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@@ -0,0 +1,1956 @@
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+(function (global, factory) {
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+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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+ typeof define === 'function' && define.amd ? define(factory) :
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+ (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Alpine = factory());
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+}(this, (function () { 'use strict';
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+
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+ function _defineProperty(obj, key, value) {
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+ if (key in obj) {
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+ Object.defineProperty(obj, key, {
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+ value: value,
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+ enumerable: true,
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+ configurable: true,
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+ writable: true
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+ });
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+ } else {
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+ obj[key] = value;
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+ }
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+
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+ return obj;
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+ }
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+
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+ function ownKeys(object, enumerableOnly) {
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+ var keys = Object.keys(object);
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+
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+ if (Object.getOwnPropertySymbols) {
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+ var symbols = Object.getOwnPropertySymbols(object);
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+ if (enumerableOnly) symbols = symbols.filter(function (sym) {
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+ return Object.getOwnPropertyDescriptor(object, sym).enumerable;
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+ });
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+ keys.push.apply(keys, symbols);
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+ }
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+
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+ return keys;
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+ }
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+
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+ function _objectSpread2(target) {
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+ for (var i = 1; i < arguments.length; i++) {
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+ var source = arguments[i] != null ? arguments[i] : {};
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+
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+ if (i % 2) {
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+ ownKeys(Object(source), true).forEach(function (key) {
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+ _defineProperty(target, key, source[key]);
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+ });
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+ } else if (Object.getOwnPropertyDescriptors) {
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+ Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
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+ } else {
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+ ownKeys(Object(source)).forEach(function (key) {
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+ Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
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+ });
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+ }
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+ }
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+
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+ return target;
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+ }
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+
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+ // Thanks @stimulus:
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+ // https://github.com/stimulusjs/stimulus/blob/master/packages/%40stimulus/core/src/application.ts
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+ function domReady() {
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+ return new Promise(resolve => {
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+ if (document.readyState == "loading") {
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+ document.addEventListener("DOMContentLoaded", resolve);
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+ } else {
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+ resolve();
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+ }
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+ });
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+ }
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+ function arrayUnique(array) {
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+ return Array.from(new Set(array));
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+ }
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+ function isTesting() {
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+ return navigator.userAgent.includes("Node.js") || navigator.userAgent.includes("jsdom");
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+ }
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+ function checkedAttrLooseCompare(valueA, valueB) {
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+ return valueA == valueB;
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+ }
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+ function warnIfMalformedTemplate(el, directive) {
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+ if (el.tagName.toLowerCase() !== 'template') {
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+ console.warn(`Alpine: [${directive}] directive should only be added to <template> tags. See https://github.com/alpinejs/alpine#${directive}`);
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+ } else if (el.content.childElementCount !== 1) {
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+ console.warn(`Alpine: <template> tag with [${directive}] encountered with an unexpected number of root elements. Make sure <template> has a single root element. `);
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+ }
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+ }
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+ function kebabCase(subject) {
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+ return subject.replace(/([a-z])([A-Z])/g, '$1-$2').replace(/[_\s]/, '-').toLowerCase();
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+ }
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+ function camelCase(subject) {
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+ return subject.toLowerCase().replace(/-(\w)/g, (match, char) => char.toUpperCase());
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+ }
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+ function walk(el, callback) {
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+ if (callback(el) === false) return;
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+ let node = el.firstElementChild;
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+
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+ while (node) {
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+ walk(node, callback);
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+ node = node.nextElementSibling;
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+ }
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+ }
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+ function debounce(func, wait) {
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+ var timeout;
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+ return function () {
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+ var context = this,
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+ args = arguments;
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+
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+ var later = function later() {
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+ timeout = null;
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+ func.apply(context, args);
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+ };
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+
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+ clearTimeout(timeout);
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+ timeout = setTimeout(later, wait);
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+ };
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+ }
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+
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+ const handleError = (el, expression, error) => {
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+ console.warn(`Alpine Error: "${error}"\n\nExpression: "${expression}"\nElement:`, el);
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+
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+ if (!isTesting()) {
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+ Object.assign(error, {
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+ el,
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+ expression
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+ });
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+ throw error;
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+ }
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+ };
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+
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+ function tryCatch(cb, {
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+ el,
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+ expression
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+ }) {
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+ try {
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+ const value = cb();
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+ return value instanceof Promise ? value.catch(e => handleError(el, expression, e)) : value;
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+ } catch (e) {
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+ handleError(el, expression, e);
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+ }
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+ }
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+
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+ function saferEval(el, expression, dataContext, additionalHelperVariables = {}) {
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+ return tryCatch(() => {
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+ if (typeof expression === 'function') {
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+ return expression.call(dataContext);
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+ }
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+
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+ return new Function(['$data', ...Object.keys(additionalHelperVariables)], `var __alpine_result; with($data) { __alpine_result = ${expression} }; return __alpine_result`)(dataContext, ...Object.values(additionalHelperVariables));
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+ }, {
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+ el,
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+ expression
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+ });
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+ }
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+ function saferEvalNoReturn(el, expression, dataContext, additionalHelperVariables = {}) {
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+ return tryCatch(() => {
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+ if (typeof expression === 'function') {
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+ return Promise.resolve(expression.call(dataContext, additionalHelperVariables['$event']));
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+ }
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+
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+ let AsyncFunction = Function;
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+ /* MODERN-ONLY:START */
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+
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+ AsyncFunction = Object.getPrototypeOf(async function () {}).constructor;
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+ /* MODERN-ONLY:END */
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+ // For the cases when users pass only a function reference to the caller: `x-on:click="foo"`
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+ // Where "foo" is a function. Also, we'll pass the function the event instance when we call it.
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+
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+ if (Object.keys(dataContext).includes(expression)) {
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+ let methodReference = new Function(['dataContext', ...Object.keys(additionalHelperVariables)], `with(dataContext) { return ${expression} }`)(dataContext, ...Object.values(additionalHelperVariables));
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+
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+ if (typeof methodReference === 'function') {
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+ return Promise.resolve(methodReference.call(dataContext, additionalHelperVariables['$event']));
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+ } else {
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+ return Promise.resolve();
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+ }
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+ }
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+
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+ return Promise.resolve(new AsyncFunction(['dataContext', ...Object.keys(additionalHelperVariables)], `with(dataContext) { ${expression} }`)(dataContext, ...Object.values(additionalHelperVariables)));
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+ }, {
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+ el,
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+ expression
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+ });
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+ }
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+ const xAttrRE = /^x-(on|bind|data|text|html|model|if|for|show|cloak|transition|ref|spread)\b/;
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+ function isXAttr(attr) {
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+ const name = replaceAtAndColonWithStandardSyntax(attr.name);
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+ return xAttrRE.test(name);
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+ }
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+ function getXAttrs(el, component, type) {
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+ let directives = Array.from(el.attributes).filter(isXAttr).map(parseHtmlAttribute); // Get an object of directives from x-spread.
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+
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+ let spreadDirective = directives.filter(directive => directive.type === 'spread')[0];
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+
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+ if (spreadDirective) {
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+ let spreadObject = saferEval(el, spreadDirective.expression, component.$data); // Add x-spread directives to the pile of existing directives.
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+
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+ directives = directives.concat(Object.entries(spreadObject).map(([name, value]) => parseHtmlAttribute({
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+ name,
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+ value
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+ })));
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+ }
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+
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+ if (type) return directives.filter(i => i.type === type);
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+ return sortDirectives(directives);
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+ }
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+
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+ function sortDirectives(directives) {
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+ let directiveOrder = ['bind', 'model', 'show', 'catch-all'];
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+ return directives.sort((a, b) => {
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+ let typeA = directiveOrder.indexOf(a.type) === -1 ? 'catch-all' : a.type;
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+ let typeB = directiveOrder.indexOf(b.type) === -1 ? 'catch-all' : b.type;
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+ return directiveOrder.indexOf(typeA) - directiveOrder.indexOf(typeB);
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+ });
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+ }
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+
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+ function parseHtmlAttribute({
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+ name,
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+ value
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+ }) {
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+ const normalizedName = replaceAtAndColonWithStandardSyntax(name);
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+ const typeMatch = normalizedName.match(xAttrRE);
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+ const valueMatch = normalizedName.match(/:([a-zA-Z0-9\-:]+)/);
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+ const modifiers = normalizedName.match(/\.[^.\]]+(?=[^\]]*$)/g) || [];
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+ return {
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+ type: typeMatch ? typeMatch[1] : null,
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+ value: valueMatch ? valueMatch[1] : null,
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+ modifiers: modifiers.map(i => i.replace('.', '')),
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+ expression: value
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+ };
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+ }
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+ function isBooleanAttr(attrName) {
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+ // As per HTML spec table https://html.spec.whatwg.org/multipage/indices.html#attributes-3:boolean-attribute
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+ // Array roughly ordered by estimated usage
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+ const booleanAttributes = ['disabled', 'checked', 'required', 'readonly', 'hidden', 'open', 'selected', 'autofocus', 'itemscope', 'multiple', 'novalidate', 'allowfullscreen', 'allowpaymentrequest', 'formnovalidate', 'autoplay', 'controls', 'loop', 'muted', 'playsinline', 'default', 'ismap', 'reversed', 'async', 'defer', 'nomodule'];
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+ return booleanAttributes.includes(attrName);
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+ }
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+ function replaceAtAndColonWithStandardSyntax(name) {
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+ if (name.startsWith('@')) {
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+ return name.replace('@', 'x-on:');
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+ } else if (name.startsWith(':')) {
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+ return name.replace(':', 'x-bind:');
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+ }
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+
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+ return name;
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+ }
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+ function convertClassStringToArray(classList, filterFn = Boolean) {
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+ return classList.split(' ').filter(filterFn);
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+ }
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+ const TRANSITION_TYPE_IN = 'in';
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+ const TRANSITION_TYPE_OUT = 'out';
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+ const TRANSITION_CANCELLED = 'cancelled';
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+ function transitionIn(el, show, reject, component, forceSkip = false) {
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+ // We don't want to transition on the initial page load.
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+ if (forceSkip) return show();
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+
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+ if (el.__x_transition && el.__x_transition.type === TRANSITION_TYPE_IN) {
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+ // there is already a similar transition going on, this was probably triggered by
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+ // a change in a different property, let's just leave the previous one doing its job
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+ return;
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+ }
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+
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+ const attrs = getXAttrs(el, component, 'transition');
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+ const showAttr = getXAttrs(el, component, 'show')[0]; // If this is triggered by a x-show.transition.
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+
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+ if (showAttr && showAttr.modifiers.includes('transition')) {
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+ let modifiers = showAttr.modifiers; // If x-show.transition.out, we'll skip the "in" transition.
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+
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+ if (modifiers.includes('out') && !modifiers.includes('in')) return show();
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+ const settingBothSidesOfTransition = modifiers.includes('in') && modifiers.includes('out'); // If x-show.transition.in...out... only use "in" related modifiers for this transition.
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+
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+ modifiers = settingBothSidesOfTransition ? modifiers.filter((i, index) => index < modifiers.indexOf('out')) : modifiers;
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+ transitionHelperIn(el, modifiers, show, reject); // Otherwise, we can assume x-transition:enter.
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+ } else if (attrs.some(attr => ['enter', 'enter-start', 'enter-end'].includes(attr.value))) {
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+ transitionClassesIn(el, component, attrs, show, reject);
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+ } else {
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+ // If neither, just show that damn thing.
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+ show();
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+ }
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+ }
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+ function transitionOut(el, hide, reject, component, forceSkip = false) {
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+ // We don't want to transition on the initial page load.
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+ if (forceSkip) return hide();
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+
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+ if (el.__x_transition && el.__x_transition.type === TRANSITION_TYPE_OUT) {
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+ // there is already a similar transition going on, this was probably triggered by
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+ // a change in a different property, let's just leave the previous one doing its job
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+ return;
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+ }
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+
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+ const attrs = getXAttrs(el, component, 'transition');
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+ const showAttr = getXAttrs(el, component, 'show')[0];
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+
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+ if (showAttr && showAttr.modifiers.includes('transition')) {
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+ let modifiers = showAttr.modifiers;
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+ if (modifiers.includes('in') && !modifiers.includes('out')) return hide();
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+ const settingBothSidesOfTransition = modifiers.includes('in') && modifiers.includes('out');
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+ modifiers = settingBothSidesOfTransition ? modifiers.filter((i, index) => index > modifiers.indexOf('out')) : modifiers;
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+ transitionHelperOut(el, modifiers, settingBothSidesOfTransition, hide, reject);
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+ } else if (attrs.some(attr => ['leave', 'leave-start', 'leave-end'].includes(attr.value))) {
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+ transitionClassesOut(el, component, attrs, hide, reject);
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+ } else {
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+ hide();
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+ }
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+ }
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+ function transitionHelperIn(el, modifiers, showCallback, reject) {
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+ // Default values inspired by: https://material.io/design/motion/speed.html#duration
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+ const styleValues = {
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+ duration: modifierValue(modifiers, 'duration', 150),
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+ origin: modifierValue(modifiers, 'origin', 'center'),
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+ first: {
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+ opacity: 0,
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+ scale: modifierValue(modifiers, 'scale', 95)
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+ },
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+ second: {
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+ opacity: 1,
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+ scale: 100
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+ }
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+ };
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+ transitionHelper(el, modifiers, showCallback, () => {}, reject, styleValues, TRANSITION_TYPE_IN);
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+ }
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+ function transitionHelperOut(el, modifiers, settingBothSidesOfTransition, hideCallback, reject) {
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+ // Make the "out" transition .5x slower than the "in". (Visually better)
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+ // HOWEVER, if they explicitly set a duration for the "out" transition,
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+ // use that.
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+ const duration = settingBothSidesOfTransition ? modifierValue(modifiers, 'duration', 150) : modifierValue(modifiers, 'duration', 150) / 2;
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+ const styleValues = {
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+ duration: duration,
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+ origin: modifierValue(modifiers, 'origin', 'center'),
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+ first: {
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+ opacity: 1,
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+ scale: 100
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+ },
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+ second: {
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+ opacity: 0,
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+ scale: modifierValue(modifiers, 'scale', 95)
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+ }
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+ };
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+ transitionHelper(el, modifiers, () => {}, hideCallback, reject, styleValues, TRANSITION_TYPE_OUT);
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+ }
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+
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+ function modifierValue(modifiers, key, fallback) {
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+ // If the modifier isn't present, use the default.
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+ if (modifiers.indexOf(key) === -1) return fallback; // If it IS present, grab the value after it: x-show.transition.duration.500ms
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+
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+ const rawValue = modifiers[modifiers.indexOf(key) + 1];
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+ if (!rawValue) return fallback;
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+
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+ if (key === 'scale') {
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+ // Check if the very next value is NOT a number and return the fallback.
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+ // If x-show.transition.scale, we'll use the default scale value.
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+ // That is how a user opts out of the opacity transition.
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+ if (!isNumeric(rawValue)) return fallback;
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+ }
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+
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+ if (key === 'duration') {
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+ // Support x-show.transition.duration.500ms && duration.500
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+ let match = rawValue.match(/([0-9]+)ms/);
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+ if (match) return match[1];
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+ }
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+
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+ if (key === 'origin') {
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+ // Support chaining origin directions: x-show.transition.top.right
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+ if (['top', 'right', 'left', 'center', 'bottom'].includes(modifiers[modifiers.indexOf(key) + 2])) {
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+ return [rawValue, modifiers[modifiers.indexOf(key) + 2]].join(' ');
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+ }
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+ }
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+
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+ return rawValue;
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+ }
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+
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+ function transitionHelper(el, modifiers, hook1, hook2, reject, styleValues, type) {
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+ // clear the previous transition if exists to avoid caching the wrong styles
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+ if (el.__x_transition) {
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+ el.__x_transition.cancel && el.__x_transition.cancel();
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+ } // If the user set these style values, we'll put them back when we're done with them.
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+
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+
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+ const opacityCache = el.style.opacity;
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+ const transformCache = el.style.transform;
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+ const transformOriginCache = el.style.transformOrigin; // If no modifiers are present: x-show.transition, we'll default to both opacity and scale.
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+
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+ const noModifiers = !modifiers.includes('opacity') && !modifiers.includes('scale');
|
|
|
+ const transitionOpacity = noModifiers || modifiers.includes('opacity');
|
|
|
+ const transitionScale = noModifiers || modifiers.includes('scale'); // These are the explicit stages of a transition (same stages for in and for out).
|
|
|
+ // This way you can get a birds eye view of the hooks, and the differences
|
|
|
+ // between them.
|
|
|
+
|
|
|
+ const stages = {
|
|
|
+ start() {
|
|
|
+ if (transitionOpacity) el.style.opacity = styleValues.first.opacity;
|
|
|
+ if (transitionScale) el.style.transform = `scale(${styleValues.first.scale / 100})`;
|
|
|
+ },
|
|
|
+
|
|
|
+ during() {
|
|
|
+ if (transitionScale) el.style.transformOrigin = styleValues.origin;
|
|
|
+ el.style.transitionProperty = [transitionOpacity ? `opacity` : ``, transitionScale ? `transform` : ``].join(' ').trim();
|
|
|
+ el.style.transitionDuration = `${styleValues.duration / 1000}s`;
|
|
|
+ el.style.transitionTimingFunction = `cubic-bezier(0.4, 0.0, 0.2, 1)`;
|
|
|
+ },
|
|
|
+
|
|
|
+ show() {
|
|
|
+ hook1();
|
|
|
+ },
|
|
|
+
|
|
|
+ end() {
|
|
|
+ if (transitionOpacity) el.style.opacity = styleValues.second.opacity;
|
|
|
+ if (transitionScale) el.style.transform = `scale(${styleValues.second.scale / 100})`;
|
|
|
+ },
|
|
|
+
|
|
|
+ hide() {
|
|
|
+ hook2();
|
|
|
+ },
|
|
|
+
|
|
|
+ cleanup() {
|
|
|
+ if (transitionOpacity) el.style.opacity = opacityCache;
|
|
|
+ if (transitionScale) el.style.transform = transformCache;
|
|
|
+ if (transitionScale) el.style.transformOrigin = transformOriginCache;
|
|
|
+ el.style.transitionProperty = null;
|
|
|
+ el.style.transitionDuration = null;
|
|
|
+ el.style.transitionTimingFunction = null;
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+ transition(el, stages, type, reject);
|
|
|
+ }
|
|
|
+
|
|
|
+ const ensureStringExpression = (expression, el, component) => {
|
|
|
+ return typeof expression === 'function' ? component.evaluateReturnExpression(el, expression) : expression;
|
|
|
+ };
|
|
|
+
|
|
|
+ function transitionClassesIn(el, component, directives, showCallback, reject) {
|
|
|
+ const enter = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'enter') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ const enterStart = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'enter-start') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ const enterEnd = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'enter-end') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ transitionClasses(el, enter, enterStart, enterEnd, showCallback, () => {}, TRANSITION_TYPE_IN, reject);
|
|
|
+ }
|
|
|
+ function transitionClassesOut(el, component, directives, hideCallback, reject) {
|
|
|
+ const leave = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'leave') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ const leaveStart = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'leave-start') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ const leaveEnd = convertClassStringToArray(ensureStringExpression((directives.find(i => i.value === 'leave-end') || {
|
|
|
+ expression: ''
|
|
|
+ }).expression, el, component));
|
|
|
+ transitionClasses(el, leave, leaveStart, leaveEnd, () => {}, hideCallback, TRANSITION_TYPE_OUT, reject);
|
|
|
+ }
|
|
|
+ function transitionClasses(el, classesDuring, classesStart, classesEnd, hook1, hook2, type, reject) {
|
|
|
+ // clear the previous transition if exists to avoid caching the wrong classes
|
|
|
+ if (el.__x_transition) {
|
|
|
+ el.__x_transition.cancel && el.__x_transition.cancel();
|
|
|
+ }
|
|
|
+
|
|
|
+ const originalClasses = el.__x_original_classes || [];
|
|
|
+ const stages = {
|
|
|
+ start() {
|
|
|
+ el.classList.add(...classesStart);
|
|
|
+ },
|
|
|
+
|
|
|
+ during() {
|
|
|
+ el.classList.add(...classesDuring);
|
|
|
+ },
|
|
|
+
|
|
|
+ show() {
|
|
|
+ hook1();
|
|
|
+ },
|
|
|
+
|
|
|
+ end() {
|
|
|
+ // Don't remove classes that were in the original class attribute.
|
|
|
+ el.classList.remove(...classesStart.filter(i => !originalClasses.includes(i)));
|
|
|
+ el.classList.add(...classesEnd);
|
|
|
+ },
|
|
|
+
|
|
|
+ hide() {
|
|
|
+ hook2();
|
|
|
+ },
|
|
|
+
|
|
|
+ cleanup() {
|
|
|
+ el.classList.remove(...classesDuring.filter(i => !originalClasses.includes(i)));
|
|
|
+ el.classList.remove(...classesEnd.filter(i => !originalClasses.includes(i)));
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+ transition(el, stages, type, reject);
|
|
|
+ }
|
|
|
+ function transition(el, stages, type, reject) {
|
|
|
+ const finish = once(() => {
|
|
|
+ stages.hide(); // Adding an "isConnected" check, in case the callback
|
|
|
+ // removed the element from the DOM.
|
|
|
+
|
|
|
+ if (el.isConnected) {
|
|
|
+ stages.cleanup();
|
|
|
+ }
|
|
|
+
|
|
|
+ delete el.__x_transition;
|
|
|
+ });
|
|
|
+ el.__x_transition = {
|
|
|
+ // Set transition type so we can avoid clearing transition if the direction is the same
|
|
|
+ type: type,
|
|
|
+ // create a callback for the last stages of the transition so we can call it
|
|
|
+ // from different point and early terminate it. Once will ensure that function
|
|
|
+ // is only called one time.
|
|
|
+ cancel: once(() => {
|
|
|
+ reject(TRANSITION_CANCELLED);
|
|
|
+ finish();
|
|
|
+ }),
|
|
|
+ finish,
|
|
|
+ // This store the next animation frame so we can cancel it
|
|
|
+ nextFrame: null
|
|
|
+ };
|
|
|
+ stages.start();
|
|
|
+ stages.during();
|
|
|
+ el.__x_transition.nextFrame = requestAnimationFrame(() => {
|
|
|
+ // Note: Safari's transitionDuration property will list out comma separated transition durations
|
|
|
+ // for every single transition property. Let's grab the first one and call it a day.
|
|
|
+ let duration = Number(getComputedStyle(el).transitionDuration.replace(/,.*/, '').replace('s', '')) * 1000;
|
|
|
+
|
|
|
+ if (duration === 0) {
|
|
|
+ duration = Number(getComputedStyle(el).animationDuration.replace('s', '')) * 1000;
|
|
|
+ }
|
|
|
+
|
|
|
+ stages.show();
|
|
|
+ el.__x_transition.nextFrame = requestAnimationFrame(() => {
|
|
|
+ stages.end();
|
|
|
+ setTimeout(el.__x_transition.finish, duration);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ }
|
|
|
+ function isNumeric(subject) {
|
|
|
+ return !Array.isArray(subject) && !isNaN(subject);
|
|
|
+ } // Thanks @vuejs
|
|
|
+ // https://github.com/vuejs/vue/blob/4de4649d9637262a9b007720b59f80ac72a5620c/src/shared/util.js
|
|
|
+
|
|
|
+ function once(callback) {
|
|
|
+ let called = false;
|
|
|
+ return function () {
|
|
|
+ if (!called) {
|
|
|
+ called = true;
|
|
|
+ callback.apply(this, arguments);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleForDirective(component, templateEl, expression, initialUpdate, extraVars) {
|
|
|
+ warnIfMalformedTemplate(templateEl, 'x-for');
|
|
|
+ let iteratorNames = typeof expression === 'function' ? parseForExpression(component.evaluateReturnExpression(templateEl, expression)) : parseForExpression(expression);
|
|
|
+ let items = evaluateItemsAndReturnEmptyIfXIfIsPresentAndFalseOnElement(component, templateEl, iteratorNames, extraVars); // As we walk the array, we'll also walk the DOM (updating/creating as we go).
|
|
|
+
|
|
|
+ let currentEl = templateEl;
|
|
|
+ items.forEach((item, index) => {
|
|
|
+ let iterationScopeVariables = getIterationScopeVariables(iteratorNames, item, index, items, extraVars());
|
|
|
+ let currentKey = generateKeyForIteration(component, templateEl, index, iterationScopeVariables);
|
|
|
+ let nextEl = lookAheadForMatchingKeyedElementAndMoveItIfFound(currentEl.nextElementSibling, currentKey); // If we haven't found a matching key, insert the element at the current position.
|
|
|
+
|
|
|
+ if (!nextEl) {
|
|
|
+ nextEl = addElementInLoopAfterCurrentEl(templateEl, currentEl); // And transition it in if it's not the first page load.
|
|
|
+
|
|
|
+ transitionIn(nextEl, () => {}, () => {}, component, initialUpdate);
|
|
|
+ nextEl.__x_for = iterationScopeVariables;
|
|
|
+ component.initializeElements(nextEl, () => nextEl.__x_for); // Otherwise update the element we found.
|
|
|
+ } else {
|
|
|
+ // Temporarily remove the key indicator to allow the normal "updateElements" to work.
|
|
|
+ delete nextEl.__x_for_key;
|
|
|
+ nextEl.__x_for = iterationScopeVariables;
|
|
|
+ component.updateElements(nextEl, () => nextEl.__x_for);
|
|
|
+ }
|
|
|
+
|
|
|
+ currentEl = nextEl;
|
|
|
+ currentEl.__x_for_key = currentKey;
|
|
|
+ });
|
|
|
+ removeAnyLeftOverElementsFromPreviousUpdate(currentEl, component);
|
|
|
+ } // This was taken from VueJS 2.* core. Thanks Vue!
|
|
|
+
|
|
|
+ function parseForExpression(expression) {
|
|
|
+ let forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
|
|
|
+ let stripParensRE = /^\(|\)$/g;
|
|
|
+ let forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
|
|
|
+ let inMatch = String(expression).match(forAliasRE);
|
|
|
+ if (!inMatch) return;
|
|
|
+ let res = {};
|
|
|
+ res.items = inMatch[2].trim();
|
|
|
+ let item = inMatch[1].trim().replace(stripParensRE, '');
|
|
|
+ let iteratorMatch = item.match(forIteratorRE);
|
|
|
+
|
|
|
+ if (iteratorMatch) {
|
|
|
+ res.item = item.replace(forIteratorRE, '').trim();
|
|
|
+ res.index = iteratorMatch[1].trim();
|
|
|
+
|
|
|
+ if (iteratorMatch[2]) {
|
|
|
+ res.collection = iteratorMatch[2].trim();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ res.item = item;
|
|
|
+ }
|
|
|
+
|
|
|
+ return res;
|
|
|
+ }
|
|
|
+
|
|
|
+ function getIterationScopeVariables(iteratorNames, item, index, items, extraVars) {
|
|
|
+ // We must create a new object, so each iteration has a new scope
|
|
|
+ let scopeVariables = extraVars ? _objectSpread2({}, extraVars) : {};
|
|
|
+ scopeVariables[iteratorNames.item] = item;
|
|
|
+ if (iteratorNames.index) scopeVariables[iteratorNames.index] = index;
|
|
|
+ if (iteratorNames.collection) scopeVariables[iteratorNames.collection] = items;
|
|
|
+ return scopeVariables;
|
|
|
+ }
|
|
|
+
|
|
|
+ function generateKeyForIteration(component, el, index, iterationScopeVariables) {
|
|
|
+ let bindKeyAttribute = getXAttrs(el, component, 'bind').filter(attr => attr.value === 'key')[0]; // If the dev hasn't specified a key, just return the index of the iteration.
|
|
|
+
|
|
|
+ if (!bindKeyAttribute) return index;
|
|
|
+ return component.evaluateReturnExpression(el, bindKeyAttribute.expression, () => iterationScopeVariables);
|
|
|
+ }
|
|
|
+
|
|
|
+ function evaluateItemsAndReturnEmptyIfXIfIsPresentAndFalseOnElement(component, el, iteratorNames, extraVars) {
|
|
|
+ let ifAttribute = getXAttrs(el, component, 'if')[0];
|
|
|
+
|
|
|
+ if (ifAttribute && !component.evaluateReturnExpression(el, ifAttribute.expression)) {
|
|
|
+ return [];
|
|
|
+ }
|
|
|
+
|
|
|
+ let items = component.evaluateReturnExpression(el, iteratorNames.items, extraVars); // This adds support for the `i in n` syntax.
|
|
|
+
|
|
|
+ if (isNumeric(items) && items >= 0) {
|
|
|
+ items = Array.from(Array(items).keys(), i => i + 1);
|
|
|
+ }
|
|
|
+
|
|
|
+ return items;
|
|
|
+ }
|
|
|
+
|
|
|
+ function addElementInLoopAfterCurrentEl(templateEl, currentEl) {
|
|
|
+ let clone = document.importNode(templateEl.content, true);
|
|
|
+ currentEl.parentElement.insertBefore(clone, currentEl.nextElementSibling);
|
|
|
+ return currentEl.nextElementSibling;
|
|
|
+ }
|
|
|
+
|
|
|
+ function lookAheadForMatchingKeyedElementAndMoveItIfFound(nextEl, currentKey) {
|
|
|
+ if (!nextEl) return; // If we are already past the x-for generated elements, we don't need to look ahead.
|
|
|
+
|
|
|
+ if (nextEl.__x_for_key === undefined) return; // If the the key's DO match, no need to look ahead.
|
|
|
+
|
|
|
+ if (nextEl.__x_for_key === currentKey) return nextEl; // If they don't, we'll look ahead for a match.
|
|
|
+ // If we find it, we'll move it to the current position in the loop.
|
|
|
+
|
|
|
+ let tmpNextEl = nextEl;
|
|
|
+
|
|
|
+ while (tmpNextEl) {
|
|
|
+ if (tmpNextEl.__x_for_key === currentKey) {
|
|
|
+ return tmpNextEl.parentElement.insertBefore(tmpNextEl, nextEl);
|
|
|
+ }
|
|
|
+
|
|
|
+ tmpNextEl = tmpNextEl.nextElementSibling && tmpNextEl.nextElementSibling.__x_for_key !== undefined ? tmpNextEl.nextElementSibling : false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function removeAnyLeftOverElementsFromPreviousUpdate(currentEl, component) {
|
|
|
+ var nextElementFromOldLoop = currentEl.nextElementSibling && currentEl.nextElementSibling.__x_for_key !== undefined ? currentEl.nextElementSibling : false;
|
|
|
+
|
|
|
+ while (nextElementFromOldLoop) {
|
|
|
+ let nextElementFromOldLoopImmutable = nextElementFromOldLoop;
|
|
|
+ let nextSibling = nextElementFromOldLoop.nextElementSibling;
|
|
|
+ transitionOut(nextElementFromOldLoop, () => {
|
|
|
+ nextElementFromOldLoopImmutable.remove();
|
|
|
+ }, () => {}, component);
|
|
|
+ nextElementFromOldLoop = nextSibling && nextSibling.__x_for_key !== undefined ? nextSibling : false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleAttributeBindingDirective(component, el, attrName, expression, extraVars, attrType, modifiers) {
|
|
|
+ var value = component.evaluateReturnExpression(el, expression, extraVars);
|
|
|
+
|
|
|
+ if (attrName === 'value') {
|
|
|
+ if (Alpine.ignoreFocusedForValueBinding && document.activeElement.isSameNode(el)) return; // If nested model key is undefined, set the default value to empty string.
|
|
|
+
|
|
|
+ if (value === undefined && String(expression).match(/\./)) {
|
|
|
+ value = '';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (el.type === 'radio') {
|
|
|
+ // Set radio value from x-bind:value, if no "value" attribute exists.
|
|
|
+ // If there are any initial state values, radio will have a correct
|
|
|
+ // "checked" value since x-bind:value is processed before x-model.
|
|
|
+ if (el.attributes.value === undefined && attrType === 'bind') {
|
|
|
+ el.value = value;
|
|
|
+ } else if (attrType !== 'bind') {
|
|
|
+ el.checked = checkedAttrLooseCompare(el.value, value);
|
|
|
+ }
|
|
|
+ } else if (el.type === 'checkbox') {
|
|
|
+ // If we are explicitly binding a string to the :value, set the string,
|
|
|
+ // If the value is a boolean, leave it alone, it will be set to "on"
|
|
|
+ // automatically.
|
|
|
+ if (typeof value !== 'boolean' && ![null, undefined].includes(value) && attrType === 'bind') {
|
|
|
+ el.value = String(value);
|
|
|
+ } else if (attrType !== 'bind') {
|
|
|
+ if (Array.isArray(value)) {
|
|
|
+ // I'm purposely not using Array.includes here because it's
|
|
|
+ // strict, and because of Numeric/String mis-casting, I
|
|
|
+ // want the "includes" to be "fuzzy".
|
|
|
+ el.checked = value.some(val => checkedAttrLooseCompare(val, el.value));
|
|
|
+ } else {
|
|
|
+ el.checked = !!value;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (el.tagName === 'SELECT') {
|
|
|
+ updateSelect(el, value);
|
|
|
+ } else {
|
|
|
+ if (el.value === value) return;
|
|
|
+ el.value = value;
|
|
|
+ }
|
|
|
+ } else if (attrName === 'class') {
|
|
|
+ if (Array.isArray(value)) {
|
|
|
+ const originalClasses = el.__x_original_classes || [];
|
|
|
+ el.setAttribute('class', arrayUnique(originalClasses.concat(value)).join(' '));
|
|
|
+ } else if (typeof value === 'object') {
|
|
|
+ // Sorting the keys / class names by their boolean value will ensure that
|
|
|
+ // anything that evaluates to `false` and needs to remove classes is run first.
|
|
|
+ const keysSortedByBooleanValue = Object.keys(value).sort((a, b) => value[a] - value[b]);
|
|
|
+ keysSortedByBooleanValue.forEach(classNames => {
|
|
|
+ if (value[classNames]) {
|
|
|
+ convertClassStringToArray(classNames).forEach(className => el.classList.add(className));
|
|
|
+ } else {
|
|
|
+ convertClassStringToArray(classNames).forEach(className => el.classList.remove(className));
|
|
|
+ }
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ const originalClasses = el.__x_original_classes || [];
|
|
|
+ const newClasses = value ? convertClassStringToArray(value) : [];
|
|
|
+ el.setAttribute('class', arrayUnique(originalClasses.concat(newClasses)).join(' '));
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ attrName = modifiers.includes('camel') ? camelCase(attrName) : attrName; // If an attribute's bound value is null, undefined or false, remove the attribute
|
|
|
+
|
|
|
+ if ([null, undefined, false].includes(value)) {
|
|
|
+ el.removeAttribute(attrName);
|
|
|
+ } else {
|
|
|
+ isBooleanAttr(attrName) ? setIfChanged(el, attrName, attrName) : setIfChanged(el, attrName, value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function setIfChanged(el, attrName, value) {
|
|
|
+ if (el.getAttribute(attrName) != value) {
|
|
|
+ el.setAttribute(attrName, value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function updateSelect(el, value) {
|
|
|
+ const arrayWrappedValue = [].concat(value).map(value => {
|
|
|
+ return value + '';
|
|
|
+ });
|
|
|
+ Array.from(el.options).forEach(option => {
|
|
|
+ option.selected = arrayWrappedValue.includes(option.value);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleTextDirective(el, output, expression) {
|
|
|
+ // If nested model key is undefined, set the default value to empty string.
|
|
|
+ if (output === undefined && String(expression).match(/\./)) {
|
|
|
+ output = '';
|
|
|
+ }
|
|
|
+
|
|
|
+ el.textContent = output;
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleHtmlDirective(component, el, expression, extraVars) {
|
|
|
+ el.innerHTML = component.evaluateReturnExpression(el, expression, extraVars);
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleShowDirective(component, el, value, modifiers, initialUpdate = false) {
|
|
|
+ const hide = () => {
|
|
|
+ el.style.display = 'none';
|
|
|
+ el.__x_is_shown = false;
|
|
|
+ };
|
|
|
+
|
|
|
+ const show = () => {
|
|
|
+ if (el.style.length === 1 && el.style.display === 'none') {
|
|
|
+ el.removeAttribute('style');
|
|
|
+ } else {
|
|
|
+ el.style.removeProperty('display');
|
|
|
+ }
|
|
|
+
|
|
|
+ el.__x_is_shown = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ if (initialUpdate === true) {
|
|
|
+ if (value) {
|
|
|
+ show();
|
|
|
+ } else {
|
|
|
+ hide();
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ const handle = (resolve, reject) => {
|
|
|
+ if (value) {
|
|
|
+ if (el.style.display === 'none' || el.__x_transition) {
|
|
|
+ transitionIn(el, () => {
|
|
|
+ show();
|
|
|
+ }, reject, component);
|
|
|
+ }
|
|
|
+
|
|
|
+ resolve(() => {});
|
|
|
+ } else {
|
|
|
+ if (el.style.display !== 'none') {
|
|
|
+ transitionOut(el, () => {
|
|
|
+ resolve(() => {
|
|
|
+ hide();
|
|
|
+ });
|
|
|
+ }, reject, component);
|
|
|
+ } else {
|
|
|
+ resolve(() => {});
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }; // The working of x-show is a bit complex because we need to
|
|
|
+ // wait for any child transitions to finish before hiding
|
|
|
+ // some element. Also, this has to be done recursively.
|
|
|
+ // If x-show.immediate, foregoe the waiting.
|
|
|
+
|
|
|
+
|
|
|
+ if (modifiers.includes('immediate')) {
|
|
|
+ handle(finish => finish(), () => {});
|
|
|
+ return;
|
|
|
+ } // x-show is encountered during a DOM tree walk. If an element
|
|
|
+ // we encounter is NOT a child of another x-show element we
|
|
|
+ // can execute the previous x-show stack (if one exists).
|
|
|
+
|
|
|
+
|
|
|
+ if (component.showDirectiveLastElement && !component.showDirectiveLastElement.contains(el)) {
|
|
|
+ component.executeAndClearRemainingShowDirectiveStack();
|
|
|
+ }
|
|
|
+
|
|
|
+ component.showDirectiveStack.push(handle);
|
|
|
+ component.showDirectiveLastElement = el;
|
|
|
+ }
|
|
|
+
|
|
|
+ function handleIfDirective(component, el, expressionResult, initialUpdate, extraVars) {
|
|
|
+ warnIfMalformedTemplate(el, 'x-if');
|
|
|
+ const elementHasAlreadyBeenAdded = el.nextElementSibling && el.nextElementSibling.__x_inserted_me === true;
|
|
|
+
|
|
|
+ if (expressionResult && (!elementHasAlreadyBeenAdded || el.__x_transition)) {
|
|
|
+ const clone = document.importNode(el.content, true);
|
|
|
+ el.parentElement.insertBefore(clone, el.nextElementSibling);
|
|
|
+ transitionIn(el.nextElementSibling, () => {}, () => {}, component, initialUpdate);
|
|
|
+ component.initializeElements(el.nextElementSibling, extraVars);
|
|
|
+ el.nextElementSibling.__x_inserted_me = true;
|
|
|
+ } else if (!expressionResult && elementHasAlreadyBeenAdded) {
|
|
|
+ transitionOut(el.nextElementSibling, () => {
|
|
|
+ el.nextElementSibling.remove();
|
|
|
+ }, () => {}, component, initialUpdate);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function registerListener(component, el, event, modifiers, expression, extraVars = {}) {
|
|
|
+ const options = {
|
|
|
+ passive: modifiers.includes('passive')
|
|
|
+ };
|
|
|
+
|
|
|
+ if (modifiers.includes('camel')) {
|
|
|
+ event = camelCase(event);
|
|
|
+ }
|
|
|
+
|
|
|
+ const node_add_count = el.__x_node_add_count;
|
|
|
+ let handler, listenerTarget;
|
|
|
+
|
|
|
+ if (modifiers.includes('away')) {
|
|
|
+ listenerTarget = document;
|
|
|
+
|
|
|
+ handler = e => {
|
|
|
+ // Don't do anything if the click came from the element or within it.
|
|
|
+ if (el.contains(e.target)) return; // Don't do anything if this element isn't currently visible.
|
|
|
+
|
|
|
+ if (el.offsetWidth < 1 && el.offsetHeight < 1) return; // Now that we are sure the element is visible, AND the click
|
|
|
+ // is from outside it, let's run the expression.
|
|
|
+
|
|
|
+ runListenerHandler(component, expression, e, extraVars);
|
|
|
+
|
|
|
+ if (modifiers.includes('once')) {
|
|
|
+ document.removeEventListener(event, handler, options);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ } else {
|
|
|
+ listenerTarget = modifiers.includes('window') ? window : modifiers.includes('document') ? document : el;
|
|
|
+
|
|
|
+ handler = e => {
|
|
|
+ // Remove this global event handler if the element that declared it
|
|
|
+ // has been removed. It's now stale.
|
|
|
+ if (listenerTarget === window || listenerTarget === document) {
|
|
|
+ if (!document.body.contains(el)) {
|
|
|
+ listenerTarget.removeEventListener(event, handler, options);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (el.__x_node_add_count !== node_add_count) {
|
|
|
+ listenerTarget.removeEventListener(event, handler, options);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isKeyEvent(event)) {
|
|
|
+ if (isListeningForASpecificKeyThatHasntBeenPressed(e, modifiers)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (modifiers.includes('prevent')) e.preventDefault();
|
|
|
+ if (modifiers.includes('stop')) e.stopPropagation(); // If the .self modifier isn't present, or if it is present and
|
|
|
+ // the target element matches the element we are registering the
|
|
|
+ // event on, run the handler
|
|
|
+
|
|
|
+ if (!modifiers.includes('self') || e.target === el) {
|
|
|
+ const returnValue = runListenerHandler(component, expression, e, extraVars);
|
|
|
+ returnValue.then(value => {
|
|
|
+ if (value === false) {
|
|
|
+ e.preventDefault();
|
|
|
+ } else {
|
|
|
+ if (modifiers.includes('once')) {
|
|
|
+ listenerTarget.removeEventListener(event, handler, options);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ if (modifiers.includes('debounce')) {
|
|
|
+ let nextModifier = modifiers[modifiers.indexOf('debounce') + 1] || 'invalid-wait';
|
|
|
+ let wait = isNumeric(nextModifier.split('ms')[0]) ? Number(nextModifier.split('ms')[0]) : 250;
|
|
|
+ handler = debounce(handler, wait);
|
|
|
+ }
|
|
|
+
|
|
|
+ listenerTarget.addEventListener(event, handler, options);
|
|
|
+ }
|
|
|
+
|
|
|
+ function runListenerHandler(component, expression, e, extraVars) {
|
|
|
+ return component.evaluateCommandExpression(e.target, expression, () => {
|
|
|
+ return _objectSpread2(_objectSpread2({}, extraVars()), {}, {
|
|
|
+ '$event': e
|
|
|
+ });
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ function isKeyEvent(event) {
|
|
|
+ return ['keydown', 'keyup'].includes(event);
|
|
|
+ }
|
|
|
+
|
|
|
+ function isListeningForASpecificKeyThatHasntBeenPressed(e, modifiers) {
|
|
|
+ let keyModifiers = modifiers.filter(i => {
|
|
|
+ return !['window', 'document', 'prevent', 'stop'].includes(i);
|
|
|
+ });
|
|
|
+
|
|
|
+ if (keyModifiers.includes('debounce')) {
|
|
|
+ let debounceIndex = keyModifiers.indexOf('debounce');
|
|
|
+ keyModifiers.splice(debounceIndex, isNumeric((keyModifiers[debounceIndex + 1] || 'invalid-wait').split('ms')[0]) ? 2 : 1);
|
|
|
+ } // If no modifier is specified, we'll call it a press.
|
|
|
+
|
|
|
+
|
|
|
+ if (keyModifiers.length === 0) return false; // If one is passed, AND it matches the key pressed, we'll call it a press.
|
|
|
+
|
|
|
+ if (keyModifiers.length === 1 && keyModifiers[0] === keyToModifier(e.key)) return false; // The user is listening for key combinations.
|
|
|
+
|
|
|
+ const systemKeyModifiers = ['ctrl', 'shift', 'alt', 'meta', 'cmd', 'super'];
|
|
|
+ const selectedSystemKeyModifiers = systemKeyModifiers.filter(modifier => keyModifiers.includes(modifier));
|
|
|
+ keyModifiers = keyModifiers.filter(i => !selectedSystemKeyModifiers.includes(i));
|
|
|
+
|
|
|
+ if (selectedSystemKeyModifiers.length > 0) {
|
|
|
+ const activelyPressedKeyModifiers = selectedSystemKeyModifiers.filter(modifier => {
|
|
|
+ // Alias "cmd" and "super" to "meta"
|
|
|
+ if (modifier === 'cmd' || modifier === 'super') modifier = 'meta';
|
|
|
+ return e[`${modifier}Key`];
|
|
|
+ }); // If all the modifiers selected are pressed, ...
|
|
|
+
|
|
|
+ if (activelyPressedKeyModifiers.length === selectedSystemKeyModifiers.length) {
|
|
|
+ // AND the remaining key is pressed as well. It's a press.
|
|
|
+ if (keyModifiers[0] === keyToModifier(e.key)) return false;
|
|
|
+ }
|
|
|
+ } // We'll call it NOT a valid keypress.
|
|
|
+
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ function keyToModifier(key) {
|
|
|
+ switch (key) {
|
|
|
+ case '/':
|
|
|
+ return 'slash';
|
|
|
+
|
|
|
+ case ' ':
|
|
|
+ case 'Spacebar':
|
|
|
+ return 'space';
|
|
|
+
|
|
|
+ default:
|
|
|
+ return key && kebabCase(key);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function registerModelListener(component, el, modifiers, expression, extraVars) {
|
|
|
+ // If the element we are binding to is a select, a radio, or checkbox
|
|
|
+ // we'll listen for the change event instead of the "input" event.
|
|
|
+ var event = el.tagName.toLowerCase() === 'select' || ['checkbox', 'radio'].includes(el.type) || modifiers.includes('lazy') ? 'change' : 'input';
|
|
|
+ const listenerExpression = `${expression} = rightSideOfExpression($event, ${expression})`;
|
|
|
+ registerListener(component, el, event, modifiers, listenerExpression, () => {
|
|
|
+ return _objectSpread2(_objectSpread2({}, extraVars()), {}, {
|
|
|
+ rightSideOfExpression: generateModelAssignmentFunction(el, modifiers, expression)
|
|
|
+ });
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ function generateModelAssignmentFunction(el, modifiers, expression) {
|
|
|
+ if (el.type === 'radio') {
|
|
|
+ // Radio buttons only work properly when they share a name attribute.
|
|
|
+ // People might assume we take care of that for them, because
|
|
|
+ // they already set a shared "x-model" attribute.
|
|
|
+ if (!el.hasAttribute('name')) el.setAttribute('name', expression);
|
|
|
+ }
|
|
|
+
|
|
|
+ return (event, currentValue) => {
|
|
|
+ // Check for event.detail due to an issue where IE11 handles other events as a CustomEvent.
|
|
|
+ if (event instanceof CustomEvent && event.detail) {
|
|
|
+ return event.detail;
|
|
|
+ } else if (el.type === 'checkbox') {
|
|
|
+ // If the data we are binding to is an array, toggle its value inside the array.
|
|
|
+ if (Array.isArray(currentValue)) {
|
|
|
+ const newValue = modifiers.includes('number') ? safeParseNumber(event.target.value) : event.target.value;
|
|
|
+ return event.target.checked ? currentValue.concat([newValue]) : currentValue.filter(el => !checkedAttrLooseCompare(el, newValue));
|
|
|
+ } else {
|
|
|
+ return event.target.checked;
|
|
|
+ }
|
|
|
+ } else if (el.tagName.toLowerCase() === 'select' && el.multiple) {
|
|
|
+ return modifiers.includes('number') ? Array.from(event.target.selectedOptions).map(option => {
|
|
|
+ const rawValue = option.value || option.text;
|
|
|
+ return safeParseNumber(rawValue);
|
|
|
+ }) : Array.from(event.target.selectedOptions).map(option => {
|
|
|
+ return option.value || option.text;
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ const rawValue = event.target.value;
|
|
|
+ return modifiers.includes('number') ? safeParseNumber(rawValue) : modifiers.includes('trim') ? rawValue.trim() : rawValue;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ function safeParseNumber(rawValue) {
|
|
|
+ const number = rawValue ? parseFloat(rawValue) : null;
|
|
|
+ return isNumeric(number) ? number : rawValue;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Copyright (C) 2017 salesforce.com, inc.
|
|
|
+ */
|
|
|
+ const { isArray } = Array;
|
|
|
+ const { getPrototypeOf, create: ObjectCreate, defineProperty: ObjectDefineProperty, defineProperties: ObjectDefineProperties, isExtensible, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, preventExtensions, hasOwnProperty, } = Object;
|
|
|
+ const { push: ArrayPush, concat: ArrayConcat, map: ArrayMap, } = Array.prototype;
|
|
|
+ function isUndefined(obj) {
|
|
|
+ return obj === undefined;
|
|
|
+ }
|
|
|
+ function isFunction(obj) {
|
|
|
+ return typeof obj === 'function';
|
|
|
+ }
|
|
|
+ function isObject(obj) {
|
|
|
+ return typeof obj === 'object';
|
|
|
+ }
|
|
|
+ const proxyToValueMap = new WeakMap();
|
|
|
+ function registerProxy(proxy, value) {
|
|
|
+ proxyToValueMap.set(proxy, value);
|
|
|
+ }
|
|
|
+ const unwrap$1 = (replicaOrAny) => proxyToValueMap.get(replicaOrAny) || replicaOrAny;
|
|
|
+
|
|
|
+ function wrapValue(membrane, value) {
|
|
|
+ return membrane.valueIsObservable(value) ? membrane.getProxy(value) : value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Unwrap property descriptors will set value on original descriptor
|
|
|
+ * We only need to unwrap if value is specified
|
|
|
+ * @param descriptor external descrpitor provided to define new property on original value
|
|
|
+ */
|
|
|
+ function unwrapDescriptor(descriptor) {
|
|
|
+ if (hasOwnProperty.call(descriptor, 'value')) {
|
|
|
+ descriptor.value = unwrap$1(descriptor.value);
|
|
|
+ }
|
|
|
+ return descriptor;
|
|
|
+ }
|
|
|
+ function lockShadowTarget(membrane, shadowTarget, originalTarget) {
|
|
|
+ const targetKeys = ArrayConcat.call(getOwnPropertyNames(originalTarget), getOwnPropertySymbols(originalTarget));
|
|
|
+ targetKeys.forEach((key) => {
|
|
|
+ let descriptor = getOwnPropertyDescriptor(originalTarget, key);
|
|
|
+ // We do not need to wrap the descriptor if configurable
|
|
|
+ // Because we can deal with wrapping it when user goes through
|
|
|
+ // Get own property descriptor. There is also a chance that this descriptor
|
|
|
+ // could change sometime in the future, so we can defer wrapping
|
|
|
+ // until we need to
|
|
|
+ if (!descriptor.configurable) {
|
|
|
+ descriptor = wrapDescriptor(membrane, descriptor, wrapValue);
|
|
|
+ }
|
|
|
+ ObjectDefineProperty(shadowTarget, key, descriptor);
|
|
|
+ });
|
|
|
+ preventExtensions(shadowTarget);
|
|
|
+ }
|
|
|
+ class ReactiveProxyHandler {
|
|
|
+ constructor(membrane, value) {
|
|
|
+ this.originalTarget = value;
|
|
|
+ this.membrane = membrane;
|
|
|
+ }
|
|
|
+ get(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ const value = originalTarget[key];
|
|
|
+ const { valueObserved } = membrane;
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ return membrane.getProxy(value);
|
|
|
+ }
|
|
|
+ set(shadowTarget, key, value) {
|
|
|
+ const { originalTarget, membrane: { valueMutated } } = this;
|
|
|
+ const oldValue = originalTarget[key];
|
|
|
+ if (oldValue !== value) {
|
|
|
+ originalTarget[key] = value;
|
|
|
+ valueMutated(originalTarget, key);
|
|
|
+ }
|
|
|
+ else if (key === 'length' && isArray(originalTarget)) {
|
|
|
+ // fix for issue #236: push will add the new index, and by the time length
|
|
|
+ // is updated, the internal length is already equal to the new length value
|
|
|
+ // therefore, the oldValue is equal to the value. This is the forking logic
|
|
|
+ // to support this use case.
|
|
|
+ valueMutated(originalTarget, key);
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ deleteProperty(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane: { valueMutated } } = this;
|
|
|
+ delete originalTarget[key];
|
|
|
+ valueMutated(originalTarget, key);
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ apply(shadowTarget, thisArg, argArray) {
|
|
|
+ /* No op */
|
|
|
+ }
|
|
|
+ construct(target, argArray, newTarget) {
|
|
|
+ /* No op */
|
|
|
+ }
|
|
|
+ has(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane: { valueObserved } } = this;
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ return key in originalTarget;
|
|
|
+ }
|
|
|
+ ownKeys(shadowTarget) {
|
|
|
+ const { originalTarget } = this;
|
|
|
+ return ArrayConcat.call(getOwnPropertyNames(originalTarget), getOwnPropertySymbols(originalTarget));
|
|
|
+ }
|
|
|
+ isExtensible(shadowTarget) {
|
|
|
+ const shadowIsExtensible = isExtensible(shadowTarget);
|
|
|
+ if (!shadowIsExtensible) {
|
|
|
+ return shadowIsExtensible;
|
|
|
+ }
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ const targetIsExtensible = isExtensible(originalTarget);
|
|
|
+ if (!targetIsExtensible) {
|
|
|
+ lockShadowTarget(membrane, shadowTarget, originalTarget);
|
|
|
+ }
|
|
|
+ return targetIsExtensible;
|
|
|
+ }
|
|
|
+ setPrototypeOf(shadowTarget, prototype) {
|
|
|
+ }
|
|
|
+ getPrototypeOf(shadowTarget) {
|
|
|
+ const { originalTarget } = this;
|
|
|
+ return getPrototypeOf(originalTarget);
|
|
|
+ }
|
|
|
+ getOwnPropertyDescriptor(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ const { valueObserved } = this.membrane;
|
|
|
+ // keys looked up via hasOwnProperty need to be reactive
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ let desc = getOwnPropertyDescriptor(originalTarget, key);
|
|
|
+ if (isUndefined(desc)) {
|
|
|
+ return desc;
|
|
|
+ }
|
|
|
+ const shadowDescriptor = getOwnPropertyDescriptor(shadowTarget, key);
|
|
|
+ if (!isUndefined(shadowDescriptor)) {
|
|
|
+ return shadowDescriptor;
|
|
|
+ }
|
|
|
+ // Note: by accessing the descriptor, the key is marked as observed
|
|
|
+ // but access to the value, setter or getter (if available) cannot observe
|
|
|
+ // mutations, just like regular methods, in which case we just do nothing.
|
|
|
+ desc = wrapDescriptor(membrane, desc, wrapValue);
|
|
|
+ if (!desc.configurable) {
|
|
|
+ // If descriptor from original target is not configurable,
|
|
|
+ // We must copy the wrapped descriptor over to the shadow target.
|
|
|
+ // Otherwise, proxy will throw an invariant error.
|
|
|
+ // This is our last chance to lock the value.
|
|
|
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/getOwnPropertyDescriptor#Invariants
|
|
|
+ ObjectDefineProperty(shadowTarget, key, desc);
|
|
|
+ }
|
|
|
+ return desc;
|
|
|
+ }
|
|
|
+ preventExtensions(shadowTarget) {
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ lockShadowTarget(membrane, shadowTarget, originalTarget);
|
|
|
+ preventExtensions(originalTarget);
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ defineProperty(shadowTarget, key, descriptor) {
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ const { valueMutated } = membrane;
|
|
|
+ const { configurable } = descriptor;
|
|
|
+ // We have to check for value in descriptor
|
|
|
+ // because Object.freeze(proxy) calls this method
|
|
|
+ // with only { configurable: false, writeable: false }
|
|
|
+ // Additionally, method will only be called with writeable:false
|
|
|
+ // if the descriptor has a value, as opposed to getter/setter
|
|
|
+ // So we can just check if writable is present and then see if
|
|
|
+ // value is present. This eliminates getter and setter descriptors
|
|
|
+ if (hasOwnProperty.call(descriptor, 'writable') && !hasOwnProperty.call(descriptor, 'value')) {
|
|
|
+ const originalDescriptor = getOwnPropertyDescriptor(originalTarget, key);
|
|
|
+ descriptor.value = originalDescriptor.value;
|
|
|
+ }
|
|
|
+ ObjectDefineProperty(originalTarget, key, unwrapDescriptor(descriptor));
|
|
|
+ if (configurable === false) {
|
|
|
+ ObjectDefineProperty(shadowTarget, key, wrapDescriptor(membrane, descriptor, wrapValue));
|
|
|
+ }
|
|
|
+ valueMutated(originalTarget, key);
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function wrapReadOnlyValue(membrane, value) {
|
|
|
+ return membrane.valueIsObservable(value) ? membrane.getReadOnlyProxy(value) : value;
|
|
|
+ }
|
|
|
+ class ReadOnlyHandler {
|
|
|
+ constructor(membrane, value) {
|
|
|
+ this.originalTarget = value;
|
|
|
+ this.membrane = membrane;
|
|
|
+ }
|
|
|
+ get(shadowTarget, key) {
|
|
|
+ const { membrane, originalTarget } = this;
|
|
|
+ const value = originalTarget[key];
|
|
|
+ const { valueObserved } = membrane;
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ return membrane.getReadOnlyProxy(value);
|
|
|
+ }
|
|
|
+ set(shadowTarget, key, value) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ deleteProperty(shadowTarget, key) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ apply(shadowTarget, thisArg, argArray) {
|
|
|
+ /* No op */
|
|
|
+ }
|
|
|
+ construct(target, argArray, newTarget) {
|
|
|
+ /* No op */
|
|
|
+ }
|
|
|
+ has(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane: { valueObserved } } = this;
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ return key in originalTarget;
|
|
|
+ }
|
|
|
+ ownKeys(shadowTarget) {
|
|
|
+ const { originalTarget } = this;
|
|
|
+ return ArrayConcat.call(getOwnPropertyNames(originalTarget), getOwnPropertySymbols(originalTarget));
|
|
|
+ }
|
|
|
+ setPrototypeOf(shadowTarget, prototype) {
|
|
|
+ }
|
|
|
+ getOwnPropertyDescriptor(shadowTarget, key) {
|
|
|
+ const { originalTarget, membrane } = this;
|
|
|
+ const { valueObserved } = membrane;
|
|
|
+ // keys looked up via hasOwnProperty need to be reactive
|
|
|
+ valueObserved(originalTarget, key);
|
|
|
+ let desc = getOwnPropertyDescriptor(originalTarget, key);
|
|
|
+ if (isUndefined(desc)) {
|
|
|
+ return desc;
|
|
|
+ }
|
|
|
+ const shadowDescriptor = getOwnPropertyDescriptor(shadowTarget, key);
|
|
|
+ if (!isUndefined(shadowDescriptor)) {
|
|
|
+ return shadowDescriptor;
|
|
|
+ }
|
|
|
+ // Note: by accessing the descriptor, the key is marked as observed
|
|
|
+ // but access to the value or getter (if available) cannot be observed,
|
|
|
+ // just like regular methods, in which case we just do nothing.
|
|
|
+ desc = wrapDescriptor(membrane, desc, wrapReadOnlyValue);
|
|
|
+ if (hasOwnProperty.call(desc, 'set')) {
|
|
|
+ desc.set = undefined; // readOnly membrane does not allow setters
|
|
|
+ }
|
|
|
+ if (!desc.configurable) {
|
|
|
+ // If descriptor from original target is not configurable,
|
|
|
+ // We must copy the wrapped descriptor over to the shadow target.
|
|
|
+ // Otherwise, proxy will throw an invariant error.
|
|
|
+ // This is our last chance to lock the value.
|
|
|
+ // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/getOwnPropertyDescriptor#Invariants
|
|
|
+ ObjectDefineProperty(shadowTarget, key, desc);
|
|
|
+ }
|
|
|
+ return desc;
|
|
|
+ }
|
|
|
+ preventExtensions(shadowTarget) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ defineProperty(shadowTarget, key, descriptor) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ function createShadowTarget(value) {
|
|
|
+ let shadowTarget = undefined;
|
|
|
+ if (isArray(value)) {
|
|
|
+ shadowTarget = [];
|
|
|
+ }
|
|
|
+ else if (isObject(value)) {
|
|
|
+ shadowTarget = {};
|
|
|
+ }
|
|
|
+ return shadowTarget;
|
|
|
+ }
|
|
|
+ const ObjectDotPrototype = Object.prototype;
|
|
|
+ function defaultValueIsObservable(value) {
|
|
|
+ // intentionally checking for null
|
|
|
+ if (value === null) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ // treat all non-object types, including undefined, as non-observable values
|
|
|
+ if (typeof value !== 'object') {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ if (isArray(value)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ const proto = getPrototypeOf(value);
|
|
|
+ return (proto === ObjectDotPrototype || proto === null || getPrototypeOf(proto) === null);
|
|
|
+ }
|
|
|
+ const defaultValueObserved = (obj, key) => {
|
|
|
+ /* do nothing */
|
|
|
+ };
|
|
|
+ const defaultValueMutated = (obj, key) => {
|
|
|
+ /* do nothing */
|
|
|
+ };
|
|
|
+ const defaultValueDistortion = (value) => value;
|
|
|
+ function wrapDescriptor(membrane, descriptor, getValue) {
|
|
|
+ const { set, get } = descriptor;
|
|
|
+ if (hasOwnProperty.call(descriptor, 'value')) {
|
|
|
+ descriptor.value = getValue(membrane, descriptor.value);
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ if (!isUndefined(get)) {
|
|
|
+ descriptor.get = function () {
|
|
|
+ // invoking the original getter with the original target
|
|
|
+ return getValue(membrane, get.call(unwrap$1(this)));
|
|
|
+ };
|
|
|
+ }
|
|
|
+ if (!isUndefined(set)) {
|
|
|
+ descriptor.set = function (value) {
|
|
|
+ // At this point we don't have a clear indication of whether
|
|
|
+ // or not a valid mutation will occur, we don't have the key,
|
|
|
+ // and we are not sure why and how they are invoking this setter.
|
|
|
+ // Nevertheless we preserve the original semantics by invoking the
|
|
|
+ // original setter with the original target and the unwrapped value
|
|
|
+ set.call(unwrap$1(this), membrane.unwrapProxy(value));
|
|
|
+ };
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return descriptor;
|
|
|
+ }
|
|
|
+ class ReactiveMembrane {
|
|
|
+ constructor(options) {
|
|
|
+ this.valueDistortion = defaultValueDistortion;
|
|
|
+ this.valueMutated = defaultValueMutated;
|
|
|
+ this.valueObserved = defaultValueObserved;
|
|
|
+ this.valueIsObservable = defaultValueIsObservable;
|
|
|
+ this.objectGraph = new WeakMap();
|
|
|
+ if (!isUndefined(options)) {
|
|
|
+ const { valueDistortion, valueMutated, valueObserved, valueIsObservable } = options;
|
|
|
+ this.valueDistortion = isFunction(valueDistortion) ? valueDistortion : defaultValueDistortion;
|
|
|
+ this.valueMutated = isFunction(valueMutated) ? valueMutated : defaultValueMutated;
|
|
|
+ this.valueObserved = isFunction(valueObserved) ? valueObserved : defaultValueObserved;
|
|
|
+ this.valueIsObservable = isFunction(valueIsObservable) ? valueIsObservable : defaultValueIsObservable;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ getProxy(value) {
|
|
|
+ const unwrappedValue = unwrap$1(value);
|
|
|
+ const distorted = this.valueDistortion(unwrappedValue);
|
|
|
+ if (this.valueIsObservable(distorted)) {
|
|
|
+ const o = this.getReactiveState(unwrappedValue, distorted);
|
|
|
+ // when trying to extract the writable version of a readonly
|
|
|
+ // we return the readonly.
|
|
|
+ return o.readOnly === value ? value : o.reactive;
|
|
|
+ }
|
|
|
+ return distorted;
|
|
|
+ }
|
|
|
+ getReadOnlyProxy(value) {
|
|
|
+ value = unwrap$1(value);
|
|
|
+ const distorted = this.valueDistortion(value);
|
|
|
+ if (this.valueIsObservable(distorted)) {
|
|
|
+ return this.getReactiveState(value, distorted).readOnly;
|
|
|
+ }
|
|
|
+ return distorted;
|
|
|
+ }
|
|
|
+ unwrapProxy(p) {
|
|
|
+ return unwrap$1(p);
|
|
|
+ }
|
|
|
+ getReactiveState(value, distortedValue) {
|
|
|
+ const { objectGraph, } = this;
|
|
|
+ let reactiveState = objectGraph.get(distortedValue);
|
|
|
+ if (reactiveState) {
|
|
|
+ return reactiveState;
|
|
|
+ }
|
|
|
+ const membrane = this;
|
|
|
+ reactiveState = {
|
|
|
+ get reactive() {
|
|
|
+ const reactiveHandler = new ReactiveProxyHandler(membrane, distortedValue);
|
|
|
+ // caching the reactive proxy after the first time it is accessed
|
|
|
+ const proxy = new Proxy(createShadowTarget(distortedValue), reactiveHandler);
|
|
|
+ registerProxy(proxy, value);
|
|
|
+ ObjectDefineProperty(this, 'reactive', { value: proxy });
|
|
|
+ return proxy;
|
|
|
+ },
|
|
|
+ get readOnly() {
|
|
|
+ const readOnlyHandler = new ReadOnlyHandler(membrane, distortedValue);
|
|
|
+ // caching the readOnly proxy after the first time it is accessed
|
|
|
+ const proxy = new Proxy(createShadowTarget(distortedValue), readOnlyHandler);
|
|
|
+ registerProxy(proxy, value);
|
|
|
+ ObjectDefineProperty(this, 'readOnly', { value: proxy });
|
|
|
+ return proxy;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ objectGraph.set(distortedValue, reactiveState);
|
|
|
+ return reactiveState;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /** version: 0.26.0 */
|
|
|
+
|
|
|
+ function wrap(data, mutationCallback) {
|
|
|
+
|
|
|
+ let membrane = new ReactiveMembrane({
|
|
|
+ valueMutated(target, key) {
|
|
|
+ mutationCallback(target, key);
|
|
|
+ }
|
|
|
+
|
|
|
+ });
|
|
|
+ return {
|
|
|
+ data: membrane.getProxy(data),
|
|
|
+ membrane: membrane
|
|
|
+ };
|
|
|
+ }
|
|
|
+ function unwrap(membrane, observable) {
|
|
|
+ let unwrappedData = membrane.unwrapProxy(observable);
|
|
|
+ let copy = {};
|
|
|
+ Object.keys(unwrappedData).forEach(key => {
|
|
|
+ if (['$el', '$refs', '$nextTick', '$watch'].includes(key)) return;
|
|
|
+ copy[key] = unwrappedData[key];
|
|
|
+ });
|
|
|
+ return copy;
|
|
|
+ }
|
|
|
+
|
|
|
+ class Component {
|
|
|
+ constructor(el, componentForClone = null) {
|
|
|
+ this.$el = el;
|
|
|
+ const dataAttr = this.$el.getAttribute('x-data');
|
|
|
+ const dataExpression = dataAttr === '' ? '{}' : dataAttr;
|
|
|
+ let dataExtras = {
|
|
|
+ $el: this.$el
|
|
|
+ };
|
|
|
+ let canonicalComponentElementReference = componentForClone ? componentForClone.$el : this.$el;
|
|
|
+ Object.entries(Alpine.magicProperties).forEach(([name, callback]) => {
|
|
|
+ Object.defineProperty(dataExtras, `$${name}`, {
|
|
|
+ get: function get() {
|
|
|
+ return callback(canonicalComponentElementReference);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ this.unobservedData = componentForClone ? componentForClone.getUnobservedData() : saferEval(el, dataExpression, dataExtras);
|
|
|
+ // Construct a Proxy-based observable. This will be used to handle reactivity.
|
|
|
+
|
|
|
+ let {
|
|
|
+ membrane,
|
|
|
+ data
|
|
|
+ } = this.wrapDataInObservable(this.unobservedData);
|
|
|
+ this.$data = data;
|
|
|
+ this.membrane = membrane; // After making user-supplied data methods reactive, we can now add
|
|
|
+ // our magic properties to the original data for access.
|
|
|
+
|
|
|
+ this.unobservedData.$el = this.$el;
|
|
|
+ this.unobservedData.$refs = this.getRefsProxy();
|
|
|
+ this.nextTickStack = [];
|
|
|
+
|
|
|
+ this.unobservedData.$nextTick = callback => {
|
|
|
+ this.nextTickStack.push(callback);
|
|
|
+ };
|
|
|
+
|
|
|
+ this.watchers = {};
|
|
|
+
|
|
|
+ this.unobservedData.$watch = (property, callback) => {
|
|
|
+ if (!this.watchers[property]) this.watchers[property] = [];
|
|
|
+ this.watchers[property].push(callback);
|
|
|
+ };
|
|
|
+ /* MODERN-ONLY:START */
|
|
|
+ // We remove this piece of code from the legacy build.
|
|
|
+ // In IE11, we have already defined our helpers at this point.
|
|
|
+ // Register custom magic properties.
|
|
|
+
|
|
|
+
|
|
|
+ Object.entries(Alpine.magicProperties).forEach(([name, callback]) => {
|
|
|
+ Object.defineProperty(this.unobservedData, `$${name}`, {
|
|
|
+ get: function get() {
|
|
|
+ return callback(canonicalComponentElementReference, this.$el);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ });
|
|
|
+ /* MODERN-ONLY:END */
|
|
|
+
|
|
|
+ this.showDirectiveStack = [];
|
|
|
+ this.showDirectiveLastElement;
|
|
|
+ componentForClone || Alpine.onBeforeComponentInitializeds.forEach(callback => callback(this));
|
|
|
+ const initExpression = this.$el.getAttribute('x-init');
|
|
|
+ var initReturnedCallback; // If x-init is present AND we aren't cloning (skip x-init on clone)
|
|
|
+
|
|
|
+ if (initExpression && !componentForClone) {
|
|
|
+ // We want to allow data manipulation, but not trigger DOM updates just yet.
|
|
|
+ // We haven't even initialized the elements with their Alpine bindings. I mean c'mon.
|
|
|
+ this.pauseReactivity = true;
|
|
|
+ initReturnedCallback = this.evaluateReturnExpression(this.$el, initExpression);
|
|
|
+ this.pauseReactivity = false;
|
|
|
+ } // Register all our listeners and set all our attribute bindings.
|
|
|
+ // If we're cloning a component, the third parameter ensures no duplicate
|
|
|
+ // event listeners are registered (the mutation observer will take care of them)
|
|
|
+
|
|
|
+
|
|
|
+ this.initializeElements(this.$el, () => {}, componentForClone); // Use mutation observer to detect new elements being added within this component at run-time.
|
|
|
+ // Alpine's just so darn flexible amirite?
|
|
|
+
|
|
|
+ this.listenForNewElementsToInitialize();
|
|
|
+
|
|
|
+ if (typeof initReturnedCallback === 'function') {
|
|
|
+ // Run the callback returned from the "x-init" hook to allow the user to do stuff after
|
|
|
+ // Alpine's got it's grubby little paws all over everything.
|
|
|
+ initReturnedCallback.call(this.$data);
|
|
|
+ }
|
|
|
+
|
|
|
+ componentForClone || setTimeout(() => {
|
|
|
+ Alpine.onComponentInitializeds.forEach(callback => callback(this));
|
|
|
+ }, 0);
|
|
|
+ }
|
|
|
+
|
|
|
+ getUnobservedData() {
|
|
|
+ return unwrap(this.membrane, this.$data);
|
|
|
+ }
|
|
|
+
|
|
|
+ wrapDataInObservable(data) {
|
|
|
+ var self = this;
|
|
|
+ let updateDom = debounce(function () {
|
|
|
+ self.updateElements(self.$el);
|
|
|
+ }, 0);
|
|
|
+ return wrap(data, (target, key) => {
|
|
|
+ if (self.watchers[key]) {
|
|
|
+ // If there's a watcher for this specific key, run it.
|
|
|
+ self.watchers[key].forEach(callback => callback(target[key]));
|
|
|
+ } else if (Array.isArray(target)) {
|
|
|
+ // Arrays are special cases, if any of the items change, we consider the array as mutated.
|
|
|
+ Object.keys(self.watchers).forEach(fullDotNotationKey => {
|
|
|
+ let dotNotationParts = fullDotNotationKey.split('.'); // Ignore length mutations since they would result in duplicate calls.
|
|
|
+ // For example, when calling push, we would get a mutation for the item's key
|
|
|
+ // and a second mutation for the length property.
|
|
|
+
|
|
|
+ if (key === 'length') return;
|
|
|
+ dotNotationParts.reduce((comparisonData, part) => {
|
|
|
+ if (Object.is(target, comparisonData[part])) {
|
|
|
+ self.watchers[fullDotNotationKey].forEach(callback => callback(target));
|
|
|
+ }
|
|
|
+
|
|
|
+ return comparisonData[part];
|
|
|
+ }, self.unobservedData);
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ // Let's walk through the watchers with "dot-notation" (foo.bar) and see
|
|
|
+ // if this mutation fits any of them.
|
|
|
+ Object.keys(self.watchers).filter(i => i.includes('.')).forEach(fullDotNotationKey => {
|
|
|
+ let dotNotationParts = fullDotNotationKey.split('.'); // If this dot-notation watcher's last "part" doesn't match the current
|
|
|
+ // key, then skip it early for performance reasons.
|
|
|
+
|
|
|
+ if (key !== dotNotationParts[dotNotationParts.length - 1]) return; // Now, walk through the dot-notation "parts" recursively to find
|
|
|
+ // a match, and call the watcher if one's found.
|
|
|
+
|
|
|
+ dotNotationParts.reduce((comparisonData, part) => {
|
|
|
+ if (Object.is(target, comparisonData)) {
|
|
|
+ // Run the watchers.
|
|
|
+ self.watchers[fullDotNotationKey].forEach(callback => callback(target[key]));
|
|
|
+ }
|
|
|
+
|
|
|
+ return comparisonData[part];
|
|
|
+ }, self.unobservedData);
|
|
|
+ });
|
|
|
+ } // Don't react to data changes for cases like the `x-created` hook.
|
|
|
+
|
|
|
+
|
|
|
+ if (self.pauseReactivity) return;
|
|
|
+ updateDom();
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ walkAndSkipNestedComponents(el, callback, initializeComponentCallback = () => {}) {
|
|
|
+ walk(el, el => {
|
|
|
+ // We've hit a component.
|
|
|
+ if (el.hasAttribute('x-data')) {
|
|
|
+ // If it's not the current one.
|
|
|
+ if (!el.isSameNode(this.$el)) {
|
|
|
+ // Initialize it if it's not.
|
|
|
+ if (!el.__x) initializeComponentCallback(el); // Now we'll let that sub-component deal with itself.
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return callback(el);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ initializeElements(rootEl, extraVars = () => {}, componentForClone = false) {
|
|
|
+ this.walkAndSkipNestedComponents(rootEl, el => {
|
|
|
+ // Don't touch spawns from for loop
|
|
|
+ if (el.__x_for_key !== undefined) return false; // Don't touch spawns from if directives
|
|
|
+
|
|
|
+ if (el.__x_inserted_me !== undefined) return false;
|
|
|
+ this.initializeElement(el, extraVars, componentForClone ? false : true);
|
|
|
+ }, el => {
|
|
|
+ if (!componentForClone) el.__x = new Component(el);
|
|
|
+ });
|
|
|
+ this.executeAndClearRemainingShowDirectiveStack();
|
|
|
+ this.executeAndClearNextTickStack(rootEl);
|
|
|
+ }
|
|
|
+
|
|
|
+ initializeElement(el, extraVars, shouldRegisterListeners = true) {
|
|
|
+ // To support class attribute merging, we have to know what the element's
|
|
|
+ // original class attribute looked like for reference.
|
|
|
+ if (el.hasAttribute('class') && getXAttrs(el, this).length > 0) {
|
|
|
+ el.__x_original_classes = convertClassStringToArray(el.getAttribute('class'));
|
|
|
+ }
|
|
|
+
|
|
|
+ shouldRegisterListeners && this.registerListeners(el, extraVars);
|
|
|
+ this.resolveBoundAttributes(el, true, extraVars);
|
|
|
+ }
|
|
|
+
|
|
|
+ updateElements(rootEl, extraVars = () => {}) {
|
|
|
+ this.walkAndSkipNestedComponents(rootEl, el => {
|
|
|
+ // Don't touch spawns from for loop (and check if the root is actually a for loop in a parent, don't skip it.)
|
|
|
+ if (el.__x_for_key !== undefined && !el.isSameNode(this.$el)) return false;
|
|
|
+ this.updateElement(el, extraVars);
|
|
|
+ }, el => {
|
|
|
+ el.__x = new Component(el);
|
|
|
+ });
|
|
|
+ this.executeAndClearRemainingShowDirectiveStack();
|
|
|
+ this.executeAndClearNextTickStack(rootEl);
|
|
|
+ }
|
|
|
+
|
|
|
+ executeAndClearNextTickStack(el) {
|
|
|
+ // Skip spawns from alpine directives
|
|
|
+ if (el === this.$el && this.nextTickStack.length > 0) {
|
|
|
+ // We run the tick stack after the next frame to allow any
|
|
|
+ // running transitions to pass the initial show stage.
|
|
|
+ requestAnimationFrame(() => {
|
|
|
+ while (this.nextTickStack.length > 0) {
|
|
|
+ this.nextTickStack.shift()();
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ executeAndClearRemainingShowDirectiveStack() {
|
|
|
+ // The goal here is to start all the x-show transitions
|
|
|
+ // and build a nested promise chain so that elements
|
|
|
+ // only hide when the children are finished hiding.
|
|
|
+ this.showDirectiveStack.reverse().map(handler => {
|
|
|
+ return new Promise((resolve, reject) => {
|
|
|
+ handler(resolve, reject);
|
|
|
+ });
|
|
|
+ }).reduce((promiseChain, promise) => {
|
|
|
+ return promiseChain.then(() => {
|
|
|
+ return promise.then(finishElement => {
|
|
|
+ finishElement();
|
|
|
+ });
|
|
|
+ });
|
|
|
+ }, Promise.resolve(() => {})).catch(e => {
|
|
|
+ if (e !== TRANSITION_CANCELLED) throw e;
|
|
|
+ }); // We've processed the handler stack. let's clear it.
|
|
|
+
|
|
|
+ this.showDirectiveStack = [];
|
|
|
+ this.showDirectiveLastElement = undefined;
|
|
|
+ }
|
|
|
+
|
|
|
+ updateElement(el, extraVars) {
|
|
|
+ this.resolveBoundAttributes(el, false, extraVars);
|
|
|
+ }
|
|
|
+
|
|
|
+ registerListeners(el, extraVars) {
|
|
|
+ getXAttrs(el, this).forEach(({
|
|
|
+ type,
|
|
|
+ value,
|
|
|
+ modifiers,
|
|
|
+ expression
|
|
|
+ }) => {
|
|
|
+ switch (type) {
|
|
|
+ case 'on':
|
|
|
+ registerListener(this, el, value, modifiers, expression, extraVars);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'model':
|
|
|
+ registerModelListener(this, el, modifiers, expression, extraVars);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ resolveBoundAttributes(el, initialUpdate = false, extraVars) {
|
|
|
+ let attrs = getXAttrs(el, this);
|
|
|
+ attrs.forEach(({
|
|
|
+ type,
|
|
|
+ value,
|
|
|
+ modifiers,
|
|
|
+ expression
|
|
|
+ }) => {
|
|
|
+ switch (type) {
|
|
|
+ case 'model':
|
|
|
+ handleAttributeBindingDirective(this, el, 'value', expression, extraVars, type, modifiers);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'bind':
|
|
|
+ // The :key binding on an x-for is special, ignore it.
|
|
|
+ if (el.tagName.toLowerCase() === 'template' && value === 'key') return;
|
|
|
+ handleAttributeBindingDirective(this, el, value, expression, extraVars, type, modifiers);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'text':
|
|
|
+ var output = this.evaluateReturnExpression(el, expression, extraVars);
|
|
|
+ handleTextDirective(el, output, expression);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'html':
|
|
|
+ handleHtmlDirective(this, el, expression, extraVars);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'show':
|
|
|
+ var output = this.evaluateReturnExpression(el, expression, extraVars);
|
|
|
+ handleShowDirective(this, el, output, modifiers, initialUpdate);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'if':
|
|
|
+ // If this element also has x-for on it, don't process x-if.
|
|
|
+ // We will let the "x-for" directive handle the "if"ing.
|
|
|
+ if (attrs.some(i => i.type === 'for')) return;
|
|
|
+ var output = this.evaluateReturnExpression(el, expression, extraVars);
|
|
|
+ handleIfDirective(this, el, output, initialUpdate, extraVars);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'for':
|
|
|
+ handleForDirective(this, el, expression, initialUpdate, extraVars);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'cloak':
|
|
|
+ el.removeAttribute('x-cloak');
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ evaluateReturnExpression(el, expression, extraVars = () => {}) {
|
|
|
+ return saferEval(el, expression, this.$data, _objectSpread2(_objectSpread2({}, extraVars()), {}, {
|
|
|
+ $dispatch: this.getDispatchFunction(el)
|
|
|
+ }));
|
|
|
+ }
|
|
|
+
|
|
|
+ evaluateCommandExpression(el, expression, extraVars = () => {}) {
|
|
|
+ return saferEvalNoReturn(el, expression, this.$data, _objectSpread2(_objectSpread2({}, extraVars()), {}, {
|
|
|
+ $dispatch: this.getDispatchFunction(el)
|
|
|
+ }));
|
|
|
+ }
|
|
|
+
|
|
|
+ getDispatchFunction(el) {
|
|
|
+ return (event, detail = {}) => {
|
|
|
+ el.dispatchEvent(new CustomEvent(event, {
|
|
|
+ detail,
|
|
|
+ bubbles: true
|
|
|
+ }));
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ listenForNewElementsToInitialize() {
|
|
|
+ const targetNode = this.$el;
|
|
|
+ const observerOptions = {
|
|
|
+ childList: true,
|
|
|
+ attributes: true,
|
|
|
+ subtree: true
|
|
|
+ };
|
|
|
+ const observer = new MutationObserver(mutations => {
|
|
|
+ for (let i = 0; i < mutations.length; i++) {
|
|
|
+ // Filter out mutations triggered from child components.
|
|
|
+ const closestParentComponent = mutations[i].target.closest('[x-data]');
|
|
|
+ if (!(closestParentComponent && closestParentComponent.isSameNode(this.$el))) continue;
|
|
|
+
|
|
|
+ if (mutations[i].type === 'attributes' && mutations[i].attributeName === 'x-data') {
|
|
|
+ const xAttr = mutations[i].target.getAttribute('x-data') || '{}';
|
|
|
+ const rawData = saferEval(this.$el, xAttr, {
|
|
|
+ $el: this.$el
|
|
|
+ });
|
|
|
+ Object.keys(rawData).forEach(key => {
|
|
|
+ if (this.$data[key] !== rawData[key]) {
|
|
|
+ this.$data[key] = rawData[key];
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (mutations[i].addedNodes.length > 0) {
|
|
|
+ mutations[i].addedNodes.forEach(node => {
|
|
|
+ if (node.nodeType !== 1 || node.__x_inserted_me) return;
|
|
|
+
|
|
|
+ if (node.matches('[x-data]') && !node.__x) {
|
|
|
+ node.__x = new Component(node);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ node.__x_node_add_count = (node.__x_node_add_count || 0) + 1;
|
|
|
+ this.initializeElements(node);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+ observer.observe(targetNode, observerOptions);
|
|
|
+ }
|
|
|
+
|
|
|
+ getRefsProxy() {
|
|
|
+ var self = this;
|
|
|
+ var refObj = {};
|
|
|
+ // One of the goals of this is to not hold elements in memory, but rather re-evaluate
|
|
|
+ // the DOM when the system needs something from it. This way, the framework is flexible and
|
|
|
+ // friendly to outside DOM changes from libraries like Vue/Livewire.
|
|
|
+ // For this reason, I'm using an "on-demand" proxy to fake a "$refs" object.
|
|
|
+
|
|
|
+ return new Proxy(refObj, {
|
|
|
+ get(object, property) {
|
|
|
+ if (property === '$isAlpineProxy') return true;
|
|
|
+ var ref; // We can't just query the DOM because it's hard to filter out refs in
|
|
|
+ // nested components.
|
|
|
+
|
|
|
+ self.walkAndSkipNestedComponents(self.$el, el => {
|
|
|
+ if (el.hasAttribute('x-ref') && el.getAttribute('x-ref') === property) {
|
|
|
+ ref = el;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return ref;
|
|
|
+ }
|
|
|
+
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ const Alpine = {
|
|
|
+ version: "2.8.2",
|
|
|
+ pauseMutationObserver: false,
|
|
|
+ magicProperties: {},
|
|
|
+ onComponentInitializeds: [],
|
|
|
+ onBeforeComponentInitializeds: [],
|
|
|
+ ignoreFocusedForValueBinding: false,
|
|
|
+ start: async function start() {
|
|
|
+ if (!isTesting()) {
|
|
|
+ await domReady();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.discoverComponents(el => {
|
|
|
+ this.initializeComponent(el);
|
|
|
+ }); // It's easier and more performant to just support Turbolinks than listen
|
|
|
+ // to MutationObserver mutations at the document level.
|
|
|
+
|
|
|
+ document.addEventListener("turbolinks:load", () => {
|
|
|
+ this.discoverUninitializedComponents(el => {
|
|
|
+ this.initializeComponent(el);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ this.listenForNewUninitializedComponentsAtRunTime();
|
|
|
+ },
|
|
|
+ discoverComponents: function discoverComponents(callback) {
|
|
|
+ const rootEls = document.querySelectorAll('[x-data]');
|
|
|
+ rootEls.forEach(rootEl => {
|
|
|
+ callback(rootEl);
|
|
|
+ });
|
|
|
+ },
|
|
|
+ discoverUninitializedComponents: function discoverUninitializedComponents(callback, el = null) {
|
|
|
+ const rootEls = (el || document).querySelectorAll('[x-data]');
|
|
|
+ Array.from(rootEls).filter(el => el.__x === undefined).forEach(rootEl => {
|
|
|
+ callback(rootEl);
|
|
|
+ });
|
|
|
+ },
|
|
|
+ listenForNewUninitializedComponentsAtRunTime: function listenForNewUninitializedComponentsAtRunTime() {
|
|
|
+ const targetNode = document.querySelector('body');
|
|
|
+ const observerOptions = {
|
|
|
+ childList: true,
|
|
|
+ attributes: true,
|
|
|
+ subtree: true
|
|
|
+ };
|
|
|
+ const observer = new MutationObserver(mutations => {
|
|
|
+ if (this.pauseMutationObserver) return;
|
|
|
+
|
|
|
+ for (let i = 0; i < mutations.length; i++) {
|
|
|
+ if (mutations[i].addedNodes.length > 0) {
|
|
|
+ mutations[i].addedNodes.forEach(node => {
|
|
|
+ // Discard non-element nodes (like line-breaks)
|
|
|
+ if (node.nodeType !== 1) return; // Discard any changes happening within an existing component.
|
|
|
+ // They will take care of themselves.
|
|
|
+
|
|
|
+ if (node.parentElement && node.parentElement.closest('[x-data]')) return;
|
|
|
+ this.discoverUninitializedComponents(el => {
|
|
|
+ this.initializeComponent(el);
|
|
|
+ }, node.parentElement);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+ observer.observe(targetNode, observerOptions);
|
|
|
+ },
|
|
|
+ initializeComponent: function initializeComponent(el) {
|
|
|
+ if (!el.__x) {
|
|
|
+ // Wrap in a try/catch so that we don't prevent other components
|
|
|
+ // from initializing when one component contains an error.
|
|
|
+ try {
|
|
|
+ el.__x = new Component(el);
|
|
|
+ } catch (error) {
|
|
|
+ setTimeout(() => {
|
|
|
+ throw error;
|
|
|
+ }, 0);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ clone: function clone(component, newEl) {
|
|
|
+ if (!newEl.__x) {
|
|
|
+ newEl.__x = new Component(newEl, component);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ addMagicProperty: function addMagicProperty(name, callback) {
|
|
|
+ this.magicProperties[name] = callback;
|
|
|
+ },
|
|
|
+ onComponentInitialized: function onComponentInitialized(callback) {
|
|
|
+ this.onComponentInitializeds.push(callback);
|
|
|
+ },
|
|
|
+ onBeforeComponentInitialized: function onBeforeComponentInitialized(callback) {
|
|
|
+ this.onBeforeComponentInitializeds.push(callback);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ if (!isTesting()) {
|
|
|
+ window.Alpine = Alpine;
|
|
|
+
|
|
|
+ if (window.deferLoadingAlpine) {
|
|
|
+ window.deferLoadingAlpine(function () {
|
|
|
+ window.Alpine.start();
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ window.Alpine.start();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return Alpine;
|
|
|
+
|
|
|
+})));
|
