| 1 | "use strict";
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| 2 | /**
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| 3 | * @license
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| 4 | * Copyright Google LLC All Rights Reserved.
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| 5 | *
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| 6 | * Use of this source code is governed by an MIT-style license that can be
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| 7 | * found in the LICENSE file at https://angular.io/license
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| 8 | */
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| 9 | Object.defineProperty(exports, "__esModule", { value: true });
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| 10 | exports.isHammerJsUsedInTemplate = void 0;
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| 11 | const schematics_1 = require("@angular/cdk/schematics");
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| 12 | /** List of known events which are supported by the "HammerGesturesPlugin". */
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| 13 | const STANDARD_HAMMERJS_EVENTS = [
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| 14 | // Events supported by the "HammerGesturesPlugin". See:
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| 15 | // angular/angular/blob/0119f46d/packages/platform-browser/src/dom/events/hammer_gestures.ts#L19
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| 16 | 'pan', 'panstart', 'panmove', 'panend', 'pancancel', 'panleft',
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| 17 | 'panright', 'panup', 'pandown', 'pinch', 'pinchstart', 'pinchmove',
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| 18 | 'pinchend', 'pinchcancel', 'pinchin', 'pinchout', 'press', 'pressup',
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| 19 | 'rotate', 'rotatestart', 'rotatemove', 'rotateend', 'rotatecancel', 'swipe',
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| 20 | 'swipeleft', 'swiperight', 'swipeup', 'swipedown', 'tap',
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| 21 | ];
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| 22 | /** List of events which are provided by the deprecated Angular Material "GestureConfig". */
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| 23 | const CUSTOM_MATERIAL_HAMMERJS_EVENS = ['longpress', 'slide', 'slidestart', 'slideend', 'slideright', 'slideleft'];
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| 24 | /**
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| 25 | * Parses the specified HTML and searches for elements with Angular outputs listening to
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| 26 | * one of the known HammerJS events. This check naively assumes that the bindings never
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| 27 | * match on a component output, but only on the Hammer plugin.
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| 28 | */
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| 29 | function isHammerJsUsedInTemplate(html) {
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| 30 | const document = schematics_1.parse5.parseFragment(html, { sourceCodeLocationInfo: true });
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| 31 | let customEvents = false;
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| 32 | let standardEvents = false;
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| 33 | const visitNodes = (nodes) => {
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| 34 | nodes.forEach(node => {
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| 35 | if (!isElement(node)) {
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| 36 | return;
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| 37 | }
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| 38 | for (let attr of node.attrs) {
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| 39 | if (!customEvents && CUSTOM_MATERIAL_HAMMERJS_EVENS.some(e => `(${e})` === attr.name)) {
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| 40 | customEvents = true;
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| 41 | }
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| 42 | if (!standardEvents && STANDARD_HAMMERJS_EVENTS.some(e => `(${e})` === attr.name)) {
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| 43 | standardEvents = true;
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| 44 | }
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| 45 | }
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| 46 | // Do not continue traversing the AST if both type of HammerJS
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| 47 | // usages have been detected already.
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| 48 | if (!customEvents || !standardEvents) {
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| 49 | visitNodes(node.childNodes);
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| 50 | }
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| 51 | });
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| 52 | };
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| 53 | visitNodes(document.childNodes);
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| 54 | return { customEvents, standardEvents };
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| 55 | }
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| 56 | exports.isHammerJsUsedInTemplate = isHammerJsUsedInTemplate;
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| 57 | function isElement(node) {
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| 58 | return !!node.attrs;
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| 59 | }
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| 60 | //# 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AgY3VzdG9tRXZlbnRzID0gdHJ1ZTtcbiAgICAgICAgfVxuICAgICAgICBpZiAoIXN0YW5kYXJkRXZlbnRzICYmIFNUQU5EQVJEX0hBTU1FUkpTX0VWRU5UUy5zb21lKGUgPT4gYCgke2V9KWAgPT09IGF0dHIubmFtZSkpIHtcbiAgICAgICAgICBzdGFuZGFyZEV2ZW50cyA9IHRydWU7XG4gICAgICAgIH1cbiAgICAgIH1cblxuICAgICAgLy8gRG8gbm90IGNvbnRpbnVlIHRyYXZlcnNpbmcgdGhlIEFTVCBpZiBib3RoIHR5cGUgb2YgSGFtbWVySlNcbiAgICAgIC8vIHVzYWdlcyBoYXZlIGJlZW4gZGV0ZWN0ZWQgYWxyZWFkeS5cbiAgICAgIGlmICghY3VzdG9tRXZlbnRzIHx8ICFzdGFuZGFyZEV2ZW50cykge1xuICAgICAgICB2aXNpdE5vZGVzKG5vZGUuY2hpbGROb2Rlcyk7XG4gICAgICB9XG4gICAgfSk7XG4gIH07XG4gIHZpc2l0Tm9kZXMoZG9jdW1lbnQuY2hpbGROb2Rlcyk7XG4gIHJldHVybiB7Y3VzdG9tRXZlbnRzLCBzdGFuZGFyZEV2ZW50c307XG59XG5cbmZ1bmN0aW9uIGlzRWxlbWVudChub2RlOiBhbnkpOiBub2RlIGlzIHBhcnNlNS5FbGVtZW50IHtcbiAgcmV0dXJuICEhbm9kZS5hdHRycztcbn1cbiJdfQ== 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