| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { isNgContent } from '../ml_parser/tags';
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| 9 | const NG_CONTENT_SELECT_ATTR = 'select';
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| 10 | const LINK_ELEMENT = 'link';
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| 11 | const LINK_STYLE_REL_ATTR = 'rel';
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| 12 | const LINK_STYLE_HREF_ATTR = 'href';
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| 13 | const LINK_STYLE_REL_VALUE = 'stylesheet';
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| 14 | const STYLE_ELEMENT = 'style';
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| 15 | const SCRIPT_ELEMENT = 'script';
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| 16 | const NG_NON_BINDABLE_ATTR = 'ngNonBindable';
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| 17 | const NG_PROJECT_AS = 'ngProjectAs';
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| 18 | export function preparseElement(ast) {
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| 19 | let selectAttr = null;
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| 20 | let hrefAttr = null;
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| 21 | let relAttr = null;
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| 22 | let nonBindable = false;
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| 23 | let projectAs = '';
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| 24 | ast.attrs.forEach(attr => {
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| 25 | const lcAttrName = attr.name.toLowerCase();
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| 26 | if (lcAttrName == NG_CONTENT_SELECT_ATTR) {
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| 27 | selectAttr = attr.value;
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| 28 | }
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| 29 | else if (lcAttrName == LINK_STYLE_HREF_ATTR) {
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| 30 | hrefAttr = attr.value;
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| 31 | }
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| 32 | else if (lcAttrName == LINK_STYLE_REL_ATTR) {
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| 33 | relAttr = attr.value;
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| 34 | }
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| 35 | else if (attr.name == NG_NON_BINDABLE_ATTR) {
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| 36 | nonBindable = true;
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| 37 | }
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| 38 | else if (attr.name == NG_PROJECT_AS) {
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| 39 | if (attr.value.length > 0) {
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| 40 | projectAs = attr.value;
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| 41 | }
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| 42 | }
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| 43 | });
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| 44 | selectAttr = normalizeNgContentSelect(selectAttr);
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| 45 | const nodeName = ast.name.toLowerCase();
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| 46 | let type = PreparsedElementType.OTHER;
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| 47 | if (isNgContent(nodeName)) {
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| 48 | type = PreparsedElementType.NG_CONTENT;
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| 49 | }
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| 50 | else if (nodeName == STYLE_ELEMENT) {
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| 51 | type = PreparsedElementType.STYLE;
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| 52 | }
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| 53 | else if (nodeName == SCRIPT_ELEMENT) {
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| 54 | type = PreparsedElementType.SCRIPT;
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| 55 | }
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| 56 | else if (nodeName == LINK_ELEMENT && relAttr == LINK_STYLE_REL_VALUE) {
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| 57 | type = PreparsedElementType.STYLESHEET;
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| 58 | }
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| 59 | return new PreparsedElement(type, selectAttr, hrefAttr, nonBindable, projectAs);
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| 60 | }
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| 61 | export var PreparsedElementType;
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| 62 | (function (PreparsedElementType) {
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| 63 | PreparsedElementType[PreparsedElementType["NG_CONTENT"] = 0] = "NG_CONTENT";
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| 64 | PreparsedElementType[PreparsedElementType["STYLE"] = 1] = "STYLE";
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| 65 | PreparsedElementType[PreparsedElementType["STYLESHEET"] = 2] = "STYLESHEET";
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| 66 | PreparsedElementType[PreparsedElementType["SCRIPT"] = 3] = "SCRIPT";
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| 67 | PreparsedElementType[PreparsedElementType["OTHER"] = 4] = "OTHER";
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| 68 | })(PreparsedElementType || (PreparsedElementType = {}));
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| 69 | export class PreparsedElement {
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| 70 | constructor(type, selectAttr, hrefAttr, nonBindable, projectAs) {
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| 71 | this.type = type;
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| 72 | this.selectAttr = selectAttr;
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| 73 | this.hrefAttr = hrefAttr;
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| 74 | this.nonBindable = nonBindable;
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| 75 | this.projectAs = projectAs;
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| 76 | }
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| 77 | }
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| 78 | function normalizeNgContentSelect(selectAttr) {
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| 79 | if (selectAttr === null || selectAttr.length === 0) {
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| 80 | return '*';
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| 81 | }
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| 82 | return selectAttr;
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| 83 | }
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| 84 | //# 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