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1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8(function (factory) {
9 if (typeof module === "object" && typeof module.exports === "object") {
10 var v = factory(require, exports);
11 if (v !== undefined) module.exports = v;
12 }
13 else if (typeof define === "function" && define.amd) {
14 define("@angular/language-service/src/template", ["require", "exports", "tslib", "@angular/language-service/src/global_symbols", "@angular/language-service/src/typescript_symbols"], factory);
15 }
16})(function (require, exports) {
17 "use strict";
18 Object.defineProperty(exports, "__esModule", { value: true });
19 exports.ExternalTemplate = exports.InlineTemplate = void 0;
20 var tslib_1 = require("tslib");
21 var global_symbols_1 = require("@angular/language-service/src/global_symbols");
22 var typescript_symbols_1 = require("@angular/language-service/src/typescript_symbols");
23 /**
24 * A base class to represent a template and which component class it is
25 * associated with. A template source could answer basic questions about
26 * top-level declarations of its class through the members() and query()
27 * methods.
28 */
29 var BaseTemplate = /** @class */ (function () {
30 function BaseTemplate(host, classDeclNode, classSymbol) {
31 this.host = host;
32 this.classDeclNode = classDeclNode;
33 this.classSymbol = classSymbol;
34 this.program = host.program;
35 }
36 Object.defineProperty(BaseTemplate.prototype, "type", {
37 /**
38 * Return the Angular StaticSymbol for the class that contains this template.
39 */
40 get: function () {
41 return this.classSymbol;
42 },
43 enumerable: false,
44 configurable: true
45 });
46 Object.defineProperty(BaseTemplate.prototype, "members", {
47 /**
48 * Return a Map-like data structure that allows users to retrieve some or all
49 * top-level declarations in the associated component class.
50 */
51 get: function () {
52 if (!this.membersTable) {
53 var typeChecker = this.program.getTypeChecker();
54 var sourceFile = this.classDeclNode.getSourceFile();
55 this.membersTable = this.query.mergeSymbolTable([
56 global_symbols_1.createGlobalSymbolTable(this.query),
57 typescript_symbols_1.getClassMembersFromDeclaration(this.program, typeChecker, sourceFile, this.classDeclNode),
58 ]);
59 }
60 return this.membersTable;
61 },
62 enumerable: false,
63 configurable: true
64 });
65 Object.defineProperty(BaseTemplate.prototype, "query", {
66 /**
67 * Return an engine that provides more information about symbols in the
68 * template.
69 */
70 get: function () {
71 var _this = this;
72 if (!this.queryCache) {
73 var program_1 = this.program;
74 var typeChecker_1 = program_1.getTypeChecker();
75 var sourceFile_1 = this.classDeclNode.getSourceFile();
76 this.queryCache = typescript_symbols_1.getSymbolQuery(program_1, typeChecker_1, sourceFile_1, function () {
77 // Computing the ast is relatively expensive. Do it only when absolutely
78 // necessary.
79 // TODO: There is circular dependency here between TemplateSource and
80 // TypeScriptHost. Consider refactoring the code to break this cycle.
81 var ast = _this.host.getTemplateAst(_this);
82 var pipes = (ast && ast.pipes) || [];
83 return typescript_symbols_1.getPipesTable(sourceFile_1, program_1, typeChecker_1, pipes);
84 });
85 }
86 return this.queryCache;
87 },
88 enumerable: false,
89 configurable: true
90 });
91 return BaseTemplate;
92 }());
93 /**
94 * An InlineTemplate represents template defined in a TS file through the
95 * `template` attribute in the decorator.
96 */
97 var InlineTemplate = /** @class */ (function (_super) {
98 tslib_1.__extends(InlineTemplate, _super);
99 function InlineTemplate(templateNode, classDeclNode, classSymbol, host) {
100 var _this = _super.call(this, host, classDeclNode, classSymbol) || this;
101 var sourceFile = templateNode.getSourceFile();
102 if (sourceFile !== classDeclNode.getSourceFile()) {
103 throw new Error("Inline template and component class should belong to the same source file");
104 }
105 _this.fileName = sourceFile.fileName;
106 // node.text returns the TS internal representation of the normalized text,
107 // and all CR characters are stripped. node.getText() returns the raw text.
108 _this.source = templateNode.getText().slice(1, -1); // strip leading and trailing quotes
109 _this.span = {
110 // TS string literal includes surrounding quotes in the start/end offsets.
111 start: templateNode.getStart() + 1,
112 end: templateNode.getEnd() - 1,
113 };
114 return _this;
115 }
116 return InlineTemplate;
117 }(BaseTemplate));
118 exports.InlineTemplate = InlineTemplate;
119 /**
120 * An ExternalTemplate represents template defined in an external (most likely
121 * HTML, but not necessarily) file through the `templateUrl` attribute in the
122 * decorator.
123 * Note that there is no ts.Node associated with the template because it's not
124 * a TS file.
125 */
126 var ExternalTemplate = /** @class */ (function (_super) {
127 tslib_1.__extends(ExternalTemplate, _super);
128 function ExternalTemplate(source, fileName, classDeclNode, classSymbol, host) {
129 var _this = _super.call(this, host, classDeclNode, classSymbol) || this;
130 _this.source = source;
131 _this.fileName = fileName;
132 _this.span = {
133 start: 0,
134 end: source.length,
135 };
136 return _this;
137 }
138 return ExternalTemplate;
139 }(BaseTemplate));
140 exports.ExternalTemplate = ExternalTemplate;
141});
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A template source could answer basic questions about\n * top-level declarations of its class through the members() and query()\n * methods.\n */\nabstract class BaseTemplate implements ng.TemplateSource {\n  private readonly program: ts.Program;\n  private membersTable: ng.SymbolTable|undefined;\n  private queryCache: ng.SymbolQuery|undefined;\n\n  constructor(\n      private readonly host: TypeScriptServiceHost,\n      private readonly classDeclNode: ts.ClassDeclaration,\n      private readonly classSymbol: ng.StaticSymbol) {\n    this.program = host.program;\n  }\n\n  abstract get span(): ng.Span;\n  abstract get fileName(): string;\n  abstract get source(): string;\n\n  /**\n   * Return the Angular StaticSymbol for the class that contains this template.\n   */\n  get type() {\n    return this.classSymbol;\n  }\n\n  /**\n   * Return a Map-like data structure that allows users to retrieve some or all\n   * top-level declarations in the associated component class.\n   */\n  get members() {\n    if (!this.membersTable) {\n      const typeChecker = this.program.getTypeChecker();\n      const sourceFile = this.classDeclNode.getSourceFile();\n      this.membersTable = this.query.mergeSymbolTable([\n        createGlobalSymbolTable(this.query),\n        getClassMembersFromDeclaration(this.program, typeChecker, sourceFile, this.classDeclNode),\n      ]);\n    }\n    return this.membersTable;\n  }\n\n  /**\n   * Return an engine that provides more information about symbols in the\n   * template.\n   */\n  get query() {\n    if (!this.queryCache) {\n      const program = this.program;\n      const typeChecker = program.getTypeChecker();\n      const sourceFile = this.classDeclNode.getSourceFile();\n      this.queryCache = getSymbolQuery(program, typeChecker, sourceFile, () => {\n        // Computing the ast is relatively expensive. Do it only when absolutely\n        // necessary.\n        // TODO: There is circular dependency here between TemplateSource and\n        // TypeScriptHost. Consider refactoring the code to break this cycle.\n        const ast = this.host.getTemplateAst(this);\n        const pipes = (ast && ast.pipes) || [];\n        return getPipesTable(sourceFile, program, typeChecker, pipes);\n      });\n    }\n    return this.queryCache;\n  }\n}\n\n/**\n * An InlineTemplate represents template defined in a TS file through the\n * `template` attribute in the decorator.\n */\nexport class InlineTemplate extends BaseTemplate {\n  public readonly fileName: string;\n  public readonly source: string;\n  public readonly span: ng.Span;\n\n  constructor(\n      templateNode: ts.StringLiteralLike, classDeclNode: ts.ClassDeclaration,\n      classSymbol: ng.StaticSymbol, host: TypeScriptServiceHost) {\n    super(host, classDeclNode, classSymbol);\n    const sourceFile = templateNode.getSourceFile();\n    if (sourceFile !== classDeclNode.getSourceFile()) {\n      throw new Error(`Inline template and component class should belong to the same source file`);\n    }\n    this.fileName = sourceFile.fileName;\n    // node.text returns the TS internal representation of the normalized text,\n    // and all CR characters are stripped. node.getText() returns the raw text.\n    this.source = templateNode.getText().slice(1, -1);  // strip leading and trailing quotes\n    this.span = {\n      // TS string literal includes surrounding quotes in the start/end offsets.\n      start: templateNode.getStart() + 1,\n      end: templateNode.getEnd() - 1,\n    };\n  }\n}\n\n/**\n * An ExternalTemplate represents template defined in an external (most likely\n * HTML, but not necessarily) file through the `templateUrl` attribute in the\n * decorator.\n * Note that there is no ts.Node associated with the template because it's not\n * a TS file.\n */\nexport class ExternalTemplate extends BaseTemplate {\n  public readonly span: ng.Span;\n\n  constructor(\n      public readonly source: string, public readonly fileName: string,\n      classDeclNode: ts.ClassDeclaration, classSymbol: ng.StaticSymbol,\n      host: TypeScriptServiceHost) {\n    super(host, classDeclNode, classSymbol);\n    this.span = {\n      start: 0,\n      end: source.length,\n    };\n  }\n}\n"]}
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