6f829180f7
Update the license headers throughout the repository to reference Google LLC rather than Google Inc, for the required license headers. PR Close #37205
56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {ClassStmt, PartialModule, Statement, StmtModifier} from '@angular/compiler';
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import * as ts from 'typescript';
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import {isClassMetadata, MetadataCollector, MetadataValue, ModuleMetadata} from '../metadata/index';
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import {MetadataTransformer, ValueTransform} from './metadata_cache';
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export class PartialModuleMetadataTransformer implements MetadataTransformer {
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private moduleMap: Map<string, PartialModule>;
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constructor(modules: PartialModule[]) {
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this.moduleMap = new Map(modules.map<[string, PartialModule]>(m => [m.fileName, m]));
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}
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start(sourceFile: ts.SourceFile): ValueTransform|undefined {
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const partialModule = this.moduleMap.get(sourceFile.fileName);
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if (partialModule) {
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const classMap = new Map<string, ClassStmt>(
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partialModule.statements.filter(isClassStmt).map<[string, ClassStmt]>(s => [s.name, s]));
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if (classMap.size > 0) {
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return (value: MetadataValue, node: ts.Node): MetadataValue => {
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// For class metadata that is going to be transformed to have a static method ensure the
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// metadata contains a static declaration the new static method.
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if (isClassMetadata(value) && node.kind === ts.SyntaxKind.ClassDeclaration) {
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const classDeclaration = node as ts.ClassDeclaration;
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if (classDeclaration.name) {
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const partialClass = classMap.get(classDeclaration.name.text);
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if (partialClass) {
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for (const field of partialClass.fields) {
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if (field.name && field.modifiers &&
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field.modifiers.some(modifier => modifier === StmtModifier.Static)) {
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value.statics = {...(value.statics || {}), [field.name]: {}};
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}
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}
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}
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}
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}
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return value;
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};
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}
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}
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}
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}
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function isClassStmt(v: Statement): v is ClassStmt {
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return v instanceof ClassStmt;
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}
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