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https://github.com/angular/angular
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fe2a8de1b5
Similar to the other private entry-points we have added for localize, bazel or the migrations, we should expose the tooling code through a dedicated private export. This will make the compiler-cli exports more consistent and it will become easier for the CLI to export necessary code. PR Close #43431
49 lines
1.8 KiB
TypeScript
49 lines
1.8 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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/**
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* @fileoverview
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* This file is used as a private API channel to shared Angular FW APIs with @angular/cli.
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*
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* Any changes to this file should be discussed with the Angular CLI team.
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*/
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import ts from 'typescript';
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import {TypeScriptReflectionHost} from '../src/ngtsc/reflection';
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import {getDownlevelDecoratorsTransform} from '../src/transformers/downlevel_decorators_transform/index';
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/**
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* Known values for global variables in `@angular/core` that Terser should set using
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* https://github.com/terser-js/terser#conditional-compilation
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*/
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export const GLOBAL_DEFS_FOR_TERSER = {
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ngDevMode: false,
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ngI18nClosureMode: false,
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};
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export const GLOBAL_DEFS_FOR_TERSER_WITH_AOT = {
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...GLOBAL_DEFS_FOR_TERSER,
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ngJitMode: false,
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};
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/**
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* Transform for downleveling Angular decorators and Angular-decorated class constructor
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* parameters for dependency injection. This transform can be used by the CLI for JIT-mode
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* compilation where constructor parameters and associated Angular decorators should be
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* downleveled so that apps are not exposed to the ES2015 temporal dead zone limitation
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* in TypeScript. See https://github.com/angular/angular-cli/pull/14473 for more details.
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*/
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export function constructorParametersDownlevelTransform(program: ts.Program):
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ts.TransformerFactory<ts.SourceFile> {
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const typeChecker = program.getTypeChecker();
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const reflectionHost = new TypeScriptReflectionHost(typeChecker);
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return getDownlevelDecoratorsTransform(
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typeChecker, reflectionHost, [], /* isCore */ false,
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/* enableClosureCompiler */ false, /* skipClassDecorators */ true);
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}
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