angular-cn/packages/compiler-cli/ngcc/test/helpers/utils.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import * as ts from 'typescript';
import {AbsoluteFsPath} from '../../../src/ngtsc/path';
import {makeProgram} from '../../../src/ngtsc/testing/in_memory_typescript';
import {BundleProgram} from '../../src/packages/bundle_program';
import {EntryPointFormat} from '../../src/packages/entry_point';
import {EntryPointBundle} from '../../src/packages/entry_point_bundle';
export {getDeclaration} from '../../../src/ngtsc/testing/in_memory_typescript';
/**
*
* @param format The format of the bundle.
* @param files The source files to include in the bundle.
* @param dtsFiles The typings files to include the bundle.
*/
export function makeTestEntryPointBundle(
format: EntryPointFormat, isCore: boolean,
files: {name: string, contents: string, isRoot?: boolean}[],
dtsFiles?: {name: string, contents: string, isRoot?: boolean}[]): EntryPointBundle {
const src = makeTestBundleProgram(files);
const dts = dtsFiles ? makeTestBundleProgram(dtsFiles) : null;
const isFlatCore = isCore && src.r3SymbolsFile === null;
return {format, rootDirs: [AbsoluteFsPath.fromUnchecked('/')], src, dts, isCore, isFlatCore};
}
/**
* Create a bundle program for testing.
* @param files The source files of the bundle program.
*/
export function makeTestBundleProgram(files: {name: string, contents: string}[]): BundleProgram {
const {program, options, host} = makeTestProgramInternal(...files);
const path = files[0].name;
const file = program.getSourceFile(path) !;
const r3SymbolsInfo = files.find(file => file.name.indexOf('r3_symbols') !== -1) || null;
const r3SymbolsPath = r3SymbolsInfo && r3SymbolsInfo.name;
const r3SymbolsFile = r3SymbolsPath && program.getSourceFile(r3SymbolsPath) || null;
return {program, options, host, path, file, r3SymbolsPath, r3SymbolsFile};
}
function makeTestProgramInternal(
...files: {name: string, contents: string, isRoot?: boolean | undefined}[]): {
program: ts.Program,
host: ts.CompilerHost,
options: ts.CompilerOptions,
} {
return makeProgram([getFakeCore(), getFakeTslib(), ...files], {allowJs: true, checkJs: false});
}
export function makeTestProgram(
...files: {name: string, contents: string, isRoot?: boolean | undefined}[]): ts.Program {
return makeTestProgramInternal(...files).program;
}
// TODO: unify this with the //packages/compiler-cli/test/ngtsc/fake_core package
export function getFakeCore() {
return {
name: 'node_modules/@angular/core/index.ts',
contents: `
type FnWithArg<T> = (arg?: any) => T;
function callableClassDecorator(): FnWithArg<(clazz: any) => any> {
return null !;
}
function callableParamDecorator(): FnWithArg<(a: any, b: any, c: any) => void> {
return null !;
}
function makePropDecorator(): any {
}
export const Component = callableClassDecorator();
export const Directive = callableClassDecorator();
export const Injectable = callableClassDecorator();
export const NgModule = callableClassDecorator();
export const Input = makePropDecorator();
export const Inject = callableParamDecorator();
export const Self = callableParamDecorator();
export const SkipSelf = callableParamDecorator();
export const Optional = callableParamDecorator();
export class InjectionToken {
constructor(name: string) {}
}
export interface ModuleWithProviders<T = any> {}
`
};
}
export function getFakeTslib() {
return {
name: 'node_modules/tslib/index.ts',
contents: `
export function __decorate(decorators: any[], target: any, key?: string | symbol, desc?: any) {}
export function __param(paramIndex: number, decorator: any) {}
export function __metadata(metadataKey: any, metadataValue: any) {}
`
};
}
export function convertToDirectTsLibImport(filesystem: {name: string, contents: string}[]) {
return filesystem.map(file => {
const contents =
file.contents
.replace(
`import * as tslib_1 from 'tslib';`,
`import { __decorate, __metadata, __read, __values, __param, __extends, __assign } from 'tslib';`)
.replace(/tslib_1\./g, '');
return {...file, contents};
});
}