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fix(tsc-wrapped): decouple bundle index host from tsickle dependency
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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 | ||
*/ | ||
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// This index allows tsc-wrapped to be used with no dependency on tsickle. | ||
// Short-term workaround until tsc-wrapped is removed entirely. | ||
export {MetadataWriterHost} from './src/compiler_host'; | ||
export {CodegenExtension, UserError, createBundleIndexHost} from './src/main_no_tsickle'; | ||
export {default as AngularCompilerOptions} from './src/options'; | ||
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export * from './src/bundler'; | ||
export * from './src/cli_options'; | ||
export * from './src/collector'; | ||
export * from './src/index_writer'; | ||
export * from './src/schema'; |
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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 | ||
*/ | ||
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import * as path from 'path'; | ||
import * as ts from 'typescript'; | ||
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import {CompilerHostAdapter, MetadataBundler} from './bundler'; | ||
import {CliOptions} from './cli_options'; | ||
import {createSyntheticIndexHost} from './compiler_host'; | ||
import {privateEntriesToIndex} from './index_writer'; | ||
import NgOptions from './options'; | ||
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export {UserError} from './tsc'; | ||
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export interface CodegenExtension { | ||
/** | ||
* Returns the generated file names. | ||
*/ | ||
(ngOptions: NgOptions, cliOptions: CliOptions, program: ts.Program, | ||
host: ts.CompilerHost): Promise<string[]>; | ||
} | ||
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const DTS = /\.d\.ts$/; | ||
const JS_EXT = /(\.js|)$/; | ||
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export function createBundleIndexHost<H extends ts.CompilerHost>( | ||
ngOptions: NgOptions, rootFiles: string[], | ||
host: H): {host: H, indexName?: string, errors?: ts.Diagnostic[]} { | ||
const files = rootFiles.filter(f => !DTS.test(f)); | ||
if (files.length != 1) { | ||
return { | ||
host, | ||
errors: [{ | ||
file: null as any as ts.SourceFile, | ||
start: null as any as number, | ||
length: null as any as number, | ||
messageText: | ||
'Angular compiler option "flatModuleIndex" requires one and only one .ts file in the "files" field.', | ||
category: ts.DiagnosticCategory.Error, | ||
code: 0 | ||
}] | ||
}; | ||
} | ||
const file = files[0]; | ||
const indexModule = file.replace(/\.ts$/, ''); | ||
const bundler = | ||
new MetadataBundler(indexModule, ngOptions.flatModuleId, new CompilerHostAdapter(host)); | ||
const metadataBundle = bundler.getMetadataBundle(); | ||
const metadata = JSON.stringify(metadataBundle.metadata); | ||
const name = | ||
path.join(path.dirname(indexModule), ngOptions.flatModuleOutFile !.replace(JS_EXT, '.ts')); | ||
const libraryIndex = `./${path.basename(indexModule)}`; | ||
const content = privateEntriesToIndex(libraryIndex, metadataBundle.privates); | ||
host = createSyntheticIndexHost(host, {name, content, metadata}); | ||
return {host, indexName: name}; | ||
} |