mirror of
https://github.com/angular/angular
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d1ea1f4c7f
Update the license headers throughout the repository to reference Google LLC rather than Google Inc, for the required license headers. PR Close #37205
87 lines
3.7 KiB
TypeScript
87 lines
3.7 KiB
TypeScript
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/**
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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 * as ts from 'typescript';
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import {replaceTsWithNgInErrors} from '../../../src/ngtsc/diagnostics';
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import {FileSystem} from '../../../src/ngtsc/file_system';
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import {ParsedConfiguration} from '../../../src/perform_compile';
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import {Logger} from '../logging/logger';
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import {getEntryPointFormat} from '../packages/entry_point';
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import {makeEntryPointBundle} from '../packages/entry_point_bundle';
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import {PathMappings} from '../path_mappings';
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import {FileWriter} from '../writing/file_writer';
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import {CreateCompileFn} from './api';
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import {Task, TaskProcessingOutcome} from './tasks/api';
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/**
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* The function for creating the `compile()` function.
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*/
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export function getCreateCompileFn(
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fileSystem: FileSystem, logger: Logger, fileWriter: FileWriter,
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enableI18nLegacyMessageIdFormat: boolean, tsConfig: ParsedConfiguration|null,
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pathMappings: PathMappings|undefined): CreateCompileFn {
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return (beforeWritingFiles, onTaskCompleted) => {
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const {Transformer} = require('../packages/transformer');
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const transformer = new Transformer(fileSystem, logger, tsConfig);
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return (task: Task) => {
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const {entryPoint, formatProperty, formatPropertiesToMarkAsProcessed, processDts} = task;
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const isCore = entryPoint.name === '@angular/core'; // Are we compiling the Angular core?
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const packageJson = entryPoint.packageJson;
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const formatPath = packageJson[formatProperty];
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const format = getEntryPointFormat(fileSystem, entryPoint, formatProperty);
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// All properties listed in `propertiesToProcess` are guaranteed to point to a format-path
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// (i.e. they are defined in `entryPoint.packageJson`). Furthermore, they are also guaranteed
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// to be among `SUPPORTED_FORMAT_PROPERTIES`.
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// Based on the above, `formatPath` should always be defined and `getEntryPointFormat()`
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// should always return a format here (and not `undefined`).
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if (!formatPath || !format) {
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// This should never happen.
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throw new Error(
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`Invariant violated: No format-path or format for ${entryPoint.path} : ` +
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`${formatProperty} (formatPath: ${formatPath} | format: ${format})`);
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}
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logger.info(`Compiling ${entryPoint.name} : ${formatProperty} as ${format}`);
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const bundle = makeEntryPointBundle(
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fileSystem, entryPoint, formatPath, isCore, format, processDts, pathMappings, true,
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enableI18nLegacyMessageIdFormat);
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const result = transformer.transform(bundle);
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if (result.success) {
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if (result.diagnostics.length > 0) {
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logger.warn(replaceTsWithNgInErrors(
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ts.formatDiagnosticsWithColorAndContext(result.diagnostics, bundle.src.host)));
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}
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const writeBundle = () => {
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fileWriter.writeBundle(
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bundle, result.transformedFiles, formatPropertiesToMarkAsProcessed);
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logger.debug(` Successfully compiled ${entryPoint.name} : ${formatProperty}`);
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onTaskCompleted(task, TaskProcessingOutcome.Processed, null);
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};
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const beforeWritingResult = beforeWritingFiles(result.transformedFiles);
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return (beforeWritingResult instanceof Promise) ?
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beforeWritingResult.then(writeBundle) as ReturnType<typeof beforeWritingFiles>:
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writeBundle();
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} else {
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const errors = replaceTsWithNgInErrors(
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ts.formatDiagnosticsWithColorAndContext(result.diagnostics, bundle.src.host));
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onTaskCompleted(task, TaskProcessingOutcome.Failed, `compilation errors:\n${errors}`);
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}
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};
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};
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}
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