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typescript-task.js
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typescript-task.js
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
const {
targetDir,
tsconfigName,
observableFromStreams,
shouldRunInChildProcess,
spawnGulpCommandInChildProcess,
} = require('./util');
const gulp = require('gulp');
const path = require('path');
const ts = require(`gulp-typescript`);
const sourcemaps = require('gulp-sourcemaps');
const { memoizeTask } = require('./memoize-task');
const { Observable, ReplaySubject } = require('rxjs');
const typescriptTask = ((cache) => memoizeTask(cache, function typescript(target, format) {
if (shouldRunInChildProcess(target, format)) {
return spawnGulpCommandInChildProcess('compile', target, format);
}
const out = targetDir(target, format);
const tsconfigPath = path.join(`tsconfig`, `tsconfig.${tsconfigName(target, format)}.json`);
return compileTypescript(out, tsconfigPath)
.merge(compileBinFiles(target, format)).takeLast(1)
.publish(new ReplaySubject()).refCount();
}))({});
function compileBinFiles(target, format) {
const out = targetDir(target, format);
const tsconfigPath = path.join(`tsconfig`, `tsconfig.${tsconfigName('bin', 'cjs')}.json`);
return compileTypescript(path.join(out, 'bin'), tsconfigPath, { target });
}
function compileTypescript(out, tsconfigPath, tsconfigOverrides) {
const tsProject = ts.createProject(tsconfigPath, { typescript: require(`typescript`), ...tsconfigOverrides });
const { stream: { js, dts } } = observableFromStreams(
tsProject.src(), sourcemaps.init(),
tsProject(ts.reporter.defaultReporter())
);
const writeDTypes = observableFromStreams(dts, gulp.dest(out));
const mapFile = tsProject.options.module === 5 ? esmMapFile : cjsMapFile;
const writeJS = observableFromStreams(js, sourcemaps.write('./', { mapFile }), gulp.dest(out));
return Observable.forkJoin(writeDTypes, writeJS);
}
function cjsMapFile(mapFilePath) { return mapFilePath; }
function esmMapFile(mapFilePath) { return mapFilePath.replace('.js.map', '.mjs.map'); }
module.exports = typescriptTask;
module.exports.typescriptTask = typescriptTask;
module.exports.compileBinFiles = compileBinFiles;