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.make-packages.js
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.make-packages.js
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"use strict";
let pkg = require('./package.json');
let fs = require('fs-extra');
let mkdirp = require('mkdirp');
let path = require('path');
let klawSync = require('klaw-sync');
let licenseTool = require('./tools/add-license-to-file');
let addLicenseToFile = licenseTool.addLicenseToFile;
let addLicenseTextToFile = licenseTool.addLicenseTextToFile;
let makePackages = require('./.make-helpers');
let copySources = makePackages.copySources;
let cleanSourceMapRoot = makePackages.cleanSourceMapRoot;
let bo = null;
// Build Optimizer is not available on Node 4.x. Using a try/catch
// here to make sure the build passes on Travis using Node 4, but
// the NPM distribution will run through build-optimizer.
try {
bo = require('@angular-devkit/build-optimizer');
} catch (e) {}
const ROOT = 'dist/';
const CJS_ROOT = ROOT + 'cjs/';
const ESM5_ROOT = ROOT + 'esm5/';
const ESM2015_ROOT = ROOT + 'esm2015/';
const UMD_ROOT = ROOT + 'global/';
const ESM5_FOR_ROLLUP_ROOT = ROOT + 'esm5_for_rollup/';
const TYPE_ROOT = ROOT + 'typings/';
const PKG_ROOT = ROOT + 'package/';
const CJS_PKG = PKG_ROOT + '';
const ESM5_PKG = PKG_ROOT + '_esm5/';
const ESM2015_PKG = PKG_ROOT + '_esm2015/';
const UMD_PKG = PKG_ROOT + 'bundles/';
const SRC_ROOT_PKG = PKG_ROOT + 'src/';
const TYPE_PKG = PKG_ROOT;
// License info for minified files
let licenseUrl = 'https://github.com/ReactiveX/RxJS/blob/master/LICENSE.txt';
let license = 'Apache License 2.0 ' + licenseUrl;
delete pkg.scripts;
fs.removeSync(PKG_ROOT);
let rootPackageJson = Object.assign({}, pkg, {
name: 'rxjs',
main: './index.js',
typings: './index.d.ts',
module: './_esm5/index.js',
es2015: './_esm2015/index.js'
});
// Execute build optimizer transforms on ESM5 files
klawSync(ESM5_ROOT, {
nodir: true,
filter: function(item) {
return item.path.endsWith('.js');
}
})
.map(item => item.path.slice((`${__dirname}/${ESM5_ROOT}`).length))
.map(fileName => {
if (!bo) return fileName;
let fullPath = path.resolve(__dirname, ESM5_ROOT, fileName);
// The file won't exist when running build_test as we don't create the ESM5 sources
if (!fs.existsSync(fullPath)) return fileName;
let content = fs.readFileSync(fullPath).toString();
let transformed = bo.transformJavascript({
content: content,
getTransforms: [bo.getPrefixClassesTransformer, bo.getPrefixFunctionsTransformer, bo.getFoldFileTransformer]
});
fs.writeFileSync(fullPath, transformed.content);
return fileName;
});
// Make the distribution folder
mkdirp.sync(PKG_ROOT);
// Copy over the sources
copySources('src/', SRC_ROOT_PKG);
copySources(CJS_ROOT, CJS_PKG);
// Clean up the source maps for CJS sources
cleanSourceMapRoot(PKG_ROOT, SRC_ROOT_PKG);
fs.copySync(TYPE_ROOT, TYPE_PKG);
copySources(ESM5_ROOT, ESM5_PKG, true);
cleanSourceMapRoot(ESM5_PKG, SRC_ROOT_PKG);
copySources(ESM2015_ROOT, ESM2015_PKG, true);
cleanSourceMapRoot(ESM2015_PKG, SRC_ROOT_PKG);
// Copy over tsconfig.json for bazel build support
fs.copySync('./tsconfig.base.json', PKG_ROOT + 'src/tsconfig.json');
fs.writeJsonSync(PKG_ROOT + 'package.json', rootPackageJson, {spaces: 2});
fs.copySync('src/operators/package.json', PKG_ROOT + '/operators/package.json');
fs.copySync('src/ajax/package.json', PKG_ROOT + '/ajax/package.json');
fs.copySync('src/fetch/package.json', PKG_ROOT + '/fetch/package.json');
fs.copySync('src/webSocket/package.json', PKG_ROOT + '/webSocket/package.json');
fs.copySync('src/testing/package.json', PKG_ROOT + '/testing/package.json');
if (fs.existsSync(UMD_ROOT)) {
fs.copySync(UMD_ROOT, UMD_PKG);
// Clean up source map paths so they can be re-mapped
klawSync(UMD_PKG, {filter: (item) => item.path.endsWith('.js.map')})
.map(f => f.path)
.forEach(fName => {
const sourceMap = fs.readJsonSync(fName);
sourceMap.sources = sourceMap.sources.map(s => {
const nm = 'node_modules/';
const rr = path.resolve(ESM5_FOR_ROLLUP_ROOT);
if (s.includes(nm)) {
return s.substring(s.indexOf(nm) + nm.length);
} else if (s.includes(rr)) {
return s.substring(s.indexOf(rr) + rr.length);
}
return s;
});
fs.writeJsonSync(fName, sourceMap);
});
// Add licenses to tops of bundles
addLicenseToFile('LICENSE.txt', UMD_PKG + 'rxjs.umd.js');
addLicenseTextToFile(license, UMD_PKG + 'rxjs.umd.min.js');
addLicenseToFile('LICENSE.txt', UMD_PKG + 'rxjs.umd.js');
addLicenseTextToFile(license, UMD_PKG + 'rxjs.umd.min.js');
cleanSourceMapRoot(UMD_PKG, PKG_ROOT);
}
// remove umd.js/umd.d.ts files that are only needed for creation of the umd bundle
fs.removeSync(CJS_PKG + '/internal/umd.js');
fs.removeSync(CJS_PKG + '/internal/umd.js.map');
fs.removeSync(ESM5_PKG + '/internal/umd.js');
fs.removeSync(ESM5_PKG + '/internal/umd.js.map');
fs.removeSync(ESM2015_PKG + '/internal/umd.js');
fs.removeSync(ESM2015_PKG + '/internal/umd.js.map');
fs.removeSync(TYPE_PKG + '/internal/umd.d.ts');