vscode/build/lib/util.js
mxwj 018ff30de3
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2024-11-15 14:29:18 +08:00

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JavaScript

"use strict";
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.incremental = incremental;
exports.debounce = debounce;
exports.fixWin32DirectoryPermissions = fixWin32DirectoryPermissions;
exports.setExecutableBit = setExecutableBit;
exports.toFileUri = toFileUri;
exports.skipDirectories = skipDirectories;
exports.cleanNodeModules = cleanNodeModules;
exports.loadSourcemaps = loadSourcemaps;
exports.stripSourceMappingURL = stripSourceMappingURL;
exports.$if = $if;
exports.appendOwnPathSourceURL = appendOwnPathSourceURL;
exports.rewriteSourceMappingURL = rewriteSourceMappingURL;
exports.rimraf = rimraf;
exports.rreddir = rreddir;
exports.ensureDir = ensureDir;
exports.rebase = rebase;
exports.filter = filter;
exports.streamToPromise = streamToPromise;
exports.getElectronVersion = getElectronVersion;
const es = require("event-stream");
const _debounce = require("debounce");
const _filter = require("gulp-filter");
const rename = require("gulp-rename");
const path = require("path");
const fs = require("fs");
const _rimraf = require("rimraf");
const url_1 = require("url");
const ternaryStream = require("ternary-stream");
const root = path.dirname(path.dirname(__dirname));
const NoCancellationToken = { isCancellationRequested: () => false };
function incremental(streamProvider, initial, supportsCancellation) {
const input = es.through();
const output = es.through();
let state = 'idle';
let buffer = Object.create(null);
const token = !supportsCancellation ? undefined : { isCancellationRequested: () => Object.keys(buffer).length > 0 };
const run = (input, isCancellable) => {
state = 'running';
const stream = !supportsCancellation ? streamProvider() : streamProvider(isCancellable ? token : NoCancellationToken);
input
.pipe(stream)
.pipe(es.through(undefined, () => {
state = 'idle';
eventuallyRun();
}))
.pipe(output);
};
if (initial) {
run(initial, false);
}
const eventuallyRun = _debounce(() => {
const paths = Object.keys(buffer);
if (paths.length === 0) {
return;
}
const data = paths.map(path => buffer[path]);
buffer = Object.create(null);
run(es.readArray(data), true);
}, 500);
input.on('data', (f) => {
buffer[f.path] = f;
if (state === 'idle') {
eventuallyRun();
}
});
return es.duplex(input, output);
}
function debounce(task, duration = 500) {
const input = es.through();
const output = es.through();
let state = 'idle';
const run = () => {
state = 'running';
task()
.pipe(es.through(undefined, () => {
const shouldRunAgain = state === 'stale';
state = 'idle';
if (shouldRunAgain) {
eventuallyRun();
}
}))
.pipe(output);
};
run();
const eventuallyRun = _debounce(() => run(), duration);
input.on('data', () => {
if (state === 'idle') {
eventuallyRun();
}
else {
state = 'stale';
}
});
return es.duplex(input, output);
}
function fixWin32DirectoryPermissions() {
if (!/win32/.test(process.platform)) {
return es.through();
}
return es.mapSync(f => {
if (f.stat && f.stat.isDirectory && f.stat.isDirectory()) {
f.stat.mode = 16877;
}
return f;
});
}
function setExecutableBit(pattern) {
const setBit = es.mapSync(f => {
if (!f.stat) {
f.stat = { isFile() { return true; } };
}
f.stat.mode = /* 100755 */ 33261;
return f;
});
if (!pattern) {
return setBit;
}
const input = es.through();
const filter = _filter(pattern, { restore: true });
const output = input
.pipe(filter)
.pipe(setBit)
.pipe(filter.restore);
return es.duplex(input, output);
}
function toFileUri(filePath) {
const match = filePath.match(/^([a-z])\:(.*)$/i);
if (match) {
filePath = '/' + match[1].toUpperCase() + ':' + match[2];
}
return 'file://' + filePath.replace(/\\/g, '/');
}
function skipDirectories() {
return es.mapSync(f => {
if (!f.isDirectory()) {
return f;
}
});
}
function cleanNodeModules(rulePath) {
const rules = fs.readFileSync(rulePath, 'utf8')
.split(/\r?\n/g)
.map(line => line.trim())
.filter(line => line && !/^#/.test(line));
const excludes = rules.filter(line => !/^!/.test(line)).map(line => `!**/node_modules/${line}`);
const includes = rules.filter(line => /^!/.test(line)).map(line => `**/node_modules/${line.substr(1)}`);
const input = es.through();
const output = es.merge(input.pipe(_filter(['**', ...excludes])), input.pipe(_filter(includes)));
return es.duplex(input, output);
}
function loadSourcemaps() {
const input = es.through();
const output = input
.pipe(es.map((f, cb) => {
if (f.sourceMap) {
cb(undefined, f);
return;
}
if (!f.contents) {
cb(undefined, f);
return;
}
const contents = f.contents.toString('utf8');
const reg = /\/\/# sourceMappingURL=(.*)$/g;
let lastMatch = null;
let match = null;
while (match = reg.exec(contents)) {
lastMatch = match;
}
if (!lastMatch) {
f.sourceMap = {
version: '3',
names: [],
mappings: '',
sources: [f.relative.replace(/\\/g, '/')],
sourcesContent: [contents]
};
cb(undefined, f);
return;
}
f.contents = Buffer.from(contents.replace(/\/\/# sourceMappingURL=(.*)$/g, ''), 'utf8');
fs.readFile(path.join(path.dirname(f.path), lastMatch[1]), 'utf8', (err, contents) => {
if (err) {
return cb(err);
}
f.sourceMap = JSON.parse(contents);
cb(undefined, f);
});
}));
return es.duplex(input, output);
}
function stripSourceMappingURL() {
const input = es.through();
const output = input
.pipe(es.mapSync(f => {
const contents = f.contents.toString('utf8');
f.contents = Buffer.from(contents.replace(/\n\/\/# sourceMappingURL=(.*)$/gm, ''), 'utf8');
return f;
}));
return es.duplex(input, output);
}
/** Splits items in the stream based on the predicate, sending them to onTrue if true, or onFalse otherwise */
function $if(test, onTrue, onFalse = es.through()) {
if (typeof test === 'boolean') {
return test ? onTrue : onFalse;
}
return ternaryStream(test, onTrue, onFalse);
}
/** Operator that appends the js files' original path a sourceURL, so debug locations map */
function appendOwnPathSourceURL() {
const input = es.through();
const output = input
.pipe(es.mapSync(f => {
if (!(f.contents instanceof Buffer)) {
throw new Error(`contents of ${f.path} are not a buffer`);
}
f.contents = Buffer.concat([f.contents, Buffer.from(`\n//# sourceURL=${(0, url_1.pathToFileURL)(f.path)}`)]);
return f;
}));
return es.duplex(input, output);
}
function rewriteSourceMappingURL(sourceMappingURLBase) {
const input = es.through();
const output = input
.pipe(es.mapSync(f => {
const contents = f.contents.toString('utf8');
const str = `//# sourceMappingURL=${sourceMappingURLBase}/${path.dirname(f.relative).replace(/\\/g, '/')}/$1`;
f.contents = Buffer.from(contents.replace(/\n\/\/# sourceMappingURL=(.*)$/gm, str));
return f;
}));
return es.duplex(input, output);
}
function rimraf(dir) {
const result = () => new Promise((c, e) => {
let retries = 0;
const retry = () => {
_rimraf(dir, { maxBusyTries: 1 }, (err) => {
if (!err) {
return c();
}
if (err.code === 'ENOTEMPTY' && ++retries < 5) {
return setTimeout(() => retry(), 10);
}
return e(err);
});
};
retry();
});
result.taskName = `clean-${path.basename(dir).toLowerCase()}`;
return result;
}
function _rreaddir(dirPath, prepend, result) {
const entries = fs.readdirSync(dirPath, { withFileTypes: true });
for (const entry of entries) {
if (entry.isDirectory()) {
_rreaddir(path.join(dirPath, entry.name), `${prepend}/${entry.name}`, result);
}
else {
result.push(`${prepend}/${entry.name}`);
}
}
}
function rreddir(dirPath) {
const result = [];
_rreaddir(dirPath, '', result);
return result;
}
function ensureDir(dirPath) {
if (fs.existsSync(dirPath)) {
return;
}
ensureDir(path.dirname(dirPath));
fs.mkdirSync(dirPath);
}
function rebase(count) {
return rename(f => {
const parts = f.dirname ? f.dirname.split(/[\/\\]/) : [];
f.dirname = parts.slice(count).join(path.sep);
});
}
function filter(fn) {
const result = es.through(function (data) {
if (fn(data)) {
this.emit('data', data);
}
else {
result.restore.push(data);
}
});
result.restore = es.through();
return result;
}
function streamToPromise(stream) {
return new Promise((c, e) => {
stream.on('error', err => e(err));
stream.on('end', () => c());
});
}
function getElectronVersion() {
const npmrc = fs.readFileSync(path.join(root, '.npmrc'), 'utf8');
const electronVersion = /^target="(.*)"$/m.exec(npmrc)[1];
const msBuildId = /^ms_build_id="(.*)"$/m.exec(npmrc)[1];
return { electronVersion, msBuildId };
}
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