2018-07-10 21:00:30 +02:00
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// @ts-check
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2019-01-28 06:56:56 +01:00
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/// <reference path="../types/ambient.d.ts" />
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2018-07-10 21:00:30 +02:00
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const fs = require("fs");
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2019-01-28 06:56:56 +01:00
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const path = require("path");
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const log = require("fancy-log");
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const mkdirp = require("mkdirp");
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const del = require("del");
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const File = require("vinyl");
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const ts = require("../../lib/typescript");
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const { default: chalk } = require("chalk");
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const { spawn } = require("child_process");
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const { CancellationToken, CancelError, Deferred } = require("prex");
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const { Readable, Duplex } = require("stream");
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const isWindows = /^win/.test(process.platform);
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/**
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* Executes the provided command once with the supplied arguments.
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* @param {string} cmd
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* @param {string[]} args
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* @param {ExecOptions} [options]
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*
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* @typedef ExecOptions
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* @property {boolean} [ignoreExitCode]
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* @property {import("prex").CancellationToken} [cancelToken]
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* @property {boolean} [hidePrompt]
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2019-08-06 01:53:21 +02:00
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* @property {boolean} [waitForExit=true]
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2019-01-28 06:56:56 +01:00
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*/
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function exec(cmd, args, options = {}) {
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return /**@type {Promise<{exitCode: number}>}*/(new Promise((resolve, reject) => {
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2019-08-06 01:53:21 +02:00
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const { ignoreExitCode, cancelToken = CancellationToken.none, waitForExit = true } = options;
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2019-01-28 06:56:56 +01:00
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cancelToken.throwIfCancellationRequested();
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// TODO (weswig): Update child_process types to add windowsVerbatimArguments to the type definition
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const subshellFlag = isWindows ? "/c" : "-c";
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const command = isWindows ? [possiblyQuote(cmd), ...args] : [`${cmd} ${args.join(" ")}`];
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if (!options.hidePrompt) log(`> ${chalk.green(cmd)} ${args.join(" ")}`);
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2019-08-06 01:53:21 +02:00
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const proc = spawn(isWindows ? "cmd" : "/bin/sh", [subshellFlag, ...command], { stdio: waitForExit ? "inherit" : "ignore", windowsVerbatimArguments: true });
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2019-01-28 06:56:56 +01:00
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const registration = cancelToken.register(() => {
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log(`${chalk.red("killing")} '${chalk.green(cmd)} ${args.join(" ")}'...`);
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proc.kill("SIGINT");
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proc.kill("SIGTERM");
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reject(new CancelError());
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});
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2019-08-06 01:53:21 +02:00
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if (waitForExit) {
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proc.on("exit", exitCode => {
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registration.unregister();
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if (exitCode === 0 || ignoreExitCode) {
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resolve({ exitCode });
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}
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else {
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reject(new Error(`Process exited with code: ${exitCode}`));
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}
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});
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proc.on("error", error => {
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registration.unregister();
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reject(error);
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});
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}
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else {
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proc.unref();
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// wait a short period in order to allow the process to start successfully before Node exits.
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setTimeout(() => resolve({ exitCode: undefined }), 100);
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}
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2019-01-28 06:56:56 +01:00
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}));
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}
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exports.exec = exec;
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/**
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* @param {string} cmd
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*/
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function possiblyQuote(cmd) {
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return cmd.indexOf(" ") >= 0 ? `"${cmd}"` : cmd;
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}
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/**
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* @param {ts.Diagnostic[]} diagnostics
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* @param {{ cwd?: string, pretty?: boolean }} [options]
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*/
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function formatDiagnostics(diagnostics, options) {
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return options && options.pretty
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? ts.formatDiagnosticsWithColorAndContext(diagnostics, getFormatDiagnosticsHost(options && options.cwd))
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: ts.formatDiagnostics(diagnostics, getFormatDiagnosticsHost(options && options.cwd));
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}
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exports.formatDiagnostics = formatDiagnostics;
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/**
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* @param {ts.Diagnostic[]} diagnostics
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* @param {{ cwd?: string }} [options]
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*/
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function reportDiagnostics(diagnostics, options) {
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log(formatDiagnostics(diagnostics, { cwd: options && options.cwd, pretty: process.stdout.isTTY }));
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}
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exports.reportDiagnostics = reportDiagnostics;
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/**
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* @param {string | undefined} cwd
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* @returns {ts.FormatDiagnosticsHost}
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*/
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function getFormatDiagnosticsHost(cwd) {
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return {
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getCanonicalFileName: fileName => fileName,
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getCurrentDirectory: () => cwd,
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getNewLine: () => ts.sys.newLine,
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};
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}
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exports.getFormatDiagnosticsHost = getFormatDiagnosticsHost;
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/**
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* Reads JSON data with optional comments using the LKG TypeScript compiler
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* @param {string} jsonPath
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*/
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function readJson(jsonPath) {
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const jsonText = fs.readFileSync(jsonPath, "utf8");
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const result = ts.parseConfigFileTextToJson(jsonPath, jsonText);
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if (result.error) {
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reportDiagnostics([result.error]);
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throw new Error("An error occurred during parse.");
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}
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return result.config;
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}
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exports.readJson = readJson;
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2018-07-10 21:00:30 +02:00
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/**
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* @param {File} file
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*/
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function streamFromFile(file) {
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return file.isBuffer() ? streamFromBuffer(file.contents) :
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file.isStream() ? file.contents :
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fs.createReadStream(file.path, { autoClose: true });
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}
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exports.streamFromFile = streamFromFile;
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/**
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* @param {Buffer} buffer
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*/
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function streamFromBuffer(buffer) {
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return new Readable({
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read() {
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this.push(buffer);
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this.push(null);
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}
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});
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}
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2019-01-28 06:56:56 +01:00
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exports.streamFromBuffer = streamFromBuffer;
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/**
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* @param {string | string[]} source
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* @param {string | string[]} dest
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* @returns {boolean}
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*/
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function needsUpdate(source, dest) {
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if (typeof source === "string" && typeof dest === "string") {
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if (fs.existsSync(dest)) {
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const {mtime: outTime} = fs.statSync(dest);
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const {mtime: inTime} = fs.statSync(source);
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if (+inTime <= +outTime) {
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return false;
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}
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}
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}
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else if (typeof source === "string" && typeof dest !== "string") {
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const {mtime: inTime} = fs.statSync(source);
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for (const filepath of dest) {
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if (fs.existsSync(filepath)) {
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const {mtime: outTime} = fs.statSync(filepath);
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if (+inTime > +outTime) {
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return true;
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}
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}
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else {
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return true;
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}
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}
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return false;
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}
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else if (typeof source !== "string" && typeof dest === "string") {
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if (fs.existsSync(dest)) {
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const {mtime: outTime} = fs.statSync(dest);
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for (const filepath of source) {
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if (fs.existsSync(filepath)) {
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const {mtime: inTime} = fs.statSync(filepath);
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if (+inTime > +outTime) {
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return true;
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}
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}
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else {
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return true;
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}
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}
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return false;
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}
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}
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else if (typeof source !== "string" && typeof dest !== "string") {
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for (let i = 0; i < source.length; i++) {
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if (!dest[i]) {
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continue;
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}
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if (fs.existsSync(dest[i])) {
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const {mtime: outTime} = fs.statSync(dest[i]);
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const {mtime: inTime} = fs.statSync(source[i]);
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if (+inTime > +outTime) {
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return true;
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}
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}
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else {
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return true;
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}
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}
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return false;
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}
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return true;
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}
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exports.needsUpdate = needsUpdate;
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function getDiffTool() {
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const program = process.env.DIFF;
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if (!program) {
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log.warn("Add the 'DIFF' environment variable to the path of the program you want to use.");
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process.exit(1);
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}
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return program;
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}
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exports.getDiffTool = getDiffTool;
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/**
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* Find the size of a directory recursively.
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* Symbolic links can cause a loop.
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* @param {string} root
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* @returns {number} bytes
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*/
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function getDirSize(root) {
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const stats = fs.lstatSync(root);
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if (!stats.isDirectory()) {
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return stats.size;
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}
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return fs.readdirSync(root)
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.map(file => getDirSize(path.join(root, file)))
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.reduce((acc, num) => acc + num, 0);
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}
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exports.getDirSize = getDirSize;
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/**
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* Flattens a project with project references into a single project.
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* @param {string} projectSpec The path to a tsconfig.json file or its containing directory.
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* @param {string} flattenedProjectSpec The output path for the flattened tsconfig.json file.
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* @param {FlattenOptions} [options] Options used to flatten a project hierarchy.
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*
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* @typedef FlattenOptions
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* @property {string} [cwd] The path to use for the current working directory. Defaults to `process.cwd()`.
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* @property {import("../../lib/typescript").CompilerOptions} [compilerOptions] Compiler option overrides.
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* @property {boolean} [force] Forces creation of the output project.
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* @property {string[]} [exclude] Files to exclude (relative to `cwd`)
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*/
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function flatten(projectSpec, flattenedProjectSpec, options = {}) {
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const cwd = normalizeSlashes(options.cwd ? path.resolve(options.cwd) : process.cwd());
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const files = [];
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const resolvedOutputSpec = path.resolve(cwd, flattenedProjectSpec);
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const resolvedOutputDirectory = path.dirname(resolvedOutputSpec);
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const resolvedProjectSpec = resolveProjectSpec(projectSpec, cwd, undefined);
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const project = readJson(resolvedProjectSpec);
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const skipProjects = /**@type {Set<string>}*/(new Set());
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const skipFiles = new Set(options && options.exclude && options.exclude.map(file => normalizeSlashes(path.resolve(cwd, file))));
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recur(resolvedProjectSpec, project);
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if (options.force || needsUpdate(files, resolvedOutputSpec)) {
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const config = {
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extends: normalizeSlashes(path.relative(resolvedOutputDirectory, resolvedProjectSpec)),
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compilerOptions: options.compilerOptions || {},
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files: files.map(file => normalizeSlashes(path.relative(resolvedOutputDirectory, file)))
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};
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mkdirp.sync(resolvedOutputDirectory);
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fs.writeFileSync(resolvedOutputSpec, JSON.stringify(config, undefined, 2), "utf8");
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}
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/**
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* @param {string} projectSpec
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* @param {object} project
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*/
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function recur(projectSpec, project) {
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if (skipProjects.has(projectSpec)) return;
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skipProjects.add(project);
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if (project.references) {
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for (const ref of project.references) {
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const referencedSpec = resolveProjectSpec(ref.path, cwd, projectSpec);
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const referencedProject = readJson(referencedSpec);
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recur(referencedSpec, referencedProject);
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}
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}
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if (project.include) {
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throw new Error("Flattened project may not have an 'include' list.");
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}
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if (!project.files) {
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throw new Error("Flattened project must have an explicit 'files' list.");
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}
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const projectDirectory = path.dirname(projectSpec);
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for (let file of project.files) {
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file = normalizeSlashes(path.resolve(projectDirectory, file));
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if (skipFiles.has(file)) continue;
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skipFiles.add(file);
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files.push(file);
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}
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}
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}
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exports.flatten = flatten;
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/**
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* @param {string} file
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*/
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function normalizeSlashes(file) {
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return file.replace(/\\/g, "/");
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}
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/**
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* @param {string} projectSpec
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* @param {string} cwd
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* @param {string | undefined} referrer
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* @returns {string}
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*/
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function resolveProjectSpec(projectSpec, cwd, referrer) {
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let projectPath = normalizeSlashes(path.resolve(cwd, referrer ? path.dirname(referrer) : "", projectSpec));
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const stats = fs.statSync(projectPath);
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if (stats.isFile()) return normalizeSlashes(projectPath);
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return normalizeSlashes(path.resolve(cwd, projectPath, "tsconfig.json"));
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}
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/**
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* @param {string | ((file: File) => string) | { cwd?: string }} [dest]
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* @param {{ cwd?: string }} [opts]
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*/
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function rm(dest, opts) {
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if (dest && typeof dest === "object") opts = dest, dest = undefined;
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let failed = false;
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const cwd = path.resolve(opts && opts.cwd || process.cwd());
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/** @type {{ file: File, deleted: boolean, promise: Promise<any>, cb: Function }[]} */
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const pending = [];
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const processDeleted = () => {
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if (failed) return;
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while (pending.length && pending[0].deleted) {
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const { file, cb } = pending.shift();
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duplex.push(file);
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cb();
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}
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};
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const duplex = new Duplex({
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objectMode: true,
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/**
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* @param {string|Buffer|File} file
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*/
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write(file, _, cb) {
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if (failed) return;
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if (typeof file === "string" || Buffer.isBuffer(file)) return cb(new Error("Only Vinyl files are supported."));
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const basePath = typeof dest === "string" ? path.resolve(cwd, dest) :
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typeof dest === "function" ? path.resolve(cwd, dest(file)) :
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file.base;
|
|
|
|
const filePath = path.resolve(basePath, file.relative);
|
|
|
|
file.cwd = cwd;
|
|
|
|
file.base = basePath;
|
|
|
|
file.path = filePath;
|
|
|
|
const entry = {
|
|
|
|
file,
|
|
|
|
deleted: false,
|
|
|
|
cb,
|
|
|
|
promise: del(file.path).then(() => {
|
|
|
|
entry.deleted = true;
|
|
|
|
processDeleted();
|
|
|
|
}, err => {
|
|
|
|
failed = true;
|
|
|
|
pending.length = 0;
|
|
|
|
cb(err);
|
|
|
|
})
|
|
|
|
};
|
|
|
|
pending.push(entry);
|
|
|
|
},
|
|
|
|
final(cb) {
|
2019-02-26 01:18:03 +01:00
|
|
|
const endThenCb = () => (duplex.push(null), cb()); // signal end of read queue
|
2019-01-28 06:56:56 +01:00
|
|
|
processDeleted();
|
|
|
|
if (pending.length) {
|
|
|
|
Promise
|
|
|
|
.all(pending.map(entry => entry.promise))
|
|
|
|
.then(() => processDeleted())
|
2019-02-26 01:18:03 +01:00
|
|
|
.then(() => endThenCb(), endThenCb);
|
2019-01-28 06:56:56 +01:00
|
|
|
return;
|
|
|
|
}
|
2019-02-26 01:18:03 +01:00
|
|
|
endThenCb();
|
2019-01-28 06:56:56 +01:00
|
|
|
},
|
|
|
|
read() {
|
|
|
|
}
|
|
|
|
});
|
|
|
|
return duplex;
|
|
|
|
}
|
|
|
|
exports.rm = rm;
|
|
|
|
|
|
|
|
class Debouncer {
|
|
|
|
/**
|
|
|
|
* @param {number} timeout
|
|
|
|
* @param {() => Promise<any>} action
|
|
|
|
*/
|
|
|
|
constructor(timeout, action) {
|
|
|
|
this._timeout = timeout;
|
|
|
|
this._action = action;
|
|
|
|
}
|
|
|
|
|
|
|
|
enqueue() {
|
|
|
|
if (this._timer) {
|
|
|
|
clearTimeout(this._timer);
|
|
|
|
this._timer = undefined;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!this._deferred) {
|
|
|
|
this._deferred = new Deferred();
|
|
|
|
}
|
|
|
|
|
|
|
|
this._timer = setTimeout(() => this.run(), 100);
|
|
|
|
return this._deferred.promise;
|
|
|
|
}
|
|
|
|
|
|
|
|
run() {
|
|
|
|
if (this._timer) {
|
|
|
|
clearTimeout(this._timer);
|
|
|
|
this._timer = undefined;
|
|
|
|
}
|
|
|
|
|
|
|
|
const deferred = this._deferred;
|
|
|
|
this._deferred = undefined;
|
|
|
|
this._projects = undefined;
|
|
|
|
try {
|
|
|
|
deferred.resolve(this._action());
|
|
|
|
}
|
|
|
|
catch (e) {
|
|
|
|
deferred.reject(e);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
exports.Debouncer = Debouncer;
|