// This file contains the build logic for the public repo

// @ts-check

/// <reference types="jake" />

const fs = require("fs");

const os = require("os");

const path = require("path");

const fold = require("travis-fold");

const ts = require("./lib/typescript");

const del = require("del");

const getDirSize = require("./scripts/build/getDirSize");

const { base64VLQFormatEncode } = require("./scripts/build/sourcemaps");

const needsUpdate = require("./scripts/build/needsUpdate");

const { flatten } = require("./scripts/build/project");

// add node_modules to path so we don't need global modules, prefer the modules by adding them first

var nodeModulesPathPrefix = path.resolve("./node_modules/.bin/") + path.delimiter;

if (process.env.path !== undefined) {

process.env.path = nodeModulesPathPrefix + process.env.path;

}

else if (process.env.PATH !== undefined) {

process.env.PATH = nodeModulesPathPrefix + process.env.PATH;

}

const host = process.env.TYPESCRIPT_HOST || process.env.host || "node";

const defaultTestTimeout = 40000;

let useDebugMode = true;

const TaskNames = {

local: "local",

runtests: "runtests",

runtestsParallel: "runtests-parallel",

buildRules: "build-rules",

clean: "clean",

lib: "lib",

buildFoldStart: "build-fold-start",

buildFoldEnd: "build-fold-end",

generateDiagnostics: "generate-diagnostics",

coreBuild: "core-build",

tsc: "tsc",

lkg: "LKG",

release: "release",

lssl: "lssl",

lint: "lint",

scripts: "scripts",

localize: "localize",

configureInsiders: "configure-insiders",

publishInsiders: "publish-insiders",

configureNightly: "configure-nightly",

publishNightly: "publish-nightly",

help: "help"

};

const Paths = {};

Paths.lkg = "lib";

Paths.lkgCompiler = "lib/tsc.js";

Paths.built = "built";

Paths.builtLocal = "built/local";

Paths.builtLocalCompiler = "built/local/tsc.js";

Paths.builtLocalTSServer = "built/local/tsserver.js";

Paths.builtLocalRun = "built/local/run.js";

Paths.releaseCompiler = "built/local/tsc.release.js";

Paths.typesMapOutput = "built/local/typesMap.json";

Paths.typescriptFile = "built/local/typescript.js";

Paths.servicesFile = "built/local/typescriptServices.js";

Paths.servicesDefinitionFile = "built/local/typescriptServices.d.ts";

Paths.servicesOutFile = "built/local/typescriptServices.out.js";

Paths.servicesDefinitionOutFile = "built/local/typescriptServices.out.d.ts";

Paths.typescriptDefinitionFile = "built/local/typescript.d.ts";

Paths.typescriptStandaloneDefinitionFile = "built/local/typescript_standalone.d.ts";

Paths.tsserverLibraryFile = "built/local/tsserverlibrary.js";

Paths.tsserverLibraryDefinitionFile = "built/local/tsserverlibrary.d.ts";

Paths.tsserverLibraryOutFile = "built/local/tsserverlibrary.out.js";

Paths.tsserverLibraryDefinitionOutFile = "built/local/tsserverlibrary.out.d.ts";

Paths.baselines = {};

Paths.baselines.local = "tests/baselines/local";

Paths.baselines.localTest262 = "tests/baselines/test262/local";

Paths.baselines.localRwc = "internal/baselines/rwc/local";

Paths.baselines.reference = "tests/baselines/reference";

Paths.baselines.referenceTest262 = "tests/baselines/test262/reference";

Paths.baselines.referenceRwc = "internal/baselines/rwc/reference";

Paths.copyright = "CopyrightNotice.txt";

Paths.thirdParty = "ThirdPartyNoticeText.txt";

Paths.processDiagnosticMessagesJs = "scripts/processDiagnosticMessages.js";

Paths.diagnosticInformationMap = "src/compiler/diagnosticInformationMap.generated.ts";

Paths.diagnosticMessagesJson = "src/compiler/diagnosticMessages.json";

Paths.diagnosticGeneratedJson = "src/compiler/diagnosticMessages.generated.json";

Paths.builtDiagnosticGeneratedJson = "built/local/diagnosticMessages.generated.json";

Paths.lcl = "src/loc/lcl"

Paths.locLcg = "built/local/enu/diagnosticMessages.generated.json.lcg";

Paths.generatedLCGFile = path.join(Paths.builtLocal, "enu", "diagnosticMessages.generated.json.lcg");

Paths.library = "src/lib";

Paths.srcServer = "src/server";

Paths.scripts = {};

Paths.scripts.generateLocalizedDiagnosticMessages = "scripts/generateLocalizedDiagnosticMessages.js";

Paths.scripts.processDiagnosticMessages = "scripts/processDiagnosticMessages.js";

Paths.scripts.produceLKG = "scripts/produceLKG.js";

Paths.scripts.configurePrerelease = "scripts/configurePrerelease.js";

Paths.packageJson = "package.json";

Paths.versionFile = "src/compiler/core.ts";

const ConfigFileFor = {

tsc: "src/tsc",

tscRelease: "src/tsc/tsconfig.release.json",

tsserver: "src/tsserver",

runjs: "src/testRunner",

lint: "scripts/tslint",

scripts: "scripts",

all: "src",

typescriptServices: "built/local/typescriptServices.tsconfig.json",

tsserverLibrary: "built/local/tsserverlibrary.tsconfig.json",

};

const ExpectedLKGFiles = [

"tsc.js",

"tsserver.js",

"typescriptServices.js",

"typescriptServices.d.ts",

"typescript.js",

"typescript.d.ts",

"cancellationToken.js",

"typingsInstaller.js",

"protocol.d.ts",

"watchGuard.js"

];

directory(Paths.builtLocal);

// Local target to build the compiler and services

desc("Builds the full compiler and services");

task(TaskNames.local, [

TaskNames.buildFoldStart,

TaskNames.coreBuild,

Paths.servicesDefinitionFile,

Paths.typescriptFile,

Paths.typescriptDefinitionFile,

Paths.typescriptStandaloneDefinitionFile,

Paths.tsserverLibraryDefinitionFile,

TaskNames.localize,

TaskNames.buildFoldEnd

]);

task("default", [TaskNames.local]);

const RunTestsPrereqs = [TaskNames.lib, Paths.servicesDefinitionFile, Paths.typescriptDefinitionFile, Paths.tsserverLibraryDefinitionFile];

desc("Runs all the tests in parallel using the built run.js file. Optional arguments are: t[ests]=category1|category2|... i[nspect]=true.");

task(TaskNames.runtestsParallel, RunTestsPrereqs, function () {

tsbuild([ConfigFileFor.runjs], true, () => {

runConsoleTests("min", /*parallel*/ true);

});

}, { async: true });

desc("Runs all the tests in parallel using the built run.js file. Optional arguments are: t[ests]=category1|category2|... i[nspect]=true.");

task(TaskNames.runtests, RunTestsPrereqs, function () {

tsbuild([ConfigFileFor.runjs], true, () => {

runConsoleTests('mocha-fivemat-progress-reporter', /*runInParallel*/ false);

});

}, { async: true });

desc("Generates a diagnostic file in TypeScript based on an input JSON file");

task(TaskNames.generateDiagnostics, [Paths.diagnosticInformationMap]);

const libraryTargets = getLibraryTargets();

desc("Builds the library targets");

task(TaskNames.lib, libraryTargets);

desc("Builds internal scripts");

task(TaskNames.scripts, [TaskNames.coreBuild], function() {

tsbuild([ConfigFileFor.scripts], true, () => {

complete();

});

}, { async: true });

task(Paths.releaseCompiler, function () {

tsbuild([ConfigFileFor.tscRelease], true, () => {

complete();

});

}, { async: true });

// Makes a new LKG. This target does not build anything, but errors if not all the outputs are present in the built/local directory

desc("Makes a new LKG out of the built js files");

task(TaskNames.lkg, [

TaskNames.scripts,

TaskNames.release,

TaskNames.local,

Paths.servicesDefinitionFile,

Paths.typescriptFile,

Paths.typescriptDefinitionFile,

Paths.typescriptStandaloneDefinitionFile,

Paths.tsserverLibraryDefinitionFile,

Paths.releaseCompiler,

...libraryTargets

], () => {

const sizeBefore = getDirSize(Paths.lkg);

exec(`${host} ${Paths.scripts.produceLKG}`, () => {

const sizeAfter = getDirSize(Paths.lkg);

if (sizeAfter > (sizeBefore * 1.10)) {

throw new Error("The lib folder increased by 10% or more. This likely indicates a bug.");

}

complete();

});

}, { async: true });

desc("Makes the most recent test results the new baseline, overwriting the old baseline");

task("baseline-accept", function () {

acceptBaseline(Paths.baselines.local, Paths.baselines.reference);

});

desc("Makes the most recent rwc test results the new baseline, overwriting the old baseline");

task("baseline-accept-rwc", function () {

acceptBaseline(Paths.baselines.localRwc, Paths.baselines.referenceRwc);

});

desc("Makes the most recent test262 test results the new baseline, overwriting the old baseline");

task("baseline-accept-test262", function () {

acceptBaseline(Paths.baselines.localTest262, Paths.baselines.referenceTest262);

});

desc("Runs tslint on the compiler sources. Optional arguments are: f[iles]=regex");

task(TaskNames.lint, [TaskNames.buildRules], () => {

if (fold.isTravis()) console.log(fold.start("lint"));

function lint(project, cb) {

const fix = process.env.fix || process.env.f;

const cmd = `node node_modules/tslint/bin/tslint --project ${project} --formatters-dir ./built/local/tslint/formatters --format autolinkableStylish${fix ? " --fix" : ""}`;

exec(cmd, cb);

}

lint("scripts/tslint/tsconfig.json", () => lint("src/tsconfig-base.json", () => {

if (fold.isTravis()) console.log(fold.end("lint"));

complete();

}));

}, { async: true });

desc("Diffs the compiler baselines using the diff tool specified by the 'DIFF' environment variable");

task('diff', function () {

var cmd = `"${getDiffTool()}" ${Paths.baselines.reference} ${Paths.baselines.local}`;

exec(cmd);

}, { async: true });

desc("Diffs the RWC baselines using the diff tool specified by the 'DIFF' environment variable");

task('diff-rwc', function () {

var cmd = `"${getDiffTool()}" ${Paths.baselines.referenceRwc} ${Paths.baselines.localRwc}`;

exec(cmd);

}, { async: true });

task(TaskNames.configureNightly, [TaskNames.scripts], function () {

const cmd = `${host} ${Paths.scripts.configurePrerelease} dev ${Paths.packageJson} ${Paths.versionFile}`;

exec(cmd, () => complete());

}, { async: true });

desc("Configure, build, test, and publish the nightly release.");

task(TaskNames.publishNightly, [TaskNames.coreBuild, TaskNames.configureNightly, TaskNames.lkg, "setDebugMode", "runtests-parallel"], function () {

var cmd = "npm publish --tag next";

exec(cmd, () => complete());

}, { async: true });

task(TaskNames.help, function() {

var cmd = "jake --tasks";

exec(cmd, () => complete());

})

task(TaskNames.configureInsiders, [TaskNames.scripts], function () {

const cmd = `${host} ${Paths.scripts.configurePrerelease} insiders ${Paths.packageJson} ${Paths.versionFile}`;

exec(cmd, () => complete());

}, { async: true });

desc("Configure, build, test, and publish the insiders release.");

task(TaskNames.publishInsiders, [TaskNames.coreBuild, TaskNames.configureInsiders, TaskNames.lkg, "setDebugMode", "runtests-parallel"], function () {

var cmd = "npm publish --tag insiders";

exec(cmd, () => complete());

}, { async: true });

desc("Sets the release mode flag");

task("release", function () {

useDebugMode = false;

});

desc("Clears the release mode flag");

task("setDebugMode", function () {

useDebugMode = true;

});

desc("Generates localized diagnostic messages");

task(TaskNames.localize, [Paths.generatedLCGFile]);

desc("Emit the start of the build fold");

task(TaskNames.buildFoldStart, [], function () {

if (fold.isTravis()) console.log(fold.start("build"));

});

desc("Emit the end of the build fold");

task(TaskNames.buildFoldEnd, [], function () {

if (fold.isTravis()) console.log(fold.end("build"));

});

desc("Compiles tslint rules to js");

task(TaskNames.buildRules, [], function () {

tsbuild(ConfigFileFor.lint, false, () => complete());

}, { async: true });

desc("Cleans the compiler output, declare files, and tests");

task(TaskNames.clean, function () {

jake.rmRf(Paths.built);

});

desc("Generates the LCG file for localization");

task("localize", [Paths.generatedLCGFile]);

task(TaskNames.tsc, [Paths.diagnosticInformationMap, TaskNames.lib], function () {

tsbuild(ConfigFileFor.tsc, true, () => {

complete();

});

}, { async: true });

task(TaskNames.coreBuild, [Paths.diagnosticInformationMap, TaskNames.lib], function () {

tsbuild(ConfigFileFor.all, true, () => {

complete();

});

}, { async: true });

file(Paths.diagnosticMessagesJson);

file(Paths.typesMapOutput, /** @type {*} */(function () {

var content = readFileSync(path.join(Paths.srcServer, 'typesMap.json'));

// Validate that it's valid JSON

try {

JSON.parse(content);

} catch (e) {

console.log("Parse error in typesMap.json: " + e);

}

fs.writeFileSync(Paths.typesMapOutput, content);

}));

file(Paths.builtDiagnosticGeneratedJson, [Paths.diagnosticGeneratedJson], function () {

if (fs.existsSync(Paths.builtLocal)) {

jake.cpR(Paths.diagnosticGeneratedJson, Paths.builtDiagnosticGeneratedJson);

}

});

// Localized diagnostics

file(Paths.generatedLCGFile, [TaskNames.scripts, Paths.diagnosticInformationMap, Paths.diagnosticGeneratedJson], function () {

const cmd = `${host} ${Paths.scripts.generateLocalizedDiagnosticMessages} ${Paths.lcl} ${Paths.builtLocal} ${Paths.diagnosticGeneratedJson}`

exec(cmd, complete);

}, { async: true });

// The generated diagnostics map; built for the compiler and for the 'generate-diagnostics' task

file(Paths.diagnosticInformationMap, [Paths.diagnosticMessagesJson], function () {

tsbuild(ConfigFileFor.scripts, true, () => {

const cmd = `${host} ${Paths.scripts.processDiagnosticMessages} ${Paths.diagnosticMessagesJson}`;

exec(cmd, complete);

});

}, { async: true });

file(ConfigFileFor.tsserverLibrary, [], function () {

flatten("src/tsserver/tsconfig.json", ConfigFileFor.tsserverLibrary, {

exclude: ["src/tsserver/server.ts"],

compilerOptions: {

"removeComments": false,

"stripInternal": true,

"declarationMap": false,

"outFile": "tsserverlibrary.out.js"

}

})

});

// tsserverlibrary.js

// tsserverlibrary.d.ts

file(Paths.tsserverLibraryFile, [TaskNames.coreBuild, ConfigFileFor.tsserverLibrary], function() {

tsbuild(ConfigFileFor.tsserverLibrary, false, () => {

if (needsUpdate([Paths.tsserverLibraryOutFile, Paths.tsserverLibraryDefinitionOutFile], [Paths.tsserverLibraryFile, Paths.tsserverLibraryDefinitionFile])) {

const copyright = readFileSync(Paths.copyright);

let libraryDefinitionContent = readFileSync(Paths.tsserverLibraryDefinitionOutFile);

libraryDefinitionContent = copyright + removeConstModifierFromEnumDeclarations(libraryDefinitionContent);

libraryDefinitionContent += "\nexport = ts;\nexport as namespace ts;";

fs.writeFileSync(Paths.tsserverLibraryDefinitionFile, libraryDefinitionContent, "utf8");

let libraryContent = readFileSync(Paths.tsserverLibraryOutFile);

libraryContent = copyright + libraryContent;

fs.writeFileSync(Paths.tsserverLibraryFile, libraryContent, "utf8");

// adjust source map for tsserverlibrary.js

let libraryMapContent = readFileSync(Paths.tsserverLibraryOutFile + ".map");

const map = JSON.parse(libraryMapContent);

const lineStarts = /**@type {*}*/(ts).computeLineStarts(copyright);

let prependMappings = "";

for (let i = 1; i < lineStarts.length; i++) {

prependMappings += ";";

}

const offset = copyright.length - lineStarts[lineStarts.length - 1];

if (offset > 0) {

prependMappings += base64VLQFormatEncode(offset) + ",";

}

const outputMap = {

version: map.version,

file: map.file,

sources: map.sources,

sourceRoot: map.sourceRoot,

mappings: prependMappings + map.mappings,

names: map.names,

sourcesContent: map.sourcesContent

};

libraryMapContent = JSON.stringify(outputMap);

fs.writeFileSync(Paths.tsserverLibraryFile + ".map", libraryMapContent);

}

complete();

});

}, { async: true });

task(Paths.tsserverLibraryDefinitionFile, [Paths.tsserverLibraryFile]);

file(ConfigFileFor.typescriptServices, [], function () {

flatten("src/services/tsconfig.json", ConfigFileFor.typescriptServices, {

compilerOptions: {

"removeComments": false,

"stripInternal": true,

"declarationMap": false,

"outFile": "typescriptServices.out.js"

}

});

});

// typescriptServices.js

// typescriptServices.d.ts

file(Paths.servicesFile, [TaskNames.coreBuild, ConfigFileFor.typescriptServices], function() {

tsbuild(ConfigFileFor.typescriptServices, false, () => {

if (needsUpdate([Paths.servicesOutFile, Paths.servicesDefinitionOutFile], [Paths.servicesFile, Paths.servicesDefinitionFile])) {

const copyright = readFileSync(Paths.copyright);

let servicesDefinitionContent = readFileSync(Paths.servicesDefinitionOutFile);

servicesDefinitionContent = copyright + removeConstModifierFromEnumDeclarations(servicesDefinitionContent);

fs.writeFileSync(Paths.servicesDefinitionFile, servicesDefinitionContent, "utf8");

let servicesContent = readFileSync(Paths.servicesOutFile);

servicesContent = copyright + servicesContent;

fs.writeFileSync(Paths.servicesFile, servicesContent, "utf8");

// adjust source map for typescriptServices.js

let servicesMapContent = readFileSync(Paths.servicesOutFile + ".map");

const map = JSON.parse(servicesMapContent);

const lineStarts = /**@type {*}*/(ts).computeLineStarts(copyright);

let prependMappings = "";

for (let i = 1; i < lineStarts.length; i++) {

prependMappings += ";";

}

const offset = copyright.length - lineStarts[lineStarts.length - 1];

if (offset > 0) {

prependMappings += base64VLQFormatEncode(offset) + ",";

}

const outputMap = {

version: map.version,

file: map.file,

sources: map.sources,

sourceRoot: map.sourceRoot,

mappings: prependMappings + map.mappings,

names: map.names,

sourcesContent: map.sourcesContent

};

servicesMapContent = JSON.stringify(outputMap);

fs.writeFileSync(Paths.servicesFile + ".map", servicesMapContent);

}

complete();

});

}, { async: true });

task(Paths.servicesDefinitionFile, [Paths.servicesFile]);

// typescript.js

// typescript.d.ts

file(Paths.typescriptFile, [Paths.servicesFile], function() {

if (needsUpdate([Paths.servicesFile, Paths.servicesDefinitionFile], [Paths.typescriptFile, Paths.typescriptDefinitionFile])) {

jake.cpR(Paths.servicesFile, Paths.typescriptFile);

if (fs.existsSync(Paths.servicesFile + ".map")) {

jake.cpR(Paths.servicesFile + ".map", Paths.typescriptFile + ".map");

}

const content = readFileSync(Paths.servicesDefinitionFile);

fs.writeFileSync(Paths.typescriptDefinitionFile, content + "\r\nexport = ts;", { encoding: "utf-8" });

}

});

task(Paths.typescriptDefinitionFile, [Paths.typescriptFile]);

// typescript_standalone.d.ts

file(Paths.typescriptStandaloneDefinitionFile, [Paths.servicesDefinitionFile], function() {

if (needsUpdate(Paths.servicesDefinitionFile, Paths.typescriptStandaloneDefinitionFile)) {

const content = readFileSync(Paths.servicesDefinitionFile);

fs.writeFileSync(Paths.typescriptStandaloneDefinitionFile, content.replace(/declare (namespace|module) ts(\..+)? \{/g, 'declare module "typescript" {'), { encoding: "utf-8"});

}

});

function getLibraryTargets() {

/** @type {{ libs: string[], paths?: Record<string, string>, sources?: Record<string, string[]> }} */

const libraries = readJson("./src/lib/libs.json");

return libraries.libs.map(function (lib) {

const relativeSources = ["header.d.ts"].concat(libraries.sources && libraries.sources[lib] || [lib + ".d.ts"]);

const relativeTarget = libraries.paths && libraries.paths[lib] || ("lib." + lib + ".d.ts");

const sources = [Paths.copyright].concat(relativeSources.map(s => path.join(Paths.library, s)));

const target = path.join(Paths.builtLocal, relativeTarget);

file(target, [Paths.builtLocal].concat(sources), function () {

concatenateFiles(target, sources);

});

return target;

});

}

function runConsoleTests(defaultReporter, runInParallel) {

var dirty = process.env.dirty;

if (!dirty) {

cleanTestDirs();

}

let testTimeout = process.env.timeout || defaultTestTimeout;

const inspect = process.env.inspect || process.env["inspect-brk"] || process.env.i;

const runners = process.env.runners || process.env.runner || process.env.ru;

const tests = process.env.test || process.env.tests || process.env.t;

const light = process.env.light === undefined || process.env.light !== "false";

const failed = process.env.failed;

const keepFailed = process.env.keepFailed || failed;

const stackTraceLimit = process.env.stackTraceLimit;

const colorsFlag = process.env.color || process.env.colors;

const colors = colorsFlag !== "false" && colorsFlag !== "0";

const reporter = process.env.reporter || process.env.r || defaultReporter;

const bail = process.env.bail || process.env.b;

const lintFlag = process.env.lint !== 'false';

const testConfigFile = 'test.config';

if (fs.existsSync(testConfigFile)) {

fs.unlinkSync(testConfigFile);

}

let workerCount, taskConfigsFolder;

if (runInParallel) {

// generate name to store task configuration files

const prefix = os.tmpdir() + "/ts-tests";

let i = 1;

do {

taskConfigsFolder = prefix + i;

i++;

} while (fs.existsSync(taskConfigsFolder));

fs.mkdirSync(taskConfigsFolder);

workerCount = process.env.workerCount || process.env.p || os.cpus().length;

}

if (tests && tests.toLocaleLowerCase() === "rwc") {

testTimeout = 800000;

}

if (tests || runners || light || testTimeout || taskConfigsFolder || keepFailed) {

writeTestConfigFile(tests, runners, light, taskConfigsFolder, workerCount, stackTraceLimit, colors, testTimeout, keepFailed);

}

// timeout normally isn't necessary but Travis-CI has been timing out on compiler baselines occasionally

// default timeout is 2sec which really should be enough, but maybe we just need a small amount longer

if (!runInParallel) {

var startTime = Travis.mark();

var args = [];

args.push("-R", "scripts/failed-tests");

args.push("-O", '"reporter=' + reporter + (keepFailed ? ",keepFailed=true" : "") + '"');

if (tests) args.push("-g", `"${tests}"`);

args.push(colors ? "--colors" : "--no-colors");

if (bail) args.push("--bail");

if (inspect) {

args.unshift("--inspect-brk");

} else {

args.push("-t", testTimeout);

}

args.push(Paths.builtLocalRun);

var cmd;

if (failed) {

args.unshift("scripts/run-failed-tests.js");

cmd = host + " " + args.join(" ");

}

else {

cmd = "mocha " + args.join(" ");

}

var savedNodeEnv = process.env.NODE_ENV;

process.env.NODE_ENV = "development";

exec(cmd, function () {

process.env.NODE_ENV = savedNodeEnv;

Travis.measure(startTime);

runLinterAndComplete();

}, function (e, status) {

process.env.NODE_ENV = savedNodeEnv;

Travis.measure(startTime);

finish(status);

});

}

else {

var savedNodeEnv = process.env.NODE_ENV;

process.env.NODE_ENV = "development";

var startTime = Travis.mark();

const cmd = `${host} ${Paths.builtLocalRun}`;

exec(cmd, function () {

// Tests succeeded; run 'lint' task

process.env.NODE_ENV = savedNodeEnv;

Travis.measure(startTime);

runLinterAndComplete();

}, function (e, status) {

// Tests failed

process.env.NODE_ENV = savedNodeEnv;

Travis.measure(startTime);

finish(status);

});

}

function finish(errorStatus) {

deleteTemporaryProjectOutput();

if (errorStatus !== undefined) {

fail("Process exited with code " + errorStatus);

}

else {

complete();

}

}

function runLinterAndComplete() {

if (!lintFlag || dirty) {

return finish();

}

var lint = jake.Task['lint'];

lint.once('complete', function () {

finish();

});

lint.invoke();

}

function deleteTemporaryProjectOutput() {

if (fs.existsSync(path.join(Paths.baselines.local, "projectOutput/"))) {

jake.rmRf(path.join(Paths.baselines.local, "projectOutput/"));

}

}

}

// used to pass data from jake command line directly to run.js

function writeTestConfigFile(tests, runners, light, taskConfigsFolder, workerCount, stackTraceLimit, colors, testTimeout, keepFailed) {

var testConfigContents = JSON.stringify({

runners: runners ? runners.split(",") : undefined,

test: tests ? [tests] : undefined,

light: light,

workerCount: workerCount,

taskConfigsFolder: taskConfigsFolder,

stackTraceLimit: stackTraceLimit,

noColor: !colors,

timeout: testTimeout,

keepFailed: keepFailed

});

fs.writeFileSync('test.config', testConfigContents, { encoding: "utf-8" });

}

function cleanTestDirs() {

// Clean the local baselines directory

if (fs.existsSync(Paths.baselines.local)) {

del.sync(Paths.baselines.local);

}

// Clean the local Rwc baselines directory

if (fs.existsSync(Paths.baselines.localRwc)) {

del.sync(Paths.baselines.localRwc);

}

jake.mkdirP(Paths.baselines.local);

jake.mkdirP(Paths.baselines.localTest262);

}

function tsbuild(tsconfigPath, useLkg = true, done = undefined) {

const startCompileTime = Travis.mark();

const compilerPath = useLkg ? Paths.lkgCompiler : Paths.builtLocalCompiler;

const cmd = `${host} ${compilerPath} -b ${Array.isArray(tsconfigPath) ? tsconfigPath.join(" ") : tsconfigPath}`;

exec(cmd, () => {

// Success

Travis.measure(startCompileTime);

done ? done() : complete();

}, () => {

// Fail

Travis.measure(startCompileTime);

fail(`Compilation of ${tsconfigPath} unsuccessful`);

});

}

const Travis = {

mark() {

if (!fold.isTravis()) return;

var stamp = process.hrtime();

var id = Math.floor(Math.random() * 0xFFFFFFFF).toString(16);

console.log("travis_time:start:" + id + "\r");

return {

stamp: stamp,

id: id

};

},

measure(marker) {

if (!fold.isTravis()) return;

var diff = process.hrtime(marker.stamp);

var total = [marker.stamp[0] + diff[0], marker.stamp[1] + diff[1]];

console.log("travis_time:end:" + marker.id + ":start=" + toNs(marker.stamp) + ",finish=" + toNs(total) + ",duration=" + toNs(diff) + "\r");

}

};

function toNs(diff) {

return diff[0] * 1e9 + diff[1];

}

function exec(cmd, successHandler, errorHandler) {

var ex = jake.createExec([cmd], /** @type {jake.ExecOptions} */({ windowsVerbatimArguments: true, interactive: true }));

// Add listeners for output and error

ex.addListener("stdout", function (output) {

process.stdout.write(output);

});

ex.addListener("stderr", function (error) {

process.stderr.write(error);

});

ex.addListener("cmdEnd", function () {

if (successHandler) {

successHandler();

}

});

ex.addListener("error", function (e, status) {

if (errorHandler) {

errorHandler(e, status);

}

else {

fail("Process exited with code " + status);

}

});

console.log(cmd);

ex.run();

}

function acceptBaseline(sourceFolder, targetFolder) {

console.log('Accept baselines from ' + sourceFolder + ' to ' + targetFolder);

var deleteEnding = '.delete';

jake.mkdirP(targetFolder);

acceptBaselineFolder(sourceFolder, targetFolder);

function acceptBaselineFolder(sourceFolder, targetFolder) {

var files = fs.readdirSync(sourceFolder);

for (var i in files) {

var filename = files[i];

var fullLocalPath = path.join(sourceFolder, filename);

var stat = fs.statSync(fullLocalPath);

if (stat.isFile()) {

if (filename.substr(filename.length - deleteEnding.length) === deleteEnding) {

filename = filename.substr(0, filename.length - deleteEnding.length);

fs.unlinkSync(path.join(targetFolder, filename));

}

else {

var target = path.join(targetFolder, filename);

if (fs.existsSync(target)) {

fs.unlinkSync(target);

}

jake.mkdirP(path.dirname(target));

fs.renameSync(path.join(sourceFolder, filename), target);

}

}

else if (stat.isDirectory()) {

acceptBaselineFolder(fullLocalPath, path.join(targetFolder, filename));

}

}

}

}

/** @param jsonPath {string} */

function readJson(jsonPath) {

const jsonText = readFileSync(jsonPath);

const result = ts.parseConfigFileTextToJson(jsonPath, jsonText);

if (result.error) {

reportDiagnostics([result.error]);

throw new Error("An error occurred during parse.");

}

return result.config;

}

/** @param diagnostics {ts.Diagnostic[]} */

function reportDiagnostics(diagnostics) {

console.log(diagnosticsToString(diagnostics, process.stdout.isTTY));

}

/**

* @param diagnostics {ts.Diagnostic[]}

* @param [pretty] {boolean}

*/

function diagnosticsToString(diagnostics, pretty) {

const host = {

getCurrentDirectory() { return process.cwd(); },

getCanonicalFileName(fileName) { return fileName; },

getNewLine() { return os.EOL; }

};

return pretty ? ts.formatDiagnosticsWithColorAndContext(diagnostics, host) :

ts.formatDiagnostics(diagnostics, host);

}

/**

* Concatenate a list of sourceFiles to a destinationFile

* @param {string} destinationFile

* @param {string[]} sourceFiles

* @param {string=} extraContent

*/

function concatenateFiles(destinationFile, sourceFiles, extraContent) {

var temp = "temptemp";

// append all files in sequence

var text = "";

for (var i = 0; i < sourceFiles.length; i++) {

if (!fs.existsSync(sourceFiles[i])) {

fail(sourceFiles[i] + " does not exist!");

}

if (i > 0) { text += "\n\n"; }

text += readFileSync(sourceFiles[i]).replace(/\r?\n/g, "\n");

}

if (extraContent) {

text += extraContent;

}

fs.writeFileSync(temp, text);

// Move the file to the final destination

fs.renameSync(temp, destinationFile);

}

function appendToFile(path, content) {

fs.writeFileSync(path, readFileSync(path) + "\r\n" + content);

}

/**

*

* @param {string} path

* @returns string

*/

function readFileSync(path) {

return fs.readFileSync(path, { encoding: "utf-8" });

}

function getDiffTool() {

var program = process.env['DIFF'];

if (!program) {

fail("Add the 'DIFF' environment variable to the path of the program you want to use.");

}

return program;

}

/**

* Replaces const enum declarations with non-const enums

* @param {string} text

*/

function removeConstModifierFromEnumDeclarations(text) {

return text.replace(/^(\s*)(export )?const enum (\S+) {(\s*)$/gm, '$1$2enum $3 {$4');

}