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// @ts-check
import path from "path";
import fs from "fs";
import log from "fancy-log";
import newer from "gulp-newer";
import sourcemaps from "gulp-sourcemaps";
import del from "del";
import rename from "gulp-rename";
import concat from "gulp-concat";
import merge2 from "merge2";
import gulp from "gulp";
import { append, transform } from "gulp-insert";
import { prependFile } from "./scripts/build/prepend.mjs";
import { exec, readJson, needsUpdate, getDiffTool, getDirSize, rm } from "./scripts/build/utils.mjs";
import { runConsoleTests, refBaseline, localBaseline, refRwcBaseline, localRwcBaseline } from "./scripts/build/tests.mjs";
import { buildProject, cleanProject, watchProject } from "./scripts/build/projects.mjs";
import cmdLineOptions from "./scripts/build/options.mjs";
const { src, dest, task, parallel, series, watch } = gulp;
const copyright = "CopyrightNotice.txt";
const cleanTasks = [];
const buildScripts = () => buildProject("scripts");
task("scripts", buildScripts);
task("scripts").description = "Builds files in the 'scripts' folder.";
/** @type {{ libs: string[]; paths: Record<string, string | undefined>; }} */
const libraries = readJson("./src/lib/libs.json");
const libs = libraries.libs.map(lib => {
const relativeSources = ["header.d.ts", lib + ".d.ts"];
const relativeTarget = libraries.paths && libraries.paths[lib] || ("lib." + lib + ".d.ts");
const sources = relativeSources.map(s => path.posix.join("src/lib", s));
const target = `built/local/${relativeTarget}`;
return { target, relativeTarget, sources };
});
const generateLibs = () => {
return merge2(libs.map(({ sources, target, relativeTarget }) =>
src([copyright, ...sources])
.pipe(newer(target))
.pipe(concat(relativeTarget, { newLine: "\n\n" }))
.pipe(dest("built/local"))));
};
task("lib", generateLibs);
task("lib").description = "Builds the library targets";
const cleanLib = () => del(libs.map(lib => lib.target));
cleanTasks.push(cleanLib);
const watchLib = () => watch(["src/lib/**/*"], generateLibs);
const diagnosticInformationMapTs = "src/compiler/diagnosticInformationMap.generated.ts";
const diagnosticMessagesJson = "src/compiler/diagnosticMessages.json";
const diagnosticMessagesGeneratedJson = "src/compiler/diagnosticMessages.generated.json";
const generateDiagnostics = async () => {
if (needsUpdate(diagnosticMessagesJson, [diagnosticMessagesGeneratedJson, diagnosticInformationMapTs])) {
await exec(process.execPath, ["scripts/processDiagnosticMessages.mjs", diagnosticMessagesJson]);
}
};
task("generate-diagnostics", generateDiagnostics);
task("generate-diagnostics").description = "Generates a diagnostic file in TypeScript based on an input JSON file";
const cleanDiagnostics = () => del([diagnosticInformationMapTs, diagnosticMessagesGeneratedJson]);
cleanTasks.push(cleanDiagnostics);
const watchDiagnostics = () => watch(["src/compiler/diagnosticMessages.json"], task("generate-diagnostics"));
// Localize diagnostics
/**
* .lcg file is what localization team uses to know what messages to localize.
* The file is always generated in 'enu/diagnosticMessages.generated.json.lcg'
*/
const generatedLCGFile = "built/local/enu/diagnosticMessages.generated.json.lcg";
/**
* The localization target produces the two following transformations:
* 1. 'src\loc\lcl\<locale>\diagnosticMessages.generated.json.lcl' => 'built\local\<locale>\diagnosticMessages.generated.json'
* convert localized resources into a .json file the compiler can understand
* 2. 'src\compiler\diagnosticMessages.generated.json' => 'built\local\ENU\diagnosticMessages.generated.json.lcg'
* generate the lcg file (source of messages to localize) from the diagnosticMessages.generated.json
*/
const localizationTargets = ["cs", "de", "es", "fr", "it", "ja", "ko", "pl", "pt-br", "ru", "tr", "zh-cn", "zh-tw"]
.map(f => f.toLowerCase())
.map(f => `built/local/${f}/diagnosticMessages.generated.json`)
.concat(generatedLCGFile);
const localize = async () => {
if (needsUpdate(diagnosticMessagesGeneratedJson, generatedLCGFile)) {
return exec(process.execPath, ["scripts/generateLocalizedDiagnosticMessages.mjs", "src/loc/lcl", "built/local", diagnosticMessagesGeneratedJson], { ignoreExitCode: true });
}
};
const buildDebugTools = () => buildProject("src/debug");
const cleanDebugTools = () => cleanProject("src/debug");
cleanTasks.push(cleanDebugTools);
// Pre-build steps when targeting the LKG compiler
const lkgPreBuild = parallel(generateLibs, series(generateDiagnostics, buildDebugTools));
const buildTsc = () => buildProject("src/tsc");
task("tsc", series(lkgPreBuild, buildTsc));
task("tsc").description = "Builds the command-line compiler";
const cleanTsc = () => cleanProject("src/tsc");
cleanTasks.push(cleanTsc);
task("clean-tsc", cleanTsc);
task("clean-tsc").description = "Cleans outputs for the command-line compiler";
const watchTsc = () => watchProject("src/tsc");
task("watch-tsc", series(lkgPreBuild, parallel(watchLib, watchDiagnostics, watchTsc)));
task("watch-tsc").description = "Watch for changes and rebuild the command-line compiler only.";
// Pre-build steps when targeting the built/local compiler.
const localPreBuild = parallel(generateLibs, series(generateDiagnostics, buildDebugTools, buildTsc));
// Pre-build steps to use based on supplied options.
const preBuild = cmdLineOptions.lkg ? lkgPreBuild : localPreBuild;
const buildServices = (() => {
// build typescriptServices.out.js
const buildTypescriptServicesOut = () => buildProject("src/typescriptServices/tsconfig.json", cmdLineOptions);
// create typescriptServices.js
const createTypescriptServicesJs = () => src("built/local/typescriptServices.out.js")
.pipe(newer("built/local/typescriptServices.js"))
.pipe(sourcemaps.init({ loadMaps: true }))
.pipe(prependFile(copyright))
.pipe(rename("typescriptServices.js"))
.pipe(sourcemaps.write(".", { includeContent: false, destPath: "built/local" }))
.pipe(dest("built/local"));
// create typescriptServices.d.ts
const createTypescriptServicesDts = () => src("built/local/typescriptServices.out.d.ts")
.pipe(newer("built/local/typescriptServices.d.ts"))
.pipe(prependFile(copyright))
.pipe(transform(content => content.replace(/^(\s*)(export )?const enum (\S+) {(\s*)$/gm, "$1$2enum $3 {$4")))
.pipe(rename("typescriptServices.d.ts"))
.pipe(dest("built/local"));
// create typescript.js
const createTypescriptJs = () => src("built/local/typescriptServices.js")
.pipe(newer("built/local/typescript.js"))
.pipe(sourcemaps.init({ loadMaps: true }))
.pipe(rename("typescript.js"))
.pipe(sourcemaps.write(".", { includeContent: false, destPath: "built/local" }))
.pipe(dest("built/local"));
// create typescript.d.ts
const createTypescriptDts = () => src("built/local/typescriptServices.d.ts")
.pipe(newer("built/local/typescript.d.ts"))
.pipe(append("\nexport = ts;"))
.pipe(rename("typescript.d.ts"))
.pipe(dest("built/local"));
// create typescript_standalone.d.ts
const createTypescriptStandaloneDts = () => src("built/local/typescriptServices.d.ts")
.pipe(newer("built/local/typescript_standalone.d.ts"))
.pipe(transform(content => content.replace(/declare (namespace|module) ts/g, 'declare module "typescript"')))
.pipe(rename("typescript_standalone.d.ts"))
.pipe(dest("built/local"));
return series(
buildTypescriptServicesOut,
createTypescriptServicesJs,
createTypescriptServicesDts,
createTypescriptJs,
createTypescriptDts,
createTypescriptStandaloneDts,
);
})();
task("services", series(preBuild, buildServices));
task("services").description = "Builds the language service";
task("services").flags = {
" --built": "Compile using the built version of the compiler."
};
const cleanServices = async () => {
if (fs.existsSync("built/local/typescriptServices.tsconfig.json")) {
await cleanProject("built/local/typescriptServices.tsconfig.json");
}
await del([
"built/local/typescriptServices.out.js",
"built/local/typescriptServices.out.d.ts",
"built/local/typescriptServices.out.tsbuildinfo",
"built/local/typescriptServices.js",
"built/local/typescript.js",
"built/local/typescript.d.ts",
"built/local/typescript_standalone.d.ts"
]);
};
cleanTasks.push(cleanServices);
task("clean-services", cleanServices);
task("clean-services").description = "Cleans outputs for the language service";
const watchServices = () => watch([
"src/compiler/tsconfig.json",
"src/compiler/**/*.ts",
"src/jsTyping/tsconfig.json",
"src/jsTyping/**/*.ts",
"src/services/tsconfig.json",
"src/services/**/*.ts",
], series(preBuild, buildServices));
task("watch-services", series(preBuild, parallel(watchLib, watchDiagnostics, watchServices)));
task("watch-services").description = "Watches for changes and rebuild language service only";
task("watch-services").flags = {
" --built": "Compile using the built version of the compiler."
};
const buildDynamicImportCompat = () => buildProject("src/dynamicImportCompat", cmdLineOptions);
task("dynamicImportCompat", buildDynamicImportCompat);
const buildServerMain = () => buildProject("src/tsserver", cmdLineOptions);
const buildServer = series(buildDynamicImportCompat, buildServerMain);
buildServer.displayName = "buildServer";
task("tsserver", series(preBuild, buildServer));
task("tsserver").description = "Builds the language server";
task("tsserver").flags = {
" --built": "Compile using the built version of the compiler."
};
const cleanDynamicImportCompat = () => cleanProject("src/dynamicImportCompat");
const cleanServerMain = () => cleanProject("src/tsserver");
const cleanServer = series(cleanDynamicImportCompat, cleanServerMain);
cleanServer.displayName = "cleanServer";
cleanTasks.push(cleanServer);
task("clean-tsserver", cleanServer);
task("clean-tsserver").description = "Cleans outputs for the language server";
const watchDynamicImportCompat = () => watchProject("src/dynamicImportCompat", cmdLineOptions);
const watchServer = () => watchProject("src/tsserver", cmdLineOptions);
task("watch-tsserver", series(preBuild, parallel(watchLib, watchDiagnostics, watchDynamicImportCompat, watchServer)));
task("watch-tsserver").description = "Watch for changes and rebuild the language server only";
task("watch-tsserver").flags = {
" --built": "Compile using the built version of the compiler."
};
task("min", series(preBuild, parallel(buildTsc, buildServer)));
task("min").description = "Builds only tsc and tsserver";
task("min").flags = {
" --built": "Compile using the built version of the compiler."
};
task("clean-min", series(cleanTsc, cleanServer));
task("clean-min").description = "Cleans outputs for tsc and tsserver";
task("watch-min", series(preBuild, parallel(watchLib, watchDiagnostics, watchTsc, watchServer)));
task("watch-min").description = "Watches for changes to a tsc and tsserver only";
task("watch-min").flags = {
" --built": "Compile using the built version of the compiler."
};
const buildLssl = (() => {
// build tsserverlibrary.out.js
const buildServerLibraryOut = () => buildProject("src/tsserverlibrary/tsconfig.json", cmdLineOptions);
// create tsserverlibrary.js
const createServerLibraryJs = () => src("built/local/tsserverlibrary.out.js")
.pipe(newer("built/local/tsserverlibrary.js"))
.pipe(sourcemaps.init({ loadMaps: true }))
.pipe(prependFile(copyright))
.pipe(rename("tsserverlibrary.js"))
.pipe(sourcemaps.write(".", { includeContent: false, destPath: "built/local" }))
.pipe(dest("built/local"));
// create tsserverlibrary.d.ts
const createServerLibraryDts = () => src("built/local/tsserverlibrary.out.d.ts")
.pipe(newer("built/local/tsserverlibrary.d.ts"))
.pipe(prependFile(copyright))
.pipe(transform(content => content.replace(/^(\s*)(export )?const enum (\S+) {(\s*)$/gm, "$1$2enum $3 {$4")))
.pipe(append("\nexport = ts;\nexport as namespace ts;"))
.pipe(rename("tsserverlibrary.d.ts"))
.pipe(dest("built/local"));
return series(
buildServerLibraryOut,
createServerLibraryJs,
createServerLibraryDts,
);
})();
task("lssl", series(preBuild, buildLssl));
task("lssl").description = "Builds language service server library";
task("lssl").flags = {
" --built": "Compile using the built version of the compiler."
};
const cleanLssl = async () => {
if (fs.existsSync("built/local/tsserverlibrary.tsconfig.json")) {
await cleanProject("built/local/tsserverlibrary.tsconfig.json");
}
await del([
"built/local/tsserverlibrary.out.js",
"built/local/tsserverlibrary.out.d.ts",
"built/local/tsserverlibrary.out.tsbuildinfo",
"built/local/tsserverlibrary.js",
"built/local/tsserverlibrary.d.ts",
]);
};
cleanTasks.push(cleanLssl);
task("clean-lssl", cleanLssl);
task("clean-lssl").description = "Clean outputs for the language service server library";
const watchLssl = () => watch([
"src/compiler/tsconfig.json",
"src/compiler/**/*.ts",
"src/jsTyping/tsconfig.json",
"src/jsTyping/**/*.ts",
"src/services/tsconfig.json",
"src/services/**/*.ts",
"src/server/tsconfig.json",
"src/server/**/*.ts",
"src/webServer/tsconfig.json",
"src/webServer/**/*.ts",
"src/tsserver/tsconfig.json",
"src/tsserver/**/*.ts",
], buildLssl);
task("watch-lssl", series(preBuild, parallel(watchLib, watchDiagnostics, watchLssl)));
task("watch-lssl").description = "Watch for changes and rebuild tsserverlibrary only";
task("watch-lssl").flags = {
" --built": "Compile using the built version of the compiler."
};
const buildTests = () => buildProject("src/testRunner");
task("tests", series(preBuild, parallel(buildLssl, buildTests)));
task("tests").description = "Builds the test infrastructure";
task("tests").flags = {
" --built": "Compile using the built version of the compiler."
};
const cleanTests = () => cleanProject("src/testRunner");
cleanTasks.push(cleanTests);
task("clean-tests", cleanTests);
task("clean-tests").description = "Cleans the outputs for the test infrastructure";
const watchTests = () => watchProject("src/testRunner", cmdLineOptions);
const runEslintRulesTests = () => runConsoleTests("scripts/eslint/tests", "mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*watchMode*/ false);
task("run-eslint-rules-tests", runEslintRulesTests);
task("run-eslint-rules-tests").description = "Runs the eslint rule tests";
/** @type { (folder: string) => { (): Promise<any>; displayName?: string } } */
const eslint = (folder) => async () => {
const formatter = cmdLineOptions.ci ? "stylish" : "autolinkable-stylish";
const args = [
"node_modules/eslint/bin/eslint",
"--cache",
"--cache-location", `${folder}/.eslintcache`,
"--format", formatter,
];
if (cmdLineOptions.fix) {
args.push("--fix");
}
args.push(folder);
log(`Linting: ${args.join(" ")}`);
return exec(process.execPath, args);
};
const lint = eslint(".");
lint.displayName = "lint";
task("lint", lint);
task("lint").description = "Runs eslint on the compiler and scripts sources.";
const buildCancellationToken = () => buildProject("src/cancellationToken");
const cleanCancellationToken = () => cleanProject("src/cancellationToken");
cleanTasks.push(cleanCancellationToken);
const buildTypingsInstaller = () => buildProject("src/typingsInstaller");
const cleanTypingsInstaller = () => cleanProject("src/typingsInstaller");
cleanTasks.push(cleanTypingsInstaller);
const buildWatchGuard = () => buildProject("src/watchGuard");
const cleanWatchGuard = () => cleanProject("src/watchGuard");
cleanTasks.push(cleanWatchGuard);
const generateTypesMap = () => src("src/server/typesMap.json")
.pipe(newer("built/local/typesMap.json"))
.pipe(transform(contents => (JSON.parse(contents), contents))) // validates typesMap.json is valid JSON
.pipe(dest("built/local"));
task("generate-types-map", generateTypesMap);
const cleanTypesMap = () => del("built/local/typesMap.json");
cleanTasks.push(cleanTypesMap);
// Drop a copy of diagnosticMessages.generated.json into the built/local folder. This allows
// it to be synced to the Azure DevOps repo, so that it can get picked up by the build
// pipeline that generates the localization artifacts that are then fed into the translation process.
const builtLocalDiagnosticMessagesGeneratedJson = "built/local/diagnosticMessages.generated.json";
const copyBuiltLocalDiagnosticMessages = () => src(diagnosticMessagesGeneratedJson)
.pipe(newer(builtLocalDiagnosticMessagesGeneratedJson))
.pipe(dest("built/local"));
const cleanBuiltLocalDiagnosticMessages = () => del(builtLocalDiagnosticMessagesGeneratedJson);
cleanTasks.push(cleanBuiltLocalDiagnosticMessages);
const buildOtherOutputs = parallel(buildCancellationToken, buildTypingsInstaller, buildWatchGuard, generateTypesMap, copyBuiltLocalDiagnosticMessages);
task("other-outputs", series(preBuild, buildOtherOutputs));
task("other-outputs").description = "Builds miscelaneous scripts and documents distributed with the LKG";
task("local", series(preBuild, parallel(localize, buildTsc, buildServer, buildServices, buildLssl, buildOtherOutputs)));
task("local").description = "Builds the full compiler and services";
task("local").flags = {
" --built": "Compile using the built version of the compiler."
};
task("watch-local", series(preBuild, parallel(watchLib, watchDiagnostics, watchTsc, watchServices, watchServer, watchLssl)));
task("watch-local").description = "Watches for changes to projects in src/ (but does not execute tests).";
task("watch-local").flags = {
" --built": "Compile using the built version of the compiler."
};
const preTest = parallel(buildTsc, buildTests, buildServices, buildLssl);
preTest.displayName = "preTest";
const runTests = () => runConsoleTests("built/local/run.js", "mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*watchMode*/ false);
task("runtests", series(preBuild, preTest, runTests));
task("runtests").description = "Runs the tests using the built run.js file.";
task("runtests").flags = {
"-t --tests=<regex>": "Pattern for tests to run.",
" --failed": "Runs tests listed in '.failed-tests'.",
"-r --reporter=<reporter>": "The mocha reporter to use.",
"-i --break": "Runs tests in inspector mode (NodeJS 8 and later)",
" --keepFailed": "Keep tests in .failed-tests even if they pass",
" --light": "Run tests in light mode (fewer verifications, but tests run faster)",
" --dirty": "Run tests without first cleaning test output directories",
" --stackTraceLimit=<limit>": "Sets the maximum number of stack frames to display. Use 'full' to show all frames.",
" --no-color": "Disables color",
" --timeout=<ms>": "Overrides the default test timeout.",
" --built": "Compile using the built version of the compiler.",
" --shards": "Total number of shards running tests (default: 1)",
" --shardId": "1-based ID of this shard (default: 1)",
};
const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ cmdLineOptions.workers > 1, /*watchMode*/ false);
task("runtests-parallel", series(preBuild, preTest, runTestsParallel));
task("runtests-parallel").description = "Runs all the tests in parallel using the built run.js file.";
task("runtests-parallel").flags = {
" --light": "Run tests in light mode (fewer verifications, but tests run faster).",
" --keepFailed": "Keep tests in .failed-tests even if they pass.",
" --dirty": "Run tests without first cleaning test output directories.",
" --stackTraceLimit=<limit>": "Sets the maximum number of stack frames to display. Use 'full' to show all frames.",
" --workers=<number>": "The number of parallel workers to use.",
" --timeout=<ms>": "Overrides the default test timeout.",
" --built": "Compile using the built version of the compiler.",
" --shards": "Total number of shards running tests (default: 1)",
" --shardId": "1-based ID of this shard (default: 1)",
};
task("test-browser-integration", () => exec(process.execPath, ["scripts/browserIntegrationTest.mjs"]));
task("test-browser-integration").description = "Runs scripts/browserIntegrationTest.mjs which tests that typescript.js loads in a browser";
task("diff", () => exec(getDiffTool(), [refBaseline, localBaseline], { ignoreExitCode: true, waitForExit: false }));
task("diff").description = "Diffs the compiler baselines using the diff tool specified by the 'DIFF' environment variable";
task("diff-rwc", () => exec(getDiffTool(), [refRwcBaseline, localRwcBaseline], { ignoreExitCode: true, waitForExit: false }));
task("diff-rwc").description = "Diffs the RWC baselines using the diff tool specified by the 'DIFF' environment variable";
/**
* @param {string} localBaseline Path to the local copy of the baselines
* @param {string} refBaseline Path to the reference copy of the baselines
*/
const baselineAccept = (localBaseline, refBaseline) => merge2(
src([`${localBaseline}/**`, `!${localBaseline}/**/*.delete`], { base: localBaseline })
.pipe(dest(refBaseline)),
src([`${localBaseline}/**/*.delete`], { base: localBaseline, read: false })
.pipe(rm())
.pipe(rename({ extname: "" }))
.pipe(rm(refBaseline)));
task("baseline-accept", () => baselineAccept(localBaseline, refBaseline));
task("baseline-accept").description = "Makes the most recent test results the new baseline, overwriting the old baseline";
task("baseline-accept-rwc", () => baselineAccept(localRwcBaseline, refRwcBaseline));
task("baseline-accept-rwc").description = "Makes the most recent rwc test results the new baseline, overwriting the old baseline";
// TODO(rbuckton): Determine if we still need this task. Depending on a relative
// path here seems like a bad idea.
const updateSublime = () => src(["built/local/tsserver.js", "built/local/tsserver.js.map"])
.pipe(dest("../TypeScript-Sublime-Plugin/tsserver/"));
task("update-sublime", updateSublime);
task("update-sublime").description = "Updates the sublime plugin's tsserver";
// TODO(rbuckton): Should the path to DefinitelyTyped be configurable via an environment variable?
const importDefinitelyTypedTests = () => exec(process.execPath, ["scripts/importDefinitelyTypedTests.mjs", "./", "../DefinitelyTyped"]);
task("importDefinitelyTypedTests", importDefinitelyTypedTests);
task("importDefinitelyTypedTests").description = "Runs the importDefinitelyTypedTests script to copy DT's tests to the TS-internal RWC tests";
const buildReleaseTsc = () => buildProject("src/tsc/tsconfig.release.json");
const cleanReleaseTsc = () => cleanProject("src/tsc/tsconfig.release.json");
cleanTasks.push(cleanReleaseTsc);
const cleanBuilt = () => del("built");
const produceLKG = async () => {
const expectedFiles = [
"built/local/tsc.release.js",
"built/local/typescriptServices.js",
"built/local/typescriptServices.d.ts",
"built/local/tsserver.js",
"built/local/dynamicImportCompat.js",
"built/local/typescript.js",
"built/local/typescript.d.ts",
"built/local/tsserverlibrary.js",
"built/local/tsserverlibrary.d.ts",
"built/local/typingsInstaller.js",
"built/local/cancellationToken.js"
].concat(libs.map(lib => lib.target));
const missingFiles = expectedFiles
.concat(localizationTargets)
.filter(f => !fs.existsSync(f));
if (missingFiles.length > 0) {
throw new Error("Cannot replace the LKG unless all built targets are present in directory 'built/local/'. The following files are missing:\n" + missingFiles.join("\n"));
}
const sizeBefore = getDirSize("lib");
await exec(process.execPath, ["scripts/produceLKG.mjs"]);
const sizeAfter = getDirSize("lib");
if (sizeAfter > (sizeBefore * 1.10)) {
throw new Error("The lib folder increased by 10% or more. This likely indicates a bug.");
}
};
task("LKG", series(lkgPreBuild, parallel(localize, buildTsc, buildServer, buildServices, buildLssl, buildOtherOutputs, buildReleaseTsc), produceLKG));
task("LKG").description = "Makes a new LKG out of the built js files";
task("LKG").flags = {
" --built": "Compile using the built version of the compiler.",
};
task("lkg", series("LKG"));
const generateSpec = () => exec("cscript", ["//nologo", "scripts/word2md.mjs", path.resolve("doc/TypeScript Language Specification - ARCHIVED.docx"), path.resolve("doc/spec-ARCHIVED.md")]);
task("generate-spec", generateSpec);
task("generate-spec").description = "Generates a Markdown version of the Language Specification";
task("clean", series(parallel(cleanTasks), cleanBuilt));
task("clean").description = "Cleans build outputs";
const configureNightly = () => exec(process.execPath, ["scripts/configurePrerelease.mjs", "dev", "package.json", "src/compiler/corePublic.ts"]);
task("configure-nightly", series(buildScripts, configureNightly));
task("configure-nightly").description = "Runs scripts/configurePrerelease.ts to prepare a build for nightly publishing";
const configureInsiders = () => exec(process.execPath, ["scripts/configurePrerelease.mjs", "insiders", "package.json", "src/compiler/corePublic.ts"]);
task("configure-insiders", configureInsiders);
task("configure-insiders").description = "Runs scripts/configurePrerelease.mjs to prepare a build for insiders publishing";
const configureExperimental = () => exec(process.execPath, ["scripts/configurePrerelease.mjs", "experimental", "package.json", "src/compiler/corePublic.ts"]);
task("configure-experimental", configureExperimental);
task("configure-experimental").description = "Runs scripts/configurePrerelease.mjs to prepare a build for experimental publishing";
const publishNightly = () => exec("npm", ["publish", "--tag", "next"]);
task("publish-nightly", series(task("clean"), task("LKG"), task("clean"), task("runtests-parallel"), publishNightly));
task("publish-nightly").description = "Runs `npm publish --tag next` to create a new nightly build on npm";
// TODO(rbuckton): The problem with watching in this way is that a change in compiler/ will result
// in cascading changes in other projects that may take differing amounts of times to complete. As
// a result, the watch may accidentally trigger early, so we have to set a significant delay. An
// alternative approach would be to leverage a builder API, or to have 'tsc -b' have an option to
// write some kind of trigger file that indicates build completion that we could listen for instead.
const watchRuntests = () => watch(["built/local/*.js", "tests/cases/**/*.ts", "tests/cases/**/tsconfig.json"], { delay: 5000 }, async () => {
if (cmdLineOptions.tests || cmdLineOptions.failed) {
await runConsoleTests("built/local/run.js", "mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*watchMode*/ true);
}
else {
await runConsoleTests("built/local/run.js", "min", /*runInParallel*/ true, /*watchMode*/ true);
}
});
task("watch", series(preBuild, preTest, parallel(watchLib, watchDiagnostics, watchServices, watchLssl, watchTests, watchRuntests)));
task("watch").description = "Watches for changes and rebuilds and runs tests in parallel.";
task("watch").flags = {
"-t --tests=<regex>": "Pattern for tests to run. Forces tests to be run in a single worker.",
" --failed": "Runs tests listed in '.failed-tests'. Forces tests to be run in a single worker.",
"-r --reporter=<reporter>": "The mocha reporter to use.",
" --keepFailed": "Keep tests in .failed-tests even if they pass",
" --light": "Run tests in light mode (fewer verifications, but tests run faster)",
" --dirty": "Run tests without first cleaning test output directories",
" --stackTraceLimit=<limit>": "Sets the maximum number of stack frames to display. Use 'full' to show all frames.",
" --no-color": "Disables color",
" --timeout=<ms>": "Overrides the default test timeout.",
" --workers=<number>": "The number of parallel workers to use.",
" --built": "Compile using the built version of the compiler.",
};
task("default", series("local"));
task("default").description = "Runs 'local'";
task("help", () => exec("gulp", ["--tasks", "--depth", "1", "--sort-tasks"], { hidePrompt: true }));
task("help").description = "Prints the top-level tasks.";
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