Add a command for stripping the dependency down

Author: orta

Gulpfile.js

@@ -588,6 +588,10 @@ const configureExperimental = () => exec(process.execPath, ["scripts/configurePr
 task("configure-experimental", series(buildScripts, configureExperimental));
 task("configure-experimental").description = "Runs scripts/configurePrerelease.ts to prepare a build for experimental publishing";
 
+const configureTSCOnly = () => exec(process.execPath, ["scripts/configureTSCBuild.js", "package.json", "src/compiler/core.ts"]);
+task("configure-tsc-only", series(buildScripts, configureNightly));
+task("configure-tsc-only").description = "Runs scripts/configureTSCOnly.ts to prepare a build for build which only has tsc ";
+
 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";

package.json

@@ -104,6 +104,7 @@
     "scripts": {
         "prepare": "gulp build-eslint-rules",
         "pretest": "gulp tests",
+        "postpublish": "gulp configure-tsc-only",
         "test": "gulp runtests-parallel --light=false",
         "test:eslint-rules": "gulp run-eslint-rules-tests",
         "build": "npm run build:compiler && npm run build:tests",

scripts/configureTSCBuild.js

@@ -0,0 +1,57 @@
+"use strict";
+exports.__esModule = true;
+/// <reference types="node"/>
+var path_1 = require("path");
+var fs_1 = require("fs");
+var assert = require("assert");
+var args = process.argv.slice(2);
+// function exec(path: string, args: string[] = []) {
+//     const cmdLine = ["node", path, ...args].join(" ");
+//     console.log(cmdLine);
+//     execSync(cmdLine);
+// }
+function main() {
+    if (args.length < 1) {
+        console.log("Usage:");
+        console.log("\tnode configureTSCBuild.js <package.json location>");
+        return;
+    }
+    // Acquire the version from the package.json file and modify it appropriately.
+    var packageJsonFilePath = path_1.normalize(args[0]);
+    var packageJsonValue = JSON.parse(fs_1.readFileSync(packageJsonFilePath).toString());
+    // Remove the bin section from the current package
+    delete packageJsonValue.bin;
+    // Set the new name
+    packageJsonValue.name = "@orta/tsc";
+    fs_1.writeFileSync(packageJsonFilePath, JSON.stringify(packageJsonValue, /*replacer:*/ undefined, /*space:*/ 4));
+    // Remove the files which aren't use when just using the API
+    var toRemove = [
+        // JS Files
+        "tsserver.js",
+        "tsserverlibrary.js",
+        "typescriptServices.js",
+        "typingsInstaller.js",
+        "tsc.js",
+        // DTS files
+        "typescriptServices.d.ts",
+        "tsserverlibrary.d.ts"
+    ];
+    // Get a link to the main dependency JS file, then remove the sibling JS files referenced above
+    var lib = path_1.join(path_1.dirname(packageJsonFilePath), packageJsonValue.main);
+    var libPath = path_1.dirname(lib);
+    toRemove.forEach(function (file) {
+        var path = path_1.join(libPath, file);
+        if (fs_1.existsSync(path))
+            fs_1.unlinkSync(path);
+    });
+    ///////////////////////////////////
+    // This section verifies that the build of TypeScript compiles and emits
+    var ts = require("../" + lib);
+    var source = "let x: string = 'string'";
+    var results = ts.transpileModule(source, {
+        compilerOptions: { module: ts.ModuleKind.CommonJS }
+    });
+    console.log(Object.keys(results));
+    assert(results.outputText.trim() === "var x = 'string';", "Running typescript with " + packageJsonValue.name + " did not return the expected results, got: " + results.outputText);
+}
+main();

scripts/configureTSCBuild.ts

@@ -0,0 +1,82 @@
+/// <reference types="node"/>
+import { normalize, dirname, join } from "path";
+import { readFileSync, writeFileSync, unlinkSync, existsSync } from "fs";
+import assert = require("assert");
+import { execSync } from "child_process";
+const args = process.argv.slice(2);
+
+
+
+/**
+ * A minimal description for a parsed package.json object.
+ */
+interface PackageJson {
+    name: string;
+    bin: {};
+    main: string;
+}
+
+// function exec(path: string, args: string[] = []) {
+//     const cmdLine = ["node", path, ...args].join(" ");
+//     console.log(cmdLine);
+//     execSync(cmdLine);
+// }
+
+function main(): void {
+    if (args.length < 1) {
+        console.log("Usage:");
+        console.log("\tnode configureTSCBuild.js <package.json location>");
+        return;
+    }
+
+    // Acquire the version from the package.json file and modify it appropriately.
+    const packageJsonFilePath = normalize(args[0]);
+    const packageJsonValue: PackageJson = JSON.parse(readFileSync(packageJsonFilePath).toString());
+
+    // Remove the bin section from the current package
+    delete packageJsonValue.bin;
+
+    // Set the new name
+    packageJsonValue.name = "@orta/tsc";
+
+    writeFileSync(packageJsonFilePath, JSON.stringify(packageJsonValue, /*replacer:*/ undefined, /*space:*/ 4));
+
+    // Remove the files which aren't use when just using the API
+    const toRemove = [
+        // JS Files
+        "tsserver.js",
+        "tsserverlibrary.js",
+        "typescriptServices.js",
+        "typingsInstaller.js",
+        "tsc.js",
+        // DTS files
+        "typescriptServices.d.ts",
+        "tsserverlibrary.d.ts"
+    ];
+
+    // Get a link to the main dependency JS file, then remove the sibling JS files referenced above
+    const lib = join(dirname(packageJsonFilePath), packageJsonValue.main);
+    const libPath = dirname(lib);
+    toRemove.forEach(file => {
+        const path = join(libPath, file);
+        if (existsSync(path)) unlinkSync(path);
+    });
+
+    ///////////////////////////////////
+
+    // This section verifies that the build of TypeScript compiles and emits
+
+    const ts = require("../" + lib);
+    const source = "let x: string = 'string'";
+
+    const results =ts.transpileModule(source, {
+        compilerOptions: { module: ts.ModuleKind.CommonJS }
+    });
+    console.log(Object.keys(results));
+
+    assert(results.outputText.trim() === "var x = 'string';", `Running typescript with ${packageJsonValue.name} did not return the expected results, got: ${results.outputText}`);
+
+
+}
+
+main();