Remove some files from the repo root (microsoft#51446)

Author: jakebailey

.eslintignore

@@ -1,4 +1,5 @@
 {
+    "root": true,
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
         "warnOnUnsupportedTypeScriptVersion": false,
@@ -12,6 +13,17 @@
     "plugins": [
         "@typescript-eslint", "no-null", "import", "eslint-plugin-local"
     ],
+    "ignorePatterns": [
+        "**/node_modules/**",
+        "/built/**",
+        "/tests/**",
+        "/lib/**",
+        "/src/lib/*.generated.d.ts",
+        "/scripts/**/*.js",
+        "/scripts/**/*.d.*",
+        "/internal/**",
+        "/coverage/**"
+    ],
     "rules": {
         "sort-imports": ["error", {
             "ignoreCase": true,

.eslintrc.json

@@ -21,7 +21,7 @@ const glob = util.promisify(_glob);
 /** @typedef {ReturnType<typeof task>} Task */
 void 0;
 
-const copyrightFilename = "CopyrightNotice.txt";
+const copyrightFilename = "./scripts/CopyrightNotice.txt";
 const copyright = memoize(async () => {
     const contents = await fs.promises.readFile(copyrightFilename, "utf-8");
     return contents.replace(/\r\n/g, "\n");

.yarnrc

@@ -401,7 +401,7 @@ emitAsNamespace("ts", moduleSymbol);
 
 write("export = ts;", WriteTarget.Both);
 
-const copyrightNotice = fs.readFileSync(path.join(__dirname, "..", "CopyrightNotice.txt"), "utf-8");
+const copyrightNotice = fs.readFileSync(path.join(__dirname, "CopyrightNotice.txt"), "utf-8");
 const publicContents = copyrightNotice + publicLines.join(newLine);
 const internalContents = copyrightNotice + internalLines.join(newLine);
 

Herebyfile.mjs

@@ -144,7 +144,11 @@ export class DockerfileRunner extends ExternalCompileRunnerBase {
         describe(`${this.kind()} code samples`, function (this: Mocha.Suite) {
             this.timeout(cls.timeout); // 20 minutes
             before(() => {
-                cls.exec("docker", ["build", ".", "-t", "typescript/typescript"], { cwd: IO.getWorkspaceRoot() }); // cached because workspace is hashed to determine cacheability
+                // cached because workspace is hashed to determine cacheability
+                cls.exec("docker", ["build", ".", "-t", "typescript/typescript", "-f", cls.testDir + "Dockerfile"], {
+                    cwd: IO.getWorkspaceRoot(),
+                    env: { ...process.env, DOCKER_BUILDKIT: "1" }, // We need buildkit to allow Dockerfile.dockerignore to work.
+                });
             });
             for (const test of testList) {
                 const directory = typeof test === "string" ? test : test.file;
@@ -160,7 +164,7 @@ export class DockerfileRunner extends ExternalCompileRunnerBase {
     }
 
     private timeout = 1_200_000; // 20 minutes;
-    private exec(command: string, args: string[], options: { cwd: string }): void {
+    private exec(command: string, args: string[], options: { cwd: string; env?: NodeJS.ProcessEnv }): void {
         const cp: typeof import("child_process") = require("child_process");
         const stdio = isWorker ? "pipe" : "inherit";
         const res = cp.spawnSync(isWorker ? `${command} 2>&1` : command, args, { timeout: this.timeout, shell: true, stdio, ...options });