Switch to accessibility insights's version of these tools (#603)

* Switch to accessibility insights's version of these tools

* auto-add files meeting strict checks

strict-null-checks/collapse-completed-directories.js

@@ -0,0 +1,83 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+// @ts-check
+const fs = require("fs");
+const path = require("path");
+const config = require("./config");
+const { writeTsconfigSync } = require("./write-tsconfig");
+
+const repoRoot = config.repoRoot;
+
+function collapseCompletedDirectories(tsconfigPath) {
+  const tsconfigContent = JSON.parse(fs.readFileSync(tsconfigPath).toString());
+  const listedFiles = Array.from(new Set(tsconfigContent.files.sort()));
+  const listedIncludes = Array.from(new Set(tsconfigContent.include.sort()));
+  const listedDirectories = listedIncludes.map(includeToDirectory);
+  const completedSet = new Set([...listedFiles, ...listedDirectories]);
+
+  reduceCompletedSet(completedSet, "./src");
+
+  const completedPaths = Array.from(completedSet).sort();
+  tsconfigContent.files = completedPaths.filter(isTsFile);
+  tsconfigContent.include = completedPaths.filter(isSourceDirectory).map(directoryToInclude);
+
+  writeTsconfigSync(tsconfigPath, tsconfigContent);
+}
+
+// convert from src/common/styles/**/* to ./src/common/styles
+function includeToDirectory(include) {
+  return "./" + include.replace("/**/*", "");
+}
+
+// convert from ./src/common/styles to src/common/styles/**/*
+function directoryToInclude(directory) {
+  return directory.substring(2) + "/**/*";
+}
+
+function reduceCompletedSet(completedSet, root) {
+  if (completedSet.has(root)) {
+    return true;
+  }
+  if (!isSourceDirectory(root)) {
+    return false;
+  }
+
+  const children = listRelevantChildren(root);
+  let allChildrenReduced = true;
+  for (const child of children) {
+    const childReduced = reduceCompletedSet(completedSet, child);
+    allChildrenReduced = allChildrenReduced && childReduced;
+  }
+
+  if (allChildrenReduced) {
+    for (const child of children) {
+      completedSet.delete(child);
+    }
+    completedSet.add(root);
+  }
+  return allChildrenReduced;
+}
+
+function isSourceDirectory(relativePath) {
+  // this assumes directories don't have .s in their names, which isn't robust generally
+  // but happens to be true in our repo
+  const isDirectory = -1 === relativePath.indexOf(".", 1);
+  return isDirectory && !relativePath.includes("__snapshots__");
+}
+
+const isTsFileRegex = /\.(ts|tsx)$/;
+function isTsFile(relativePath) {
+  return isTsFileRegex.test(relativePath);
+}
+
+function listRelevantChildren(relativePath) {
+  const rawReaddir = fs.readdirSync(path.join(repoRoot, relativePath));
+  const directories = rawReaddir.filter(isSourceDirectory);
+  const tsFiles = rawReaddir.filter(isTsFile);
+  return [...directories, ...tsFiles].map((name) => relativePath + "/" + name);
+}
+
+module.exports = {
+  collapseCompletedDirectories,
+};