chore(deps): remove mz dependency and replace with Node native fs/promises (#10175)

package.json

@@ -77,7 +77,6 @@
     "@types/js-yaml": "4.0.9",
     "@types/listr": "0.14.9",
     "@types/mocha": "9.1.1",
-    "@types/mz": "2.7.8",
     "@types/node": "18.19.83",
     "@types/sinon": "9.0.11",
     "@types/sinon-chai": "3.2.12",
@@ -129,7 +128,6 @@
     "merge2": "1.4.1",
     "mkdirp": "1.0.4",
     "mocha": "9.2.2",
-    "mz": "2.7.0",
     "node-polyfill-webpack-plugin": "2.0.1",
     "npm-run-all2": "5.0.2",
     "nyc": "15.1.0",

scripts/ci/check_changeset.ts

@@ -17,11 +17,10 @@
 
 import { resolve } from 'path';
 import { existsSync } from 'fs';
-import { writeFile } from 'fs/promises';
+import { readFile, writeFile } from 'fs/promises';
 import { exec } from 'child-process-promise';
 import chalk from 'chalk';
 import simpleGit from 'simple-git';
-import fs from 'mz/fs';
 
 const root = resolve(__dirname, '../..');
 const git = simpleGit(root);
@@ -49,10 +48,9 @@ const bumpRank: Record<string, number> = {
  * numerical rank, bump text, package name.
  */
 function getHighestBump(changesetPackages: Record<string, string>) {
-  const firebasePkgJson = require(resolve(
-    root,
-    'packages/firebase/package.json'
-  ));
+  const firebasePkgJson = require(
+    resolve(root, 'packages/firebase/package.json')
+  );
   let highestBump = bumpRank.patch;
   let highestBumpText = 'patch';
   let bumpPackage = '';
@@ -112,11 +110,11 @@ async function getDiffData(): Promise<{
 }
 
 async function parseChangesetFile(changesetFile: string) {
-  const fileExists = await fs.exists(changesetFile);
+  const fileExists = existsSync(changesetFile);
   if (!fileExists) {
     process.exit();
   }
-  const fileText: string = await fs.readFile(changesetFile, 'utf8');
+  const fileText: string = await readFile(changesetFile, 'utf8');
   const fileParts = fileText.split('---\n');
   const packageLines = fileParts[1].split('\n');
   const changesetPackages: Record<string, string> = {};

scripts/docgen-compat/generate-docs.js

@@ -17,7 +17,8 @@
 
 const { exec } = require('child-process-promise');
 const yargs = require('yargs');
-const fs = require('mz/fs');
+const fs = require('fs/promises');
+const { existsSync } = require('fs');
 const path = require('path');
 const yaml = require('js-yaml');
 
@@ -72,17 +73,13 @@ function runTypedoc() {
  */
 function moveFilesToRoot(subdir) {
   const srcDir = `${docPath}/${subdir}`;
-  return fs
-    .exists(srcDir)
-    .then(exists => {
-      if (exists) {
-        return exec(`mv ${srcDir}/* ${docPath}`).then(() => {
-          exec(`rmdir ${srcDir}`);
-        });
-      }
-    })
+  if (existsSync(srcDir)) {
+    return exec(`mv ${srcDir}/* ${docPath}`)
+      .then(() => exec(`rmdir ${srcDir}`))
       .catch(e => console.error(e));
   }
+  return Promise.resolve();
+}
 
 /**
  * Reformat links to match flat structure.
@@ -172,21 +169,18 @@ function checkForMissingFilesAndFixFilenameCase() {
     const tocFilePath = `${docPath}/${filename}.html`;
     // Generated filename from Typedoc will be lowercase.
     const generatedFilePath = `${docPath}/${filename.toLowerCase()}.html`;
-    return fs.exists(generatedFilePath).then(exists => {
-      if (exists) {
+    if (existsSync(generatedFilePath)) {
       // Store in a lookup table for link fixing.
-        lowerToUpperLookup[
-          `${filename.toLowerCase()}.html`
-        ] = `${filename}.html`;
+      lowerToUpperLookup[`${filename.toLowerCase()}.html`] = `${filename}.html`;
       return fs.rename(generatedFilePath, tocFilePath);
     } else {
       console.warn(
         `Missing file: ${filename}.html requested ` +
           `in toc.yaml but not found in ${docPath}`
       );
+      return Promise.resolve();
     }
   });
-  });
   return Promise.all(fileCheckPromises).then(() => filenames);
 }
 

scripts/update-internal-dep-versions.ts

@@ -28,7 +28,7 @@
 import { projectRoot } from './utils';
 import { mapPkgNameToPkgJson } from './release/utils/workspace';
 import * as yargs from 'yargs';
-import fs from 'mz/fs';
+import fs from 'fs/promises';
 
 const argv = yargs.parseSync();
 async function updateField(pkg: any, fieldName: string) {

tools/config.js

@@ -20,7 +20,7 @@ const { exec } = require('child-process-promise');
 const { homedir } = require('os');
 const firebaseTools = require('firebase-tools');
 const inquirer = require('inquirer');
-const fs = require('mz/fs');
+const fs = require('fs/promises');
 const path = require('path');
 
 // Command Line Arguments
@@ -30,10 +30,9 @@ const projectId = argv.projectId;
 let cachedToken;
 
 try {
-  const config = require(path.resolve(
-    homedir(),
-    '.config/configstore/firebase-tools.json'
-  ));
+  const config = require(
+    path.resolve(homedir(), '.config/configstore/firebase-tools.json')
+  );
   cachedToken = config.tokens.refresh_token;
 } catch (err) {}
 

tools/pretest.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * Copyright 2017 Google Inc.
+ * Copyright 2017 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 const { resolve } = require('path');
 const { spawn } = require('child-process-promise');
 const chalk = require('chalk');
-const fs = require('mz/fs');
+const fs = require('fs');
 const semver = require('semver');
 
 // CONSTANTS

yarn.lock

@@ -3680,13 +3680,6 @@
   resolved "https://registry.npmjs.org/@types/mocha/-/mocha-9.1.1.tgz#e7c4f1001eefa4b8afbd1eee27a237fee3bf29c4"
   integrity sha512-Z61JK7DKDtdKTWwLeElSEBcWGRLY8g95ic5FoQqI9CMx0ns/Ghep3B4DfcEimiKMvtamNVULVNKEsiwV3aQmXw==
 
-"@types/[email protected]":
-  version "2.7.8"
-  resolved "https://registry.npmjs.org/@types/mz/-/mz-2.7.8.tgz#5ac05b34f08e6225d7ad9b05e158b03d9ca9e2d4"
-  integrity sha512-mGLNqqwt8yu4pDw9rEphAiyWnEdok0GzOGrwi5EiTuDFxw7H3ZaEI4ASFKq4HaZtemtjQ8MkcmtWcrU4V0WkIw==
-  dependencies:
-    "@types/node" "*"
-
 "@types/node@*", "@types/node@>=10.0.0", "@types/node@>=12.12.47", "@types/node@>=13.7.0":
   version "22.10.10"
   resolved "https://registry.npmjs.org/@types/node/-/node-22.10.10.tgz#85fe89f8bf459dc57dfef1689bd5b52ad1af07e6"
@@ -12376,7 +12369,7 @@ mute-stream@^2.0.0:
   resolved "https://registry.npmjs.org/mute-stream/-/mute-stream-2.0.0.tgz#a5446fc0c512b71c83c44d908d5c7b7b4c493b2b"
   integrity sha512-WWdIxpyjEn+FhQJQQv9aQAYlHoNVdzIzUySNV1gHUPDSdZJ3yZn7pAAbQcV7B56Mvu881q9FZV+0Vx2xC44VWA==
 
-[email protected], mz@^2.4.0:
+mz@^2.4.0:
   version "2.7.0"
   resolved "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
   integrity sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==