From ad4a28f4f689cc9a37a5c2d5dd8c012e964903b7 Mon Sep 17 00:00:00 2001
From: Yamagishi Kazutoshi <ykzts@desire.sh>
Date: Tue, 6 Jun 2017 20:31:57 +0900
Subject: [PATCH] Refactor translationRunner.js (#3604)

- Use yargs instead of minimist
- Simplify validators
- Fix typo (RFC5626 -> RFC5646)
---
 config/webpack/translationRunner.js | 138 ++++++++++++----------------
 package.json                        |   4 +-
 yarn.lock                           | 128 +++++++++++++++++++++++++-
 3 files changed, 188 insertions(+), 82 deletions(-)

diff --git a/config/webpack/translationRunner.js b/config/webpack/translationRunner.js
index 8145c605f..79bb6980f 100644
--- a/config/webpack/translationRunner.js
+++ b/config/webpack/translationRunner.js
@@ -1,112 +1,94 @@
-/*eslint no-console: "off"*/
-const manageTranslations = require('react-intl-translations-manager').default;
 const fs = require('fs');
+const path = require('path');
+const { default: manageTranslations } = require('react-intl-translations-manager');
 
-const testRFC5626 = function (reRFC5646) {
-  return function (language) {
-    if (!language.match(reRFC5646)) {
-      throw new Error('Not RFC5626 name');
-    }
-  };
+const RFC5646_REGEXP = /^[a-z]{2,3}(?:|[A-Z]+)$/;
+
+const rootDirectory = path.resolve(__dirname, '..', '..');
+const translationsDirectory = path.resolve(rootDirectory, 'app', 'javascript', 'mastodon', 'locales');
+const messagesDirectory = path.resolve(rootDirectory, 'build', 'messages');
+const availableLanguages = fs.readdirSync(translationsDirectory).reduce((languages, filename) => {
+  const basename = path.basename(filename, '.json');
+  if (RFC5646_REGEXP.test(basename)) {
+    languages.push(basename);
+  }
+  return languages;
+}, []);
+
+const testRFC5646 = language => {
+  if (!RFC5646_REGEXP.test(language)) {
+    throw new Error('Not RFC5646 name');
+  }
 };
 
-const testAvailability = function (availableLanguages) {
-  return function (language) {
-    if ((argv.force !== true) && availableLanguages.indexOf(language) < 0) {
-      throw new Error('Not an available language');
-    }
-  };
+const testAvailability = language => {
+  if (!availableLanguages.includes(language)) {
+    throw new Error('Not an available language');
+  }
 };
 
-const validateLanguages = function (languages, validators) {
-  let invalidLanguages = languages.reduce((acc, language) => {
+const validateLanguages = (languages, validators) => {
+  const invalidLanguages = languages.reduce((acc, language) => {
     try {
-      for (let validator of validators) {
-        validator(language);
-      }
+      validators.forEach(validator => validator(language));
     } catch (error) {
-      acc.push({
-        language,
-        error,
-      });
+      acc.push({ language, error });
     }
     return acc;
   }, []);
 
   if (invalidLanguages.length > 0) {
-    console.log('\nError: Specified invalid LANGUAGES:');
-    for (let { language, error } of invalidLanguages) {
-      console.error(`* ${language}: ${error}`);
-    }
-    console.log('\nUse yarn "manage:translations -- --help" for usage information\n');
+    // eslint-disable-next-line no-console
+    console.error(`
+Error: Specified invalid LANGUAGES:
+${invalidLanguages.map(({ language, error }) => `* ${language}: ${error.message}`).join('\n')}
+
+Use yarn "manage:translations -- --help" for usage information
+`);
     process.exit(1);
   }
 };
 
-const printHelpMessages = function () {
-  console.log(
-`Usage: yarn manage:translations -- [OPTIONS] [LANGUAGES]
+const { argv } = require('yargs')
+  .usage(`Usage: yarn manage:translations -- [OPTIONS] [LANGUAGES]
 
-Manage javascript translation files in mastodon. Generates and update
-translations in translationsDirectory: ${translationsDirectory}
-
-OPTIONS
-  -h,--help    show this message
-  -f,--force   force using the provided languages. create files if not exists.
-               default: false
+Manage JavaScript translation files in Mastodon. Generates and update translations in translationsDirectory: ${translationsDirectory}
 
 LANGUAGES
-The RFC5646 language tag for the language you want to test or fix. If you want
-to input multiple languages, separate them with space.
+The RFC5646 language tag for the language you want to test or fix. If you want to input multiple languages, separate them with space.
 
 Available languages:
-${availableLanguages}
-`);
-};
-
-// parse arguments
-const argv = require('minimist')(process.argv.slice(2), {
-  'boolean': [
-    'force',
-    'help',
-  ],
-  'alias': {
-    'f': 'force',
-    'h': 'help',
-  },
-});
-const translationsDirectory = 'app/javascript/mastodon/locales';
-const messagesDirectory = 'build/messages';
-const localeFn = /^([a-z]{2,3}(|\-[A-Z]+))\.json$/;
-const reRFC5646 = /^[a-z]{2,3}(|\-[A-Z]+)$/;
-const availableLanguages = fs.readdirSync(`${process.cwd()}/${translationsDirectory}`).reduce((acc, fn) => {
-  if (fn.match(localeFn)) {
-    acc.push(fn.replace(localeFn, '$1'));
-  }
-  return acc;
-}, []);
-
-// print help message
-if (argv.help) {
-  printHelpMessages();
-  process.exit(0);
-}
+${availableLanguages.join(', ')}
+`)
+  .help('h', 'show this message')
+  .alias('h', 'help')
+  .options({
+    f: {
+      alias: 'force',
+      default: false,
+      describe: 'force using the provided languages. create files if not exists.',
+      type: 'boolean',
+    },
+  });
 
 // check if message directory exists
-if (!fs.existsSync(`${process.cwd()}/${messagesDirectory}`)) {
-  console.error(`\nError: messageDirectory not exists\n(${process.cwd()}/${messagesDirectory})\n`);
-  console.error('Try to run "yarn build:development" first');
+if (!fs.existsSync(messagesDirectory)) {
+  // eslint-disable-next-line no-console
+  console.error(`
+Error: messagesDirectory not exists
+(${messagesDirectory})
+Try to run "yarn build:development" first`);
   process.exit(1);
 }
 
 // determine the languages list
-const languages = (argv._.length === 0) ? availableLanguages : argv._;
+const languages = (argv._.length > 0) ? argv._ : availableLanguages;
 
 // validate languages
 validateLanguages(languages, [
-  testRFC5626(reRFC5646),
-  testAvailability(availableLanguages),
-]);
+  testRFC5646,
+  !argv.force && testAvailability,
+].filter(Boolean));
 
 // manage translations
 manageTranslations({
diff --git a/package.json b/package.json
index 63231a75d..866fbb946 100644
--- a/package.json
+++ b/package.json
@@ -121,12 +121,12 @@
     "eslint-plugin-jsx-a11y": "^4.0.0",
     "eslint-plugin-react": "^6.10.3",
     "jsdom": "^10.1.0",
-    "minimist": "^1.2.0",
     "mocha": "^3.4.1",
     "react-intl-translations-manager": "^5.0.0",
     "react-test-renderer": "^15.5.4",
     "sinon": "^2.3.2",
-    "webpack-dev-server": "^2.4.5"
+    "webpack-dev-server": "^2.4.5",
+    "yargs": "^8.0.1"
   },
   "optionalDependencies": {
     "fsevents": "*"
diff --git a/yarn.lock b/yarn.lock
index 203f80a66..cd4ffd1fc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1497,6 +1497,10 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
+camelcase@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
+
 caniuse-api@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
@@ -1894,6 +1898,13 @@ cross-spawn@^3.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
+cross-spawn@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -2611,6 +2622,18 @@ evp_bytestokey@^1.0.0:
   dependencies:
     create-hash "^1.1.1"
 
+execa@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.5.1.tgz#de3fb85cb8d6e91c85bcbceb164581785cb57b36"
+  dependencies:
+    cross-spawn "^4.0.0"
+    get-stream "^2.2.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 exenv@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/exenv/-/exenv-1.2.0.tgz#3835f127abf075bfe082d0aed4484057c78e3c89"
@@ -2792,7 +2815,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.1.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -2991,6 +3014,13 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
+get-stream@^2.2.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
+  dependencies:
+    object-assign "^4.0.1"
+    pinkie-promise "^2.0.0"
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -3592,7 +3622,7 @@ is-resolvable@^1.0.0:
   dependencies:
     tryit "^1.0.1"
 
-is-stream@^1.0.1:
+is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
@@ -3823,6 +3853,15 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
+load-json-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
 loader-runner@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.0.tgz#f482aea82d543e07921700d5a46ef26fdac6b8a2"
@@ -4067,6 +4106,12 @@ media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
+mem@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-1.1.0.tgz#5edd52b485ca1d900fe64895505399a0dfa45f76"
+  dependencies:
+    mimic-fn "^1.0.0"
+
 memory-fs@^0.4.0, memory-fs@~0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/memory-fs/-/memory-fs-0.4.1.tgz#3a9a20b8462523e447cfbc7e8bb80ed667bfc552"
@@ -4136,6 +4181,10 @@ mime@1.3.4, mime@1.3.x, mime@^1.3.4:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
 
+mimic-fn@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
+
 minimalistic-assert@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
@@ -4373,6 +4422,12 @@ normalize-url@^1.4.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
+npm-run-path@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
+  dependencies:
+    path-key "^2.0.0"
+
 "npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.0, npmlog@^4.0.2, npmlog@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.0.tgz#dc59bee85f64f00ed424efb2af0783df25d1c0b5"
@@ -4526,6 +4581,14 @@ os-locale@^1.4.0:
   dependencies:
     lcid "^1.0.0"
 
+os-locale@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.0.0.tgz#15918ded510522b81ee7ae5a309d54f639fc39a4"
+  dependencies:
+    execa "^0.5.0"
+    lcid "^1.0.0"
+    mem "^1.1.0"
+
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -4545,6 +4608,10 @@ output-file-sync@^1.1.0:
     mkdirp "^0.5.1"
     object-assign "^4.1.0"
 
+p-finally@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
+
 p-limit@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
@@ -4622,6 +4689,10 @@ path-is-inside@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
+path-key@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
+
 path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
@@ -4644,6 +4715,12 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+path-type@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
+  dependencies:
+    pify "^2.0.0"
+
 pathval@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
@@ -5630,6 +5707,13 @@ read-pkg-up@^1.0.1:
     find-up "^1.0.0"
     read-pkg "^1.0.0"
 
+read-pkg-up@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
+  dependencies:
+    find-up "^2.0.0"
+    read-pkg "^2.0.0"
+
 read-pkg@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -5638,6 +5722,14 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
+read-pkg@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
+  dependencies:
+    load-json-file "^2.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^2.0.0"
+
 readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2, readable-stream@^2.2.6, readable-stream@^2.2.9:
   version "2.2.10"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.10.tgz#effe72bb7c884c0dd335e2379d526196d9d011ee"
@@ -6362,6 +6454,10 @@ strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
+strip-eof@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
+
 strip-indent@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
@@ -6900,6 +6996,10 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+
 which@1, which@^1.2.9:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
@@ -6988,6 +7088,12 @@ yargs-parser@^5.0.0:
   dependencies:
     camelcase "^3.0.0"
 
+yargs-parser@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
+  dependencies:
+    camelcase "^4.1.0"
+
 yargs@^6.0.0:
   version "6.6.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
@@ -7024,6 +7130,24 @@ yargs@^7.0.0:
     y18n "^3.2.1"
     yargs-parser "^5.0.0"
 
+yargs@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.1.tgz#420ef75e840c1457a80adcca9bc6fa3849de51aa"
+  dependencies:
+    camelcase "^4.1.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    read-pkg-up "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^7.0.0"
+
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"