feat: Support lingui config in multiple formats (#941)

packages/conf/package.json

@@ -19,6 +19,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.11.2",
+    "@endemolshinegroup/cosmiconfig-typescript-loader": "^3.0.2",
     "chalk": "^4.1.0",
     "cosmiconfig": "^7.0.0",
     "jest-validate": "^26.5.2"

packages/conf/src/index.ts

@@ -1,8 +1,9 @@
 import path from "path"
 import fs from "fs"
 import chalk from "chalk"
-import { cosmiconfigSync } from "cosmiconfig"
+import { Loader, cosmiconfigSync } from "cosmiconfig"
 import { multipleValidOptions, validate } from "jest-validate"
+import get from "lodash.get"
 
 export type CatalogFormat = "lingui" | "minimal" | "po" | "csv"
 
@@ -27,7 +28,7 @@ type DefaultLocaleObject = {
 }
 export type FallbackLocales = LocaleObject | DefaultLocaleObject | false
 
-type ModuleSource = [string, string?];
+type ModuleSource = [string, string?]
 
 export type LinguiConfig = {
   catalogs: CatalogConfig[]
@@ -42,7 +43,7 @@ export type LinguiConfig = {
   orderBy: OrderBy
   pseudoLocale: string
   rootDir: string
-  runtimeConfigModule: ModuleSource | {[symbolName: string]: ModuleSource},
+  runtimeConfigModule: ModuleSource | { [symbolName: string]: ModuleSource }
   sourceLocale: string
 }
 
@@ -92,7 +93,23 @@ export function getConfig({
   skipValidation?: boolean
 } = {}): LinguiConfig {
   const defaultRootDir = cwd || process.cwd()
-  const configExplorer = cosmiconfigSync("lingui")
+  const moduleName = "lingui"
+  const configExplorer = cosmiconfigSync(moduleName, {
+    searchPlaces: [
+      "package.json",
+      `.${moduleName}rc`,
+      `.${moduleName}rc.json`,
+      `.${moduleName}rc.yaml`,
+      `.${moduleName}rc.yml`,
+      `.${moduleName}rc.ts`,
+      `.${moduleName}rc.js`,
+      `${moduleName}.config.ts`,
+      `${moduleName}.config.js`,
+    ],
+    loaders: {
+      ".ts": TypeScriptLoader,
+    },
+  })
 
   const result = configExists(configPath)
     ? configExplorer.load(configPath)
@@ -141,7 +158,7 @@ const exampleConfig = {
 }
 
 const deprecatedConfig = {
-    fallbackLocale: (config: LinguiConfig & DeprecatedFallbackLanguage) =>
+  fallbackLocale: (config: LinguiConfig & DeprecatedFallbackLanguage) =>
     ` Option ${chalk.bold("fallbackLocale")} was replaced by ${chalk.bold(
       "fallbackLocales"
     )}
@@ -151,9 +168,7 @@ const deprecatedConfig = {
     @lingui/cli now treats your current configuration as:
     {
       ${chalk.bold('"fallbackLocales"')}: {
-        default: ${chalk.bold(
-          `"${config.fallbackLocale}"`
-        )}
+        default: ${chalk.bold(`"${config.fallbackLocale}"`)}
       }
     }
 
@@ -276,17 +291,18 @@ export function fallbackLanguageMigration(
 ): LinguiConfig {
   const { fallbackLocale, fallbackLocales } = config
 
-  if (fallbackLocales === false) return {
-    ...config,
-    fallbackLocales: null,
-  }
+  if (fallbackLocales === false)
+    return {
+      ...config,
+      fallbackLocales: null,
+    }
 
   config.locales.forEach((locale) => {
     const fl = getCldrParentLocale(locale.toLowerCase())
     if (fl && !config.fallbackLocales[locale]) {
       config.fallbackLocales = {
         ...config.fallbackLocales,
-        [locale]: fl
+        [locale]: fl,
       }
     }
   })
@@ -475,7 +491,7 @@ function getCldrParentLocale(sourceLocale: string) {
     "yue-hans": "yue",
     "zh-hant": "zh",
     "zh-hant-hk": "zh",
-    "zh-hant-mo": "zh-hant-hk"
+    "zh-hant-mo": "zh-hant-hk",
   }[sourceLocale]
 }
 
@@ -525,3 +541,21 @@ export function catalogMigration(
 
 const pipe = (...functions: Array<Function>) => (args: any): any =>
   functions.reduce((arg, fn) => fn(arg), args)
+
+// copied from @EndemolShineGroup/cosmiconfig-typescript-loader
+// to support sync operations
+// if this PR gets merged and published, this piece of code can be thrown away
+// https://github.com/EndemolShineGroup/cosmiconfig-typescript-loader/pull/132
+function TypeScriptLoader(filePath: string) {
+  try {
+    require("ts-node/register")
+    const result = require(filePath)
+
+    return get(result, "default", result)
+  } catch (error) {
+    // Replace with logger class OR throw a more specific error
+    throw require("@endemolshinegroup/cosmiconfig-typescript-loader/dist/Errors/TypeScriptCompileError").fromError(
+      error
+    )
+  }
+}

yarn.lock

@@ -1068,6 +1068,16 @@
     exec-sh "^0.3.2"
     minimist "^1.2.0"
 
+"@endemolshinegroup/cosmiconfig-typescript-loader@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@endemolshinegroup/cosmiconfig-typescript-loader/-/cosmiconfig-typescript-loader-3.0.2.tgz#eea4635828dde372838b0909693ebd9aafeec22d"
+  integrity sha512-QRVtqJuS1mcT56oHpVegkKBlgtWjXw/gHNWO3eL9oyB5Sc7HBoc2OLG/nYpVfT/Jejvo3NUrD0Udk7XgoyDKkA==
+  dependencies:
+    lodash.get "^4"
+    make-error "^1"
+    ts-node "^9"
+    tslib "^2"
+
 "@eslint/eslintrc@^0.1.3":
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.1.3.tgz#7d1a2b2358552cc04834c0979bd4275362e37085"
@@ -3386,6 +3396,11 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+  integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -4758,6 +4773,11 @@ create-hmac@^1.1.0, create-hmac@^1.1.4, create-hmac@^1.1.7:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+create-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
+  integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
+
 cross-env@^7.0.2:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.2.tgz#bd5ed31339a93a3418ac4f3ca9ca3403082ae5f9"
@@ -8244,7 +8264,7 @@ lodash.foreach@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.foreach/-/lodash.foreach-4.5.0.tgz#1a6a35eace401280c7f06dddec35165ab27e3e53"
   integrity sha1-Gmo16s5AEoDH8G3d7DUWWrJ+PlM=
 
-lodash.get@^4.4.2:
+lodash.get@^4, lodash.get@^4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
   integrity sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=
@@ -8484,7 +8504,7 @@ make-dir@^3.0.0, make-dir@^3.0.2:
   dependencies:
     semver "^6.0.0"
 
-make-error@1.x:
+make-error@1.x, make-error@^1, make-error@^1.1.1:
   version "1.3.6"
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
@@ -11448,7 +11468,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.11, source-map-support@^0.5.19, source-map-support@^0.5.6, source-map-support@^0.5.7, source-map-support@~0.5.12:
+source-map-support@^0.5.11, source-map-support@^0.5.17, source-map-support@^0.5.19, source-map-support@^0.5.6, source-map-support@^0.5.7, source-map-support@~0.5.12:
   version "0.5.19"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
@@ -12302,6 +12322,18 @@ ts-jest@^26.4.1:
     semver "7.x"
     yargs-parser "20.x"
 
+ts-node@^9:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-9.1.1.tgz#51a9a450a3e959401bda5f004a72d54b936d376d"
+  integrity sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==
+  dependencies:
+    arg "^4.1.0"
+    create-require "^1.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
 ts-toolbelt@^6.3.3:
   version "6.15.5"
   resolved "https://registry.yarnpkg.com/ts-toolbelt/-/ts-toolbelt-6.15.5.tgz#cb3b43ed725cb63644782c64fbcad7d8f28c0a83"
@@ -12332,6 +12364,11 @@ tslib@^1, tslib@^1.10.0, tslib@^1.11.1, tslib@^1.11.2, tslib@^1.13.0, tslib@^1.8
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+tslib@^2:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
+
 tsutils@^3.17.1:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"
@@ -13154,3 +13191,8 @@ yargs@^7.1.0:
     which-module "^1.0.0"
     y18n "^3.2.1"
     yargs-parser "5.0.0-security.0"
+
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
+  integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==