migrate to TypeScript

sasaplus1 · Aug 21, 2020 · bdd758a · bdd758a
1 parent 55fd72e
commit bdd758a
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Showing 10 changed files with 469 additions and 2,397 deletions.
diff --git a/.babelrc.js b/.babelrc.js
diff --git a/.eslintrc.js b/.eslintrc.js
@@ -4,20 +4,54 @@ module.exports = {
     es6: true,
     node: true
   },
-  extends: ['eslint:recommended', 'plugin:prettier/recommended'],
+  extends: [
+    'eslint:recommended',
+    'plugin:node/recommended',
+    'plugin:prettier/recommended'
+  ],
   globals: {
     globalThis: true
   },
   overrides: [
+    {
+      extends: [
+        'eslint:recommended',
+        'plugin:node/recommended',
+        'plugin:@typescript-eslint/eslint-recommended',
+        'plugin:@typescript-eslint/recommended',
+        'plugin:prettier/recommended',
+        'prettier/@typescript-eslint'
+      ],
+      files: ['**/*.ts'],
+      parser: '@typescript-eslint/parser',
+      plugins: ['@typescript-eslint'],
+      rules: {
+        'node/no-unsupported-features/es-syntax': 'off'
+      },
+      settings: {
+        node: {
+          tryExtensions: ['.ts', '.js', '.json', '.json']
+        }
+      }
+    },
     {
       env: {
         mocha: true
       },
-      files: ['test/**/*.mjs']
+      files: ['test/**/*.ts'],
+      rules: {
+        'node/no-unsupported-features/es-builtins': 'off'
+      }
+    },
+    {
+      files: ['rollup.config.js'],
+      rules: {
+        'node/no-unsupported-features/es-syntax': 'off'
+      }
     }
   ],
   parserOptions: {
-    ecmaVersion: 2018,
+    ecmaVersion: 2020,
     sourceType: 'module'
   },
   root: true

diff --git a/.lintstagedrc.js b/.lintstagedrc.js
@@ -1,5 +1,5 @@
 module.exports = {
-  '*.+(js|mjs)': 'npx eslint --cache --ext .js,.mjs',
+  '*.+(js|ts)': 'npx eslint --cache --ext .js,.ts',
   '*.yml': [
     'npx prettier --parser yaml --write',
     'git diff --exit-code --quiet'

diff --git a/.mocharc.js b/.mocharc.js
@@ -1,3 +1,4 @@
 module.exports = {
-  require: '@babel/register'
+  extension: 'ts',
+  require: 'espower-typescript/guess'
 };
diff --git a/.renovaterc.json b/.renovaterc.json
@@ -6,7 +6,6 @@
     ":preserveSemverRanges",
     ":assignee(sasaplus1)",
     ":timezone(Asia/Tokyo)",
-    "group:babelMonorepo",
     "group:definitelyTyped",
     "group:jsUnitTest",
     "group:linters",

diff --git a/karma.conf.js b/karma.conf.js
@@ -1,8 +1,8 @@
 const path = require('path');
 
-const babel = require('rollup-plugin-babel');
-const commonjs = require('rollup-plugin-commonjs');
-const nodeResolve = require('rollup-plugin-node-resolve');
+const commonjs = require('@rollup/plugin-commonjs');
+const { default: nodeResolve } = require('@rollup/plugin-node-resolve');
+const typescript = require('rollup-plugin-typescript');
 
 const meta = require('./package.json');
 
@@ -34,49 +34,32 @@ module.exports = function (config) {
     },
     files: [
       {
-        pattern: 'test/**/*.mjs',
+        pattern: 'test/**/*.ts',
         type: 'js',
         watched: true
       }
     ],
     frameworks: ['mocha', 'power-assert'],
+    mime: {
+      'text/x-typescript': ['ts', 'tsx']
+    },
     preprocessors: {
-      'test/**/*.mjs': ['rollup', 'espower']
+      '+(src|test)/**/*.ts': ['rollup', 'espower']
     },
     reporters: ['dots'],
     rollupPreprocessor: {
       plugins: [
-        nodeResolve({
-          browser: true,
-          extensions: ['.mjs', '.js'],
-          main: true,
-          module: true
+        nodeResolve(),
+        typescript({
+          inlineSourceMap: true,
+          newLine: 'lf',
+          strict: true,
+          target: 'ES5'
         }),
-        commonjs(),
-        babel({
-          babelrc: false,
-          compact: false,
-          // NOTE: fix circular dependencies in core-js
-          // https://github.com/rollup/rollup-plugin-commonjs/issues/284#issuecomment-361085666
-          ignore: ['node_modules/core-js/**/*.js'],
-          minified: false,
-          presets: [
-            [
-              '@babel/preset-env',
-              {
-                debug: true,
-                modules: false,
-                targets: {
-                  browsers: ['IE >= 11', 'Android >= 4.4.4']
-                },
-                useBuiltIns: 'usage'
-              }
-            ]
-          ]
-        })
+        commonjs()
       ],
       output: {
-        format: 'umd',
+        format: 'iife',
         name: meta.name,
         sourcemap: 'inline'
       }

diff --git a/package.json b/package.json
@@ -12,17 +12,19 @@
     "type-detect": "^4.0.8"
   },
   "devDependencies": {
-    "@babel/cli": "^7.10.5",
-    "@babel/core": "^7.11.1",
-    "@babel/plugin-transform-modules-commonjs": "^7.10.4",
-    "@babel/preset-env": "^7.11.0",
-    "@babel/register": "^7.10.5",
-    "babel-plugin-transform-rename-import": "^2.3.0",
-    "babel-preset-power-assert": "^3.0.0",
+    "@rollup/plugin-commonjs": "^15.0.0",
+    "@rollup/plugin-node-resolve": "^9.0.0",
+    "@types/mocha": "^8.0.1",
+    "@types/node": "^13.13.2",
+    "@types/type-detect": "^4.0.1",
+    "@typescript-eslint/eslint-plugin": "^2.29.0",
+    "@typescript-eslint/parser": "^2.29.0",
     "benchmark": "^2.1.4",
     "eslint": "^7.7.0",
     "eslint-config-prettier": "^6.11.0",
+    "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^3.1.4",
+    "espower-typescript": "^9.0.2",
     "husky": "^4.2.5",
     "karma": "^5.1.1",
     "karma-chrome-launcher": "^3.1.0",
@@ -36,10 +38,9 @@
     "power-assert": "^1.6.1",
     "prettier": "^2.0.5",
     "rollup": "^2.26.2",
-    "rollup-plugin-babel": "^4.4.0",
-    "rollup-plugin-commonjs": "^10.1.0",
-    "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-terser": "^7.0.0"
+    "rollup-plugin-terser": "^7.0.0",
+    "rollup-plugin-typescript": "^1.0.1",
+    "typescript": "^3.8.3"
   },
   "engines": {
     "node": ">=12"
@@ -61,15 +62,14 @@
   "scripts": {
     "benchmark": "./benchmark/benchmark.js",
     "build": "run-p -l build:*",
-    "build:cjs": "BABEL_ENV=cjs babel ./src -d ./cjs -s",
-    "build:umd": "BABEL_ENV=umd rollup -c",
-    "fix": "eslint --ext .js,.mjs --fix .",
+    "build:cjs": "tsc",
+    "build:esm": "rollup -c --environment build:esm",
+    "build:umd": "rollup -c --environment build:umd",
+    "check-types": "tsc --noEmit",
+    "fix": "eslint --fix --ext .js,.ts .",
     "fixpack": "npx fixpack",
-    "lint": "eslint --cache --ext .js,.mjs .",
-    "mocha": "run-s mocha:*",
-    "mocha:cjs": "BABEL_ENV=mocha:cjs mocha --experimental-modules './test/**/*.mjs'",
-    "mocha:mjs": "BABEL_ENV=mocha:mjs mocha --experimental-modules './test/**/*.mjs'",
-    "premocha:cjs": "run-s build:cjs",
+    "lint": "eslint --cache --ext .js,.ts .",
+    "mocha": "mocha",
     "test": "run-s mocha"
   },
   "sideEffects": false,