refactor: esm build (#384)

.gitignore

@@ -40,6 +40,7 @@ package-lock.json
 
 # built code
 lib
+dist
 es
 .vue-meta
 

package.json

@@ -36,18 +36,15 @@
     }
   ],
   "files": [
-    "lib",
-    "es",
+    "dist",
     "types/*.d.ts"
   ],
-  "main": "lib/vue-meta.common.js",
-  "web": "lib/vue-meta.js",
-  "module": "es/index.js",
+  "main": "dist/vue-meta.common.js",
+  "web": "dist/vue-meta.js",
+  "module": "dist/vue-meta.esm.js",
   "typings": "types/index.d.ts",
   "scripts": {
-    "build": "yarn build:other && yarn build:es",
-    "build:es": "rimraf es && babel src --env-name es --out-dir es",
-    "build:other": "rimraf lib && rollup -c scripts/rollup.config.js",
+    "build": "rimraf dist && rollup -c scripts/rollup.config.js",
     "coverage": "codecov",
     "dev": "cd examples && yarn dev && cd ..",
     "docs": "vuepress dev --host 0.0.0.0 --port 3000 docs",
@@ -64,9 +61,6 @@
   "dependencies": {
     "deepmerge": "^3.2.0"
   },
-  "resolutions": {
-    "webpack-dev-middleware": "3.6.0"
-  },
   "devDependencies": {
     "@babel/cli": "^7.4.4",
     "@babel/core": "^7.4.5",

scripts/rollup.config.js

@@ -55,6 +55,7 @@ function rollupConfig({
 }
 
 export default [
+  // umd web build
   rollupConfig({
     output: {
       file: pkg.web,
@@ -64,6 +65,7 @@ export default [
       buble()
     ]
   }),
+  // minimized umd web build
   rollupConfig({
     output: {
       file: pkg.web.replace('.js', '.min.js'),
@@ -74,6 +76,7 @@ export default [
       terser()
     ]
   }),
+  // common js build
   rollupConfig({
     input: 'src/index.js',
     output: {
@@ -84,5 +87,35 @@ export default [
       commonjs()
     ],
     external: Object.keys(pkg.dependencies)
+  }),
+  // esm build
+  rollupConfig({
+    input: 'src/index.js',
+    output: {
+      file: pkg.web.replace('.js', '.esm.js'),
+      format: 'es'
+    },
+    external: Object.keys(pkg.dependencies)
+  }),
+  // browser esm build
+  rollupConfig({
+    input: 'src/browser.js',
+    output: {
+      file: pkg.web.replace('.js', '.esm.browser.js'),
+      format: 'es'
+    },
+    external: Object.keys(pkg.dependencies)
+  }),
+  // minimized browser esm build
+  rollupConfig({
+    input: 'src/browser.js',
+    output: {
+      file: pkg.web.replace('.js', '.esm.browser.min.js'),
+      format: 'es'
+    },
+    plugins: [
+      terser()
+    ],
+    external: Object.keys(pkg.dependencies)
   })
 ]

yarn.lock

@@ -6979,7 +6979,7 @@ mime@1.6.0:
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
-mime@^2.0.3, mime@^2.3.1:
+mime@^2.0.3, mime@^2.4.2:
   version "2.4.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
   integrity sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==
@@ -8577,7 +8577,7 @@ randomfill@^1.0.3:
     randombytes "^2.0.5"
     safe-buffer "^5.1.0"
 
-range-parser@^1.0.3, range-parser@~1.2.1:
+range-parser@^1.2.1, range-parser@~1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
   integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
@@ -10732,14 +10732,14 @@ webpack-chain@^4.6.0, webpack-chain@^4.9.0:
     deepmerge "^1.5.2"
     javascript-stringify "^1.6.0"
 
-webpack-dev-middleware@3.6.0, webpack-dev-middleware@^3.7.0:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.6.0.tgz#71f1b04e52ff8d442757af2be3a658237d53a3e5"
-  integrity sha512-oeXA3m+5gbYbDBGo4SvKpAHJJEGMoekUbHgo1RK7CP1sz7/WOSeu/dWJtSTk+rzDCLkPwQhGocgIq6lQqOyOwg==
+webpack-dev-middleware@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.7.0.tgz#ef751d25f4e9a5c8a35da600c5fda3582b5c6cff"
+  integrity sha512-qvDesR1QZRIAZHOE3iQ4CXLZZSQ1lAUsSpnQmlB1PBfoN/xdRjmge3Dok0W4IdaVLJOGJy3sGI4sZHwjRU0PCA==
   dependencies:
     memory-fs "^0.4.1"
-    mime "^2.3.1"
-    range-parser "^1.0.3"
+    mime "^2.4.2"
+    range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
 webpack-dev-server@^3.5.1: