feat: add mjs build (es6 modules)

Author: nodkz

.babelrc

@@ -4,7 +4,7 @@
     "transform-flow-strip-types",
   ],
   "env": {
-    "lib": {
+    "cjs": {
       "plugins": [
         ["transform-runtime", { "polyfill": false }]
       ],
@@ -16,6 +16,20 @@
         }]
       ]
     },
+    "mjs": {
+      "presets": [
+        [
+          "env",
+          {
+            "targets": {
+              "node": "8.0.0"
+            },
+            "loose": true,
+            "modules": false
+          }
+        ]
+      ]
+    },
     "es": {
     },
     "node8": {

.eslintignore

@@ -1,4 +1,5 @@
 lib/*
 es/*
+mjs/*
 node8/*
 flow-typed

.flowconfig

@@ -4,7 +4,7 @@
 <PROJECT_ROOT>/lib/.*
 <PROJECT_ROOT>/es/.*
 <PROJECT_ROOT>/node8/.*
-<PROJECT_ROOT>/dist/.*
+<PROJECT_ROOT>/mjs/.*
 .*/node_modules/ajv.*
 .*/node_modules/acorn.*
 .*/node_modules/async.*

.gitignore

@@ -42,6 +42,7 @@ node_modules
 /es
 /lib
 /node8
+/mjs
 
 coverage
 .nyc_output

package.json

@@ -5,9 +5,11 @@
   "files": [
     "lib",
     "node8",
-    "es"
+    "es",
+    "mjs"
   ],
   "main": "lib/index.js",
+  "module": "mjs/index.mjs",
   "repository": {
     "type": "git",
     "url": "https://github.com/graphql-compose/graphql-compose-mongoose.git"
@@ -76,10 +78,12 @@
     ]
   },
   "scripts": {
-    "build": "npm run build-lib && npm run build-es && npm run build-node8",
-    "build-lib": "rimraf lib && BABEL_ENV=lib babel src --ignore __tests__,__mocks__ -d lib && COPY_TO_FOLDER=lib npm run build-flow",
+    "build": "npm run build-lib && npm run build-mjs && npm run build-es && npm run build-node8",
+    "build-lib": "rimraf lib && BABEL_ENV=cjs babel src --ignore __tests__,__mocks__ -d lib && COPY_TO_FOLDER=lib npm run build-flow",
     "build-es": "rimraf es && BABEL_ENV=es babel src --ignore __tests__,__mocks__ -d es && COPY_TO_FOLDER=es npm run build-flow",
     "build-node8": "rimraf node8 && BABEL_ENV=node8 babel src --ignore __tests__,__mocks__ -d node8 && COPY_TO_FOLDER=node8 npm run build-flow",
+    "build-mjs": "rimraf mjs && BABEL_ENV=mjs babel src --ignore __tests__,__mocks__ -d mjs && yarn build-mjs-rename && COPY_TO_FOLDER=mjs npm run build-flow",
+    "build-mjs-rename": "find ./mjs -name \"*.js\" -exec bash -c 'mv \"$1\" \"${1%.js}\".mjs' - '{}' \\;",
     "build-flow": "echo `$1` && find ./src -name '*.js' -not -path '*/__*' | while read filepath; do cp $filepath `echo ./${COPY_TO_FOLDER:-lib}$filepath | sed 's/.\\/src\\//\\//g'`.flow; done",
     "watch": "jest --watch",
     "coverage": "jest --coverage --maxWorkers 2",