使用 rollup 来进行打包

.gitignore

@@ -1,4 +1,4 @@
 node_modules
-lib
+dist
 .idea
 coverage

babel.config.js

@@ -0,0 +1,9 @@
+const { BABEL_ENV } = process.env
+
+module.exports = {
+  plugins: [
+    BABEL_ENV !== 'es' && '@babel/plugin-transform-modules-commonjs',
+    '@babel/plugin-proposal-class-properties',
+    '@babel/plugin-syntax-object-rest-spread',
+  ].filter(Boolean),
+}

package.json

@@ -4,10 +4,9 @@
   "description": "Just a little-saga.",
   "version": "0.4.0-SNAPSHOT",
   "scripts": {
-    "start": "babel --watch src -d lib",
-    "build": "babel src -d lib",
+    "build": "cross-env BABEL_ENV=es rollup -c -i src/index.js -o dist/little-saga.js",
     "test": "jest --coverage && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
-    "prepublishOnly": "rimraf lib/ && npm run-script build"
+    "prepublishOnly": "rimraf dist/ && npm run-script build"
   },
   "author": {
     "name": "Shi Feichao",
@@ -16,30 +15,16 @@
   "engines": {
     "node": ">=8.3"
   },
-  "main": "lib/index.js",
+  "main": "dist/little-saga.js",
   "typings": "./little-saga.d.ts",
   "files": [
-    "docs/",
-    "lib/",
+    "dist/",
     ".editorconfig",
     ".gitignore",
     "little-saga.d.ts",
     "package.json",
     "readme.md"
   ],
-  "prettier": {
-    "printWidth": 100,
-    "semi": false,
-    "singleQuote": true,
-    "trailingComma": "all"
-  },
-  "babel": {
-    "plugins": [
-      "@babel/plugin-transform-modules-commonjs",
-      "@babel/plugin-proposal-class-properties",
-      "@babel/plugin-syntax-object-rest-spread"
-    ]
-  },
   "jest": {
     "testRegex": "(/__tests__/.*|\\.(test|spec))\\.jsx?$",
     "moduleFileExtensions": [
@@ -57,11 +42,14 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-jest": "^23.4.0",
     "coveralls": "^3.0.2",
+    "cross-env": "^5.2.0",
     "husky": "^1.0.0-rc.9",
     "jest": "^23.4.0",
     "lint-staged": "^7.2.0",
     "prettier": "1.13.7",
-    "rimraf": "^2.6.2"
+    "rimraf": "^2.6.2",
+    "rollup": "^0.62.0",
+    "rollup-plugin-babel": "4.0.0-beta.7"
   },
   "dependencies": {
     "@types/node": "^10.5.2"

prettier.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  printWidth: 100,
+  semi: false,
+  singleQuote: true,
+  trailingComma: 'all',
+}

rollup.config.js

@@ -0,0 +1,11 @@
+import babel from 'rollup-plugin-babel'
+
+const config = {
+  output: {
+    file: 'little-saga.js',
+    format: 'cjs',
+  },
+  plugins: [babel({})],
+}
+
+export default config

src/internal-utils.js

@@ -1,5 +1,5 @@
 import { always, is, noop } from './utils'
-import { TASK_CANCEL } from './index'
+import { TASK_CANCEL } from './symbols'
 
 export function makeMatcher(pattern) {
   if (pattern === '*' || pattern === undefined) {

src/sagaHelpers.js

@@ -1,4 +1,6 @@
-import { io, delay, buffers } from './index'
+import io from './io'
+import { delay } from './utils'
+import * as buffers from './channel-utils/buffers'
 
 export function takeEvery(patternOrChannel, worker, ...args) {
   return io.fork(function*() {

yarn.lock

@@ -80,6 +80,13 @@
   dependencies:
     "@babel/types" "7.0.0-beta.53"
 
+"@babel/helper-module-imports@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "http://registry.npm.taobao.org/@babel/helper-module-imports/download/@babel/helper-module-imports-7.0.0-beta.51.tgz#ce00428045fbb7d5ebc0ea7bf835789f15366ab2"
+  dependencies:
+    "@babel/types" "7.0.0-beta.51"
+    lodash "^4.17.5"
+
 "@babel/helper-module-imports@7.0.0-beta.53":
   version "7.0.0-beta.53"
   resolved "http://registry.npm.taobao.org/@babel/helper-module-imports/download/@babel/helper-module-imports-7.0.0-beta.53.tgz#e735e6aa30a504b0f9d85c38a6d470a9f4aa81d9"
@@ -214,6 +221,14 @@
     invariant "^2.2.0"
     lodash "^4.17.5"
 
+"@babel/types@7.0.0-beta.51":
+  version "7.0.0-beta.51"
+  resolved "http://registry.npm.taobao.org/@babel/types/download/@babel/types-7.0.0-beta.51.tgz#d802b7b543b5836c778aa691797abf00f3d97ea9"
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.5"
+    to-fast-properties "^2.0.0"
+
 "@babel/types@7.0.0-beta.53":
   version "7.0.0-beta.53"
   resolved "http://registry.npm.taobao.org/@babel/types/download/@babel/types-7.0.0-beta.53.tgz#19a461c0da515595dfb6740b4b45dc7bb0e6b375"
@@ -228,7 +243,11 @@
   dependencies:
     any-observable "^0.3.0"
 
-"@types/node@^10.5.2":
+"@types/estree@0.0.39":
+  version "0.0.39"
+  resolved "http://registry.npm.taobao.org/@types/estree/download/@types/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
+
+"@types/node@*", "@types/node@^10.5.2":
   version "10.5.2"
   resolved "http://registry.npm.taobao.org/@types/node/download/@types/node-10.5.2.tgz#f19f05314d5421fe37e74153254201a7bf00a707"
 
@@ -908,6 +927,13 @@ coveralls@^3.0.2:
     minimist "^1.2.0"
     request "^2.85.0"
 
+cross-env@^5.2.0:
+  version "5.2.0"
+  resolved "http://registry.npm.taobao.org/cross-env/download/cross-env-5.2.0.tgz#6ecd4c015d5773e614039ee529076669b9d126f2"
+  dependencies:
+    cross-spawn "^6.0.5"
+    is-windows "^1.0.0"
+
 cross-spawn@^5.0.1:
   version "5.1.0"
   resolved "http://registry.npm.taobao.org/cross-spawn/download/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -916,6 +942,16 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+cross-spawn@^6.0.5:
+  version "6.0.5"
+  resolved "http://registry.npm.taobao.org/cross-spawn/download/cross-spawn-6.0.5.tgz#4a5ec7c64dfae22c3a14124dbacdee846d80cbc4"
+  dependencies:
+    nice-try "^1.0.4"
+    path-key "^2.0.1"
+    semver "^5.5.0"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "http://registry.npm.taobao.org/cryptiles/download/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -1113,6 +1149,10 @@ estraverse@^4.2.0:
   version "4.2.0"
   resolved "http://registry.npm.taobao.org/estraverse/download/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
+estree-walker@^0.5.2:
+  version "0.5.2"
+  resolved "http://registry.npm.taobao.org/estree-walker/download/estree-walker-0.5.2.tgz#d3850be7529c9580d815600b53126515e146dd39"
+
 esutils@^2.0.2:
   version "2.0.2"
   resolved "http://registry.npm.taobao.org/esutils/download/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
@@ -1927,7 +1967,7 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "http://registry.npm.taobao.org/is-utf8/download/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
-is-windows@^1.0.2:
+is-windows@^1.0.0, is-windows@^1.0.2:
   version "1.0.2"
   resolved "http://registry.npm.taobao.org/is-windows/download/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
 
@@ -2779,6 +2819,10 @@ needle@^2.2.0:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
+nice-try@^1.0.4:
+  version "1.0.4"
+  resolved "http://registry.npm.taobao.org/nice-try/download/nice-try-1.0.4.tgz#d93962f6c52f2c1558c0fbda6d512819f1efe1c4"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "http://registry.npm.taobao.org/node-int64/download/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -3083,7 +3127,7 @@ path-is-inside@^1.0.2:
   version "1.0.2"
   resolved "http://registry.npm.taobao.org/path-is-inside/download/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
-path-key@^2.0.0:
+path-key@^2.0.0, path-key@^2.0.1:
   version "2.0.1"
   resolved "http://registry.npm.taobao.org/path-key/download/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
 
@@ -3461,6 +3505,27 @@ rimraf@2, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2:
   dependencies:
     glob "^7.0.5"
 
+rollup-plugin-babel@4.0.0-beta.7:
+  version "4.0.0-beta.7"
+  resolved "http://registry.npm.taobao.org/rollup-plugin-babel/download/rollup-plugin-babel-4.0.0-beta.7.tgz#8c38a685f8009fc6fbf1d31597cb3c5f8060caf5"
+  dependencies:
+    "@babel/helper-module-imports" "7.0.0-beta.51"
+    rollup-pluginutils "^2.3.0"
+
+rollup-pluginutils@^2.3.0:
+  version "2.3.0"
+  resolved "http://registry.npm.taobao.org/rollup-pluginutils/download/rollup-pluginutils-2.3.0.tgz#478ace04bd7f6da2e724356ca798214884738fc4"
+  dependencies:
+    estree-walker "^0.5.2"
+    micromatch "^2.3.11"
+
+rollup@^0.62.0:
+  version "0.62.0"
+  resolved "http://registry.npm.taobao.org/rollup/download/rollup-0.62.0.tgz#4ca8b3c9582195dc9341ff8a1375f58319b95bfc"
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "*"
+
 run-node@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/run-node/download/run-node-1.0.0.tgz#46b50b946a2aa2d4947ae1d886e9856fd9cabe5e"