Add default export (fixes #6), warn on rollup < 1.0.0

README.md

@@ -29,7 +29,7 @@ $ npm install --save-dev rollup-plugin-analyzer
 
 ### from rollup config
 ```js
-import { plugin as analyze } from 'rollup-plugin-analyzer'
+import analyze from 'rollup-plugin-analyzer'
 
 export default {
   entry: 'module.js',
@@ -42,7 +42,7 @@ export default {
 ### from build script
 ```js
 import { rollup } from 'rollup'
-import { plugin as analyze } from 'rollup-plugin-analyzer'
+import analyze from 'rollup-plugin-analyzer'
 
 rollup({
   entry: 'main.js',
@@ -53,7 +53,7 @@ rollup({
 ### CI usage example
 ```js
 import { rollup } from 'rollup'
-import { plugin as analyze } from 'rollup-plugin-analyzer'
+import analyze from 'rollup-plugin-analyzer'
 const limitBytes = 1e6
 
 const onAnalysis = ({bundleSize}) => {

index.js

@@ -137,8 +137,19 @@ const plugin = (opts = {}) => {
 
   return {
     name: 'rollup-plugin-analyzer',
+    buildStart: function () {
+      const ctx = this || {};
+      if (!ctx.meta || +(ctx.meta.rollupVersion || 0).charAt(0) < 1) {
+        const msg = `` +
+          `rollup-plugin-analyzer: Rollup version not supported\n${tab}` +
+          `Starting with 3.0.0 only Rollup >= 1.0.0 is supported\n${tab}` +
+          `Use rollup-plugin-analyzer 2.1.0 for prior Rollup versions`;
+        console.error(msg);
+      }
+    },
     generateBundle: function (outOpts, bundle, isWrite) {
       const ctx = this || {};
+      if (!ctx.meta || +(ctx.meta.rollupVersion || 0).charAt(0) < 1) return null
       const getDeps = (id) => {
         return ctx.getModuleInfo ? ctx.getModuleInfo(id).importedIds : []
       };
@@ -160,7 +171,10 @@ const plugin = (opts = {}) => {
   }
 };
 
+Object.assign(plugin, { plugin, analyze, formatted, reporter });
+
 exports.reporter = reporter;
 exports.analyze = analyze;
 exports.formatted = formatted;
 exports.plugin = plugin;
+exports.default = plugin;

module.js

@@ -135,8 +135,19 @@ export const plugin = (opts = {}) => {
 
   return {
     name: 'rollup-plugin-analyzer',
+    buildStart: function () {
+      const ctx = this || {}
+      if (!ctx.meta || +(ctx.meta.rollupVersion || 0).charAt(0) < 1) {
+        const msg = `` +
+          `rollup-plugin-analyzer: Rollup version not supported\n${tab}` +
+          `Starting with 3.0.0 only Rollup >= 1.0.0 is supported\n${tab}` +
+          `Use rollup-plugin-analyzer 2.1.0 for prior Rollup versions`
+        console.error(msg)
+      }
+    },
     generateBundle: function (outOpts, bundle, isWrite) {
       const ctx = this || {}
+      if (!ctx.meta || +(ctx.meta.rollupVersion || 0).charAt(0) < 1) return null
       const getDeps = (id) => {
         return ctx.getModuleInfo ? ctx.getModuleInfo(id).importedIds : []
       }
@@ -157,3 +168,7 @@ export const plugin = (opts = {}) => {
     }
   }
 }
+
+Object.assign(plugin, { plugin, analyze, formatted, reporter })
+
+export default plugin

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rollup-plugin-analyzer",
-  "version": "2.1.0",
+  "version": "3.0.0",
   "description": "Mad metrics for your rollup bundles, know all the things",
   "main": "index.js",
   "module": "module.js",
@@ -9,8 +9,8 @@
     "module.js"
   ],
   "scripts": {
-    "test": "rollup -c && ava --verbose --failFast --serial",
-    "precommit": "rollup -c && ava && git add index.js",
+    "test": "node ./node_modules/rollup/bin/rollup -c && ava --verbose --failFast --serial",
+    "precommit": "node ./node_modules/rollup/bin/rollup -c && ava && git add index.js",
     "changelog": "auto-changelog -u -l 50 && git add CHANGELOG.md"
   },
   "repository": {
@@ -42,6 +42,7 @@
     "ava": "^1.0.1",
     "husky": "^1.3.1",
     "rollup": "npm:rollup@latest",
+    "rollup60": "npm:[email protected]",
     "rollup100": "npm:[email protected]"
   },
   "dependencies": {}

rollup.config.js

@@ -1,9 +1,9 @@
 'use strict'
 
-import { plugin } from './module'
+import analyzer from './module'
 
 export default {
-  plugins: [plugin()],
+  plugins: [analyzer()],
   input: 'module.js',
   output: {
     file: 'index.js',

test/test.js

@@ -4,6 +4,7 @@ import test from 'ava'
 import { analyze, formatted, plugin } from './../index'
 import { resolve as resolvePath, join, basename } from 'path'
 import { rollup as rollupLatest } from 'rollup'
+import { rollup as rollup60 } from 'rollup60'
 import { rollup as rollup100 } from 'rollup100'
 const skipFormatted = true
 const fixtures = resolvePath(__dirname, 'fixtures')
@@ -234,3 +235,17 @@ rollers.forEach(({ rollup, version, opts, noTreeshake }) => {
     })
   }
 })
+
+test(`rollup < 1.0.0 prints warning about support`, async (assert) => {
+  let results = ''
+  const oldCslErr = console.error
+  console.error = (...args) => {
+    results += args.join()
+  }
+  let rollOpts = Object.assign({ plugins: [plugin()] }, baseOpts)
+  let bundle = await rollup60(rollOpts)
+  await bundle.generate({ format: 'cjs' })
+  const expect = `rollup-plugin-analyzer: Rollup version not supported`
+  assert.is(results.split('\n')[0], expect)
+  console.error = oldCslErr
+})

yarn.lock

@@ -2783,6 +2783,14 @@ rimraf@^2.2.8, rimraf@^2.6.1:
     "@types/node" "*"
     acorn "^6.0.4"
 
+"rollup60@npm:[email protected]":
+  version "0.60.7"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.60.7.tgz#2b62ef9306f719b1ab85a7814b3e6596ac51fae8"
+  integrity sha512-Uj5I1A2PnDgA79P+v1dsNs1IHVydNgeJdKWRfoEJJdNMmyx07TRYqUtPUINaZ/gDusncFy1SZsT3lJnBBI8CGw==
+  dependencies:
+    "@types/estree" "0.0.39"
+    "@types/node" "*"
+
 run-node@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/run-node/-/run-node-1.0.0.tgz#46b50b946a2aa2d4947ae1d886e9856fd9cabe5e"