Remove requirement for bundler custom config

build/build.mjs

@@ -15,6 +15,7 @@ import { headers } from './headers.mjs'
 import { replacements } from './replacements.mjs'
 
 const baseMatcher = /^(?:lib|test)/
+const strictMatcher = /^(['"']use strict.+)/
 
 function highlightFile(file, color) {
   return `\x1b[${color}m${file.replace(process.cwd() + '/', '')}\x1b[0m`
@@ -101,7 +102,11 @@ async function processFiles(contents) {
 
       for (const footerKey of matchingHeaders) {
         for (const header of headers[footerKey]) {
-          content = header + content
+          if (content.match(strictMatcher)) {
+            content = content.replace(strictMatcher, `$&;${header}`)
+          } else {
+            content = header + content
+          }
         }
       }
     }

build/headers.mjs

@@ -1,3 +1,19 @@
+const bufferRequire = `
+  /* replacement start */
+
+  const { Buffer } = require('buffer')
+
+  /* replacement end */
+`
+
+const processRequire = `
+  /* replacement start */
+
+  const process = require('process')
+
+  /* replacement end */
+`
+
 const testPolyfills = `
   /* replacement start */
   const AbortController = globalThis.AbortController || require('abort-controller').AbortController;
@@ -16,6 +32,16 @@ const testPolyfills = `
 `
 
 export const headers = {
+  'lib/stream.js':
+    [bufferRequire],
+  'lib/internal/streams/(destroy|duplexify|end-of-stream|from|pipeline|readable|writable).js':
+    [processRequire],
+  'test/browser/test-stream-(big-packet|pipe-cleanup-pause|pipeline|readable-event|transform-constructor-set-methods|transform-split-objectmode|unshift-empty-chunk|unshift-read-race|writable-change-default-encoding|writable-constructor-set-methods|writable-decoded-encoding|writev).js':
+    [bufferRequire],
+  'test/browser/test-stream2-(base64-single-char-read-end|compatibility|large-read-stall|pipe-error-handling|readable-empty-buffer-no-eof|readable-from-list|readable-legacy-drain|readable-non-empty-end|readable-wrap|set-encoding|transform|writable).js':
+    [bufferRequire],
+  'test/browser/test-stream3-pause-then-read.js':
+    [bufferRequire],
   'test/parallel/test-stream-(add-abort-signal|drop-take|duplex-destroy|flatMap|forEach|filter|finished|readable-destroy|reduce|toArray|writable-destroy).js':
     [testPolyfills]
 }

build/replacements.mjs

@@ -34,8 +34,6 @@ const internalStreamsNoRequireAbortController = [
 
 const internalStreamsRequireInternal = ["require\\('internal/([^']+)'\\)", "require('../$1')"]
 
-const internalStreamsNoRequireBuffer = ["const \\{ Buffer \\} = require\\('buffer'\\);", '']
-
 const internalStreamsRequireErrors = ["require\\('internal/errors'\\)", "require('../../ours/errors')"]
 
 const internalStreamsRequireEventEmitter = ['const EE =', 'const { EventEmitter: EE } =']
@@ -233,7 +231,6 @@ export const replacements = {
     internalStreamsNoRequireAbortController
   ],
   'lib/internal/streams/.+': [
-    internalStreamsNoRequireBuffer,
     internalStreamsRequireErrors,
     internalStreamsRequireEventEmitter,
     internalStreamsRequirePrimordials,

lib/internal/streams/buffer_list.js

@@ -2,6 +2,8 @@
 
 const { StringPrototypeSlice, SymbolIterator, TypedArrayPrototypeSet, Uint8Array } = require('../../ours/primordials')
 
+const { Buffer } = require('buffer')
+
 const { inspect } = require('../../ours/util')
 
 module.exports = class BufferList {

lib/internal/streams/destroy.js

@@ -1,5 +1,10 @@
 'use strict'
 
+/* replacement start */
+
+const process = require('process')
+/* replacement end */
+
 const {
   aggregateTwoErrors,
   codes: { ERR_MULTIPLE_CALLBACK },

lib/internal/streams/duplexify.js

@@ -1,4 +1,8 @@
-'use strict'
+/* replacement start */
+const process = require('process')
+/* replacement end */
+
+;('use strict')
 
 const bufferModule = require('buffer')
 

lib/internal/streams/end-of-stream.js

@@ -1,6 +1,10 @@
+/* replacement start */
+const process = require('process')
+/* replacement end */
 // Ported from https://github.com/mafintosh/end-of-stream with
 // permission from the author, Mathias Buus (@mafintosh).
-'use strict'
+
+;('use strict')
 
 const { AbortError, codes } = require('../../ours/errors')
 

lib/internal/streams/from.js

@@ -1,7 +1,14 @@
 'use strict'
 
+/* replacement start */
+
+const process = require('process')
+/* replacement end */
+
 const { PromisePrototypeThen, SymbolAsyncIterator, SymbolIterator } = require('../../ours/primordials')
 
+const { Buffer } = require('buffer')
+
 const { ERR_INVALID_ARG_TYPE, ERR_STREAM_NULL_VALUES } = require('../../ours/errors').codes
 
 function from(Readable, iterable, opts) {

lib/internal/streams/pipeline.js

@@ -1,6 +1,10 @@
+/* replacement start */
+const process = require('process')
+/* replacement end */
 // Ported from https://github.com/mafintosh/pump with
 // permission from the author, Mathias Buus (@mafintosh).
-'use strict'
+
+;('use strict')
 
 const { ArrayIsArray, Promise, SymbolAsyncIterator } = require('../../ours/primordials')
 

lib/internal/streams/readable.js

@@ -1,3 +1,6 @@
+/* replacement start */
+const process = require('process')
+/* replacement end */
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +21,8 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
-'use strict'
+
+;('use strict')
 
 const {
   ArrayPrototypeIndexOf,
@@ -41,6 +45,8 @@ const { EventEmitter: EE } = require('events')
 
 const { Stream, prependListener } = require('./legacy')
 
+const { Buffer } = require('buffer')
+
 const { addAbortSignal } = require('./add-abort-signal')
 
 const eos = require('./end-of-stream')

lib/internal/streams/writable.js

@@ -1,3 +1,6 @@
+/* replacement start */
+const process = require('process')
+/* replacement end */
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -21,7 +24,8 @@
 // A bit simpler than readable streams.
 // Implement an async ._write(chunk, encoding, cb), and it'll handle all
 // the drain event emission and buffering.
-'use strict'
+
+;('use strict')
 
 const {
   ArrayPrototypeSlice,
@@ -42,6 +46,8 @@ const { EventEmitter: EE } = require('events')
 
 const Stream = require('./legacy').Stream
 
+const { Buffer } = require('buffer')
+
 const destroyImpl = require('./destroy')
 
 const { addAbortSignal } = require('./add-abort-signal')

lib/stream.js

@@ -1,3 +1,6 @@
+/* replacement start */
+const { Buffer } = require('buffer')
+/* replacement end */
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +21,8 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
-'use strict'
+
+;('use strict')
 
 const { ObjectDefineProperty, ObjectKeys, ReflectApply } = require('./ours/primordials')
 

package.json

@@ -44,7 +44,10 @@
     "lint": "eslint src"
   },
   "dependencies": {
-    "abort-controller": "^3.0.0"
+    "abort-controller": "^3.0.0",
+    "buffer": "^6.0.3",
+    "events": "^3.3.0",
+    "process": "^0.11.10"
   },
   "devDependencies": {
     "@babel/core": "^7.17.10",
@@ -55,7 +58,6 @@
     "@rollup/plugin-node-resolve": "^13.3.0",
     "@sinonjs/fake-timers": "^9.1.2",
     "browserify": "^17.0.0",
-    "buffer-es6": "^4.9.3",
     "c8": "^7.11.2",
     "esbuild": "^0.14.39",
     "esbuild-plugin-alias": "^0.2.1",
@@ -66,7 +68,6 @@
     "eslint-plugin-promise": "^6.0.0",
     "playwright": "^1.21.1",
     "prettier": "^2.6.2",
-    "process-es6": "^0.11.6",
     "rollup": "^2.72.1",
     "rollup-plugin-polyfill-node": "^0.9.0",
     "tap": "^16.2.0",

process

@@ -0,0 +1,3 @@
+// workaround for browserify bug: https://github.com/browserify/browserify/issues/1986
+
+module.exports = require('./node_modules/process')

src/test/browser/fixtures/esbuild-browsers-shims.mjs

@@ -1,8 +1,6 @@
-import * as bufferModule from 'buffer-es6'
-import * as processModule from 'process-es6'
+import * as processModule from 'process'
 
 export const process = processModule
-export const Buffer = bufferModule.Buffer
 
 export function setImmediate(fn, ...args) {
   setTimeout(() => fn(...args), 1)

src/test/browser/fixtures/rollup.browser.config.mjs

@@ -16,8 +16,7 @@ export default {
     commonjs(),
     nodePolyfill(),
     inject({
-      process: resolve('node_modules/process-es6/browser.js'),
-      Buffer: [resolve('node_modules/buffer-es6/index.js'), 'Buffer']
+      process: resolve('node_modules/process/browser.js')
     }),
     nodeResolve({
       browser: true,

src/test/browser/fixtures/webpack.browser.config.mjs

@@ -21,8 +21,7 @@ export default {
       raw: true
     }),
     new webpack.ProvidePlugin({
-      process: require.resolve('process-es6'),
-      Buffer: [require.resolve('buffer-es6'), 'Buffer']
+      process: require.resolve('process')
     })
   ],
   resolve: {

test/browser/fixtures/esbuild-browsers-shims.mjs

@@ -1,8 +1,6 @@
-import * as bufferModule from 'buffer-es6'
-import * as processModule from 'process-es6'
+import * as processModule from 'process'
 
 export const process = processModule
-export const Buffer = bufferModule.Buffer
 
 export function setImmediate(fn, ...args) {
   setTimeout(() => fn(...args), 1)

test/browser/fixtures/rollup.browser.config.mjs

@@ -16,8 +16,7 @@ export default {
     commonjs(),
     nodePolyfill(),
     inject({
-      process: resolve('node_modules/process-es6/browser.js'),
-      Buffer: [resolve('node_modules/buffer-es6/index.js'), 'Buffer']
+      process: resolve('node_modules/process/browser.js')
     }),
     nodeResolve({
       browser: true,

test/browser/fixtures/webpack.browser.config.mjs

@@ -21,8 +21,7 @@ export default {
       raw: true
     }),
     new webpack.ProvidePlugin({
-      process: require.resolve('process-es6'),
-      Buffer: [require.resolve('buffer-es6'), 'Buffer']
+      process: require.resolve('process')
     })
   ],
   resolve: {

test/browser/test-stream-big-packet.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const inherits = require('inherits')
 

test/browser/test-stream-pipe-cleanup-pause.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const stream = require('../../lib/ours/index')
 

test/browser/test-stream-pipeline.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Readable, Writable, pipeline } = require('../../lib/ours/index')
 

test/browser/test-stream-readable-event.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Readable } = require('../../lib/ours/index')
 

test/browser/test-stream-transform-constructor-set-methods.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Transform } = require('../../lib/ours/index')
 

test/browser/test-stream-transform-split-objectmode.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Transform } = require('../../lib/ours/index')
 

test/browser/test-stream-unshift-empty-chunk.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Readable } = require('../../lib/ours/index')
 

test/browser/test-stream-unshift-read-race.js

@@ -1,4 +1,9 @@
-'use strict' // This test verifies that:
+'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
+// This test verifies that:
 // 1. unshift() does not cause colliding _read() calls.
 // 2. unshift() after the 'end' event is an error, but after the EOF
 //    signalling null, it is ok, and just creates a new readable chunk.

test/browser/test-stream-writable-change-default-encoding.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const inherits = require('inherits')
 

test/browser/test-stream-writable-constructor-set-methods.js

@@ -1,4 +1,8 @@
 'use strict'
+/* replacement start */
+
+const { Buffer } = require('buffer')
+/* replacement end */
 
 const { Writable } = require('../../lib/ours/index')