From bd62ad2e3013b42abd7e1e392bafb7b2af9cd34f Mon Sep 17 00:00:00 2001
From: Rishabh Bhandari <rishabhbhandari6@gmail.com>
Date: Mon, 27 Feb 2023 16:55:18 +0530
Subject: [PATCH] moved the logic to replacements.mjs

Signed-off-by: Rishabh Bhandari <rishabhbhandari6@gmail.com>
---
 build/build.mjs        | 11 -----------
 build/replacements.mjs | 15 +++++++++++++++
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/build/build.mjs b/build/build.mjs
index 893ab1866..f4bed1b76 100644
--- a/build/build.mjs
+++ b/build/build.mjs
@@ -172,17 +172,6 @@ async function main() {
   await rm('lib', { recursive: true, force: true })
   await rm('test', { recursive: true, force: true })
 
-  // remove obsolete methods from readable-stream
-  const methodNameToRemove = ['fromWeb', 'toWeb']
-  const readableStreamPath = resolve(__dirname, '../lib/internal/streams/readable.js')
-  let readableStreamContent = await readFile(readableStreamPath, 'utf-8')
-
-  for (const method of methodNameToRemove) {
-    const regex = new RegExp(`Readable.+${method} = function\\s\\s*\\([^)]*\\)\\s*{[^}]*}`, 'g')
-    readableStreamContent = readableStreamContent.replace(regex, '')
-    writeFileSync(readableStreamPath, readableStreamContent, 'utf8')
-  }
-
   // Download or open the tar file
   let tarFile
 
diff --git a/build/replacements.mjs b/build/replacements.mjs
index 293b4815a..5b7e75ec2 100644
--- a/build/replacements.mjs
+++ b/build/replacements.mjs
@@ -1,3 +1,7 @@
+import { resolve } from 'node:path'
+import { writeFileSync } from 'node:fs'
+import { readFile } from 'node:fs/promises'
+
 const legacyStreamsRequireStream = ["require\\('stream'\\)", "require('./stream')"]
 
 const internalStreamsBufferPolyfill = [
@@ -152,6 +156,17 @@ const testParallelIncludeTap = [
 
 const testParallelImportStreamInMjs = [" from 'stream';", "from '../../lib/ours/index.js';"]
 
+export const removeObsoleteReadableMethods = async function(methodNames) {
+  const readableStreamPath = resolve(__dirname, '../lib/internal/streams/readable.js')
+  let readableStreamContent = await readFile(readableStreamPath, 'utf-8')
+
+  for (const method of methodNames) {
+    const regex = new RegExp(`Readable.+${method} = function\\s\\s*\\([^)]*\\)\\s*{[^}]*}`, 'g')
+    readableStreamContent = readableStreamContent.replace(regex, '')
+    writeFileSync(readableStreamPath, readableStreamContent, 'utf8')
+  }
+}
+
 const testParallelImportTapInMjs = ["(from 'assert';)", "$1\nimport tap from 'tap';"]
 
 const testParallelDuplexFromBlob = [