Replace changelog versions in ./scripts/draft-blog-post.js (#9058)

scripts/draft-blog-post.js

@@ -5,10 +5,12 @@
 const fs = require("fs");
 const path = require("path");
 const rimraf = require("rimraf");
+const semver = require("semver");
 
 const changelogUnreleasedDir = path.join(__dirname, "../changelog_unreleased");
 const blogDir = path.join(__dirname, "../website/blog");
 const introFile = path.join(changelogUnreleasedDir, "blog-post-intro.md");
+const previousVersion = require("prettier/package.json").version;
 const version = require("../package.json").version.replace(/-.+/, "");
 const postGlob = path.join(blogDir, `????-??-??-${version}.md`);
 const postFile = path.join(
@@ -80,22 +82,24 @@ rimraf.sync(postGlob);
 
 fs.writeFileSync(
   postFile,
-  [
-    fs.readFileSync(introFile, "utf8").trim(),
-    "<!--truncate-->",
-    ...printEntries({
-      title: "Highlights",
-      filter: (entry) => entry.highlight,
-    }),
-    ...printEntries({
-      title: "Breaking changes",
-      filter: (entry) => entry.breaking && !entry.highlight,
-    }),
-    ...printEntries({
-      title: "Other changes",
-      filter: (entry) => !entry.breaking && !entry.highlight,
-    }),
-  ].join("\n\n") + "\n"
+  replaceVersions(
+    [
+      fs.readFileSync(introFile, "utf8").trim(),
+      "<!--truncate-->",
+      ...printEntries({
+        title: "Highlights",
+        filter: (entry) => entry.highlight,
+      }),
+      ...printEntries({
+        title: "Breaking changes",
+        filter: (entry) => entry.breaking && !entry.highlight,
+      }),
+      ...printEntries({
+        title: "Other changes",
+        filter: (entry) => !entry.breaking && !entry.highlight,
+      }),
+    ].join("\n\n") + "\n"
+  )
 );
 
 function printEntries({ title, filter }) {
@@ -115,3 +119,13 @@ function printEntries({ title, filter }) {
 
   return result;
 }
+
+function formatVersion(version) {
+  return `${semver.major(version)}.${semver.minor(version)}`;
+}
+
+function replaceVersions(data) {
+  return data
+    .replace(/prettier stable/gi, `Prettier ${formatVersion(previousVersion)}`)
+    .replace(/prettier master/gi, `Prettier ${formatVersion(version)}`);
+}

scripts/release/steps/update-changelog.js

@@ -30,18 +30,6 @@ function writeChangelog({ version, previousVersion, releaseNotes }) {
   fs.writeFileSync("CHANGELOG.md", newEntry + "\n\n" + changelog);
 }
 
-function formatVersion(version) {
-  return `${semver.major(version)}.${semver.minor(version)}`;
-}
-
-function replaceVersionsInBlogPost({ blogPost, version, previousVersion }) {
-  const blogPostData = fs.readFileSync(blogPost, "utf-8");
-  const newBlogPostData = blogPostData
-    .replace(/prettier stable/gi, `Prettier ${formatVersion(previousVersion)}`)
-    .replace(/prettier master/gi, `Prettier ${formatVersion(version)}`);
-  fs.writeFileSync(blogPost, newBlogPostData);
-}
-
 module.exports = async function ({ version, previousVersion }) {
   const semverDiff = semver.diff(version, previousVersion);
 
@@ -53,11 +41,6 @@ module.exports = async function ({ version, previousVersion }) {
       releaseNotes: `🔗 [Release Notes](https://prettier.io/${blogPost.path})`,
     });
     if (fs.existsSync(blogPost.file)) {
-      replaceVersionsInBlogPost({
-        blogPost: blogPost.file,
-        version,
-        previousVersion,
-      });
       // Everything is fine, this step is finished
       return;
     }