feat(docs): implement dynamic branch based docs versioning

Signed-off-by: jaydeep869 <jaydeeppokhariya2106@gmail.com>

Author: Jaydeep869

docs-website/build-versions.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+set -e
+
+# Navigate to the docs-website directory
+cd "$(dirname "$0")"
+
+echo "Building Docusaurus versions from docs/* branches..."
+
+# Clean up any existing versioned generated folders
+rm -rf versioned_docs versioned_sidebars versions.json
+mkdir -p versioned_docs versioned_sidebars
+
+# Initialize versions array
+VERSIONS=()
+
+# Fetch docs branches (adjust 'origin' if your remote is named differently)
+git fetch origin '+refs/heads/docs/*:refs/remotes/origin/docs/*' || true
+
+# Find all branches matching 'docs/*'
+BRANCHES=$(git branch -r | grep 'origin/docs/' | sed 's/^[[:space:]]*origin\///' || true)
+
+for branch in $BRANCHES; do
+  # Only treat docs/X.Y.Z branches as version snapshots.
+  if ! [[ "$branch" =~ ^docs/[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    echo "Skipping non-version docs branch: $branch"
+    continue
+  fi
+
+  # Extract version number (e.g., docs/0.7.0 -> 0.7.0)
+  VERSION=${branch#docs/}
+  echo "Processing version: $VERSION from branch: $branch"
+
+  # Create the target directory for this version's docs
+  TARGET_DIR="versioned_docs/version-$VERSION"
+  mkdir -p "$TARGET_DIR"
+  
+  # Extract the 'docs/' folder from that specific branch
+  # using git archive so we don't have to switch branches
+  if ! (cd .. && git archive "$branch" docs/) | tar -x -C "$TARGET_DIR"; then
+    echo "Warning: Could not extract docs/ from $branch. Skipping version $VERSION."
+    rm -rf "$TARGET_DIR"
+    continue
+  fi
+
+  # Extract the sidebars file for this version.
+  # Docusaurus expects this in versioned_sidebars/version-{version}-sidebars.js
+  if ! git show "$branch:docs-website/sidebars.js" > "versioned_sidebars/version-${VERSION}-sidebars.js" 2>/dev/null; then
+    echo "Warning: Could not extract sidebars.js from $branch. Skipping version $VERSION."
+    rm -rf "$TARGET_DIR"
+    rm -f "versioned_sidebars/version-${VERSION}-sidebars.js"
+    continue
+  fi
+
+  VERSIONS+=("$VERSION")
+  
+  # Extract README.md and CONTRIBUTING.md if they are included in the docs config
+  git show "$branch:README.md" > "$TARGET_DIR/README.md" || true
+  git show "$branch:CONTRIBUTING.md" > "$TARGET_DIR/CONTRIBUTING.md" || true
+done
+
+# Generate versions.json for Docusaurus to read
+if [ ${#VERSIONS[@]} -gt 0 ]; then
+  # Write the versions array as a JSON list using jq or basic Node/Python string manipulation
+  # Quick inline node script to write a valid JSON array
+  node -e "const fs=require('fs'); fs.writeFileSync('versions.json', JSON.stringify(process.argv.slice(1)));" "${VERSIONS[@]}"
+  echo "versions.json generated with: ${VERSIONS[*]}"
+else
+  echo "[]" > versions.json
+  echo "No docs/* branches found. Generating empty versions.json."
+fi

docs-website/docusaurus.config.js

@@ -70,6 +70,10 @@ const config = {
           src: 'img/logo.png',
         },
         items: [
+          {
+            type: 'docsVersionDropdown',
+            position: 'right',
+          },
           {
             type: "search",
             position: "right",

docs-website/package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "docusaurus": "docusaurus",
     "start": "docusaurus start",
-    "build": "docusaurus build",
+    "build": "./build-versions.sh && CI=false docusaurus build",
     "swizzle": "docusaurus swizzle",
     "deploy": "docusaurus deploy",
     "clear": "docusaurus clear",