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chore: upgrade fern CLI to 5.35.4 #188

chore: upgrade fern CLI to 5.35.4

chore: upgrade fern CLI to 5.35.4 #188

Workflow file for this run

name: Preview Docs
on: pull_request
jobs:
run:
runs-on: ubuntu-latest
permissions:
contents: read
pull-requests: write
steps:
- name: Checkout repository
uses: actions/checkout@v5
with:
fetch-depth: 0 # Fetch full history for git diff
- name: Checkout PR
run: |
git fetch origin pull/${{ github.event.pull_request.number }}/head:pr-${{ github.event.pull_request.number }}
git checkout pr-${{ github.event.pull_request.number }}
- name: Setup Node.js
uses: actions/setup-node@v5
with:
node-version: "24"
- name: Setup Fern CLI
uses: fern-api/setup-fern-cli@v1
- name: Generate preview URL
id: generate-docs
env:
FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
HEAD_REF: ${{ github.head_ref }}
run: |
OUTPUT=$(fern generate --docs --preview --id "$HEAD_REF" 2>&1) || true
echo "$OUTPUT"
URL=$(echo "$OUTPUT" | grep -oP 'Published docs to \K.*(?= \()')
echo "preview_url=$URL" >> $GITHUB_OUTPUT
echo "Preview URL: $URL"
- name: Get page links for changed MDX files
id: page-links
env:
FERN_TOKEN: ${{ secrets.FERN_TOKEN }}
run: |
PREVIEW_URL="${{ steps.generate-docs.outputs.preview_url }}"
CHANGED_FILES=$(git diff --name-only origin/main...HEAD -- '*.mdx' 2>/dev/null || echo "")
if [ -z "$CHANGED_FILES" ] || [ -z "$PREVIEW_URL" ]; then
echo "page_links=" >> $GITHUB_OUTPUT; exit 0
fi
BASE_URL=$(echo "$PREVIEW_URL" | grep -oP 'https?://[^/]+')
FILES_PARAM=$(echo "$CHANGED_FILES" | tr '\n' ',' | sed 's/,$//')
RESPONSE=$(curl -sf -H "FERN_TOKEN: $FERN_TOKEN" "${PREVIEW_URL}/api/fern-docs/get-slug-for-file?files=${FILES_PARAM}" 2>/dev/null) || {
echo "page_links=" >> $GITHUB_OUTPUT; exit 0
}
PAGE_LINKS=$(echo "$RESPONSE" | jq -r --arg url "$BASE_URL" \
'.mappings[] | select(.slug != null) | "- [\(.slug)](\($url)/\(.slug))"')
if [ -n "$PAGE_LINKS" ]; then
{ echo "page_links<<EOF"; echo "$PAGE_LINKS"; echo "EOF"; } >> $GITHUB_OUTPUT
else
echo "page_links=" >> $GITHUB_OUTPUT
fi
- name: Create comment content
run: |
echo ":herb: **Preview your docs:** <${{ steps.generate-docs.outputs.preview_url }}>" > comment.md
if [ -n "${{ steps.page-links.outputs.page_links }}" ]; then
echo "" >> comment.md
echo "Here are the markdown pages you've updated:" >> comment.md
echo "${{ steps.page-links.outputs.page_links }}" >> comment.md
fi
- name: Post PR comment
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
PR_NUMBER: ${{ github.event.pull_request.number }}
REPO: ${{ github.repository }}
run: |
MARKER="<!-- fern-preview-docs -->"
{
cat comment.md
printf '\n%s\n' "$MARKER"
} > comment-with-marker.md
# Upsert by looking up an existing comment that carries our hidden marker.
EXISTING_ID=$(gh api --paginate \
"repos/$REPO/issues/$PR_NUMBER/comments" \
--jq "[.[] | select(.body | contains(\"$MARKER\"))][0].id // empty")
jq -Rn --rawfile body comment-with-marker.md '{body: $body}' > payload.json
if [ -n "$EXISTING_ID" ]; then
gh api -X PATCH "repos/$REPO/issues/comments/$EXISTING_ID" --input payload.json
else
gh api -X POST "repos/$REPO/issues/$PR_NUMBER/comments" --input payload.json
fi