Add github actions for verification.

.github/workflows/release.yml

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+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Copied from https://github.com/firebase/extensions/blob/next/.github/workflows/release.yml
+
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: "Create Releases"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Release Script
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          ./.github/workflows/scripts/release.sh

.github/workflows/scripts/release.sh

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+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Copied and modified from https://github.com/firebase/extensions/blob/next/.github/workflows/scripts/release.sh. Changes:
+# 1. Read the extension name from the extension.yaml file instead of from the directory name.
+
+#!/bin/bash
+set -e
+set -o pipefail
+
+# Uncomment for testing purposes:
+
+#GITHUB_TOKEN=YOUR_TOKEN_HERE
+#GITHUB_REPOSITORY=invertase/extensions-release-testing
+
+# -------------------
+#      Functions
+# -------------------
+json_escape() {
+  printf '%s' "$1" | python -c 'import json,sys; print(json.dumps(sys.stdin.read()))'
+}
+
+# Creates a new GitHub release
+#   ARGS:
+#     1: Name of the release (becomes the release title on GitHub)
+#     2: Markdown body of the release
+#     3: Release Git tag
+create_github_release() {
+  local response=''
+  local release_name=$1
+  local release_body=$2
+  local release_tag=$3
+
+  local body='{
+    "tag_name": "%s",
+    "target_commitish": "master",
+    "name": "%s",
+    "body": %s,
+    "draft": false,
+    "prerelease": false
+  }'
+
+  # shellcheck disable=SC2059
+  body=$(printf "$body" "$release_tag" "$release_name" "$release_body")
+  response=$(curl --request POST \
+    --url https://api.github.com/repos/${GITHUB_REPOSITORY}/releases \
+    --header "Authorization: Bearer $GITHUB_TOKEN" \
+    --header 'Content-Type: application/json' \
+    --data "$body" \
+    -s)
+
+  created=$(echo "$response" | python -c "import sys, json; data = json.load(sys.stdin); print(data.get('id', sys.stdin))")
+  if [ "$created" != "$response" ]; then
+    printf "release created successfully!\n"
+  else
+    printf "release failed to create; "
+    printf "\n%s\n" "$body"
+    printf "\n%s\n" "$response"
+    exit 1
+  fi
+}
+
+# Updates an existing GitHub release
+#   ARGS:
+#     1: Name of the release (becomes the release title on GitHub)
+#     2: Markdown body of the release
+#     3: Release Git tag
+#     4: ID of the existing release
+update_github_release() {
+  local response=''
+  local release_name=$1
+  local release_body=$2
+  local release_tag=$3
+  local release_id=$4
+
+  local body='{
+	  "tag_name": "%s",
+	  "target_commitish": "master",
+	  "name": "%s",
+	  "body": %s,
+	  "draft": false,
+	  "prerelease": false
+	}'
+
+  # shellcheck disable=SC2059
+  body=$(printf "$body" "$release_tag" "$release_name" "$release_body")
+  response=$(curl --request PATCH \
+    --url "https://api.github.com/repos/$GITHUB_REPOSITORY/releases/$release_id" \
+    --header "Authorization: Bearer $GITHUB_TOKEN" \
+    --header 'Content-Type: application/json' \
+    --data "$body" \
+    -s)
+
+  updated=$(echo "$response" | python -c "import sys, json; data = json.load(sys.stdin); print(data.get('id', sys.stdin))")
+  if [ "$updated" != "$response" ]; then
+    printf "release updated successfully!\n"
+  else
+    printf "release failed to update; "
+    printf "\n%s\n" "$body"
+    printf "\n%s\n" "$response"
+    exit 1
+  fi
+}
+
+# Creates or updates a GitHub release
+#   ARGS:
+#     1: Extension name
+#     2: Extension version
+#     3: Markdown body to use for the release
+create_or_update_github_release() {
+  local response=''
+  local release_id=''
+  local extension_name=$1
+  local extension_version=$2
+  local release_body=$3
+  local release_tag="$extension_name-v$extension_version"
+  local release_name="$extension_name v$extension_version"
+
+  response=$(curl --request GET \
+    --url "https://api.github.com/repos/${GITHUB_REPOSITORY}/releases/tags/${release_tag}" \
+    --header "Authorization: Bearer $GITHUB_TOKEN" \
+    --header 'Content-Type: application/json' \
+    --data "$body" \
+    -s)
+
+  release_id=$(echo "$response" | python -c "import sys, json; data = json.load(sys.stdin); print(data.get('id', 'Not Found'))")
+  if [ "$release_id" != "Not Found" ]; then
+    existing_release_body=$(echo "$response" | python -c "import sys, json; data = json.load(sys.stdin); print(data.get('body', ''))")
+    existing_release_body=$(json_escape "$existing_release_body")
+    # Only update it if the release body is different (this can happen if a change log is manually updated)
+    printf "Existing release (%s) found for %s - " "$release_id" "$release_tag"
+    if [ "$existing_release_body" != "$release_body" ]; then
+      printf "updating it with updated release body ... "
+      update_github_release "$release_name" "$release_body" "$release_tag" "$release_id"
+    else
+      printf "skipping it as release body is already up to date.\n"
+    fi
+  else
+    response_message=$(echo "$response" | python -c "import sys, json; data = json.load(sys.stdin); print(data.get('message'))")
+    if [ "$response_message" != "Not Found" ]; then
+      echo "Failed to query release '$release_name' -> GitHub API request failed with response: $response_message"
+      echo "$response"
+      exit 1
+    else
+      printf "Creating new release '%s' ... " "$release_tag"
+      create_github_release "$release_name" "$release_body" "$release_tag"
+    fi
+  fi
+}
+
+# -------------------
+#    Main Script
+# -------------------
+
+# Ensure that the GITHUB_TOKEN env variable is defined
+if [[ -z "$GITHUB_TOKEN" ]]; then
+  echo "Missing required GITHUB_TOKEN env variable. Set this on the workflow action or on your local environment."
+  exit 1
+fi
+
+# Ensure that the GITHUB_REPOSITORY env variable is defined
+if [[ -z "$GITHUB_REPOSITORY" ]]; then
+  echo "Missing required GITHUB_REPOSITORY env variable. Set this on the workflow action or on your local environment."
+  exit 1
+fi
+
+# Find all extensions based on whether a extension.yaml file exists in the directory
+for i in $(find . -type f -name 'extension.yaml' -exec dirname {} \; | sort -u); do
+  # Pluck extension latest name from yaml file
+  extension_name=$(awk '/^name: /' "$i/extension.yaml" | sed "s/name: //")
+  # Pluck extension latest version from yaml file
+  extension_version=$(awk '/^version: /' "$i/extension.yaml" | sed "s/version: //")
+
+  changelog_contents="No changelog found for this version."
+
+  # Ensure changelog exists
+  if [ -f "$i/CHANGELOG.md" ]; then
+    # Pluck out change log contents for the latest extension version
+    changelog_contents=$(awk -v ver="$extension_version" '/^## Version / { if (p) { exit }; if ($3 == ver) { p=1; next} } p && NF' "$i/CHANGELOG.md")
+  else
+    echo "WARNING: A changelog could not be found at $i/CHANGELOG.md - a default entry will be used instead."
+  fi
+
+  # JSON escape the markdown content for the release body
+  changelog_contents=$(json_escape "$changelog_contents")
+
+  # Creates a new release if it does not exist
+  #   OR
+  # Updates an existing release with updated content (allows updating CHANGELOG.md which will update relevant release body)
+  create_or_update_github_release "$extension_name" "$extension_version" "$changelog_contents"
+done

.github/workflows/test.yml

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+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Copied and modified from https://github.com/firebase/extensions/blob/next/.github/workflows/test.yml. Changes:
+# 1. Changed node versions list to only 18.
+# 2. Updated paths to use functions directory.
+
+name: Testing
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  nodejs:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ["18"]
+    name: node.js_${{ matrix.node }}_test
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+          cache: "npm"
+          cache-dependency-path: "**/package-lock.json"
+      - name: npm install
+        run: cd functions && npm i
+      - name: npm test
+        run: npm run test:ci

.github/workflows/validate.yml

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+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Copied from https://github.com/firebase/extensions/blob/next/.github/workflows/validate.yml
+
+name: Validate
+
+on:
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 14
+      - name: npm install
+        run: SKIP_POSTINSTALL=yes npm i
+      - name: Prettier Lint Check
+        run: npm run lint