@smartimpact-it/json-merge-shopify
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1.0.28 • Public • Published

JSON Merger and formatter for Shopify

JSON Merger

The library handles merging JSON objects and arrays.

npm install --save @smartimpact-it/json-merge-shopify
import { Merger } from '@smartimpact-it/json-merge-shopify';
const merger = new Merger({
  ancestor,
  ours,
  theirs,
  preferred,
  filename,
});
const merged = merger.merge();

JSON formatter

This formats JSON files to be Shopify compatible.

import { formatJson } from '@smartimpact-it/json-merge-shopify';
const formatted = formatJson(json);

Git Branch Merger

This GitMerger functionality is intended to workaround Shopify's limitations for the Git integration.

To use it, you will need 2 or 3 branches:

  • main branch: this is the branch that you will be merging into
  • live-mirror branch: this is the branch that you will be merging from; this branch needs to be connected to Shopify (i.e. the live branch). We never write to this branch, we only read from it. Only Shopify should be writing to this branch.
  • production branch (optional): this is the branch that you be deploying from. It will not be connected directly to Shopify's git integration, but with a Github Action you can deploy this branch to Shopify.

To use it, import the GitMerger class. It has the following options:

  • gitRoot: the root of the git repository
  • createCommit: whether or not to create a commit with the changes
  • mainBranch: the name of the main branch (default: main)
  • liveMirrorBranch: the name of the live mirror branch (default: live-mirror)
  • productionBranch: the name of the production branch (default: production)
  • commitMessage: the commit message to use (default: [AUTOMATED] Update JSON files from ``#liveMirror#`` branch: #files#)
  • preferred: the preferred strategy for the merger (default: theirs)
  • jsonPaths: the paths to the JSON files to merge (default: ['templates/**/*.json', 'locales/*.json', 'config/*.json'])
  • exitIfNoExistingDeployment (default: true): whether or not to exit if there is no commit on the production branch
  • checkJsonValidity (default: true): whether or not to check the validity of the JSON files using shopify theme check
const { GitMerger } = require('@smartimpact-it/json-merge-shopify');
const path = require('path');
const gitRoot = path.resolve(__dirname, '../../../'); // The root of the git repository

(async () => {
  const createCommit =
    process.argv.includes('--commit') || process.env.COMMIT_CHANGES == 'true';

  // Initialize the merger
  const merger = new GitMerger({
    gitRoot,
    createCommit,
  });

  // Run the merge
  await merger.run();
})();

Config file

You can also use a config file to specify the options. The config file can be a JSON file (shopify-git-merger.config.json) or a JS file (shopify-git-merger.config.js) that exports an object with the options.

Then pass the path to the config file to the GitMerger constructor.

import { GitMerger } from '@smartimpact-it/json-merge-shopify';
const gitRoot = path.resolve(__dirname, '../../../'); // The root of the git repository
const merger = new GitMerger('shopify-git-merger.config.json', {
  gitRoot,
});

Or you can pass null as the first argument and the GitMerger will look for the config file in the root of the git repository.

import { GitMerger } from '@smartimpact-it/json-merge-shopify';
const gitRoot = path.resolve(__dirname, '../../../'); // The root of the git repository
const merger = new GitMerger(null, {
  gitRoot,
});

Github Workflows

You will need 2 workflows:

  • on the live-mirror branch - to check if JSON files have been modified by Shopify and then trigger the second workflow
  • on the main branch - to merge the JSON changes from the live-mirror branch
name: Check modified JSON files

concurrency:
  group: live-mirror
  cancel-in-progress: false

on:
  push:
    branches:
      - live-mirror
  workflow_dispatch:

env:
  NODE_VERSION: 18
  NPM_VERSION: 9

jobs:
  check-json:
    name: Check if JSON files have been modified
    runs-on: ubuntu-latest
    if: contains(toJSON(github.event.head_commit.message), 'Update from Shopify')
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 2 # Needed to get the previous commits

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v35.9.2
        with:
          files: |
            templates/**/*.json
            locales/**/*.json
            config/*.json

      - name: Trigger merge if necessary
        if: steps.changed-files.outputs.any_changed == 'true'
        uses: actions/github-script@v6
        with:
          script: |
            # Check if there is any production deployment
            # Remove this if you don't want to check for a production deployment
            const lastRun = await github.rest.actions.listWorkflowRuns({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'production.yml',
              branch: 'production',
              status: 'success',
              per_page: 1,
            });
            if (lastRun.data.total_count === 0) {
              console.log('No successful production runs found');
              return;
            }

            # Trigger the merge workflow
            await github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'merge-live-mirror-json.yml',
              ref: 'main',
              inputs: {
                merge: 'true',
              },
            });
name: Merge JSON files

concurrency:
  group: main
  cancel-in-progress: true

on:
  workflow_dispatch:

env:
  NODE_VERSION: 18
  NPM_VERSION: 9
  COMMIT_CHANGES: true

jobs:
  merge-json:
    name: Merge JSON files
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v3
        with:
          node-version: 18

      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.3
          bundler: 'latest'

      - name: Get npm cache directory
        id: npm-cache-dir
        shell: bash
        run: echo "dir=$(npm config get cache)" >> $GITHUB_OUTPUT

      - name: Load NPM packages from cache
        id: npm-cache
        uses: actions/cache@v3
        with:
          path: |
            ${{ steps.npm-cache-dir.outputs.dir }}
            **/node_modules
          key: ${{ runner.os }}-node-${{ env.NODE_VERSION }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-${{ env.NODE_VERSION }}-
            ${{ runner.os }}-node-

      - name: Upgrade NPM to the correct version
        shell: bash
        env:
          NPM_VERSION: ${{ env.NPM_VERSION }}
        run: npm i -g npm@$NPM_VERSION

      - name: Install Shopify CLI
        run: npm install -g @shopify/cli @shopify/theme

      - name: Install node modules
        if: steps.npm-cache.outputs.cache-hit != 'true'
        run: npm install

      - name: Run the merge process
        uses: mathiasvr/command-output@v2.0.0
        id: merge-json
        env:
          COMMIT_CHANGES: ${{ env.COMMIT_CHANGES }}
        with:
          run: |
            git config user.name github-actions
            git config user.email github-actions@github.com
            git status
            node path/to/json-merger.js --commit
            git status

      - name: Push the changes, if there are any
        if: success()
        run: |
          git status | grep 'Your branch is ahead' && git push && echo 'Pushed changes' || echo "No changes to push"

Github Action

You can also use the siit-dev/merge-json-shopify-branches pre-built Github Action.

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npm i @smartimpact-it/json-merge-shopify

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Version

1.0.28

License

ISC

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Collaborators

  • bogdanbeniaminb
  • smartimpact