Standardize on yarn, remove npm references

Summary:
Standardize the client_js package on yarn as the sole package manager.
- README: Remove npm install option, keep only yarn add
- CI workflow: Switch from npm ci/test/build to yarn equivalents
- CD workflow: Update title and debug log step
- CHANGELOG: Add v1.2.2 open source release notes
- Delete package-lock.json (redundant with yarn.lock)

Differential Revision: D99834215

fbshipit-source-id: e647f026cf7838582cf60671bf1d7f98aacf2bc2

Author: ppwang-sa

.github/workflows/client_js_cd.yml

@@ -32,6 +32,6 @@ jobs:
         run: yarn build
       - name: Publish to npm
         run: yarn publish --non-interactive
-      - name: Show npm debug log if publish failed
+      - name: Show debug log if publish failed
         if: failure()
-        run: cat /home/runner/.npm/_logs/*.log || echo "No npm log found"
+        run: cat /home/runner/.yarn/*.log 2>/dev/null || echo "No yarn log found"

.github/workflows/client_js_ci.yml

@@ -31,8 +31,8 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install dependencies
-      run: npm ci
+      run: yarn install --frozen-lockfile
     - name: Run tests
-      run: npm test
+      run: yarn test
     - name: Build
-      run: npm run build
+      run: yarn build

client_js/CHANGELOG.md

@@ -4,6 +4,24 @@ All notable changes to this project will be documented in this file.
 
 ## Unreleased
 
+## Version v1.3.0
+- Standardized on yarn as the sole package manager — removed all npm references
+- Switched CI workflow from npm to yarn (`yarn install --frozen-lockfile`, `yarn test`, `yarn build`)
+- Updated CD workflow title and debug logging for yarn
+- Removed `package-lock.json` (redundant with `yarn.lock`)
+- Updated README: removed npm install option, kept only `yarn add`
+- Updated yarn prerequisite to recommend `corepack enable`
+
+## Version v1.2.2
+- Open sourced the SDK and published to yarn registry as `meta-capi-param-builder-clientjs`
+- Added CI/CD GitHub Actions workflows for automated testing and publishing
+- Added unit tests for `ipUtil` and `getClientIpAddress` (506 tests passing)
+- Rewrote README with yarn install instructions and structured API docs
+- Removed deprecated `clientParamsHelper` module
+- Fixed `==` to `===` for strict equality
+- Fixed prototype pollution vulnerability in `flatted` (CWE-1321)
+- Resolved dependency vulnerabilities in `serialize-javascript` and `@tootallnate/once`
+
 ## Version v1.2.1
 - Improve the is_new flag with more breakdown on net new and modified new option.
 

client_js/README.md

@@ -13,13 +13,7 @@ The Conversions API parameter builder SDK is a lightweight client-side JavaScrip
 
 ### Installation
 
-Install the package via npm or yarn:
-
-```bash
-npm install meta-capi-param-builder-clientjs
-```
-
-or
+Install the package via yarn:
 
 ```bash
 yarn add meta-capi-param-builder-clientjs
@@ -100,7 +94,7 @@ Supported `dataType` values: `phone`, `email`, `first_name`, `last_name`, `date_
 ### Prerequisites
 
 - Node.js >= 18
-- yarn (`npm install --global yarn`)
+- yarn (install via `corepack enable` or see [yarnpkg.com](https://yarnpkg.com/getting-started/install))
 
 ### Setup