Merge pull request #1258 from magelle/add-yarn-workspaces-support

Add yarn workspaces support

examples/include-external-npm-packages-with-yarn-workspaces/_setup.js

@@ -0,0 +1,23 @@
+'use strict';
+
+const path = require('path');
+
+module.exports = async (originalFixturePath, fixturePath, utils) => {
+  const pluginPath = path.resolve(originalFixturePath, '..', '..');
+
+  const SLS_CONFIG_PATH = path.join(fixturePath, 'packages', 'project', 'serverless.yml');
+  const WEBPACK_CONFIG_PATH = path.join(fixturePath, 'packages', 'project', 'webpack.config.js');
+  const PACKAGE_JSON_PATH = path.join(fixturePath, 'packages', 'project', 'package.json');
+  const LOCK_PATH = path.join(fixturePath, 'yarn.lock');
+
+  await Promise.all([
+    utils.replaceInFile(SLS_CONFIG_PATH, '- serverless-webpack', `- ${pluginPath}`),
+    utils.replaceInFile(WEBPACK_CONFIG_PATH, "'serverless-webpack'", `'${pluginPath}'`),
+    utils.replaceInFile(PACKAGE_JSON_PATH, 'file:../..', `file:${pluginPath}`),
+    utils.replaceInFile(LOCK_PATH, '../..', `${pluginPath}`)
+  ]);
+
+  const command = /^win/.test(process.platform) ? 'yarn.cmd' : 'yarn';
+
+  return utils.spawnProcess(command, ['install'], { cwd: __dirname });
+};

examples/include-external-npm-packages-with-yarn-workspaces/package.json

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+{
+  "name": "include-external-npm-packages-with-yarn-workspaces",
+  "version": "1.0.0",
+  "description": "Serverless webpack example",
+  "main": "handler.js",
+  "private": true,
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Tony Yuen <[email protected]>",
+  "license": "MIT",
+  "workspaces": {
+    "packages": [
+      "./packages/*"
+    ]
+  },
+  "devDependencies": {
+  },
+  "dependencies": {
+  }
+}

examples/include-external-npm-packages-with-yarn-workspaces/packages/project/handler.js

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+// Should keep side-effects scripts
+import 'dotenv/config';
+// Should be included as fbgraph is not marked as sideEffect free
+// Should keep named imports
+import { toUpper, isEqual } from 'lodash';
+// Should keep default imports
+
+function getMessage() {
+  return isEqual(true, false) ? 'noop' : toUpper('hello fb & aws');
+}
+
+export const hello = function (event, context, cb) {
+  const message = getMessage();
+  cb(null, { message, event });
+};

examples/include-external-npm-packages-with-yarn-workspaces/packages/project/package.json

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+{
+  "name": "include-external-npm-packages-with-yarn-workspaces-subproject",
+  "version": "1.0.0",
+  "description": "Serverless webpack example",
+  "main": "handler.js",
+  "private": true,
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Tony Yuen <[email protected]>",
+  "license": "MIT",
+  "devDependencies": {
+    "aws-sdk": "^2.814.0",
+    "serverless": "^3.7.4",
+    "serverless-offline": "^8.8.1",
+    "serverless-webpack": "file:../..",
+    "webpack": "^5.74.0",
+    "webpack-node-externals": "^2.5.0"
+  },
+  "dependencies": {
+    "dotenv": "^16.0.0",
+    "fbgraph": "^1.4.4",
+    "lodash": "^4.17.21",
+    "lodash.isequal": "^4.5.0"
+  }
+}

examples/include-external-npm-packages-with-yarn-workspaces/packages/project/serverless.yml

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+service: include-external-npm-packages-with-yarn-workspaces
+
+# Add the serverless-webpack plugin
+plugins:
+  - serverless-webpack
+  - serverless-offline
+
+provider:
+  name: aws
+  runtime: nodejs12.x
+
+custom:
+  webpack:
+    webpackConfig: 'webpack.config.js'
+    packager: 'yarn'
+    includeModules:
+      forceInclude:
+        - lodash
+
+functions:
+  first:
+    handler: handler.hello
+    events:
+      - http:
+          method: GET
+          path: first
+          integration: lambda

examples/include-external-npm-packages-with-yarn-workspaces/packages/project/webpack.config.js

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+const slsw = require('serverless-webpack');
+const nodeExternals = require('webpack-node-externals');
+
+module.exports = {
+  entry: slsw.lib.entries,
+  mode: slsw.lib.webpack.isLocal ? 'development' : 'production',
+  target: 'node',
+  externals: [nodeExternals()] // exclude external modules
+};