fix(javascript): clean rollup config (#700)

clients/algoliasearch-client-javascript/base.rollup.config.js

@@ -0,0 +1,186 @@
+import fs from 'fs';
+
+// Org where the packages are pushed
+const NPM_ORG = '@experimental-api-clients-automation/';
+
+// Output formats
+const BROWSER_FORMATS = ['umd-browser', 'esm-browser', 'cjs-browser'];
+const NODE_FORMATS = ['cjs-node', 'esm-node'];
+
+// Utils package with default options
+const UTILS = {
+  'client-common': {
+    dependencies: [],
+  },
+  'requester-browser-xhr': {
+    external: ['dom'],
+    dependencies: [`${NPM_ORG}client-common`],
+  },
+  'requester-node-http': {
+    external: ['https', 'http', 'url'],
+    dependencies: [`${NPM_ORG}client-common`],
+  },
+};
+
+/**
+ * Returns the `UTILS` packages configuration with their default bundler options.
+ */
+function getUtilConfigs() {
+  const commonOptions = {
+    input: 'index.ts',
+    formats: NODE_FORMATS,
+    external: [],
+  };
+
+  return Object.entries(UTILS).map(([key, utilOptions]) => {
+    return {
+      ...commonOptions,
+      ...utilOptions,
+      output: key,
+      package: key,
+      name: `${NPM_ORG}${key}`,
+    };
+  });
+}
+
+/**
+ * Whether to build the given `utilClient` or not.
+ */
+function shouldBuildUtil(utilClient) {
+  if (process.env.SKIP_UTILS === 'true') {
+    return false;
+  }
+
+  if (!process.env.CI) {
+    return true;
+  }
+
+  // Checking existence of `dist` folder doesn't really guarantee the built files are up-to-date.
+  // However, on the CI, it's very likely.
+  return !fs.existsSync(path.resolve('packages', utilClient, 'dist'));
+}
+
+/**
+ * Reads available packages in the monorepo.
+ */
+function getAvailableClients(client) {
+  const availableClients = fs
+    .readdirSync('packages/')
+    .filter((packageName) => !Object.keys(UTILS).includes(packageName));
+
+  return client === 'all'
+    ? availableClients
+    : availableClients.filter((availableClient) => availableClient === client);
+}
+
+/**
+ * Returns the packages to bundled based on environment variables and run conditions.
+ */
+export function getPackageConfigs() {
+  const UTIL_CONFIGS = getUtilConfigs();
+  const CLIENT = process.env.CLIENT.replace(NPM_ORG, '');
+
+  if (CLIENT === 'utils') {
+    return UTIL_CONFIGS;
+  }
+
+  if (Object.keys(UTILS).includes(CLIENT)) {
+    return UTIL_CONFIGS.filter((config) => config.package === CLIENT);
+  }
+
+  const availableClients = getAvailableClients(CLIENT);
+
+  if (availableClients.length === 0) {
+    throw new Error(`No clients matches '${CLIENT}'.`);
+  }
+
+  const configs = availableClients.flatMap((packageName) => {
+    const isAlgoliasearchClient = packageName === 'algoliasearch';
+    const commonConfig = {
+      package: packageName,
+      name: `${NPM_ORG}${packageName}`,
+      output: packageName,
+      dependencies: [`${NPM_ORG}client-common`],
+      external: [],
+    };
+
+    // This non-generated client is an aggregation of client, hence does not follow
+    // the same build process.
+    if (isAlgoliasearchClient) {
+      commonConfig.name = packageName;
+      commonConfig.dependencies = [
+        `${NPM_ORG}client-analytics`,
+        `${NPM_ORG}client-common`,
+        `${NPM_ORG}client-personalization`,
+        `${NPM_ORG}client-search`,
+      ];
+    }
+
+    return [
+      // Browser build
+      {
+        ...commonConfig,
+        input: 'builds/browser.ts',
+        formats: BROWSER_FORMATS,
+        external: ['dom'],
+        dependencies: [
+          ...commonConfig.dependencies,
+          `${NPM_ORG}/requester-browser-xhr`,
+        ],
+        globals: {
+          [packageName]: packageName,
+        },
+      },
+      // Node build
+      {
+        ...commonConfig,
+        input: 'builds/node.ts',
+        formats: NODE_FORMATS,
+        dependencies: [
+          ...commonConfig.dependencies,
+          `${NPM_ORG}/requester-node-http`,
+        ],
+      },
+    ];
+  });
+
+  return [
+    ...UTIL_CONFIGS.filter((config) => shouldBuildUtil(config.package)),
+    ...configs,
+  ];
+}
+
+/**
+ * Returns the license at the top of the UMD bundled file.
+ */
+export function createLicense(name, version) {
+  return `/*! ${name}.umd.js | ${version} | © Algolia, inc. | https://github.com/algolia/algoliasearch-client-javascript */`;
+}
+
+/**
+ * Bundlers with their output format and file name for the given client.
+ */
+export function createBundlers({ output, clientPath }) {
+  return {
+    'esm-node': {
+      file: `${clientPath}/dist/${output}.esm.node.js`,
+      format: 'es',
+    },
+    'esm-browser': {
+      file: `${clientPath}/dist/${output}.esm.browser.js`,
+      format: 'es',
+    },
+    'umd-browser': {
+      file: `${clientPath}/dist/${output}.umd.browser.js`,
+      format: 'umd',
+    },
+    'cjs-node': {
+      file: `${clientPath}/dist/${output}.cjs.node.js`,
+      format: 'cjs',
+    },
+    'cjs-browser': {
+      file: `${clientPath}/dist/${output}.cjs.browser.js`,
+      format: 'cjs',
+    },
+  };
+}

clients/algoliasearch-client-javascript/bundlesize.config.json

@@ -2,23 +2,23 @@
   "files": [
     {
       "path": "packages/algoliasearch/dist/algoliasearch.umd.browser.js",
-      "maxSize": "7.50KB"
+      "maxSize": "7.60KB"
     },
     {
       "path": "packages/algoliasearch-lite/dist/algoliasearch-lite.umd.browser.js",
-      "maxSize": "3.75KB"
+      "maxSize": "3.85KB"
     },
     {
       "path": "packages/client-abtesting/dist/client-abtesting.umd.browser.js",
-      "maxSize": "3.90KB"
+      "maxSize": "3.95KB"
     },
     {
       "path": "packages/client-analytics/dist/client-analytics.umd.browser.js",
-      "maxSize": "4.50KB"
+      "maxSize": "4.55KB"
     },
     {
       "path": "packages/client-insights/dist/client-insights.umd.browser.js",
-      "maxSize": "3.75KB"
+      "maxSize": "3.80KB"
     },
     {
       "path": "packages/client-personalization/dist/client-personalization.umd.browser.js",
@@ -30,15 +30,15 @@
     },
     {
       "path": "packages/client-search/dist/client-search.umd.browser.js",
-      "maxSize": "6.25KB"
+      "maxSize": "6.30KB"
     },
     {
       "path": "packages/client-sources/dist/client-sources.umd.browser.js",
-      "maxSize": "3.85KB"
+      "maxSize": "3.80KB"
     },
     {
       "path": "packages/recommend/dist/recommend.umd.browser.js",
-      "maxSize": "3.85KB"
+      "maxSize": "3.80KB"
     }
   ]
 }

clients/algoliasearch-client-javascript/package.json

@@ -31,7 +31,6 @@
     "execa": "5.1.1",
     "lerna": "5.1.1",
     "rollup": "2.75.6",
-    "rollup-plugin-filesize": "9.1.2",
     "rollup-plugin-node-globals": "1.4.0",
     "rollup-plugin-terser": "7.0.2",
     "rollup-plugin-typescript2": "0.32.1",