Explicitly mark all packages with commonjs type

See: https://nodejs.org/api/packages.html#packages_determining_module_system > Package authors should include the "type" field, even in packages where all sources are CommonJS. Being explicit about the type of the package will future-proof the package in case the default type of Node.js ever changes, and it will also make things easier for build tools and loaders to determine how the files in the package should be interpreted. Related issue: #2341
adeira · May 21, 2021 · 484d88e · 484d88e
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diff --git a/src/babel-plugin-transform-sx-tailwind/package.json b/src/babel-plugin-transform-sx-tailwind/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.18.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/murmur-hash": "^2.0.0",

diff --git a/src/babel-preset-adeira/package.json b/src/babel-preset-adeira/package.json
@@ -6,6 +6,7 @@
   "license": "MIT",
   "version": "3.0.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/plugin-proposal-class-properties": "^7.12.13",

diff --git a/src/css-colors/package.json b/src/css-colors/package.json
@@ -6,6 +6,7 @@
   "sideEffects": false,
   "private": false,
   "main": "./src/index.js",
+  "type": "commonjs",
   "license": "MIT",
   "dependencies": {
     "@adeira/js": "^2.1.0",

diff --git a/src/eslint-config-adeira/package.json b/src/eslint-config-adeira/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "6.0.0",
   "main": "./index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0",

diff --git a/src/eslint-fixtures-tester/package.json b/src/eslint-fixtures-tester/package.json
@@ -4,6 +4,7 @@
   "homepage": "https://github.com/adeira/universe/tree/master/src/eslint-fixtures-tester",
   "version": "0.1.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "license": "MIT",
   "private": false,
   "dependencies": {

diff --git a/src/eslint-plugin-adeira/package.json b/src/eslint-plugin-adeira/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.13.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0",

diff --git a/src/eslint-plugin-sx/package.json b/src/eslint-plugin-sx/package.json
@@ -11,6 +11,7 @@
     "eslint-plugin"
   ],
   "main": "./src/index.js",
+  "type": "commonjs",
   "dependencies": {
     "@babel/runtime": "^7.14.0"
   },

diff --git a/src/fetch/package.json b/src/fetch/package.json
@@ -4,6 +4,7 @@
   "license": "MIT",
   "version": "2.1.0",
   "main": "./src/fetchWithRetries.js",
+  "type": "commonjs",
   "sideEffects": false,
   "homepage": "https://github.com/adeira/universe/tree/master/src/fetch",
   "description": "Production ready fetch function with advanced capabilities like retries with delay and request cancellation after timeout.",

diff --git a/src/fixtures-tester/package.json b/src/fixtures-tester/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "1.0.1",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/js": "^2.1.0",

diff --git a/src/flow-config-parser/package.json b/src/flow-config-parser/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "license": "MIT",
   "main": "./src/index.js",
+  "type": "commonjs",
   "dependencies": {
     "@adeira/fixtures-tester": "^1.0.1",
     "@adeira/js": "^2.1.0",

diff --git a/src/flow-types-eslint/package.json b/src/flow-types-eslint/package.json
@@ -4,6 +4,7 @@
   "version": "0.0.0",
   "private": true,
   "main": "./src/index.js",
+  "type": "commonjs",
   "license": "MIT",
   "dependencies": {}
 }
diff --git a/src/graphql-bc-checker/package.json b/src/graphql-bc-checker/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.3.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/signed-source": "^2.0.0",

diff --git a/src/graphql-global-id/package.json b/src/graphql-global-id/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "2.0.1",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/js": "^2.1.0",

diff --git a/src/graphql-relay-fauna/package.json b/src/graphql-relay-fauna/package.json
@@ -3,6 +3,7 @@
   "private": false,
   "version": "0.3.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "homepage": "https://github.com/adeira/universe/tree/master/src/graphql-relay-fauna",
   "description": "Helpers for Relay compliant GraphQL server with FaunaDB backend",

diff --git a/src/graphql-relay/package.json b/src/graphql-relay/package.json
@@ -14,6 +14,7 @@
     "url": "http://github.com/adeira/universe.git"
   },
   "main": "./src/index.js",
+  "type": "commonjs",
   "peerDependencies": {
     "graphql": "^15.0.0"
   },

diff --git a/src/graphql-resolve-wrapper/package.json b/src/graphql-resolve-wrapper/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.3.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0"

diff --git a/src/js/package.json b/src/js/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "2.1.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0"

diff --git a/src/monorepo-npm-publisher/package.json b/src/monorepo-npm-publisher/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "2.0.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/babel-preset-adeira": "^3.0.0",

diff --git a/...repo-scanner/src/scans/MainFields.scan.js → ...epo-scanner/src/scans/PackageJson.scan.js b/...repo-scanner/src/scans/MainFields.scan.js → ...epo-scanner/src/scans/PackageJson.scan.js
@@ -9,12 +9,22 @@ Workspaces.iterateWorkspaces((packageJSONLocation) => {
   test(`${packageJson.name}`, () => {
     const dirname = path.dirname(packageJSONLocation);
     const main = packageJson.main;
+    const type = packageJson.type;
+
     if (main != null) {
       const mainEntrypoint = path.join(dirname, main);
       // $FlowIssue[incompatible-call]: https://github.com/facebook/flow/issues/3018
       expect(fs.existsSync(mainEntrypoint)).toGiveHelp(
         `The file specified in main field does not exist (${mainEntrypoint}). If this is intentional, you can remove this field from package.json`,
       );
+
+      expect(type != null).toGiveHelp(
+        `Each package must specify "type" to be either "commonjs" or "module".`,
+      );
+
+      expect(['commonjs', 'module'].includes(type)).toGiveHelp(
+        `Package type must be either "commonjs" or "module" (given "${type}").`,
+      );
     }
   });
 });
diff --git a/src/monorepo-utils/package.json b/src/monorepo-utils/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.11.0",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "bin": {
     "monorepo-babel-node": "bin/monorepo-babel-node.js",

diff --git a/src/murmur-hash/package.json b/src/murmur-hash/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "2.0.0",
   "main": "./src/murmurHash.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0"

diff --git a/src/relay/package.json b/src/relay/package.json
@@ -3,6 +3,7 @@
   "private": false,
   "version": "3.2.4",
   "main": "./src/index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "homepage": "https://github.com/adeira/universe/tree/master/src/relay",
   "description": "Opinionated wrapper around Relay - a JavaScript framework for building data-driven React applications",

diff --git a/src/signed-source/package.json b/src/signed-source/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "2.0.0",
   "main": "./src/SignedSource.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.14.0"

diff --git a/src/sx-design/package.json b/src/sx-design/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.10.0",
   "main": "./index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/js": "^2.1.0",

diff --git a/src/sx-jest-snapshot-serializer/package.json b/src/sx-jest-snapshot-serializer/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.1.0",
   "main": "./index.js",
+  "type": "commonjs",
   "sideEffects": true,
   "dependencies": {
     "@adeira/sx": "^0.25.0",

diff --git a/src/sx-tailwind/package.json b/src/sx-tailwind/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.12.0",
   "main": "./index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/js": "^2.1.0",

diff --git a/src/sx/package.json b/src/sx/package.json
@@ -6,6 +6,7 @@
   "private": false,
   "version": "0.25.0",
   "main": "./index.js",
+  "type": "commonjs",
   "sideEffects": false,
   "dependencies": {
     "@adeira/css-colors": "^2.0.0",