Add support for extendedPublishConfig, apply to workspace resolver

.changeset/cool-rice-grin.md

@@ -0,0 +1,5 @@
+---
+'@modular-scripts/workspace-resolver': patch
+---
+
+Remove requirement to build the package in local dev

packages/workspace-resolver/package.json

@@ -2,7 +2,7 @@
   "name": "@modular-scripts/workspace-resolver",
   "version": "1.1.0",
   "license": "Apache-2.0",
-  "main": "dist-cjs/index.js",
+  "main": "src/index.ts",
   "dependencies": {
     "fs-extra": "^10.1.0",
     "globby": "11.0.4",
@@ -14,13 +14,18 @@
   },
   "scripts": {
     "build": "tsc && babel --source-maps --root-mode upward src --out-dir dist-cjs --extensions .ts --ignore **/__tests__",
-    "clean": "rimraf dist-cjs"
+    "clean": "rimraf dist-cjs",
+    "prepublishOnly": "node ../../scripts/extend-publish-config.js"
   },
   "files": [
     "dist-cjs"
   ],
-  "types": "dist-cjs/index.d.ts",
+  "types": "src/index.ts",
   "publishConfig": {
     "access": "public"
+  },
+  "extendedPublishConfig": {
+    "main": "dist-cjs/index.js",
+    "types": "dist-cjs/index.d.ts"
   }
 }

scripts/extend-publish-config.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const { writeFileSync } = require('fs');
+const { resolve } = require('path');
+
+// This script applies the contents of any `extendedPublishConfig` blocks
+// to the root package.json of affected packages in PACKAGES_TO_EXTEND.
+//
+// It also removes `scripts` on the assumption none are needed when installing npm libraries.
+
+const PACKAGES_TO_EXTEND = ['workspace-resolver'];
+
+function writeNewPackageJson(src, content) {
+  writeFileSync(src, JSON.stringify(content, null, 2));
+}
+
+function updatePackageJson(src) {
+  const { extendedPublishConfig, scripts, ...pkg } = require(src);
+
+  return {
+    ...pkg,
+    ...extendedPublishConfig,
+  };
+}
+
+PACKAGES_TO_EXTEND.forEach((dirName) => {
+  const src = resolve(__dirname, `../packages/${dirName}`, 'package.json');
+  const content = updatePackageJson(src);
+  writeNewPackageJson(src, content);
+});