Initial structure

Author: jwmerrill

.gitignore

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+build/
+node_modules/

package-lock.json

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+{
+  "name": "tsc-build-cache-invalidation",
+  "version": "1.0.0",
+  "description": "",
+  "main": "build/src/main/index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "tsc --build",
+    "clean": "rm -rf build/*"
+  },
+  "author": "Jason Merrill",
+  "license": "ISC",
+  "dependencies": {
+    "typescript": "^5.0.4"
+  }
+}

package.json

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+import { LogFn, message } from 'main/const'
+
+export const hello: LogFn = () => {
+  console.log(message);
+}

src/hello/hello.ts

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+export const message = "Hello World";
+
+export type LogFn = ()=>void

src/main/const.ts

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+import { hello } from '../hello/hello';
+
+hello();

src/main/index.ts

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+{
+  "extends": "../../tsconfig-base.json",
+  "references": [],
+  "include": [".", "../hello"]
+}

src/main/tsconfig.json

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+{
+  "compilerOptions": {
+    "strict": true,
+    "composite": true,
+    "rootDir": "src",
+    "baseUrl": "src",
+    "outDir": "build"
+  }
+}

tsconfig-base.json

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+{
+  "files": [],
+  "include": [],
+  "references": [
+    { "path": "./src/main" }
+  ]
+}