initial commit

.editorconfig

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+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2

.gitignore

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+node_modules/
+dist/

README.md

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+# resolve-ts-aliases
+
+Resolve aliases for integrating webpack and typescript.
+
+## Install
+
+```bash
+npm add -D resolve-ts-aliases
+```
+
+## Usage
+
+`tsconfig.json`:
+
+```json
+{
+  "compilerOptions": {
+    "baseUrl": "./",
+    "paths": {
+      "@app/*": ["src/app/*"],
+      "@components/*": ["src/components/*"]
+    }
+  }
+}
+```
+
+`webpack.config.ts`:
+
+```ts
+import * as path from "path";
+import * as webpack from "webpack";
+import { resolveTsAliases } from "webpack-ts-utils";
+
+const config: webpack.Configuration = {
+  resolve: {
+    // These 2 forms are equivalent.
+    alias: resolveTsAliases(path.resolve("tsconfig.json")),
+    alias: {
+      "@app": "/path/to/src/app",
+      "@components": "/path/to/src/components"
+    }
+  },
+};
+
+export default config;
+```

package.json

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+{
+  "name": "resolve-ts-aliases",
+  "version": "1.0.0",
+  "description": "Resolve aliases for integrating webpack and typescript.",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "rm -rf dist && tsc",
+    "prepare": "npm run build",
+    "release": "npm publish --access public"
+  },
+  "devDependencies": {
+    "@types/node": "^12.7.4",
+    "typescript": "^3.6.2"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/arzyu/resolve-ts-aliases"
+  },
+  "license": "MIT"
+}

src/index.ts

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+import { resolve, dirname} from "path";
+
+export const resolveTsAliases = (tsconfigPath: string) => {
+  const { baseUrl, paths } = require(tsconfigPath).compilerOptions;
+  const pathPrefix = resolve(dirname(tsconfigPath), baseUrl);
+  const aliases: { [key: string]: string } = {};
+
+  Object.keys(paths).forEach((item) => {
+    const name = item.replace("/*", "");
+    const value = resolve(pathPrefix, paths[item][0].replace("/*", ""));
+
+    aliases[name] = value;
+  });
+
+  return aliases;
+};

tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "declaration": true,
+    "baseUrl": "./",
+    "outDir": "./dist"
+  },
+  "files": ["src/index.ts"]
+}