tsconfig.json

/**
 * This configuration will allow us to generate TypeScript declaration (.d.ts) files without porting the entire project to TypeScript
 * Reference: https://www.typescriptlang.org/docs/handbook/declaration-files/dts-from-js.html
 **/
{
	"include": ["src/**/*"],
	"compilerOptions": {
		// Tells TypeScript to read JS files instead of ignoring them as source files
		"allowJs": true,
		// Generate d.ts files
		"declaration": true,
		// This compiler run should only output d.ts files
		"emitDeclarationOnly": true,
		// Explicitly set rootDir to src to output types directly to outDir without src/ nesting
		"rootDir": "src",
		// Types should go into this directory, otherwise the .d.ts files would be placed next to the javascript files
		"outDir": "types",
		// Go to the js file when using IDE functions like "Go to Definition" in VSCode"
		"declarationMap": true
	}
}