Fix the paths for source maps in the release (#5)

Resolves #4

package.json

@@ -40,10 +40,10 @@
   "devDependencies": {
     "@types/node": "^6.0.54",
     "@types/yargs": "^8.0.2",
-    "codecov.io": "0.1.6",
+    "codecov": "~3.0.4",
     "copyfiles": "^1.2.0",
     "husky": "^0.14.3",
-    "intern": "~4.1.4",
+    "intern": "~4.2.0",
     "lint-staged": "^6.0.0",
     "prettier": "^1.10.2",
     "rimraf": "^2.6.2",

src/package.ts

@@ -29,9 +29,15 @@ const extensionMapByDir: { [key: string]: { [key: string]: string } } = {
 };
 
 const contentTransformsByDir: { [key: string]: { [key: string]: ContentTransform } } = {
+	cjs: {
+		'.js.map': fixSourceMap
+	},
 	esm: {
 		'.mjs': remapMjsSourceMap,
 		'.mjs.map': fixMjsSourceMap
+	},
+	umd: {
+		'.js.map': fixSourceMap
 	}
 };
 
@@ -53,7 +59,7 @@ destDirectories.forEach(({ dest: destDir, flat, packageJson }) => {
 
 			const destFile = path.join(destDirFullPath, parsed.path, parsed.file + parsed.extension);
 
-			copy(sourceFile, destFile, transformMap[parsed.extension]);
+			copy(sourceFile, destFile, flat, transformMap[parsed.extension]);
 		});
 	});
 
@@ -76,7 +82,23 @@ function remapMjsSourceMap(contents: string): string {
 	return contents.replace(/(\/\/.*sourceMappingURL=.*?)(\.js\.map)/g, '$1.mjs.map');
 }
 
-function fixMjsSourceMap(contents: string): string {
+function fixSourceMap(contents: string, flat: boolean): string {
+	if (flat) {
+		const json = JSON.parse(contents);
+
+		if (json.sources) {
+			json.sources = json.sources.map((source: string) => path.basename(source));
+		}
+
+		return JSON.stringify(json);
+	}
+
+	return contents;
+}
+
+function fixMjsSourceMap(contents: string, flat: boolean): string {
+	contents = fixSourceMap(contents, flat);
+
 	const json = JSON.parse(contents);
 
 	if (json.file) {

src/utils/file.ts

@@ -20,10 +20,10 @@ export function glob(base: string): string[] {
 }
 
 export interface ContentTransform {
-	(content: string): string;
+	(content: string, flat: boolean): string;
 }
 
-export function copy(sourceFile: string, destFile: string, transform?: ContentTransform) {
+export function copy(sourceFile: string, destFile: string, flat: boolean, transform?: ContentTransform) {
 	// dest file path must exist all the way down
 	const directoriesThatNeedToExist = [];
 	let base = path.dirname(destFile);
@@ -39,7 +39,7 @@ export function copy(sourceFile: string, destFile: string, transform?: ContentTr
 
 	let content: string | Buffer = fs.readFileSync(sourceFile);
 	if (transform) {
-		content = transform(content.toString());
+		content = transform(content.toString(), flat);
 	}
 
 	fs.writeFileSync(destFile, content);