Use rollup's node interface rather than its CLI interface in gulpfile.js

Author: gregjacobs

gulpfile.js

@@ -19,6 +19,9 @@ const _                 = require( 'lodash' ),
       punycode          = require( 'punycode' ),
 	  rename            = require( 'gulp-rename' ),
 	  replace           = require( 'gulp-replace' ),
+	  rollup            = require( 'rollup' ),
+	  rollupResolveNode = require( 'rollup-plugin-node-resolve' ),
+	  rollupCommonjs    = require( 'rollup-plugin-commonjs' ),
 	  sourcemaps        = require( 'gulp-sourcemaps' ),
       transform         = require( 'gulp-transform' ),
       typescript        = require( 'gulp-typescript' ),
@@ -234,8 +237,27 @@ async function buildSrcFixCommonJsIndexTask() {
 }
 
 
-function buildSrcRollupTask() {
-	return exec( `./node_modules/.bin/rollup ./dist/es2015/autolinker.js --file ./dist/Autolinker.js --format umd --name "Autolinker" --sourcemap` );
+async function buildSrcRollupTask() {
+	// create a bundle
+	const bundle = await rollup.rollup( {
+		input: './dist/es2015/autolinker.js',
+		plugins: [
+			rollupResolveNode( {
+				jsnext: true,
+				browser: true,
+			} ),
+			rollupCommonjs()
+		],
+		treeshake: true
+	} );
+
+	// write the bundle to disk
+	return bundle.write( {
+		file: './dist/Autolinker.js',
+		format: 'umd',
+		name: 'Autolinker',
+		sourcemap: true
+	} );
 }
 
 function buildSrcAddHeaderToUmdTask() {
@@ -301,8 +323,25 @@ function buildExampleTypeScriptTask() {
 		.pipe( gulp.dest( './.tmp/live-example/' ) );
 }
 
-function buildExampleRollupTask() {
-	return exec( `./node_modules/.bin/rollup ./.tmp/live-example/main.js --format iife --file ./docs/examples/live-example.js` );
+async function buildExampleRollupTask() {
+	// create a bundle
+	const bundle = await rollup.rollup( {
+		input: './.tmp/live-example/main.js',
+		plugins: [
+			rollupResolveNode( {
+				jsnext: true,
+				browser: true,
+			} ),
+			rollupCommonjs()
+		]
+	} );
+
+	// write the bundle to disk
+	return bundle.write( {
+		file: './docs/examples/live-example.js',
+		format: 'iife',
+		sourcemap: true
+	} );
 }
 
 

package.json

@@ -71,10 +71,15 @@
     "punycode": "^2.1.0",
     "puppeteer": "^1.11.0",
     "rollup": "^0.68.1",
+    "rollup-plugin-commonjs": "^9.2.0",
+    "rollup-plugin-node-resolve": "^4.0.0",
     "through2": "^2.0.1",
     "typescript": "^3.2.2",
     "webpack": "^4.28.2",
     "yarn": "^1.12.3"
   },
   "dependencies": {}
+  "dependencies": {
+    "tslib": "^1.9.3"
+  }
 }

tsconfig.json

@@ -17,7 +17,7 @@
     // "removeComments": true,                /* Do not emit comments to output. */
     "noEmit": true,   /* prevent accidental build with `tsc` command. Use package.json scripts instead */
     "noEmitOnError": true,
-    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    "importHelpers": true,                    /* Import emit helpers from 'tslib'. */
     "downlevelIteration": true,               /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
     // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
     "preserveConstEnums": true,
@@ -39,7 +39,7 @@
     // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
 
     /* Module Resolution Options */
-    // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
     // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
     // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
     // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */