🔧 Add new build system

gulpfile.js

@@ -0,0 +1,34 @@
+const gulp = require("gulp");
+const rollup = require("rollup");
+const rollupTypescript = require("@rollup/plugin-typescript");
+const exec = require("child_process").exec;
+
+gulp.task("build", async function () {
+  const bundle = await rollup.rollup({
+    input: "./src/index.ts",
+    plugins: [
+      rollupTypescript()
+    ]
+  });
+
+  exec("tsc");
+
+  await bundle.write({
+    file: "./dist/index.umd.js",
+    format: "umd",
+    name: "uppload",
+    sourcemap: true
+  });
+
+  await bundle.write({
+    file: "./dist/index.cjs.js",
+    format: "cjs",
+    sourcemap: true
+  });
+
+  await bundle.write({
+    file: "./dist/index.amd.js",
+    format: "amd",
+    sourcemap: true
+  });
+});

package.json

@@ -15,7 +15,7 @@
     "upload",
     "javascript"
   ],
-  "main": "dist/index.js",
+  "main": "dist/index.umd.js",
   "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
@@ -29,7 +29,7 @@
   "scripts": {
     "build": "npm run build-package && node scripts/build-scss.js",
     "test": "jest",
-    "build-package": "tsc",
+    "build-package": "gulp build",
     "build-site": "site",
     "build-demo": "parcel build demo/index.html",
     "demo": "parcel demo/index.html",