Rewrite Croppie in TypeScript

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf

.gitignore

@@ -2,4 +2,6 @@
 npm-debug.log
 node_modules/
 bower_components
-/nbproject/private/
+/nbproject/private/
+.vscode/
+dist/

.prettierrc

@@ -0,0 +1,11 @@
+{
+  "arrowParens": "always",
+  "bracketSpacing": true,
+  "endOfLine": "lf",
+  "printWidth": 80,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "none",
+  "tabWidth": 2,
+  "useTabs": false
+}

build.ts

@@ -0,0 +1,76 @@
+import { rollup } from 'rollup';
+const { terser } = require('rollup-plugin-terser');
+const typescript = require('rollup-plugin-typescript');
+
+const build = async () => {
+  const buildEsm2015 = async () => {
+    const esm2015Bundle = rollup({
+      input: 'src/index.ts',
+      plugins: [typescript()]
+    });
+    return (await esm2015Bundle).write({
+      file: 'dist/esm2015/croppie.js',
+      format: 'esm',
+      sourcemap: true
+    });
+  };
+
+  const buildEsm5 = async () => {
+    const esm5Bundle = rollup({
+      input: 'src/index.ts',
+      plugins: [
+        typescript({
+          target: 'es5',
+          declaration: false
+        })
+      ]
+    });
+    return (await esm5Bundle).write({
+      file: 'dist/esm5/croppie.js',
+      format: 'esm',
+      sourcemap: true
+    });
+  };
+
+  const buildUmd = async () => {
+    const umdBundle = rollup({
+      input: 'src/index.ts',
+      plugins: [
+        typescript({
+          target: 'es5'
+        })
+      ]
+    });
+    return (await umdBundle).write({
+      file: 'dist/bundles/croppie.js',
+      format: 'umd',
+      sourcemap: true,
+      name: 'Croppie'
+    });
+  };
+
+  const buildUmdMinified = async () => {
+    const umdMinifiedBundle = rollup({
+      input: 'src/index.ts',
+      plugins: [
+        typescript({
+          target: 'es5'
+        }),
+        terser()
+      ]
+    });
+    return (await umdMinifiedBundle).write({
+      file: 'dist/bundles/croppie.min.js',
+      format: 'umd',
+      sourcemap: true,
+      name: 'Croppie'
+    });
+  };
+
+  await buildEsm2015();
+  await buildEsm5();
+  await buildUmd();
+  await buildUmdMinified();
+};
+
+build().then((_) => console.log('Done'));