release: release version

dist/index.js

@@ -0,0 +1,100 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Mickael Jeanroy
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+'use strict';
+
+var _ = require('lodash');
+var MagicString = require('magic-string');
+var diff = require('diff');
+var prettier = require('prettier');
+
+var NAME = 'rollup-plugin-prettier';
+
+module.exports = function () {
+  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+  var sourceMap = void 0;
+
+  return {
+    /**
+     * Plugin name (used by rollup for error messages and warnings).
+     * @type {string}
+     */
+    name: NAME,
+
+    /**
+     * Function called by `rollup` that is used to read the `sourceMap` setting.
+     *
+     * @param {Object} opts Rollup options.
+     * @return {void}
+     */
+    options: function options() {
+      var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+      sourceMap = !!opts.sourceMap;
+    },
+
+
+    /**
+     * Function called by `rollup` before generating final bundle.
+     *
+     * @param {string} source Souce code of the final bundle.
+     * @return {Object} The result containing a `code` property and, if a enabled, a `map` property.
+     */
+    transformBundle: function transformBundle(source) {
+      var output = prettier.format(source, options);
+
+      // No need to do more.
+      if (!sourceMap) {
+        return { code: output };
+      }
+
+      console.log('[' + NAME + '] Source-map is enabled, computing diff is required');
+      console.log('[' + NAME + '] This may take a moment (depends on the size of your bundle)');
+
+      var magicString = new MagicString(source);
+      var changes = diff.diffChars(source, output);
+
+      var idx = 0;
+
+      _.forEach(changes, function (part) {
+        if (part.added) {
+          magicString.prependLeft(idx, part.value);
+          idx -= part.count;
+        } else if (part.removed) {
+          magicString.remove(idx, idx + part.count);
+        }
+
+        idx += part.count;
+      });
+
+      return {
+        code: magicString.toString(),
+        map: magicString.generateMap({
+          hires: true
+        })
+      };
+    }
+  };
+};

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rollup-plugin-prettier",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "description": "Run prettier formatter with rollup",
   "main": "dist/index.js",
   "author": "Mickael Jeanroy <[email protected]>",