chore: migrate to rollup >= 1

src/index-rollup-legacy.js

@@ -0,0 +1,99 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2018 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';
+
+const _ = require('lodash');
+const LicensePlugin = require('./license-plugin.js');
+
+module.exports = (options = {}) => {
+  const plugin = new LicensePlugin(options);
+
+  return {
+    /**
+     * Name of the plugin, used automatically by rollup.
+     * @type {string}
+     */
+    name: plugin.name,
+
+    /**
+     * Function called by rollup when a JS file is loaded: it is used to scan
+     * third-party dependencies.
+     *
+     * @param {string} id JS file path.
+     * @return {void}
+     */
+    load(id) {
+      plugin.scanDependency(id);
+    },
+
+    /**
+     * Function called by rollup to read global options: if source map parameter
+     * is truthy, enable it on the plugin.
+     *
+     * @param {object} opts Rollup options.
+     * @return {void}
+     */
+    options(opts) {
+      if (!opts) {
+        return;
+      }
+
+      if (_.has(options, 'sourceMap') || _.has(options, 'sourcemap')) {
+        // SourceMap has been set on the plugin itself.
+        return;
+      }
+
+      // Rollup >= 0.48 replace `sourceMap` with `sourcemap`.
+      // If `sourcemap` is disabled globally, disable it on the plugin.
+      if (opts.sourceMap === false || opts.sourcemap === false) {
+        plugin.disableSourceMap();
+      }
+    },
+
+    /**
+     * Function called by rollup when the final bundle is generated: it is used
+     * to prepend the banner file on the generated bundle.
+     *
+     * @param {string} code Bundle content.
+     * @param {Object} outputOptions The options for this output.
+     * @return {void}
+     */
+    transformBundle(code, outputOptions = {}) {
+      const sourcemap = outputOptions.sourcemap !== false || outputOptions.sourceMap !== false;
+      return plugin.prependBanner(code, sourcemap);
+    },
+
+    /**
+     * Function called by rollup when the final bundle will be written on disk: it
+     * is used to generate a file containing a summary of all third-party dependencies
+     * with license information.
+     *
+     * @return {void}
+     */
+    ongenerate() {
+      plugin.exportThirdParties();
+    },
+  };
+};

src/index-rollup-stable.js

@@ -0,0 +1,74 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2018 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';
+
+const LicensePlugin = require('./license-plugin.js');
+
+module.exports = (options = {}) => {
+  const plugin = new LicensePlugin(options);
+
+  return {
+    /**
+     * Name of the plugin, used automatically by rollup.
+     * @type {string}
+     */
+    name: plugin.name,
+
+    /**
+     * Function called by rollup when a JS file is loaded: it is used to scan
+     * third-party dependencies.
+     *
+     * @param {string} id JS file path.
+     * @return {void}
+     */
+    load(id) {
+      plugin.scanDependency(id);
+    },
+
+    /**
+     * Function called by rollup when the final bundle is generated: it is used
+     * to prepend the banner file on the generated bundle.
+     *
+     * @param {string} code Bundle content.
+     * @param {Object} chunk The chunk being generated.
+     * @param {Object} outputOptions The options for the generated output.
+     * @return {void}
+     */
+    renderChunk(code, chunk, outputOptions = {}) {
+      return plugin.prependBanner(code, outputOptions.sourcemap !== false);
+    },
+
+    /**
+     * Function called by rollup when the final bundle will be written on disk: it
+     * is used to generate a file containing a summary of all third-party dependencies
+     * with license information.
+     *
+     * @return {void}
+     */
+    generateBundle() {
+      plugin.exportThirdParties();
+    },
+  };
+};

src/index.js

@@ -24,74 +24,9 @@
 
 'use strict';
 
-const _ = require('lodash');
-const LicensePlugin = require('./license-plugin.js');
+const rollup = require('rollup');
+const VERSION = rollup.VERSION;
+const MAJOR_VERSION = VERSION ? Number(VERSION.split('.')[0]) : 0;
+const IS_ROLLUP_LEGACY = MAJOR_VERSION === 0;
 
-module.exports = (options = {}) => {
-  const plugin = new LicensePlugin(options);
-
-  return {
-    /**
-     * Name of the plugin, used automatically by rollup.
-     * @type {string}
-     */
-    name: plugin.name,
-
-    /**
-     * Function called by rollup when a JS file is loaded: it is used to scan
-     * third-party dependencies.
-     *
-     * @param {string} id JS file path.
-     * @return {void}
-     */
-    load(id) {
-      plugin.scanDependency(id);
-    },
-
-    /**
-     * Function called by rollup to read global options: if source map parameter
-     * is truthy, enable it on the plugin.
-     *
-     * @param {object} opts Rollup options.
-     * @return {void}
-     */
-    options(opts) {
-      if (!opts) {
-        return;
-      }
-
-      if (_.has(options, 'sourceMap') || _.has(options, 'sourcemap')) {
-        // SourceMap has been set on the plugin itself.
-        return;
-      }
-
-      // Rollup >= 0.48 replace `sourceMap` with `sourcemap`.
-      // If `sourcemap` is disabled globally, disable it on the plugin.
-      if (opts.sourceMap === false || opts.sourcemap === false) {
-        plugin.disableSourceMap();
-      }
-    },
-
-    /**
-     * Function called by rollup when the final bundle is generated: it is used
-     * to prepend the banner file on the generated bundle.
-     *
-     * @param {string} code Bundle content.
-     * @return {void}
-     */
-    transformBundle(code) {
-      return plugin.prependBanner(code);
-    },
-
-    /**
-     * Function called by rollup when the final bundle will be written on disk: it
-     * is used to generate a file containing a summary of all third-party dependencies
-     * with license information.
-     *
-     * @return {void}
-     */
-    ongenerate() {
-      plugin.exportThirdParties();
-    },
-  };
-};
+module.exports = IS_ROLLUP_LEGACY ? require('./index-rollup-legacy') : require('./index-rollup-stable');

src/license-plugin.js

@@ -54,7 +54,7 @@ class LicensePlugin {
     this._debug = options.debug || false;
 
     // SourceMap can now be disable/enable on the plugin.
-    this._sourceMap = options.sourceMap !== false && options.sourcemap !== false;
+    this._sourcemap = options.sourceMap !== false && options.sourcemap !== false;
 
     // This is a cache storing a directory path to associated package.
     // This is an improvement to avoid looking for package information for
@@ -68,7 +68,7 @@ class LicensePlugin {
    * @return {void}
    */
   disableSourceMap() {
-    this._sourceMap = false;
+    this._sourcemap = false;
   }
 
   /**
@@ -137,10 +137,11 @@ class LicensePlugin {
    * This hook is used here to prepend the license banner to the final bundle.
    *
    * @param {string} code The bundle content.
+   * @param {boolean} sourcemap If sourcemap must be generated.
    * @return {Object} The result containing the code and, optionnally, the source map
    *                  if it has been enabled (using `enableSourceMap` method).
    */
-  prependBanner(code) {
+  prependBanner(code, sourcemap) {
     // Create a magicString: do not manipulate the string directly since it
     // will be used to generate the sourcemap.
     const magicString = new MagicString(code);
@@ -192,7 +193,7 @@ class LicensePlugin {
       code: magicString.toString(),
     };
 
-    if (this._sourceMap) {
+    if (this._sourcemap !== false && sourcemap !== false) {
       result.map = magicString.generateMap({
         hires: true,
       });