drop support for node 6

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-- '6'
+- '8'
 - node
 
 os:

src/index.js

@@ -64,26 +64,26 @@ module.exports = class WebappWebpackPlugin {
         || htmlPlugin.options.favicons !== false && htmlPlugin.options.inject && inject;
     }
 
-    tap(compiler, 'make', 'WebappWebpackPlugin', (compilation, callback) =>
-      // Generate favicons
-      child.run(this.options, compiler.context, compilation)
-        .then(tags => {
-          this.tags.resolve(tags);
+    tap(compiler, 'make', 'WebappWebpackPlugin', async (compilation, callback) => {
+      try {
+        // Generate favicons
+        const tags = await child.run(this.options, compiler.context, compilation);
+        this.tags.resolve(tags);
 
-          // Hook into the html-webpack-plugin processing and add the html
-          tapHtml(compilation, 'WebappWebpackPlugin', (htmlPluginData, callback) => {
-            if (this.options.inject(htmlPluginData.plugin)) {
-              const idx = (htmlPluginData.html + '</head>').search(/<\/head>/i);
-              htmlPluginData.html = [htmlPluginData.html.slice(0, idx), ...tags, htmlPluginData.html.slice(idx)].join('');
-            }
-            return callback(null, htmlPluginData);
-          });
-          return callback();
-        })
-        .catch(err => {
-          this.tags.reject(err);
-          return callback(err);
-        })
-    );
+        // Hook into the html-webpack-plugin processing and add the html
+        tapHtml(compilation, 'WebappWebpackPlugin', (htmlPluginData, callback) => {
+          if (this.options.inject(htmlPluginData.plugin)) {
+            const idx = (htmlPluginData.html + '</head>').search(/<\/head>/i);
+            htmlPluginData.html = [htmlPluginData.html.slice(0, idx), ...tags, htmlPluginData.html.slice(idx)].join('');
+          }
+          return callback(null, htmlPluginData);
+        });
+        return callback();
+
+      } catch (err) {
+        this.tags.reject(err);
+        return callback(err);
+      }
+    });
   }
 }

src/loader.js

@@ -7,7 +7,7 @@ const pkg = require('../package.json')
 
 const trailingSlash = (path) => (path.substr(-1) !== '/') ? path + '/' : path;
 
-module.exports = function (content) {
+module.exports = async function (content) {
   /* istanbul ignore next */
   if (!this.async) throw new Error('async is required');
 
@@ -19,13 +19,15 @@ module.exports = function (content) {
     content: msgpack.encode([content, query.options, pkg.version]), // hash must depend on logo + config + version
   }));
   const outputPath = query.outputPath ? trailingSlash(query.outputPath) : prefix;
-  // Generate icons
-  return favicons(content, Object.assign(query.options, { path: url.resolve(path, prefix) }))
-    .then(({ html: tags, images, files }) => {
-      const assets = [...images, ...files].map(({ name, contents }) => ({ name: outputPath + name, contents }));
-      return callback(null, `module.exports = '${msgpack.encode({ tags, assets }).toString('base64')}'`);
-    })
-    .catch(callback);
+
+  try {
+    // Generate icons
+    const { html: tags, images, files } = await favicons(content, Object.assign(query.options, { path: url.resolve(path, prefix) }))
+    const assets = [...images, ...files].map(({ name, contents }) => ({ name: outputPath + name, contents }));
+    return callback(null, `module.exports = '${msgpack.encode({ tags, assets }).toString('base64')}'`);
+  } catch (err) {
+    return callback(err);
+  }
 };
 
 module.exports.raw = true;

src/rule_loader.js

@@ -1,10 +1,11 @@
-module.exports = function () {
+module.exports = async function () {
   const callback = this.async();
   const { plugin } = this.query;
 
-  plugin.tags.promise
-    .then(tags => {
-      callback(null, `module.exports = ['${tags.join("', '")}'];`);
-    })
-    .catch(callback);
+  try {
+    const tags = await plugin.tags.promise;
+    return callback(null, `module.exports = ['${tags.join("', '")}'];`);
+  } catch (err) {
+    return callback(err);
+  }
 };

test/util.js

@@ -46,7 +46,8 @@ module.exports.run = (compiler) => new Promise((resolve, reject) => {
 
 module.exports.generate = (config) => module.exports.run(module.exports.compiler(config));
 
-module.exports.compare = (a, b) => dircompare.compare(a, b, { compareContent: true, excludeFilter: '*.js' }).then(diff =>
-  diff.diffSet.filter(({ state }) => state !== 'equal')
+module.exports.compare = async (a, b) => {
+  const diff = await dircompare.compare(a, b, { compareContent: true, excludeFilter: '*.js' });
+  return diff.diffSet.filter(({ state }) => state !== 'equal')
     .map(({ path1, name1, path2, name2 }) => `${path.join(path1 || '', name1 + '')} ≠ ${path.join(path2 || '', name2 + '')}`)
-);
+}