逐步完成前后端服务器

frontend/node_modules/zrender/build/progress.js

@@ -0,0 +1,65 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+const chalk = require('chalk');
+const path = require('path');
+
+module.exports = function progress(options = {}) {
+    const scope = options.scope || {};
+    scope.finished = scope.finished || 0;
+    scope.total = scope.total || 0;
+
+    return {
+        name: 'progress',
+
+        buildStart() {
+            scope.finished = 0;
+            scope.total = 0;
+        },
+
+        load() {
+            // TODO More accurate total number
+            scope.total++;
+        },
+
+        transform(code, id) {
+            scope.finished++;
+            const filePath = path.relative(process.cwd(), id).split(path.sep).join('/');
+
+            const output = `[${scope.finished}/${scope.total}]: ${chalk.grey(filePath)}`;
+            if (process.stdout.isTTY) {
+                process.stdout.clearLine();
+                process.stdout.cursorTo(0);
+                process.stdout.write(output);
+            }
+            else {
+                console.log(output);
+            }
+        },
+
+        buildEnd() {
+            if (process.stdout.isTTY) {
+                process.stdout.clearLine();
+                process.stdout.cursorTo(0);
+            }
+            else {
+                console.log('');
+            }
+        }
+    };
+};