项目初始化

sheep/router/utils/uni-read-pages-v3.js

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+'use strict';
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+const fs = require('fs');
+import stripJsonComments from './strip-json-comments';
+import { isArray, isEmpty } from 'lodash';
+
+class TransformPages {
+  constructor({ includes, pagesJsonDir }) {
+    this.includes = includes;
+    this.uniPagesJSON = JSON.parse(stripJsonComments(fs.readFileSync(pagesJsonDir, 'utf-8')));
+    this.routes = this.getPagesRoutes().concat(this.getSubPackagesRoutes());
+    this.tabbar = this.getTabbarRoutes();
+    this.routesMap = this.transformPathToKey(this.routes);
+  }
+  /**
+   * 通过读取pages.json文件 生成直接可用的routes
+   */
+  getPagesRoutes(pages = this.uniPagesJSON.pages, rootPath = null) {
+    let routes = [];
+    for (let i = 0; i < pages.length; i++) {
+      const item = pages[i];
+      let route = {};
+      for (let j = 0; j < this.includes.length; j++) {
+        const key = this.includes[j];
+        let value = item[key];
+        if (key === 'path') {
+          value = rootPath ? `/${rootPath}/${value}` : `/${value}`;
+        }
+        if (key === 'aliasPath' && i == 0 && rootPath == null) {
+          route[key] = route[key] || '/';
+        } else if (value !== undefined) {
+          route[key] = value;
+        }
+      }
+      routes.push(route);
+    }
+    return routes;
+  }
+  /**
+   * 解析小程序分包路径
+   */
+  getSubPackagesRoutes() {
+    if (!(this.uniPagesJSON && this.uniPagesJSON.subPackages)) {
+      return [];
+    }
+    const subPackages = this.uniPagesJSON.subPackages;
+    let routes = [];
+    for (let i = 0; i < subPackages.length; i++) {
+      const subPages = subPackages[i].pages;
+      const root = subPackages[i].root;
+      const subRoutes = this.getPagesRoutes(subPages, root);
+      routes = routes.concat(subRoutes);
+    }
+    return routes;
+  }
+
+  getTabbarRoutes() {
+    if (!(this.uniPagesJSON && this.uniPagesJSON.tabBar && this.uniPagesJSON.tabBar.list)) {
+      return [];
+    }
+    const tabbar = this.uniPagesJSON.tabBar.list;
+    let tabbarMap = [];
+    tabbar.forEach((bar) => {
+      tabbarMap.push('/' + bar.pagePath);
+    });
+    return tabbarMap;
+  }
+
+  transformPathToKey(list) {
+    if (!isArray(list) || isEmpty(list)) {
+      return [];
+    }
+    let map = {};
+    list.forEach((i) => {
+      map[i.path] = i;
+    });
+    return map;
+  }
+}
+
+function uniReadPagesV3Plugin({ pagesJsonDir, includes }) {
+  let defaultIncludes = ['path', 'aliasPath', 'name'];
+  includes = [...defaultIncludes, ...includes];
+  let pages = new TransformPages({
+    pagesJsonDir,
+    includes,
+  });
+  return {
+    name: 'uni-read-pages-v3',
+    config(config) {
+      return {
+        define: {
+          ROUTES: pages.routes,
+          ROUTES_MAP: pages.routesMap,
+          TABBAR: pages.tabbar,
+        },
+      };
+    },
+  };
+}
+exports.default = uniReadPagesV3Plugin;