nodejh 6 years ago
parent
commit
0036bdf79d
9 changed files with 512 additions and 1 deletions
  1. 2
    1
      .gitignore
  2. 38
    0
      lib/block.js
  3. 23
    0
      lib/dvaServerSync.js
  4. 26
    0
      lib/index.js
  5. 95
    0
      lib/preSSRService.js
  6. 201
    0
      lib/render.js
  7. 59
    0
      lib/runtimeSSRMiddle.js
  8. 12
    0
      lib/ssrModel.js
  9. 56
    0
      lib/utils.js

+ 2
- 1
.gitignore View File

@@ -1,3 +1,4 @@
1 1
 node_modules
2 2
 .DS_Store
3
-npm-debug.log
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+npm-debug.log
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+package-lock.json

+ 38
- 0
lib/block.js View File

@@ -0,0 +1,38 @@
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+"use strict";
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+const container = new Map();
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+const callbacks = new Map();
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+
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+exports.default = {
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+  lock: id => {
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+    let count = container.get(id) || 0;
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+    container.set(id, ++count);
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+  },
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+  release: function (id) {
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+    let count = container.get(id) || 0;
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+    if (count) {
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+      container.set(id, --count);
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+    }
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+    this.check();
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+  },
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+  check: () => {
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+    for (let [id, callback] of callbacks) {
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+      const count = container.get(id);
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+      if (count === 0) {
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+        container.delete(id);
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+        callback();
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+      }
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+    }
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+  },
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+  wait: function (id, callback) {
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+    callbacks.set(id, function () {
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+      callbacks.delete(id);
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+      callback();
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+    });
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+    this.check();
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+  }
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+};
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+module.exports = exports["default"];

+ 23
- 0
lib/dvaServerSync.js View File

@@ -0,0 +1,23 @@
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+"use strict";
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.default = sync;
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+function sync(key, filter, block) {
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+  return {
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+    onEffect: function (effect, { put }, model, actionType) {
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+      const temp = [];
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+      return function* (...args) {
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+        if (filter(args[0])) {
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+          block.lock(key);
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+        }
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+        yield effect(...args);
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+        if (filter(args[0])) {
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+          block.release(key);
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+        }
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+      };
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+    }
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+  };
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+}
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+module.exports = exports["default"];

+ 26
- 0
lib/index.js View File

@@ -0,0 +1,26 @@
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+
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+var _runtimeSSRMiddle = require('./runtimeSSRMiddle');
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+
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+var _runtimeSSRMiddle2 = _interopRequireDefault(_runtimeSSRMiddle);
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+
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+var _preSSRService = require('./preSSRService');
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+
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+var _preSSRService2 = _interopRequireDefault(_preSSRService);
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+
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+var _render = require('./render');
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+
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+var _render2 = _interopRequireDefault(_render);
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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+
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+exports.default = {
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+  runtimeSSRMiddle: _runtimeSSRMiddle2.default,
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+  preSSRService: _preSSRService2.default,
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+  render: _render2.default
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+};
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+module.exports = exports['default'];

+ 95
- 0
lib/preSSRService.js View File

@@ -0,0 +1,95 @@
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.RenderService = undefined;
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+exports.default = preSSRService;
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+
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+var _render = require('./render');
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+
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+var _render2 = _interopRequireDefault(_render);
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+
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+var _utils = require('./utils');
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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+
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+function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
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+
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+function getPathsFromRoutes(routes) {
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+  const paths = [];
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+  (0, _utils.searchRoutes)(routes, route => {
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+    paths.push(route.props.path);
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+  });
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+  return paths;
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+}
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+
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+class RenderService {
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+  constructor({ url, interval, renderOptions }) {
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+    this.url = url;
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+    this.timeout = interval;
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+    this.renderOptions = renderOptions;
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+  }
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+
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+  render() {
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+    var _this = this;
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+
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+    return _asyncToGenerator(function* () {
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+      yield (0, _render2.default)(_this.renderOptions);
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+      _this.timer = setTimeout(_this.run.bind(_this), _this.timeout);
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+    })();
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+  }
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+
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+  run() {
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+    this.render();
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+  }
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+
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+  stop() {
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+    if (this.timer) {
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+      clearTimeout(this.timer);
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+    }
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+  }
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+}
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+
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+exports.RenderService = RenderService;
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+function preSSRService({
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+  renderFullPage, createApp, initialState, interval = 10000, onRenderSuccess, routes, timeout = 6000, verbose = true
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+}) {
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+  const paths = getPathsFromRoutes(routes);
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+  paths.forEach(path => {
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+    new RenderService({
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+      url: path,
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+      interval,
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+      renderOptions: {
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+        routes,
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+        url: path,
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+        renderFullPage,
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+        createApp,
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+        initialState,
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+        onRenderSuccess,
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+        timeout,
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+        env: {
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+          platform: 'pc'
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+        },
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+        verbose
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+      }
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+    }).run();
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+    new RenderService({
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+      url: path,
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+      interval,
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+      renderOptions: {
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+        routes,
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+        url: path,
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+        renderFullPage,
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+        createApp,
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+        initialState,
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+        onRenderSuccess,
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+        timeout,
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+        env: {
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+          platform: 'mobile'
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+        },
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+        verbose
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+      }
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+    }).run();
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+  });
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+}

+ 201
- 0
lib/render.js View File

@@ -0,0 +1,201 @@
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+
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+let renderFragment = (() => {
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+  var _ref = _asyncToGenerator(function* (createApp, routes, url, initialState, timeout, verbose) {
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+    const history = (0, _history.createMemoryHistory)();
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+    history.push(url);
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+    const context = {};
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+    const app = createApp({
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+      history,
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+      initialState
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+    });
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+    if (!existSSRModel(app)) {
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+      app.model(_ssrModel2.default);
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+    }
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+    app.router(function (options) {
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+      return _react2.default.createElement(
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+        _reactRouter.StaticRouter,
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+        { location: url, context: options.context },
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+        _react2.default.createElement(
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+          'div',
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+          null,
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+          routes
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+        )
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+      );
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+    });
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+    const asyncActions = getAsyncActions(app);
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+    const branch = (0, _utils.findRouteByUrl)(routes, url);
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+    if (branch.length === 0) {
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+      return {};
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+    }
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+    const sync = findSync(branch);
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+    if (!sync && asyncActions && asyncActions.length > 0) {
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+      const id = (0, _uid2.default)(10);
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+      app.use((0, _dvaServerSync2.default)(id, function (action) {
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+        if (asyncActions.indexOf(action.type) > -1) {
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+          return true;
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+        }
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+        return false;
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+      }, _block2.default));
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+      const appDOM = app.start()({
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+        context
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+      });
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+      if (verbose) {
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+        console.time(`${url}: async wait time`);
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+      }
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+      const result = yield new Promise(function (resolve, reject) {
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+        const timer = setTimeout(function () {
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+          reject(new Error('render timeout'));
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+        }, timeout);
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+        _block2.default.wait(id, function () {
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+          if (verbose) {
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+            console.timeEnd(`${url}: async wait time`);
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+          }
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+          clearTimeout(timer);
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+          const curState = appDOM.props.store.getState();
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+          const html = (0, _server.renderToStaticMarkup)(appDOM);
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+          resolve({ html, state: curState, context });
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+        });
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+      });
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+      return result;
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+    }
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+    const appDOM = app.start()({
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+      context
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+    });
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+    const html = (0, _server.renderToStaticMarkup)(appDOM);
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+    const curState = appDOM.props.store.getState();
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+    return { html, state: curState, context };
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+  });
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+
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+  return function renderFragment(_x, _x2, _x3, _x4, _x5, _x6) {
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+    return _ref.apply(this, arguments);
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+  };
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+})();
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+
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+var _react = require('react');
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+
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+var _react2 = _interopRequireDefault(_react);
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+
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+var _uid = require('uid');
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+
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+var _uid2 = _interopRequireDefault(_uid);
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+
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+var _reactRouter = require('react-router');
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+
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+var _history = require('history');
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+
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+var _lodash = require('lodash.merge');
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+
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+var _lodash2 = _interopRequireDefault(_lodash);
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+
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+var _server = require('react-dom/server');
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+
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+var _ssrModel = require('./ssrModel');
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+
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+var _ssrModel2 = _interopRequireDefault(_ssrModel);
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+
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+var _utils = require('./utils');
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+
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+var _dvaServerSync = require('./dvaServerSync');
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+
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+var _dvaServerSync2 = _interopRequireDefault(_dvaServerSync);
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+
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+var _block = require('./block');
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+
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+var _block2 = _interopRequireDefault(_block);
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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+
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+function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
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+
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+function existSSRModel(app) {
116
+  try {
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+    let model = null;
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+    app._models.forEach(m => {
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+      if (m.namespace === 'ssr') {
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+        model = m;
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+      }
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+    });
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+    return !!model;
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+  } catch (e) {
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+    return false;
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+  }
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+}
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+
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+function getAsyncActions(app) {
130
+  try {
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+    let actions = [];
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+    app._models.forEach(model => {
133
+      if (model.effects) {
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+        actions = actions.concat(Object.keys(model.effects));
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+      }
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+    });
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+    return actions;
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+  } catch (e) {
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+    return [];
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+  }
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+}
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+
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+function findSync(branch) {
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+  let sync = false;
145
+  branch.forEach(b => {
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+    sync = !!b.props.sync;
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+  });
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+  return sync;
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+}
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+
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+exports.default = (() => {
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+  var _ref2 = _asyncToGenerator(function* ({
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+    url, env, routes, renderFullPage, createApp, initialState, onRenderSuccess, timeout = 6000, verbose = true
154
+  }) {
155
+    try {
156
+      if (verbose) {
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+        console.log(`[${url}]`);
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+        console.time(`${url}: render time`);
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+      }
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+      const state = (0, _lodash2.default)({}, initialState || {}, {
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+        ssr: {
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+          env
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+        }
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+      });
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+      const fragment = yield renderFragment(createApp, routes, url, state, timeout, verbose);
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+      if (verbose) {
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+        console.timeEnd(`${url}: render time`);
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+      }
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+      const context = fragment.context;
170
+      if (!context) {
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+        return { code: 404, url, env };
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+      } else if (context.url) {
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+        return {
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+          code: 302, url, env, redirect: context.url
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+        };
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+      }
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+      const html = yield renderFullPage(fragment);
178
+      if (onRenderSuccess) {
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+        yield onRenderSuccess({
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+          html, url, env, state: fragment.state
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+        });
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+      }
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+      return {
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+        code: 200, url, env, html
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+      };
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+    } catch (e) {
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+      console.error(e);
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+      return {
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+        code: 500, url, env, error: e
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+      };
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+    }
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+  });
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+
194
+  function render(_x7) {
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+    return _ref2.apply(this, arguments);
196
+  }
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+
198
+  return render;
199
+})();
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+
201
+module.exports = exports['default'];

+ 59
- 0
lib/runtimeSSRMiddle.js View File

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+'use strict';
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+
3
+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.default = runtimeSSRMiddle;
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+
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+var _mobileDetect = require('mobile-detect');
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+
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+var _mobileDetect2 = _interopRequireDefault(_mobileDetect);
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+
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+var _render = require('./render');
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+
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+var _render2 = _interopRequireDefault(_render);
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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+
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+function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
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+
20
+function runtimeSSRMiddle({
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+  routes, renderFullPage, createApp, initialState, onRenderSuccess, timeout = 6000, verbose = true
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+}) {
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+  return (() => {
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+    var _ref = _asyncToGenerator(function* (req, res, next) {
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+      const isMobile = !!new _mobileDetect2.default(req.headers['user-agent']).mobile();
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+      const result = yield (0, _render2.default)({
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+        url: req.url,
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+        env: { platform: isMobile ? 'mobile' : 'pc' },
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+        routes,
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+        renderFullPage,
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+        createApp,
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+        initialState,
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+        onRenderSuccess,
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+        timeout,
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+        verbose
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+      });
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+      switch (result.code) {
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+        case 200:
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+          return res.end(result.html);
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+        case 302:
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+          return res.redirect(302, result.redirect);
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+        case 404:
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+          next();
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+          break;
45
+        case 500:
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+          next(result.error);
47
+          break;
48
+        default:
49
+          next();
50
+          break;
51
+      }
52
+    });
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+
54
+    return function (_x, _x2, _x3) {
55
+      return _ref.apply(this, arguments);
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+    };
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+  })();
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+}
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+module.exports = exports['default'];

+ 12
- 0
lib/ssrModel.js View File

@@ -0,0 +1,12 @@
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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.default = {
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+  namespace: 'ssr',
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+  state: {
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+    env: null
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+  }
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+};
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+module.exports = exports['default'];

+ 56
- 0
lib/utils.js View File

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+'use strict';
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+
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+Object.defineProperty(exports, "__esModule", {
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+  value: true
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+});
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+exports.searchRoutes = searchRoutes;
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+exports.findRouteByUrl = findRouteByUrl;
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+
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+var _reactRouter = require('react-router');
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+
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+var _react = require('react');
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+
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+var _react2 = _interopRequireDefault(_react);
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+
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+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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+
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+function isArray(element) {
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+  return Object.prototype.toString.call(element) === '[object Array]';
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+}
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+
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+function searchRoutes(r, callback) {
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+  function searchPaths(routes) {
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+    if (isArray(routes)) {
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+      routes.forEach(route => {
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+        searchPaths(route);
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+      });
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+    }
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+    if (typeof routes === 'object' && routes.props && routes.props.children) {
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+      _react2.default.Children.forEach(routes.props.children, route => {
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+        searchPaths(route);
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+      });
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+    }
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+    if (typeof routes === 'object' && routes.props && routes.props.path) {
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+      callback(routes);
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+    }
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+  }
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+  searchPaths(r);
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+}
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+
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+function findRouteByUrl(routes, url) {
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+  const rtn = [];
42
+  const queryIndex = url.indexOf('?');
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+  if (queryIndex > -1) {
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+    url = url.slice(0, queryIndex);
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+  }
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+  if (url.length > 1 && url[url.length - 1] === '/') {
47
+    url = url.slice(0, -1);
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+  }
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+  searchRoutes(routes, route => {
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+    const match = (0, _reactRouter.matchPath)(url, route.props);
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+    if (match) {
52
+      rtn.push(route);
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+    }
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+  });
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+  return rtn;
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+}