更新最新代码

2026-10-26 17:32:47 +08:00
commit 0f5dc01674
315 changed files with 42640 additions and 0 deletions
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+const cache = require('./data-cache');
+// 页面各自记录版本，三级页面修改不会被某一个上层页面“消费”掉。
+function withDataCache(definition, loaders) {
+  const actions = Array.from(new Set([].concat(...Object.keys(loaders).map(name => loaders[name]))));
+  Object.keys(loaders).forEach(name => {
+    const load = definition[name];
+    if (!load) return;
+    definition[name] = function(...args) {
+      if (!this._dataLoads) this._dataLoads = {};
+      const dependencies = loaders[name];
+      const signature = cache.signature(dependencies);
+      const previous = this._dataLoads[name];
+      const key = JSON.stringify(args);
+      if (previous && previous.pending && (previous.signature !== signature || previous.key !== key)) {
+        return previous.pending.then(() => this[name](...args));
+      }
+      const ttl = Math.min(...dependencies.map(action => cache.policies[action] || cache.TTL));
+      if (previous && previous.signature === signature && previous.key === key) {
+        if (previous.pending) return previous.pending;
+        if (Date.now() - previous.time < ttl && !this.data.loadError && !this.data.homeError && !this.data.statsError && !this.data.bindingError && !this.data.commentsError) return Promise.resolve();
+      }
+      const record = { signature, key, time: 0 };
+      this._dataLoads[name] = record;
+      record.pending = Promise.resolve().then(() => load.apply(this, args)).then(result => {
+        if (!this.data.loadError && !this.data.homeError && !this.data.statsError && !this.data.bindingError && !this.data.commentsError) {
+          record.time = Date.now();
+          if (name !== 'loadComments') this._hasCachedData = true;
+        }
+        record.pending = null;
+        return result;
+      }, error => { record.pending = null; throw error; });
+      return record.pending;
+    };
+  });
+  ['onPullDownRefresh', 'onRefresh'].forEach(name => {
+    const refresh = definition[name];
+    if (refresh) definition[name] = function(...args) {
+      cache.invalidate(actions);
+      return refresh.apply(this, args);
+    };
+  });
+  return definition;
+}
+module.exports = { withDataCache };