feat: 完善导出设置与打印预览

2026-07-26 01:36:51 +08:00
parent ec14f7970a
commit 52cf816683
20 changed files with 1552 additions and 146 deletions
@@ -0,0 +1,62 @@
+import { describe, expect, it } from "vitest";
+import { defaultExportConfig } from "@md-to-pdf/core";
+import {
+  EXPORT_CONFIG_STORAGE_KEY,
+  loadExportConfig,
+  parseStoredExportConfig,
+  saveExportConfig
+} from "../src/export-settings";
+
+function createMemoryStorage(initialValue: string | null = null) {
+  let value = initialValue;
+  return {
+    getItem(key: string) {
+      return key === EXPORT_CONFIG_STORAGE_KEY ? value : null;
+    },
+    setItem(key: string, nextValue: string) {
+      if (key === EXPORT_CONFIG_STORAGE_KEY) {
+        value = nextValue;
+      }
+    },
+    read() {
+      return value;
+    }
+  };
+}
+
+describe("导出设置缓存", () => {
+  it("在没有缓存时返回独立的默认配置", () => {
+    const first = parseStoredExportConfig(null);
+    const second = parseStoredExportConfig(null);
+    expect(first).toEqual(defaultExportConfig);
+    expect(first).not.toBe(second);
+  });
+
+  it("缓存损坏或版本过期时恢复默认配置", () => {
+    expect(parseStoredExportConfig("{")).toEqual(defaultExportConfig);
+    expect(
+      parseStoredExportConfig(
+        JSON.stringify({
+          ...defaultExportConfig,
+          version: 1
+        })
+      )
+    ).toEqual(defaultExportConfig);
+  });
+
+  it("保存并恢复经过校验的配置", () => {
+    const storage = createMemoryStorage();
+    const config = {
+      ...defaultExportConfig,
+      paper: {
+        ...defaultExportConfig.paper,
+        format: "A3" as const,
+        orientation: "landscape" as const
+      }
+    };
+
+    saveExportConfig(config, storage);
+    expect(storage.read()).toContain('"format":"A3"');
+    expect(loadExportConfig(storage)).toEqual(config);
+  });
+});