feat: 完成 DOCX 视觉门禁与字体兼容映射

2026-07-31 20:13:19 +08:00
parent 10bc62cee4
commit e5da699ea3
32 changed files with 3015 additions and 17 deletions
@@ -0,0 +1,64 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  aggregatePdfTextLines,
+  buildPageContentText,
+  normalizePdfText,
+  type PdfTextItemSnapshot,
+} from "../src/index.js";
+
+function item(
+  text: string,
+  x: number,
+  y: number,
+  width = 20,
+  height = 10,
+): PdfTextItemSnapshot {
+  return {
+    text,
+    normalizedText: normalizePdfText(text),
+    bounds: { x, y, width, height },
+    baselineY: y + height,
+    hasEol: false,
+  };
+}
+
+describe("PDF 文本行聚合", () => {
+  it("按坐标聚合中文文本并规范化兼容字符", () => {
+    const lines = aggregatePdfTextLines(
+      [
+        item("ＡＢＣ", 10, 100, 30),
+        item("中文", 41, 100, 20),
+        item("第二行", 10, 120, 40),
+      ],
+      842,
+    );
+    expect(lines.map((line) => line.normalizedText)).toEqual([
+      "ABC中文",
+      "第二行",
+    ]);
+  });
+
+  it("只在页眉页脚坐标带识别独立页码", () => {
+    const lines = aggregatePdfTextLines(
+      [
+        item("章节 1", 72, 400, 50),
+        item("— 1 —", 280, 731, 35, 14),
+      ],
+      842,
+    );
+    expect(lines.map((line) => line.role)).toEqual([
+      "content",
+      "page-number",
+    ]);
+    expect(buildPageContentText(lines)).toBe("章节 1");
+  });
+
+  it("不会把页脚中的普通说明误判为页码", () => {
+    const lines = aggregatePdfTextLines(
+      [item("内部资料 1", 72, 800, 70)],
+      842,
+    );
+    expect(lines[0]?.role).toBe("content");
+  });
+});