增加了基础的块功能

2026-02-25 14:57:25 +08:00
parent 5709ef2966
commit f7c2f8f53e
11 changed files with 1565 additions and 16 deletions
@@ -0,0 +1,44 @@
+import assert from "node:assert/strict";
+import {
+    buildDropIndicatorText,
+    computeSpanTargetStart,
+    mergeBlockTexts,
+    moveContiguousSpan,
+} from "../src/lib/editor-block-ops.ts";
+
+const cases = [
+    () => assert.equal(mergeBlockTexts(["A", "B", "C"]), "A\n\nB\n\nC"),
+    () => assert.equal(computeSpanTargetStart(6, 2, 3, 3), 2),
+    () => assert.equal(computeSpanTargetStart(6, 3, 4, 1), 1),
+    () => assert.equal(computeSpanTargetStart(6, 1, 2, 5), 3),
+    () => {
+        const moved = moveContiguousSpan(["A", "B", "C", "D", "E"], 2, 3, 1);
+        assert.equal(moved.changed, true);
+        assert.equal(moved.targetStart, 1);
+        assert.deepEqual(moved.reordered, ["A", "C", "D", "B", "E"]);
+    },
+    () => {
+        const moved = moveContiguousSpan(["A", "B", "C", "D", "E"], 1, 2, 5);
+        assert.equal(moved.changed, true);
+        assert.equal(moved.targetStart, 3);
+        assert.deepEqual(moved.reordered, ["A", "D", "E", "B", "C"]);
+    },
+    () => {
+        const moved = moveContiguousSpan(["A", "B", "C", "D", "E"], 1, 3, 2);
+        assert.equal(moved.changed, false);
+        assert.equal(moved.targetStart, 1);
+        assert.deepEqual(moved.reordered, ["A", "B", "C", "D", "E"]);
+    },
+    () => {
+        assert.equal(buildDropIndicatorText(0, 4), "将插入到第 1 块之前");
+        assert.equal(buildDropIndicatorText(2, 4), "将插入到第 3 块之前");
+        assert.equal(buildDropIndicatorText(9, 4), "将插入到文档末尾");
+    },
+];
+
+for (const [index, run] of cases.entries()) {
+    run();
+    console.log(`ok ${index + 1}`);
+}
+
+console.log(`All ${cases.length} editor block operation checks passed.`);