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Return empty array instead of undefined in mapTimestampToAxisTicksByFormat

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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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依瑪貓
2026-03-09 19:39:43 +08:00
parent 35d5b07b07
commit a669c8e98e
2 changed files with 3 additions and 2 deletions
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1
src/module/timeLabel.js
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@@ -251,4 +251,5 @@ export const mapTimestampToAxisTicksByFormat = (timeStampArr, timeFormat) => {
if (timeStampArr) { if (timeStampArr) {
return timeStampArr.map((ts) => moment(ts).format(timeFormat)); return timeStampArr.map((ts) => moment(ts).format(timeFormat));
} }
return [];
}; };

4
tests/unit/module/timeLabel.test.js
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@@ -168,7 +168,7 @@ describe("mapTimestampToAxisTicksByFormat", () => {
expect(result[0]).toBe("2023/01/15"); expect(result[0]).toBe("2023/01/15");
}); });
it("returns undefined for falsy input", () => { it("returns empty array for falsy input", () => {
expect(mapTimestampToAxisTicksByFormat(null, "YYYY")).toBeUndefined(); expect(mapTimestampToAxisTicksByFormat(null, "YYYY")).toEqual([]);
}); });
}); });