can1357
d9a3291641
- Replaced external JSON/JSONL parsing libraries with Bun's built-in JSON5 and JSONL APIs across all packages. - Removed dependencies: json5, ndjson, get-east-asian-width, json-stringify-safe, split2, through2, and @types/ndjson. - Replaced custom text width and ANSI wrapping implementations with Bun.stringWidth() and Bun.wrapAnsi() APIs. - Updated Bun type definitions from ^1.2.17 to ^1.2.18 and bun-types from ^1.3.5 to ^1.3.7. - Refactored JSONL parsing throughout codebase to use Bun.JSONL.parse() and Bun.JSONL.parseChunk() with improved buffer management and error handling. - Updated test assertions to use Bun.stringWidth() for dynamic width calculations instead of hardcoded values.
79 lines
2.9 KiB
TypeScript
79 lines
2.9 KiB
TypeScript
import { describe, expect, it } from "bun:test";
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import { truncateToWidth, visibleWidth } from "@oh-my-pi/pi-tui";
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/**
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* Tests for truncateToWidth behavior with Unicode characters.
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*
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* These tests verify that truncateToWidth properly handles text with
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* Unicode characters that have different byte vs display widths.
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*/
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describe("truncateToWidth", () => {
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it("should truncate messages with Unicode characters correctly", () => {
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// This message contains a checkmark (✔) which may have display width > 1 byte
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const message = '✔ script to run › dev $ concurrently "vite" "node --import tsx ./';
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const maxMsgWidth = Bun.stringWidth(message) - 1;
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const truncated = truncateToWidth(message, maxMsgWidth);
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const truncatedWidth = visibleWidth(truncated);
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expect(truncatedWidth).toBeLessThanOrEqual(maxMsgWidth);
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});
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it("should handle emoji characters", () => {
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const message = "🎉 Celebration! 🚀 Launch 📦 Package ready for deployment now";
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const maxMsgWidth = Bun.stringWidth(message) - 2;
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const truncated = truncateToWidth(message, maxMsgWidth);
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const truncatedWidth = visibleWidth(truncated);
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expect(truncatedWidth).toBeLessThanOrEqual(maxMsgWidth);
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});
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it("should handle mixed ASCII and wide characters", () => {
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const message = "Hello 世界 Test 你好 More text here that is long";
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const maxMsgWidth = Bun.stringWidth(message) - 2;
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const truncated = truncateToWidth(message, maxMsgWidth);
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const truncatedWidth = visibleWidth(truncated);
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expect(truncatedWidth).toBeLessThanOrEqual(maxMsgWidth);
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});
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it("should not truncate messages that fit", () => {
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const message = "Short message";
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const width = 50;
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const maxMsgWidth = width - 2;
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const truncated = truncateToWidth(message, maxMsgWidth);
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expect(truncated).toBe(message);
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expect(visibleWidth(truncated)).toBeLessThanOrEqual(maxMsgWidth);
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});
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it("should add ellipsis when truncating", () => {
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const message = "This is a very long message that needs to be truncated";
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const width = 30;
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const maxMsgWidth = width - 2;
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const truncated = truncateToWidth(message, maxMsgWidth);
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expect(truncated).toContain("…");
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expect(visibleWidth(truncated)).toBeLessThanOrEqual(maxMsgWidth);
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});
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it("should handle the exact crash case from issue report", () => {
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// Terminal width is set to one column less than the full line
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// The problematic text contained "✔" and "›" characters
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const message = '✔ script to run › dev $ concurrently "vite" "node --import tsx ./server.ts"';
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const cursorWidth = 2; // "› " or " "
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const terminalWidth = Bun.stringWidth(message) + cursorWidth - 1;
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const maxMsgWidth = terminalWidth - cursorWidth;
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const truncated = truncateToWidth(message, maxMsgWidth);
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const finalWidth = visibleWidth(truncated);
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// The final line (cursor + message) must not exceed terminal width
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expect(finalWidth + cursorWidth).toBeLessThanOrEqual(terminalWidth);
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});
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});
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