| import { describe, expect, it } from 'vitest' |
|
|
| import { hasAnsi, sanitizeAnsiForRender, stripAnsi } from './ansi' |
|
|
| const ESC = String.fromCharCode(27) |
| const BEL = String.fromCharCode(7) |
|
|
| describe('stripAnsi', () => { |
| it('strips CSI/OSC/control bytes from plain previews', () => { |
| const sample = `A${ESC}[31mB${ESC}[39m${ESC}[2J${ESC}]0;title${BEL}C${ESC}[?25lD` |
|
|
| expect(stripAnsi(sample)).toBe('ABCD') |
| }) |
|
|
| it('strips incomplete CSI prefixes and carriage returns', () => { |
| const sample = `A${ESC}[31mB${ESC}[12;${ESC}[CD\rE` |
|
|
| expect(stripAnsi(sample)).toBe('ABDE') |
| }) |
|
|
| it('strips multi-byte non-CSI ESC sequences without leaving trailing bytes', () => { |
| const sample = `A${ESC}(0B${ESC}%GC${ESC})0D` |
|
|
| expect(stripAnsi(sample)).toBe('ABCD') |
| expect(sanitizeAnsiForRender(sample)).toBe('ABCD') |
| }) |
|
|
| |
| |
| |
| it('leaves only visible text when OSC-8 hyperlinks, DCS strings, partial CSI and SGR mix', () => { |
| const sample = `${ESC}]8;;https://example.com${BEL}link${ESC}]8;;${BEL} ${ESC}Pq#0${ESC}\\${ESC}[1;32mok${ESC}[0m${ESC}[12;` |
|
|
| const stripped = stripAnsi(sample) |
|
|
| expect(stripped).toBe('link ok') |
| expect(stripped).not.toContain(ESC) |
| expect(stripped).not.toContain(BEL) |
| }) |
| }) |
|
|
| describe('sanitizeAnsiForRender', () => { |
| it('keeps SGR color spans but removes cursor controls for Ansi rendering', () => { |
| const sample = `A${ESC}[31mB${ESC}[39m${ESC}[2J${ESC}]0;title${BEL}${ESC}[?25lC` |
|
|
| expect(sanitizeAnsiForRender(sample)).toBe(`A${ESC}[31mB${ESC}[39mC`) |
| }) |
|
|
| it('keeps valid SGR while removing dangling CSI and carriage returns', () => { |
| const sample = `A${ESC}[31mB${ESC}[12;${ESC}[39mC\rD` |
|
|
| expect(sanitizeAnsiForRender(sample)).toBe(`A${ESC}[31mB${ESC}[39mCD`) |
| }) |
| }) |
|
|
| describe('hasAnsi', () => { |
| it('detects non-CSI escape prefixes too', () => { |
| expect(hasAnsi(`ok${ESC}Ppayload${ESC}\\`)).toBe(true) |
| expect(hasAnsi('plain')).toBe(false) |
| }) |
| }) |
|
|
