oppi.li
source dump of claude code
1import type { RGBColor as RGBColorString } from '../../ink/styles.js'
2import type { RGBColor as RGBColorType } from './types.js'
3
4export function getDefaultCharacters(): string[] {
5 if (process.env.TERM === 'xterm-ghostty') {
6 return ['·', '✢', '✳', '✶', '✻', '*'] // Use * instead of ✽ for Ghostty because the latter renders in a way that's slightly offset
7 }
8 return process.platform === 'darwin'
9 ? ['·', '✢', '✳', '✶', '✻', '✽']
10 : ['·', '✢', '*', '✶', '✻', '✽']
11}
12
13// Interpolate between two RGB colors
14export function interpolateColor(
15 color1: RGBColorType,
16 color2: RGBColorType,
17 t: number, // 0 to 1
18): RGBColorType {
19 return {
20 r: Math.round(color1.r + (color2.r - color1.r) * t),
21 g: Math.round(color1.g + (color2.g - color1.g) * t),
22 b: Math.round(color1.b + (color2.b - color1.b) * t),
23 }
24}
25
26// Convert RGB object to rgb() color string for Text component
27export function toRGBColor(color: RGBColorType): RGBColorString {
28 return `rgb(${color.r},${color.g},${color.b})`
29}
30
31// HSL hue (0-360) to RGB, using voice-mode waveform parameters (s=0.7, l=0.6).
32export function hueToRgb(hue: number): RGBColorType {
33 const h = ((hue % 360) + 360) % 360
34 const s = 0.7
35 const l = 0.6
36 const c = (1 - Math.abs(2 * l - 1)) * s
37 const x = c * (1 - Math.abs(((h / 60) % 2) - 1))
38 const m = l - c / 2
39 let r = 0
40 let g = 0
41 let b = 0
42 if (h < 60) {
43 r = c
44 g = x
45 } else if (h < 120) {
46 r = x
47 g = c
48 } else if (h < 180) {
49 g = c
50 b = x
51 } else if (h < 240) {
52 g = x
53 b = c
54 } else if (h < 300) {
55 r = x
56 b = c
57 } else {
58 r = c
59 b = x
60 }
61 return {
62 r: Math.round((r + m) * 255),
63 g: Math.round((g + m) * 255),
64 b: Math.round((b + m) * 255),
65 }
66}
67
68const RGB_CACHE = new Map<string, RGBColorType | null>()
69
70export function parseRGB(colorStr: string): RGBColorType | null {
71 const cached = RGB_CACHE.get(colorStr)
72 if (cached !== undefined) return cached
73
74 const match = colorStr.match(/rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/)
75 const result = match
76 ? {
77 r: parseInt(match[1]!, 10),
78 g: parseInt(match[2]!, 10),
79 b: parseInt(match[3]!, 10),
80 }
81 : null
82 RGB_CACHE.set(colorStr, result)
83 return result
84}