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Diffstat (limited to 'FrontEnd/src/palette.ts')
-rw-r--r-- | FrontEnd/src/palette.ts | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/FrontEnd/src/palette.ts b/FrontEnd/src/palette.ts deleted file mode 100644 index d06f9b19..00000000 --- a/FrontEnd/src/palette.ts +++ /dev/null @@ -1,167 +0,0 @@ -import Color from "color"; -import { BehaviorSubject, Observable } from "rxjs"; - -import refreshAnimation from "./utilities/refreshAnimation"; - -function lightenBy(color: Color, ratio: number): Color { - const lightness = color.lightness(); - return color.lightness(lightness + (100 - lightness) * ratio); -} - -function darkenBy(color: Color, ratio: number): Color { - const lightness = color.lightness(); - return color.lightness(lightness - lightness * ratio); -} - -export interface PaletteColor { - color: string; - l1: string; - l2: string; - l3: string; - d1: string; - d2: string; - d3: string; - f1: string; - f2: string; - f3: string; - r1: string; - r2: string; - r3: string; - t: string; - t1: string; - t2: string; - t3: string; - [key: string]: string; -} - -const paletteColorList = [ - "primary", - "primary-enhance", - "secondary", - "danger", - "success", -] as const; - -export type PaletteColorType = (typeof paletteColorList)[number]; - -export type Palette = Record<PaletteColorType, PaletteColor>; - -export function generatePaletteColor(color: string): PaletteColor { - const c = Color(color); - const light = c.lightness() > 60; - const l1 = lightenBy(c, 0.1).rgb().toString(); - const l2 = lightenBy(c, 0.2).rgb().toString(); - const l3 = lightenBy(c, 0.3).rgb().toString(); - const d1 = darkenBy(c, 0.1).rgb().toString(); - const d2 = darkenBy(c, 0.2).rgb().toString(); - const d3 = darkenBy(c, 0.3).rgb().toString(); - const f1 = light ? l1 : d1; - const f2 = light ? l2 : d2; - const f3 = light ? l3 : d3; - const r1 = light ? d1 : l1; - const r2 = light ? d2 : l2; - const r3 = light ? d3 : l3; - const _t = light ? Color("black") : Color("white"); - const t = _t.rgb().toString(); - const _b = light ? lightenBy : darkenBy; - const t1 = _b(_t, 0.1).rgb().toString(); - const t2 = _b(_t, 0.2).rgb().toString(); - const t3 = _b(_t, 0.3).rgb().toString(); - - return { - color: c.rgb().toString(), - l1, - l2, - l3, - d1, - d2, - d3, - f1, - f2, - f3, - r1, - r2, - r3, - t, - t1, - t2, - t3, - }; -} - -export function generatePalette(options: { - primary: string; - primaryEnhance?: string; - secondary?: string; -}): Palette { - const { primary, primaryEnhance, secondary } = options; - const p = Color(primary); - const pe = - primaryEnhance == null - ? lightenBy(p, 0.3).saturate(0.3) - : Color(primaryEnhance); - const s = secondary == null ? Color("gray") : Color(secondary); - - return { - primary: generatePaletteColor(p.toString()), - "primary-enhance": generatePaletteColor(pe.toString()), - secondary: generatePaletteColor(s.toString()), - danger: generatePaletteColor("red"), - success: generatePaletteColor("green"), - }; -} - -export function generatePaletteCSS(palette: Palette): string { - const colors: [string, string][] = []; - for (const colorType of paletteColorList) { - const paletteColor = palette[colorType]; - for (const variant in paletteColor) { - let key = `--cru-${colorType}`; - if (variant !== "color") key += `-${variant}`; - key += "-color"; - colors.push([key, paletteColor[variant]]); - } - } - - return `:root {${colors - .map(([key, color]) => `${key} : ${color};`) - .join("")}}`; -} - -const paletteSubject: BehaviorSubject<Palette | null> = - new BehaviorSubject<Palette | null>( - generatePalette({ primary: "rgb(0, 123, 255)" }) - ); - -export const palette$: Observable<Palette | null> = - paletteSubject.asObservable(); - -palette$.subscribe((palette) => { - const styleTagId = "timeline-palette-css"; - if (palette != null) { - let styleTag = document.getElementById(styleTagId); - if (styleTag == null) { - styleTag = document.createElement("style"); - styleTag.id = styleTagId; - document.head.append(styleTag); - } - styleTag.innerHTML = generatePaletteCSS(palette); - } else { - const styleTag = document.getElementById(styleTagId); - if (styleTag != null) { - styleTag.parentElement?.removeChild(styleTag); - } - } - - refreshAnimation(); -}); - -export function setPalette(palette: Palette): () => void { - const old = paletteSubject.value; - - paletteSubject.next(palette); - - return () => { - paletteSubject.next(old); - }; -} |