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105 lines
2.6 KiB
JavaScript
105 lines
2.6 KiB
JavaScript
import {variants, labels} from '@catppuccin/palette'
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import ColorContrastChecker from "color-contrast-checker"
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import chalk from "chalk"
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var ccc = new ColorContrastChecker();
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const FONT_SIZE = 15
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const LATTE_CONTRAST_RATIO = 2.314159265359
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function write(msg) {
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process.stdout.write(msg)
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}
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function get_tabs(str) {
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if (str.length > 6) {
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return '\t'
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}
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return '\t\t'
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}
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function get_rgb(c) {
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return parseInt(c, 16) || c
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}
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function gets_rgb(c) {
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return get_rgb(c) / 255 <= 0.03928
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? get_rgb(c) / 255 / 12.92
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: Math.pow((get_rgb(c) / 255 + 0.055) / 1.055, 2.4)
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}
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function get_luminance(hexColor) {
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return (
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0.2126 * gets_rgb(hexColor.substr(1, 2)) +
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0.7152 * gets_rgb(hexColor.substr(3, 2)) +
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0.0722 * gets_rgb(hexColor.substr(-2))
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)
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}
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function get_contrast(f, b) {
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const L1 = get_luminance(f)
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const L2 = get_luminance(b)
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return (Math.max(L1, L2) + 0.05) / (Math.min(L1, L2) + 0.05)
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}
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function get_text_color(bg_color, preferred_white, preffered_black) {
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let white = preferred_white ? preferred_white : '#ffffff'
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let black = preffered_black ? preffered_black : '#000000'
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const whiteContrast = get_contrast(bg_color, white)
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const blackContrast = get_contrast(bg_color, black)
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return whiteContrast > blackContrast ? white : black
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}
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function print_color(text, background, preferred_white, preffered_black) {
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write(
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chalk.bgHex(background)(
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chalk.hex(
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get_text_color(background, preferred_white, preffered_black)
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)(text)
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)
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)
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}
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function good_contrast(base, label_color, custom_ratio) {
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let good_contrast_ratio = ccc.isLevelAA(base, label_color, FONT_SIZE)
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if (custom_ratio) {
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good_contrast_ratio = ccc.isLevelCustom(base, label_color, custom_ratio)
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}
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if (good_contrast_ratio) {
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return "✅"
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} else {
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return "❌"
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}
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}
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function get_symbol_space(str) {
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if (str.length < 8) {
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return '\t' + ' '.repeat(2)
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} else if (str.length == 8) {
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return ' '
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}
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return ' '
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}
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write(chalk.hex('#fff')('|Latte|\t\t|Frappe|\t|Macchiato|\t|Moccha|\n\n'))
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for (let label in labels) {
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for (let palette in variants) {
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let label_color = variants[palette][label]["hex"]
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let base = variants[palette]["base"]["hex"]
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var symbol_space = get_symbol_space(label)
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let good_contrast_ratio = good_contrast(base, label_color)
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if (palette == "latte") {
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good_contrast_ratio = good_contrast(base, label_color, LATTE_CONTRAST_RATIO)
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}
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print_color(label, base, label_color, label_color)
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write(symbol_space + good_contrast_ratio + "\t")
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}
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console.log('')
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}
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