svg-color-linter/lib/core/suggestions.js

Linting tool to check if SVG files use only colors of a given color palette

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSuggestions = void 0;
const chroma_js_1 = require("chroma-js");
const utils_1 = require("./utils");
const getSuggestions = (color, palette) => {
    if (!(0, utils_1.isValidColor)(color)) {
        throw new Error(`The given color "${color}" is not valid!`);
    }
    color = (0, utils_1.toHexColor)(color);
    const distances = palette
        .map((paletteColor) => ({
        distance: (0, chroma_js_1.deltaE)(paletteColor, color),
        color: paletteColor,
    }))
        .sort((a, b) => a.distance - b.distance);
    const suggestedColors = [];
    // pick five colors with the lowest distance to the input color
    distances.slice(0, 5).forEach((distance) => {
        const suggestedColor = distance.color;
        suggestedColors.push({
            hex: suggestedColor,
            distance: distance.distance,
        });
    });
    return suggestedColors;
};
exports.getSuggestions = getSuggestions;