@electrovir/color/dist/color-name-length.js

A wrapper for culori with an extremely simple API.

import { check } from '@augment-vir/assert';
import { filterMap, filterObject, mapObjectValues } from '@augment-vir/common';
import colorNames from 'color-name';
/**
 * The longest CSS color name. Used for color name padding calculations.
 *
 * @category Internal
 */
export const longestColorName = Object.keys(colorNames).reduce((longest, current) => {
    if (current.length > longest.length) {
        return current;
    }
    else {
        return longest;
    }
});
/**
 * All CSS color names with identical value matches to other CSS color names. Used for color name
 * padding calculations.
 *
 * @category Internal
 */
export const identicalColorNames = filterObject(mapObjectValues(colorNames, (colorName, rgbValues) => {
    const matches = filterMap(Object.entries(colorNames), ([colorName]) => colorName, (innerColorName, [, innerRgbValues,]) => {
        if (innerColorName === colorName) {
            return false;
        }
        return check.deepEquals(innerRgbValues, rgbValues);
    });
    return matches;
}), (colorName, matches) => !!matches.length);
/**
 * The longest collection of CSS color names with identical values. Used for color name padding
 * calculations.
 *
 * @category Internal
 */
export const longestIdenticalColorNames = Object.entries(identicalColorNames)
    .reduce((longest, current) => {
    const longestString = [
        longest[0],
        ...longest[1],
    ].join(', ');
    const currentString = [
        current[0],
        ...current[1],
    ].join(', ');
    if (currentString.length > longestString.length) {
        return current;
    }
    else {
        return longest;
    }
})
    .reduce((combined, current) => {
    if (check.isArray(current)) {
        return [
            ...combined,
            ...current,
        ];
    }
    else {
        return [
            ...combined,
            current,
        ];
    }
}, []);
/**
 * The maximum length that a single-value collection of matching CSS color names can be (when joined
 * with `', '`). Used for color name padding calculations.
 *
 * @category Internal
 */
export const maxColorNameLength = Math.max(longestColorName.length, longestIdenticalColorNames.length + (longestIdenticalColorNames.length - 1) * ', '.length);