string-similarity-coloring/mdist/ColorSet.js

Color a given set of N strings into a set of M<N color classes

/*
 * Copyright 2021 IBM
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function isHSL(o) {
    const hsl = o;
    return hsl &&
        typeof hsl.hue === 'string' &&
        typeof hsl.saturation === 'string' &&
        typeof hsl.lightness === 'string';
}
function isColor(o) {
    return isHSL(o);
}
export function isColorSet(o) {
    return Array.isArray(o) && o.length > 0 && Array.isArray(o[0]) && isColor(o[0][0]);
}
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