@tokens-studio/graph-engine/dist/nodes/color/deltaE.js

An execution engine to handle Token Studios generators and resolvers

import { Black, White, toColor } from './lib/utils.js';
import { ColorSchema, NumberSchema, StringSchema } from '../../schemas/index.js';
import { Node } from '../../programmatic/node.js';
import { setToPrecision } from '../../utils/precision.js';
export const algorithms = ['76', 'CMC', '2000', 'Jz', 'ITP', 'OK'];
export default class NodeDefinition extends Node {
    static title = 'Delta E (ΔE)';
    static type = 'studio.tokens.color.deltaE';
    static description = 'Delta E node allows you to calculate the distance between two colors.';
    constructor(props) {
        super(props);
        this.addInput('colorA', {
            type: {
                ...ColorSchema,
                default: White
            }
        });
        this.addInput('colorB', {
            type: {
                ...ColorSchema,
                default: Black
            }
        });
        this.addInput('precision', {
            type: {
                ...NumberSchema,
                default: 4
            }
        });
        this.addInput('algorithm', {
            type: {
                ...StringSchema,
                enum: algorithms,
                default: '2000'
            }
        });
        this.addOutput('value', {
            type: NumberSchema
        });
    }
    execute() {
        const { colorA, colorB, algorithm, precision } = this.getAllInputs();
        const a = toColor(colorA);
        const b = toColor(colorB);
        const distance = a.deltaE(b, algorithm);
        this.outputs.value.set(setToPrecision(distance, precision));
    }
}
//# sourceMappingURL=deltaE.js.map