happy-dom/lib/css/CSSUnitValue.js

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

import CSSUnits from './CSSUnits.js';
/**
 * CSS unit value.
 */
export default class CSSUnitValue {
    unit = null;
    value = null;
    /**
     * Constructor.
     *
     * @param value Value.
     * @param unit Unit.
     */
    constructor(value, unit) {
        if (typeof value !== 'number') {
            throw new TypeError('The provided double value is non-finite');
        }
        if (!CSSUnits.includes(unit)) {
            throw new TypeError('Invalid unit: ' + unit);
        }
        this.value = value;
        this.unit = unit;
    }
}
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