const NEW_LINES_REGEXP = /[\n\r]/gm;
/**
 * HTML input element value sanitizer.
 */
export default class HTMLInputElementValueSanitizer {
    /**
     * Sanitizes a value.
     *
     * @param input Input.
     * @param value Value.
     */
    static sanitize(input, value) {
        switch (input.type) {
            case 'password':
            case 'search':
            case 'tel':
            case 'text':
                return value.replace(NEW_LINES_REGEXP, '');
            case 'color':
                // https://html.spec.whatwg.org/multipage/forms.html#color-state-(type=color):value-sanitization-algorithm
                return /^#[a-fA-F\d]{6}$/.test(value) ? value.toLowerCase() : '#000000';
            case 'email':
                // https://html.spec.whatwg.org/multipage/forms.html#e-mail-state-(type=email):value-sanitization-algorithm
                // https://html.spec.whatwg.org/multipage/forms.html#e-mail-state-(type=email):value-sanitization-algorithm-2
                if (input.multiple) {
                    return value
                        .split(',')
                        .map((token) => token.trim())
                        .join(',');
                }
                return value.trim().replace(NEW_LINES_REGEXP, '');
            case 'number':
                // https://html.spec.whatwg.org/multipage/input.html#number-state-(type=number):value-sanitization-algorithm
                return !isNaN(Number.parseFloat(value)) ? value : '';
            case 'range':
                // https://html.spec.whatwg.org/multipage/input.html#range-state-(type=range):value-sanitization-algorithm
                const number = Number.parseFloat(value);
                const min = parseFloat(input.min) || 0;
                const max = parseFloat(input.max) || 100;
                if (isNaN(number)) {
                    return max < min ? String(min) : String((min + max) / 2);
                }
                else if (number < min) {
                    return String(min);
                }
                else if (number > max) {
                    return String(max);
                }
                return value;
            case 'url':
                // https://html.spec.whatwg.org/multipage/forms.html#url-state-(type=url):value-sanitization-algorithm
                return value.trim().replace(NEW_LINES_REGEXP, '');
        }
        return value;
    }
}
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