import HTMLElement from '../html-element/HTMLElement.js';
import HTMLLabelElementUtility from '../html-label-element/HTMLLabelElementUtility.js';
import * as PropertySymbol from '../../PropertySymbol.js';
/**
* HTMLProgressElement
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLProgressElement
*/
export default class HTMLProgressElement extends HTMLElement {
/**
* Returns max.
*
* @returns Max.
*/
get max() {
if (!this.hasAttribute('max')) {
return 1;
}
const parsedValue = parseFloat(this.getAttribute('max') || '');
if (isNaN(parsedValue) || parsedValue < 0) {
return 1;
}
return parsedValue;
}
/**
* Sets max.
*
* @param max Max.
*/
set max(max) {
max = typeof max !== 'number' ? Number(max) : max;
if (isNaN(max)) {
throw new this[PropertySymbol.window].TypeError("Failed to set the 'max' property on 'HTMLProgressElement': The provided double value is non-finite.");
}
this.setAttribute('max', max < 0 ? '1' : String(max));
}
/**
* Returns value.
*
* @returns Value.
*/
get value() {
if (!this.hasAttribute('value')) {
return 0;
}
const parsedValue = parseFloat(this.getAttribute('value') || '');
if (isNaN(parsedValue) || parsedValue < 0) {
return 0;
}
return parsedValue;
}
/**
* Sets value.
*
* @param value Value.
*/
set value(value) {
value = typeof value !== 'number' ? Number(value) : value;
if (isNaN(value)) {
throw new this[PropertySymbol.window].TypeError("Failed to set the 'value' property on 'HTMLProgressElement': The provided double value is non-finite.");
}
this.setAttribute('value', value < 0 ? '0' : String(value));
}
/**
* Returns position.
*
* @returns Position.
*/
get position() {
// If the progress bar is an indeterminate progress bar, it should return -1.
// It is considered indeterminate if the value attribute is not set.
// @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLProgressElement/position#value
if (!this.hasAttribute('value')) {
return -1;
}
return this.value / this.max;
}
/**
* Returns the associated label elements.
*
* @returns Label elements.
*/
get labels() {
return HTMLLabelElementUtility.getAssociatedLabelElements(this);
}
}
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