70 lines
2.8 KiB
JavaScript
70 lines
2.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.toBeDisabled = toBeDisabled;
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exports.toBeEnabled = toBeEnabled;
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var _utils = require("./utils");
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// form elements that support 'disabled'
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const FORM_TAGS = ['fieldset', 'input', 'select', 'optgroup', 'option', 'button', 'textarea'];
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/*
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* According to specification:
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* If <fieldset> is disabled, the form controls that are its descendants,
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* except descendants of its first optional <legend> element, are disabled
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*
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* https://html.spec.whatwg.org/multipage/form-elements.html#concept-fieldset-disabled
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*
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* This method tests whether element is first legend child of fieldset parent
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*/
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function isFirstLegendChildOfFieldset(element, parent) {
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return (0, _utils.getTag)(element) === 'legend' && (0, _utils.getTag)(parent) === 'fieldset' && element.isSameNode(Array.from(parent.children).find(child => (0, _utils.getTag)(child) === 'legend'));
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}
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function isElementDisabledByParent(element, parent) {
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return isElementDisabled(parent) && !isFirstLegendChildOfFieldset(element, parent);
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}
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function isCustomElement(tag) {
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return tag.includes('-');
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}
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/*
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* Only certain form elements and custom elements can actually be disabled:
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* https://html.spec.whatwg.org/multipage/semantics-other.html#disabled-elements
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*/
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function canElementBeDisabled(element) {
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const tag = (0, _utils.getTag)(element);
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return FORM_TAGS.includes(tag) || isCustomElement(tag);
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}
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function isElementDisabled(element) {
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return canElementBeDisabled(element) && element.hasAttribute('disabled');
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}
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function isAncestorDisabled(element) {
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const parent = element.parentElement;
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return Boolean(parent) && (isElementDisabledByParent(element, parent) || isAncestorDisabled(parent));
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}
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function isElementOrAncestorDisabled(element) {
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return canElementBeDisabled(element) && (isElementDisabled(element) || isAncestorDisabled(element));
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}
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function toBeDisabled(element) {
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(0, _utils.checkHtmlElement)(element, toBeDisabled, this);
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const isDisabled = isElementOrAncestorDisabled(element);
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return {
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pass: isDisabled,
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message: () => {
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const is = isDisabled ? 'is' : 'is not';
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return [this.utils.matcherHint(`${this.isNot ? '.not' : ''}.toBeDisabled`, 'element', ''), '', `Received element ${is} disabled:`, ` ${this.utils.printReceived(element.cloneNode(false))}`].join('\n');
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}
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};
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}
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function toBeEnabled(element) {
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(0, _utils.checkHtmlElement)(element, toBeEnabled, this);
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const isEnabled = !isElementOrAncestorDisabled(element);
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return {
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pass: isEnabled,
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message: () => {
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const is = isEnabled ? 'is' : 'is not';
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return [this.utils.matcherHint(`${this.isNot ? '.not' : ''}.toBeEnabled`, 'element', ''), '', `Received element ${is} enabled:`, ` ${this.utils.printReceived(element.cloneNode(false))}`].join('\n');
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}
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};
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} |