35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
JavaScript
export default {
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toHaveSpriteIcon: () => ({
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compare(element, iconName) {
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if (!iconName) {
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throw new Error('toHaveSpriteIcon is missing iconName argument!');
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}
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if (!(element instanceof HTMLElement)) {
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throw new Error(`${element} is not a DOM element!`);
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}
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const iconReferences = [].slice.apply(element.querySelectorAll('svg use'));
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const matchingIcon = iconReferences.find(reference => reference.getAttribute('xlink:href').endsWith(`#${iconName}`));
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const result = {
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pass: !!matchingIcon,
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};
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if (result.pass) {
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result.message = `${element.outerHTML} contains the sprite icon "${iconName}"!`;
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} else {
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result.message = `${element.outerHTML} does not contain the sprite icon "${iconName}"!`;
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const existingIcons = iconReferences.map((reference) => {
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const iconUrl = reference.getAttribute('xlink:href');
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return `"${iconUrl.replace(/^.+#/, '')}"`;
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});
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if (existingIcons.length > 0) {
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result.message += ` (only found ${existingIcons.join(',')})`;
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}
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}
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return result;
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},
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}),
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};
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