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import { memoize } from 'lodash';
import axios from '~/lib/utils/axios_utils';
/**
* Resolves to a DOM that contains GitLab icons
* in svg format. Memoized to avoid duplicate requests
*/
const getSvgDom = memoize(() =>
axios
.get(gon.sprite_icons)
.then(({ data: svgs }) => new DOMParser().parseFromString(svgs, 'text/xml'))
.catch((e) => {
getSvgDom.cache.clear();
throw e;
}),
);
/**
* Clears the memoized SVG content.
*
* You probably don't need to invoke this function unless
* sprite_icons are updated.
*/
export const clearSvgIconPathContentCache = () => {
getSvgDom.cache.clear();
};
/**
* Retrieve SVG icon path content from gitlab/svg sprite icons.
*
* Content loaded is cached.
*
* @param {String} name - Icon name
* @returns A promise that resolves to the svg path
*/
export const getSvgIconPathContent = (name) =>
getSvgDom()
.then((doc) => {
return doc.querySelector(`#${name} path`).getAttribute('d');
})
.catch(() => null);
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