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import { getSheet } from './get-sheet';/** * Extracts and wipes the cache * @returns {String} */export let extractCss = (target) => {    let sheet = getSheet(target);    let out = sheet.data;    sheet.data = '';    return out;};
/** * Updates the target and keeps a local cache * @param {String} css * @param {Object} sheet * @param {Boolean} append */export let update = (css, sheet, append) => {    sheet.data.indexOf(css) == -1 && (sheet.data = append ? css + sheet.data : sheet.data + css);};