expo/build/takeSnapshotAsync/ProcessSources.web.js

import { isDataUrl, getMimeTypeFromSource, getEscapedString, resolveUrl, getSourceAndEncodeAsync, formatDataAsUrl, } from './Utils.web';
const URL_REGEX = /url\(['"]?([^'"]+?)['"]?\)/g;
export function shouldProcess(string) {
    if (!string.search) {
        return false;
    }
    return string.search(URL_REGEX) !== -1;
}
export async function batchProcessAllSourcesAsync(string, baseUrl, get) {
    if (!shouldProcess(string)) {
        return string;
    }
    const urls = readURLs(string);
    let done = Promise.resolve(string);
    for (const url of urls) {
        done = done.then(string => processURLAsync(string, url, baseUrl, get));
    }
    return done;
}
function readURLs(urls) {
    const result = [];
    let match;
    while ((match = URL_REGEX.exec(urls)) !== null) {
        result.push(match[1]);
    }
    return result.filter(url => !isDataUrl(url));
}
async function processURLAsync(string, url, baseUrl = undefined, getSourceAsync = getSourceAndEncodeAsync) {
    const finalURL = baseUrl ? resolveUrl(url, baseUrl) : url;
    const data = await getSourceAsync(finalURL);
    const dataUrl = formatDataAsUrl(data, getMimeTypeFromSource(url));
    return string.replace(URLAsRegex(url), `$1${dataUrl}$3`);
}
function URLAsRegex(url) {
    return new RegExp(`(url\\(['"]?)(${getEscapedString(url)})(['"]?\\))`, 'g');
}
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