unleash-server/dist/lib/util/load-index-html.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

import fs from 'fs';
import { rewriteHTML } from './rewriteHTML.js';
import path from 'path';
import ky from 'ky';
export async function loadIndexHTML(config, publicFolder) {
    const { cdnPrefix, baseUriPath = '' } = config.server;
    const uiFlags = encodeURI(JSON.stringify(config.ui.flags || '{}'));
    const unleashToken = config.unleashFrontendToken;
    let indexHTML;
    if (cdnPrefix) {
        const res = await ky.get(`${cdnPrefix}/index.html`);
        indexHTML = await res.text();
    }
    else {
        indexHTML = fs
            .readFileSync(path.join(config.publicFolder || publicFolder, 'index.html'))
            .toString();
    }
    return rewriteHTML(indexHTML, baseUriPath, cdnPrefix, uiFlags, unleashToken);
}
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