@theweave/api/dist/utils.js

This package contains the interfaces and contracts that a Holochain app UI needs to implement in order to run as a Tool in a Weave Frame like [Moss](theweave.social#tryit).

import { decode } from '@msgpack/msgpack';
import { toUint8Array } from 'js-base64';
/**
 * A postMessage function used in applet dev mode by initializeHotReload()
 *
 * @param request
 * @returns
 */
export async function postMessage(request) {
    return new Promise((resolve, reject) => {
        const channel = new MessageChannel();
        // In hot-reloading mode the applet UI is served on localhost and Moss
        // appends the encoded iframe kind to the localhost URL so that we can
        // read it here
        const encodedIframeKind = window.location.href.split('#')[1];
        const iframeKind = decode(toUint8Array(encodedIframeKind));
        const message = {
            request,
            source: iframeKind,
        };
        // eslint-disable-next-line no-restricted-globals
        top.postMessage(message, '*', [channel.port2]);
        channel.port1.onmessage = (m) => {
            if (m.data.type === 'success') {
                resolve(m.data.result);
            }
            else if (m.data.type === 'error') {
                reject(m.data.error);
            }
        };
    });
}
export function toOriginalCaseB64(input) {
    return input.replace(/[a-z]\$/g, (match) => match[0].toUpperCase());
}
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