@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 { decodeHashFromBase64 } from '@holochain/client';
export async function postMessage(request) {
    return new Promise((resolve, reject) => {
        const channel = new MessageChannel();
        const lowercaseB64IdWithPercent = window.location.href.split('#')[1];
        const lowercaseB64Id = lowercaseB64IdWithPercent.replace(/%24/g, '$');
        const appletHash = decodeHashFromBase64(toOriginalCaseB64(lowercaseB64Id));
        const message = {
            request,
            appletHash,
        };
        // 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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