Function getCallbackByOutput

dash/dash-renderer/src/actions/dependencies.js:1106–1140

(graphs, paths, id, prop)

 * }
 */
function getCallbackByOutput(graphs, paths, id, prop) {
    let resolve;
    let callback;
    let anyVals = '';
    if (typeof id === 'string') {
        // standard id version
        const callbacks = (graphs.outputMap[id] || {})[prop];
        if (callbacks) {
            callback = callbacks[0];
            resolve = resolveDeps();
        }
    } else {
        // wildcard version
        const keys = Object.keys(id).sort();
        const vals = props(keys, id);
        const keyStr = keys.join(',');
        const patterns = (graphs.outputPatterns[keyStr] || {})[prop];
        if (patterns) {
            for (let i = 0; i < patterns.length; i++) {
                const patternVals = patterns[i].values;
                if (idMatch(keys, vals, patternVals)) {
                    callback = patterns[i].callbacks[0];
                    resolve = resolveDeps(keys, vals, patternVals);
                    anyVals = getAnyVals(patternVals, vals);
                    break;
                }
            }
        }
    }
    if (!resolve) {
        return false;
    }

    return makeResolvedCallback(callback, resolve, anyVals);
}

function addResolvedFromOutputs(callback, outPattern, outs, matches) {
    const out0Keys = Object.keys(outPattern.id).sort();