shelving/util/callback.js

Toolkit for using data in JavaScript.

import { isAsync } from "./async.js";
import { logError } from "./error.js";
/** Safely call a callback function (possibly with a value). */
export function call(callback, ...values) {
    try {
        const result = callback(...values);
        if (isAsync(result))
            result.then(undefined, logError);
    }
    catch (thrown) {
        logError(thrown);
    }
}
/** Return a callback function that safely calls a callback function (possibly with a value). */
export function called(dispatcher, ...values) {
    return () => call(dispatcher, ...values);
}
/** Safely call a callback method (possibly wth a value). */
export function callMethod(obj, key, ...values) {
    try {
        const result = obj[key]?.(...values);
        if (isAsync(result))
            result.then(undefined, logError);
    }
    catch (thrown) {
        logError(thrown);
    }
}