@bitty/insist/dist/insist.mjs

Insistently runs a callback and only resolves the promise when its result is truthy.

/**
 * Waits the received time in milliseconds.
 * @param time - The delay time in milliseconds.
 */
function wait(time) {
    return new Promise(function (resolve) { return setTimeout(resolve, time); });
}
/**
 * Runs condition asynchronously. Assumes `false` if condition throws an error.
 * @param condition - The condition function.
 */
function check(condition) {
    try {
        return Promise.resolve(condition()).catch(function () { return false; });
    }
    catch (_a) {
        return Promise.resolve(false);
    }
}
/**
 * Insists on a condition until it is satisfied. When the condition is not
 * satisfied there is a delay, defined in milliseconds, for it to be checked
 * again.
 * @example
 * ```js
 * insist(() => window.document.readyState === 'complete').then(() => {
 *   console.log('The DOM is ready!');
 * });
 * ```
 * @param condition - The condition function.
 * @param time - The delay time, in milliseconds, to execute condition again.
 */
function insist(condition, time) {
    if (time === void 0) { time = 200; }
    return check(condition).then(function (success) {
        if (success)
            return;
        return wait(time).then(function () { return insist(condition, time); });
    });
}

export { insist as default };
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