@voiceflow/common/build/esm/utils/functional.js

Junk drawer of utility functions

export const isFunction = (value) => typeof value === 'function';
export const compose = (...transforms) => (value) => {
    if (transforms.length === 1) {
        return transforms[0](value);
    }
    if (transforms.length === 2) {
        return transforms[0](transforms[1](value));
    }
    return transforms.reduceRight((acc, transform) => transform(acc), value);
};
export const noop = () => undefined;
export const identity = (value) => value;
export const stringify = (value) => (typeof value === 'string' ? value : String(value));
export const chain = (...fns) => (...args) => {
    // perf optimization, most of the time we have one or two functions
    if (fns.length === 1) {
        fns[0]?.(...args);
    }
    else if (fns.length === 2) {
        fns[0]?.(...args);
        fns[1]?.(...args);
    }
    else {
        fns.forEach((fn) => fn?.(...args));
    }
};
export const chainVoid = (...fns) => () => chain(...fns)();
export const chainAsync = (...fns) => async (...args) => {
    // perf optimization, most of the time we have one or two functions
    if (fns.length === 1) {
        await fns[0]?.(...args);
    }
    else if (fns.length === 2) {
        await fns[0]?.(...args);
        await fns[1]?.(...args);
    }
    else {
        for (const fn of fns) {
            // eslint-disable-next-line no-await-in-loop
            await fn?.(...args);
        }
    }
};
export const chainVoidAsync = (...fns) => () => chainAsync(...fns)();
export const withEffect = (callback) => (value) => {
    callback(value);
    return value;
};