@hazae41/piscine/dist/cjs/src/mods/loop/loop.cjs

Create async pools with automatic retry

'use strict';

var _a;
class TooManyRetriesError extends Error {
    #class = _a;
    name = this.#class.name;
    constructor(options) {
        super(`Too many retries`, options);
    }
    static from(cause) {
        return new _a({ cause });
    }
}
_a = TooManyRetriesError;
class Cancel {
    inner;
    constructor(inner) {
        this.inner = inner;
    }
    static new(inner) {
        return new Cancel(inner);
    }
    isCancel() {
        return true;
    }
    isRetry() {
        return false;
    }
    isSkip() {
        return false;
    }
}
class Retry {
    inner;
    constructor(inner) {
        this.inner = inner;
    }
    static new(inner) {
        return new Retry(inner);
    }
    isCancel() {
        return false;
    }
    isRetry() {
        return true;
    }
    isSkip() {
        return false;
    }
}
(function (Retry) {
    function runSync(f) {
        try {
            return f();
        }
        catch (error) {
            throw new Retry(error);
        }
    }
    Retry.runSync = runSync;
    async function run(f) {
        try {
            return await f();
        }
        catch (error) {
            throw new Retry(error);
        }
    }
    Retry.run = run;
})(Retry || (Retry = {}));
class Skip {
    inner;
    constructor(inner) {
        this.inner = inner;
    }
    static new(inner) {
        return new Skip(inner);
    }
    isCancel() {
        return false;
    }
    isRetry() {
        return false;
    }
    isSkip() {
        return true;
    }
}
(function (Skip) {
    function runSync(f) {
        try {
            return f();
        }
        catch (error) {
            throw new Skip(error);
        }
    }
    Skip.runSync = runSync;
    async function run(f) {
        try {
            return await f();
        }
        catch (error) {
            throw new Skip(error);
        }
    }
    Skip.run = run;
})(Skip || (Skip = {}));
async function loopOrThrow(looper, options = {}) {
    const { init = 1000, base = 2, max = 3 } = options;
    const errors = new Array();
    for (let i = 0; i < max; i++) {
        try {
            return await looper(i);
        }
        catch (error) {
            if (error instanceof Cancel)
                throw error.inner;
            if (error instanceof Skip) {
                errors.push(error);
                continue;
            }
            if (error instanceof Retry) {
                errors.push(error);
                await new Promise(ok => setTimeout(ok, init * (base ** i)));
                continue;
            }
            throw error;
        }
    }
    throw TooManyRetriesError.from(errors);
}

exports.Cancel = Cancel;
exports.Retry = Retry;
exports.Skip = Skip;
exports.TooManyRetriesError = TooManyRetriesError;
exports.loopOrThrow = loopOrThrow;
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