rwlockfile/lib/errors.js

lockfile utility with reader/writers

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class LockfileError extends Error {
    constructor({ msg, file, reason }) {
        super(msg || (reason ? `${reason}: ${file}` : `lock exists!: ${file}`));
        this.code = 'ELOCK';
        this.file = file;
        this.msg = msg;
        this.reason = reason;
    }
}
exports.LockfileError = LockfileError;
class RWLockfileError extends LockfileError {
    constructor(status) {
        switch (status.status) {
            case 'write_lock':
                super({ file: status.file, msg: `write lock exists: ${status.job.reason || ''}` });
                break;
            case 'read_lock':
                super({ file: status.file, msg: `read lock exists: ${status.jobs[0].reason || ''}` });
                break;
            default:
                throw new Error(`Unexpected status: ${status.status}`);
        }
        this.status = status;
    }
}
exports.RWLockfileError = RWLockfileError;