/** * Create a range error with the message: * 'Index out of range (index < min)' * 'Index out of range (index < max)' * * @param {number} index The actual index * @param {number} [min=0] Minimum index (included) * @param {number} [max] Maximum index (excluded) * @extends RangeError */ export function IndexError(index, min, max) { if (!(this instanceof IndexError)) { throw new SyntaxError('Constructor must be called with the new operator'); } this.index = index; if (arguments.length < 3) { this.min = 0; this.max = min; } else { this.min = min; this.max = max; } if (this.min !== undefined && this.index < this.min) { this.message = 'Index out of range (' + this.index + ' < ' + this.min + ')'; } else if (this.max !== undefined && this.index >= this.max) { this.message = 'Index out of range (' + this.index + ' > ' + (this.max - 1) + ')'; } else { this.message = 'Index out of range (' + this.index + ')'; } this.stack = new Error().stack; } IndexError.prototype = new RangeError(); IndexError.prototype.constructor = RangeError; IndexError.prototype.name = 'IndexError'; IndexError.prototype.isIndexError = true;