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14 lines
502 B
JavaScript
14 lines
502 B
JavaScript
"use strict";
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const ValidationError = require("@validatem/error");
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// FIXME: Note in README that this module DOES NOT enforce any particular type, due to `.length` being a de facto standard of sorts
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module.exports = function createHasLengthOfValidator(expectedLength) {
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return function hasLengthOf(value) {
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if (value.length == null || value.length !== expectedLength) {
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throw new ValidationError(`Must have a length of exactly ${expectedLength}; actual length was ${value.length}`);
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}
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}
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};
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