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19 lines
490 B
JavaScript
19 lines
490 B
JavaScript
"use strict";
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const ValidationError = require("@validatem/error");
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const util = require("util");
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module.exports = function (validValues) {
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if (Array.isArray(validValues)) {
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let validValueSet = new Set(validValues);
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return function (value) {
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if (!validValueSet.has(value)) {
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throw new ValidationError(`Must be one of: ${validValues.map((item) => util.inspect(item)).join(", ")}`);
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}
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};
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} else {
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throw new Error("Argument to `oneOf` must be an array of values");
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}
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};
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