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90 lines
2.2 KiB
JavaScript

7 months ago
'use strict';
// This file is a proxy of the original file located at:
// https://github.com/nodejs/node/blob/main/lib/internal/validators.js
// Every addition or modification to this file must be evaluated
// during the PR review.
const {
ArrayIsArray,
ArrayPrototypeIncludes,
ArrayPrototypeJoin,
} = require('./primordials');
const {
codes: {
ERR_INVALID_ARG_TYPE
}
} = require('./errors');
function validateString(value, name) {
if (typeof value !== 'string') {
throw new ERR_INVALID_ARG_TYPE(name, 'String', value);
}
}
function validateUnion(value, name, union) {
if (!ArrayPrototypeIncludes(union, value)) {
throw new ERR_INVALID_ARG_TYPE(name, `('${ArrayPrototypeJoin(union, '|')}')`, value);
}
}
function validateBoolean(value, name) {
if (typeof value !== 'boolean') {
throw new ERR_INVALID_ARG_TYPE(name, 'Boolean', value);
}
}
function validateArray(value, name) {
if (!ArrayIsArray(value)) {
throw new ERR_INVALID_ARG_TYPE(name, 'Array', value);
}
}
function validateStringArray(value, name) {
validateArray(value, name);
for (let i = 0; i < value.length; i++) {
validateString(value[i], `${name}[${i}]`);
}
}
function validateBooleanArray(value, name) {
validateArray(value, name);
for (let i = 0; i < value.length; i++) {
validateBoolean(value[i], `${name}[${i}]`);
}
}
/**
* @param {unknown} value
* @param {string} name
* @param {{
* allowArray?: boolean,
* allowFunction?: boolean,
* nullable?: boolean
* }} [options]
*/
function validateObject(value, name, options) {
const useDefaultOptions = options == null;
const allowArray = useDefaultOptions ? false : options.allowArray;
const allowFunction = useDefaultOptions ? false : options.allowFunction;
const nullable = useDefaultOptions ? false : options.nullable;
if ((!nullable && value === null) ||
(!allowArray && ArrayIsArray(value)) ||
(typeof value !== 'object' && (
!allowFunction || typeof value !== 'function'
))) {
throw new ERR_INVALID_ARG_TYPE(name, 'Object', value);
}
}
module.exports = {
validateArray,
validateObject,
validateString,
validateStringArray,
validateUnion,
validateBoolean,
validateBooleanArray,
};