90 lines
1.9 KiB
TypeScript
90 lines
1.9 KiB
TypeScript
import * as validator from 'validator'
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import { sep } from 'path'
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function exists (value: any) {
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return value !== undefined && value !== null
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}
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function isSafePath (p: string) {
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return exists(p) &&
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(p + '').split(sep).every(part => {
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return [ '..' ].includes(part) === false
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})
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}
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function isArray (value: any) {
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return Array.isArray(value)
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}
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function isNotEmptyIntArray (value: any) {
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return Array.isArray(value) && value.every(v => validator.isInt('' + v)) && value.length !== 0
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}
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function isArrayOf (value: any, validator: (value: any) => boolean) {
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return isArray(value) && value.every(v => validator(v))
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}
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function isDateValid (value: string) {
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return exists(value) && validator.isISO8601(value)
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}
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function isIdValid (value: string) {
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return exists(value) && validator.isInt('' + value)
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}
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function isUUIDValid (value: string) {
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return exists(value) && validator.isUUID('' + value, 4)
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}
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function isIdOrUUIDValid (value: string) {
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return isIdValid(value) || isUUIDValid(value)
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}
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function isBooleanValid (value: any) {
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return typeof value === 'boolean' || (typeof value === 'string' && validator.isBoolean(value))
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}
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function toIntOrNull (value: string) {
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if (value === 'null') return null
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return validator.toInt(value)
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}
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function toValueOrNull (value: string) {
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if (value === 'null') return null
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return value
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}
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function toArray (value: any) {
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if (value && isArray(value) === false) return [ value ]
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return value
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}
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function toIntArray (value: any) {
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if (!value) return []
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if (isArray(value) === false) return [ validator.toInt(value) ]
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return value.map(v => validator.toInt(v))
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}
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// ---------------------------------------------------------------------------
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export {
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exists,
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isArrayOf,
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isNotEmptyIntArray,
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isArray,
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isIdValid,
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isSafePath,
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isUUIDValid,
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isIdOrUUIDValid,
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isDateValid,
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toValueOrNull,
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isBooleanValid,
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toIntOrNull,
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toArray,
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toIntArray
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}
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