mirror of
https://code.equilibrium.co.ao/ITO/doneit-web.git
synced 2026-04-18 20:47:54 +00:00
Peter Maquiran
64 lines
2.2 KiB
TypeScript
64 lines
2.2 KiB
TypeScript
import { z } from 'zod';
|
|
|
|
/**
|
|
* Regular expression to validate a data URL.
|
|
* The pattern matches data URLs that start with `data:`, optionally followed by a media type,
|
|
* optionally followed by an encoding (e.g., `base64`), and ending with base64 encoded data.
|
|
*/
|
|
export const zodDataUrlRegex = /^data:(?:[\w+\/-]+)?(?:[\w+\/-]+)?;base64,[\s\S]*$/;
|
|
|
|
/**
|
|
* Zod schema for validating data URLs.
|
|
* This schema ensures that the input string matches the format of a data URL.
|
|
*
|
|
* @example
|
|
* const result = dataUrlSchema.safeParse('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDCAAAAC0BEMAAW9R3AAAAAElFTkSuQmCC');
|
|
* if (result.success) {
|
|
* console.log('Valid data URL:', result.data);
|
|
* } else {
|
|
* console.error('Validation error:', result.error.errors);
|
|
* }
|
|
*/
|
|
export const zodDataUrlSchema = z.string().refine(value => zodDataUrlRegex.test(value), {
|
|
message: 'Invalid data URL',
|
|
});
|
|
|
|
|
|
//===============================================================================
|
|
/**
|
|
* A schema for validating Base64 encoded strings.
|
|
*
|
|
* This schema checks if the string is valid Base64 and ensures that the first 20 characters
|
|
* do not contain a comma.
|
|
*
|
|
* @example
|
|
* ```typescript
|
|
* const validString = 'SGVsbG8sIHdvcmxkIQ=='; // Base64 for "Hello, world!"
|
|
* const invalidString = 'SGVsbG8sIHdvcmxkIQ,,=='; // Invalid due to commas
|
|
*
|
|
* console.log(base64Schema.safeParse(validString).success); // true
|
|
* console.log(base64Schema.safeParse(invalidString).success); // false
|
|
* ```
|
|
*/
|
|
export const base64Schema = z.string().refine(value => {
|
|
// Regular expression for Base64 validation
|
|
const isBase64 = /^[A-Za-z0-9+/=]*$/.test(value) && (value.length % 4 === 0);
|
|
// Check if the first 20 characters do not contain a comma
|
|
return isBase64 && !value.substring(0, 20).includes(',');
|
|
}, {
|
|
message: 'Invalid Base64 string or comma found in the first 20 characters'
|
|
});
|
|
|
|
/**
|
|
* Validates a given string against the Base64 schema.
|
|
*
|
|
* @param input - The string to validate.
|
|
* @returns `true` if the input is valid according to the schema, `false` otherwise.
|
|
*
|
|
* @example
|
|
* ```typescript
|
|
* console.log(validateInput('SGVsbG8sIHdvcmxkIQ==')); // true
|
|
* console.log(validateInput('SGVsbG8sIHdvcmxkIQ,,==')); // false
|
|
* ```
|
|
*/
|