Files
kjol/go/jsruntime/uikit/Validation.ts
2026-07-15 11:20:47 -04:00

105 lines
3.7 KiB
TypeScript

import { Accessor, createMemo } from "solid-js";
export interface Validation<T> {
id: string; // snake case identifier that is "touched"
name: string;
required?: boolean;
touched: Accessor<Record<string, boolean>>;
field: Accessor<T>;
fieldBlur?: Accessor<T>;
isValidFunc?: (input: string, ...args: any) => boolean;
invalidMsg?: string;
}
export function createValidation(validation: Validation<string>): Accessor<string> {
const { id, name, required, touched, isValidFunc, invalidMsg } = validation;
const field = () => validation.field().trim();
// When no blur accessor is provided, fall back to the live value so the
// "has value but not blurred yet" guard is always false and validation
// runs against the live value instead.
const fieldBlur = validation.fieldBlur ? () => validation.fieldBlur!().trim() : field;
return createMemo(() => {
if (!touched()[id] || (field() && !fieldBlur()) || (isValidFunc && isValidFunc(field()))) return "";
if (!field()) return required ? `${name} is required` : "";
if (isValidFunc && !isValidFunc(fieldBlur())) return invalidMsg ?? `${name} is invalid`;
return "";
});
}
export function isPhoneNumberValid(phoneNumber: string): boolean {
phoneNumber = phoneNumber.replace(/\D/g, "");
return phoneNumber.length == 10
}
export function isEmailValid(email: string): boolean {
const regex = /^[-!#$%&'*+\/0-9=?A-Z^_a-z`{|}~](\.?[-!#$%&'*+\/0-9=?A-Z^_a-z`{|}~])*@[a-zA-Z0-9](-*\.?[a-zA-Z0-9])*\.[a-zA-Z](-?[a-zA-Z0-9])+$/;
if (!email) return false;
let emailParts = email.split('@');
if (emailParts.length !== 2) return false;
let account = emailParts[0];
let address = emailParts[1];
if (account.length > 64) return false;
else if (address.length > 255) return false;
let domainParts = address.split('.');
if (domainParts.some(function (part) {
return part.length > 63;
})) return false;
return regex.test(email);
}
export function isUrlValid(url: string): boolean {
const regex = /[(http(s)?):\/\/(www\.)?a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/;
return regex.test(url);
}
export function isZipCodeValid(zip: string): boolean {
const rawZip = String(zip).replace(/\D/g, "");
return rawZip.length == 5 || rawZip.length == 9
}
export function isTaxIdValid(id: string): boolean {
const rawId = String(id).replace(/\D/g, "");
return rawId.length == 9;
}
// isAtLeastMinChars checks if the input string is at least "min" characters long
// and returns a boolean, true if valid, false if not.
export function isAtLeastMinChars(input: string, min:number):boolean {
return input.length >= min;
}
// isWithinMaxChars checks if the input string is at most "max" characters long
// and returns a boolean, true if valid, false if not.
export function isWithinMaxChars(input: string, max:number):boolean {
return input.length <= max;
}
// isNameValid checks if the name string consists of only letters, spaces, hyphens, and apostrophes
// and returns a boolean, true if valid, false if not.
export function isNameValid(name: string): boolean {
const regex = /^[\p{L}]*[\p{L} '\-]*[\p{L}]$/u;
return regex.test(name);
}
// isUsernameValid checks if the username contains 5-50 characters and only consists of alphanumeric
// characters. Returns an error message if invalid, empty string if valid.
export function isUsernameValid(username: string): string {
if (username.length < 5 || username.length > 50) return "Username must have 5-50 characters"
const regex = /^[A-Za-z0-9]*$/;
if (!regex.test(username)) return "Username must only contain alphanumeric characters"
return ""; // Valid
}