33 lines
776 B
TypeScript
33 lines
776 B
TypeScript
import { Validator, Args } from "../mod.ts";
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export function isString(): Validator {
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return {
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type: "isString",
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check: (value: any) => {
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if (value === null || value === undefined) return;
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if (typeof value !== "string" && !(value instanceof String)) {
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return {};
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}
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},
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message: (value: any, args?: Args) => {
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return `This value has to be a string.`;
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},
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};
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}
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export function isURL(): Validator {
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return {
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type: "isURL",
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extends: [isString()],
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check: (value: any) => {
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if (value === null || value === undefined) return;
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if (value !== "http://google.com") {
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return {};
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}
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},
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message: (value: any, args?: Args) => {
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return `This value is not a valid URL.`;
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},
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};
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}
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