typia/src/programmers/internal/template_to_pattern.ts

Superfast runtime validators with only one line

import { Metadata } from "../../schemas/metadata/Metadata";

import { PatternUtil } from "../../utils/PatternUtil";

import { metadata_to_pattern } from "./metadata_to_pattern";

/**
 * @internal
 */
export const template_to_pattern = (top: boolean) => (template: Metadata[]) => {
  const pattern: string = template
    .map((meta) => metadata_to_pattern(false)(meta))
    .join("");
  return top ? PatternUtil.fix(pattern) : pattern;
};