@matatbread/typia/lib/programmers/internal/check_template.mjs

Superfast runtime validators with only one line

import ts from 'typescript';
import { template_to_pattern } from './template_to_pattern.mjs';

/** @internal */
const check_template = (props) => {
    // TYPEOF STRING & TAGS
    const conditions = [
        ts.factory.createStrictEquality(ts.factory.createStringLiteral("string"), ts.factory.createTypeOfExpression(props.input)),
    ];
    // TEMPLATES
    const internal = props.templates.map((tpl) => ts.factory.createCallExpression(ts.factory.createIdentifier(`RegExp(/${template_to_pattern({
        top: true,
        template: tpl.row,
    })}/).test`), undefined, [props.input]));
    conditions.push(internal.length === 1
        ? internal[0]
        : internal.reduce((x, y) => ts.factory.createLogicalOr(x, y)));
    // COMBINATION
    return {
        expression: conditions.reduce((x, y) => ts.factory.createLogicalAnd(x, y)),
        conditions: [],
        expected: props.templates.map((tpl) => tpl.getName()).join(" | "),
    };
};

export { check_template };
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