typia/lib/transformers/features/RandomTransformer.mjs

Superfast runtime validators with only one line

import ts from 'typescript';
import { RandomProgrammer } from '../../programmers/RandomProgrammer.mjs';
import { TransformerError } from '../TransformerError.mjs';

var RandomTransformer;
(function (RandomTransformer) {
    RandomTransformer.transform = (props) => {
        // CHECK GENERIC ARGUMENT EXISTENCE
        if (!props.expression.typeArguments?.[0])
            throw new TransformerError({
                code: `typia.${props.modulo.getText()}`,
                message: "generic argument is not specified.",
            });
        // GET TYPE INFO
        const node = props.expression.typeArguments[0];
        const type = props.context.checker.getTypeFromTypeNode(node);
        if (type.isTypeParameter())
            throw new TransformerError({
                code: `typia.${props.modulo.getText()}`,
                message: "non-specified generic argument.",
            });
        return ts.factory.createCallExpression(RandomProgrammer.write({
            context: props.context,
            modulo: props.modulo,
            type,
            name: node.getFullText().trim(),
            init: undefined,
        }), undefined, props.expression.arguments.length
            ? [props.expression.arguments[0]]
            : undefined);
    };
})(RandomTransformer || (RandomTransformer = {}));

export { RandomTransformer };
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