@cloudpss/template/src/builder.ts

Lightweight string and object templating utilities with interpolation and formula support.

import { stringify } from './utils.js';

const KNOWN_ERRORS = [EvalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError] as const;

/** 构建 Error */
export function buildError(err: Error): string {
    if (typeof DOMException == 'function' && err instanceof DOMException) {
        return `new DOMException(${stringify(err.message)}, ${stringify(err.name)})`;
    }
    const constructor = KNOWN_ERRORS.find((type) => err instanceof type)?.name ?? 'Error';
    if (err.name === constructor) {
        return `new ${constructor}(${stringify(err.message)})`;
    }
    return `Object.assign(new ${constructor}(${stringify(err.message)}), {name: ${stringify(err.name)}})`;
}