InternalCompileError Class — svelte Architecture

Source Code

packages/svelte/scripts/process-messages/templates/compile-errors.js lines 5–33

class InternalCompileError extends Error {
	message = ''; // ensure this property is enumerable
	#diagnostic;

	/**
	 * @param {string} code
	 * @param {string} message
	 * @param {[number, number] | undefined} position
	 */
	constructor(code, message, position) {
		super(message);
		this.stack = ''; // avoid unnecessary noise; don't set it as a class property or it becomes enumerable

		// We want to extend from Error so that various bundler plugins properly handle it.
		// But we also want to share the same object shape with that of warnings, therefore
		// we create an instance of the shared class an copy over its properties.
		this.#diagnostic = new CompileDiagnostic(code, message, position);
		Object.assign(this, this.#diagnostic);
		this.name = 'CompileError';
	}

	toString() {
		return this.#diagnostic.toString();
	}

	toJSON() {
		return this.#diagnostic.toJSON();
	}
}