validate-options.js — svelte Source File

Source Code

/** @import { ModuleCompileOptions, ValidatedModuleCompileOptions, CompileOptions, ValidatedCompileOptions } from '#compiler' */
import * as e from './errors.js';
import * as w from './warnings.js';

/**
 * @template [Input=any]
 * @template [Output=Input]
 * @typedef {(input: Input, keypath: string) => Required<Output>} Validator
 */

const common_options = {
	filename: string('(unknown)'),

	// default to process.cwd() where it exists to replicate svelte4 behavior (and make Deno work with this as well)
	// see https://github.com/sveltejs/svelte/blob/b62fc8c8fd2640c9b99168f01b9d958cb2f7574f/packages/svelte/src/compiler/compile/Component.js#L211
	/* eslint-disable */
	rootDir: string(
		typeof process !== 'undefined'
			? process.cwd?.()
			: // @ts-expect-error
				typeof Deno !== 'undefined'
				? // @ts-expect-error
					Deno.cwd()
				: undefined
	),
	/* eslint-enable */

	dev: boolean(false),

	generate: validator('client', (input, keypath) => {
		if (input === 'dom' || input === 'ssr') {
			warn_once(w.options_renamed_ssr_dom);
			return input === 'dom' ? 'client' : 'server';
		}

		// TODO deprecate `false` in favour of `analyze`/`analyzeModule` https://github.com/sveltejs/svelte-octane/issues/655
		if (input !== 'client' && input !== 'server' && input !== false) {
			throw_error(`${keypath} must be "client", "server" or false`);
		}

		return input;
	}),

	warningFilter: fun(() => true),

	experimental: object({
		async: boolean(false)
	})
};

const component_options = {
	accessors: deprecate(w.options_deprecated_accessors, boolean(false)),

	css: validator('external', (input) => {
		if (input === true || input === false) {
			throw_error(
				'The boolean options have been removed from the css option. Use "external" instead of false and "injected" instead of true'
			);
		}
		if (input === 'none') {
// ... (265 more lines)