@trivago/prettier-plugin-sort-imports/lib/src/preprocessors/svelte-preprocessor.js

A prettier plugins to sort imports in provided RegEx order

import { preprocessor } from './preprocessor.js';
let prettierPluginSvelte;
let svelteCompiler;
try {
    prettierPluginSvelte = await import('prettier-plugin-svelte');
    svelteCompiler = await import('svelte/compiler');
}
catch {
    // Do not error because the dependency is optional.
}
const booleanGuard = (value) => Boolean(value);
const sortImports = (code, options) => {
    if (!svelteCompiler) {
        throw new Error("Missing peer dependency 'svelte/compiler'. Please install it to use the svelte parser.");
    }
    const { parse } = svelteCompiler;
    const { instance, module } = parse(code);
    const sources = [instance, module].filter(booleanGuard);
    if (!sources.length)
        return code;
    return sources.reduce((code, source) => {
        const snippet = code.slice(source.content.start, source.content.end);
        const preprocessed = preprocessor(snippet, options);
        const result = code.replace(snippet, `\n${preprocessed}\n`);
        return result;
    }, code);
};
export function sveltePreprocessor(code, options) {
    const sorted = sortImports(code, options);
    if (!prettierPluginSvelte) {
        throw new Error("Missing peer dependency 'prettier-plugin-svelte'. Please install it to use the svelte parser.");
    }
    // @ts-expect-error TODO: Fix this type error
    return prettierPluginSvelte.parsers.svelte.preprocess(sorted, options);
}