var __rewriteRelativeImportExtension = (this && this.__rewriteRelativeImportExtension) || function (path, preserveJsx) {
    if (typeof path === "string" && /^\.\.?\//.test(path)) {
        return path.replace(/\.(tsx)$|((?:\.d)?)((?:\.[^./]+?)?)\.([cm]?)ts$/i, function (m, tsx, d, ext, cm) {
            return tsx ? preserveJsx ? ".jsx" : ".js" : d && (!ext || !cm) ? m : (d + ext + "." + cm.toLowerCase() + "js");
        });
    }
    return path;
};
import { access, readFile } from 'node:fs/promises';
import path from 'node:path';
import { pathToFileURL } from 'node:url';
const defaults = {
    title: 'easy-slides',
    description: 'Markdown presentations powered by easy-slides',
    slidesDir: 'slides',
    outDir: 'dist',
    exportDir: 'exports',
};
export async function loadProjectConfig(cwd = process.cwd()) {
    const candidates = [
        'easy-slides.config.mjs',
        'easy-slides.config.js',
        'easy-slides.config.json',
    ];
    for (const candidate of candidates) {
        const filename = path.join(cwd, candidate);
        if (!(await exists(filename)))
            continue;
        const loaded = candidate.endsWith('.json')
            ? JSON.parse(await readFile(filename, 'utf8'))
            : (await import(__rewriteRelativeImportExtension(`${pathToFileURL(filename).href}?t=${Date.now()}`))).default;
        return normalizeConfig(loaded);
    }
    return { ...defaults };
}
export function normalizeConfig(value) {
    return {
        ...defaults,
        ...value,
        slidesDir: normalizeRelativePath(value?.slidesDir ?? defaults.slidesDir, 'slidesDir'),
        outDir: normalizeRelativePath(value?.outDir ?? defaults.outDir, 'outDir'),
        exportDir: normalizeRelativePath(value?.exportDir ?? defaults.exportDir, 'exportDir'),
    };
}
function normalizeRelativePath(value, field) {
    const normalized = value.trim().replace(/[\\/]+$/, '');
    const portable = normalized.replaceAll('\\', '/');
    if (!normalized || path.isAbsolute(normalized) || portable === '..' || portable.startsWith('../'))
        throw new Error(`${field} 必须是项目内的相对路径`);
    return normalized;
}
async function exists(filename) {
    try {
        await access(filename);
        return true;
    }
    catch {
        return false;
    }
}
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