seth.computer
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1import { access } from "node:fs/promises";
2import { join } from "node:path";
3import { pathToFileURL } from "node:url";
4import type { ExportConfig } from "./types.ts";
5
6const CONFIG_FILENAMES = ["sitebase.config.ts", "sitebase.config.js"];
7
8/**
9 * Find config file in directory (auto-discovery)
10 */
11export async function findConfigFile(dir: string): Promise<string | null> {
12 for (const filename of CONFIG_FILENAMES) {
13 const configPath = join(dir, filename);
14 try {
15 await access(configPath);
16 return configPath;
17 } catch {
18 // File doesn't exist, try next
19 }
20 }
21 return null;
22}
23
24/**
25 * Load export config from a JS/TS file
26 */
27export async function loadExportConfig(
28 configPath: string,
29): Promise<ExportConfig> {
30 const configUrl = pathToFileURL(configPath).href;
31 const configModule = await import(configUrl);
32 const config = configModule.default as ExportConfig;
33
34 // Validate required fields
35 if (!config.publicationUri) {
36 throw new Error("Config missing required field: publicationUri");
37 }
38 if (
39 !config.exports ||
40 !Array.isArray(config.exports) ||
41 config.exports.length === 0
42 ) {
43 throw new Error(
44 "Config missing required field: exports (must be non-empty array)",
45 );
46 }
47
48 // Validate each export target
49 for (const [i, target] of config.exports.entries()) {
50 if (!target.outputDir) {
51 throw new Error(`Export target ${i} missing required field: outputDir`);
52 }
53 if (!target.filename || typeof target.filename !== "function") {
54 throw new Error(
55 `Export target ${i} missing required field: filename (must be a function)`,
56 );
57 }
58 }
59
60 return config;
61}