UniDesk Codex
46 lines
1.8 KiB
JavaScript
46 lines
1.8 KiB
JavaScript
import { readFile, writeFile } from "node:fs/promises";
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import path from "node:path";
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import * as YAML from "yaml";
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export function structuredConfigFormatForPath(relativePath) {
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const extension = path.extname(relativePath).toLowerCase();
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if (extension === ".json") return "json";
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if (extension === ".yaml" || extension === ".yml" || extension === ".ymal") return "yaml";
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throw new Error(`unsupported structured config extension for ${relativePath}`);
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}
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export function parseStructuredConfig(text, relativePath = "<structured-config>") {
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const format = structuredConfigFormatForPath(relativePath);
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if (format === "json") return JSON.parse(text);
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return YAML.parse(text);
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}
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export function stringifyStructuredConfig(value, relativePath = "<structured-config>") {
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const format = structuredConfigFormatForPath(relativePath);
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if (format === "json") return `${JSON.stringify(value, null, 2)}\n`;
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const text = YAML.stringify(value, { indent: 2, lineWidth: 0 });
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return text.endsWith("\n") ? text : `${text}\n`;
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}
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export async function readStructuredFile(repoRoot, relativePath) {
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const filePath = path.isAbsolute(relativePath) ? relativePath : path.join(repoRoot, relativePath);
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const raw = await readFile(filePath, "utf8");
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return parseStructuredConfig(raw, relativePath);
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}
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export async function readStructuredFileIfPresent(repoRoot, relativePath, fallback = null) {
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try {
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return await readStructuredFile(repoRoot, relativePath);
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} catch (error) {
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if (error?.code === "ENOENT") return fallback;
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throw error;
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}
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}
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export async function writeStructuredFile(repoRoot, relativePath, value) {
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const filePath = path.isAbsolute(relativePath) ? relativePath : path.join(repoRoot, relativePath);
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const raw = stringifyStructuredConfig(value, relativePath);
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await writeFile(filePath, raw, "utf8");
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}
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