fluxer/fluxer_docs/scripts/generate_error_codes.mjs
2026-02-17 12:22:36 +00:00

95 lines
3.4 KiB
JavaScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import path from 'node:path';
import {fileURLToPath} from 'node:url';
import {createFrontmatter, escapeTableText, readJsonFile, writeFile} from './shared.mjs';
/**
* Render a table of error codes with descriptions.
*/
function renderErrorCodeTable(codes, descriptions) {
let out = '';
out += '| Code | Description |\n';
out += '|------|-------------|\n';
for (let i = 0; i < codes.length; i++) {
const code = codes[i];
const description = descriptions[i] ?? '-';
out += `| \`${escapeTableText(code)}\` | ${escapeTableText(description)} |\n`;
}
return out;
}
async function main() {
const dirname = path.dirname(fileURLToPath(import.meta.url));
const repoRoot = path.resolve(dirname, '../..');
const openapiPath = path.join(repoRoot, 'fluxer_docs/api-reference/openapi.json');
const outPath = path.join(repoRoot, 'fluxer_docs/topics/error_codes.mdx');
const openapi = await readJsonFile(openapiPath);
const schemas = openapi?.components?.schemas ?? {};
const apiErrorCodeSchema = schemas.APIErrorCode;
const validationErrorCodeSchema = schemas.ValidationErrorCodeSchema;
if (!apiErrorCodeSchema) {
throw new Error('APIErrorCode schema not found in OpenAPI spec');
}
if (!validationErrorCodeSchema) {
throw new Error('ValidationErrorCodeSchema schema not found in OpenAPI spec');
}
const apiErrorCodes = apiErrorCodeSchema.enum ?? [];
const apiErrorDescriptions = apiErrorCodeSchema['x-enumDescriptions'] ?? [];
const validationErrorCodes = validationErrorCodeSchema['x-enumNames'] ?? validationErrorCodeSchema.enum ?? [];
const validationErrorDescriptions = validationErrorCodeSchema['x-enumDescriptions'] ?? [];
let out = '';
out += createFrontmatter({
title: 'Error codes',
description: 'Reference for API and validation error codes returned by Fluxer.',
});
out += '\n\n';
out +=
'When the API returns an error response, it includes a structured error object with a `code` field that identifies the specific error. This page documents all possible error codes.\n\n';
out += '## API error codes\n\n';
out += 'These error codes are returned in the `code` field of the main error response body.\n\n';
out += renderErrorCodeTable(apiErrorCodes, apiErrorDescriptions);
out += '\n';
out += '## Validation error codes\n\n';
out +=
'These error codes are returned in the `code` field of individual validation error items when request validation fails.\n\n';
out += renderErrorCodeTable(validationErrorCodes, validationErrorDescriptions);
await writeFile(outPath, out);
console.log('Generated error codes documentation:');
console.log(` - ${outPath}`);
console.log(` - ${apiErrorCodes.length} API error codes`);
console.log(` - ${validationErrorCodes.length} validation error codes`);
}
await main();