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#!/usr/bin/env node
/**
* CLI validator for .gitinfo files
* Usage: node validate.js [file]
* node validate.js # validates .gitinfo in current directory
* node validate.js path/to/.gitinfo
*/
const fs = require("fs");
const path = require("path");
// Load the schema
const SCHEMA_PATH = path.join(__dirname, "gitinfo.schema.json");
/**
* Strip JSONC comments (single-line // and multi-line /* *\/)
*/
function stripJsonComments(jsonc) {
let result = "";
let i = 0;
let inString = false;
let stringChar = null;
while (i < jsonc.length) {
const char = jsonc[i];
const next = jsonc[i + 1];
// Track string state
if (!inString && (char === '"' || char === "'")) {
inString = true;
stringChar = char;
result += char;
i++;
continue;
}
if (inString) {
if (char === "\\" && i + 1 < jsonc.length) {
// Escape sequence
result += char + jsonc[i + 1];
i += 2;
continue;
}
if (char === stringChar) {
inString = false;
stringChar = null;
}
result += char;
i++;
continue;
}
// Single-line comment
if (char === "/" && next === "/") {
while (i < jsonc.length && jsonc[i] !== "\n") {
i++;
}
continue;
}
// Multi-line comment
if (char === "/" && next === "*") {
i += 2;
while (
i < jsonc.length - 1 &&
!(jsonc[i] === "*" && jsonc[i + 1] === "/")
) {
i++;
}
i += 2;
continue;
}
result += char;
i++;
}
return result;
}
/**
* Simple JSON Schema validator (subset of draft 2020-12)
*/
function validateSchema(data, schema, path = "") {
const errors = [];
if (schema.type === "object") {
if (typeof data !== "object" || data === null || Array.isArray(data)) {
errors.push(`${path || "root"}: expected object`);
return errors;
}
// Check additionalProperties
if (schema.additionalProperties === false && schema.properties) {
const allowed = new Set(Object.keys(schema.properties));
for (const key of Object.keys(data)) {
if (!allowed.has(key)) {
errors.push(`${path || "root"}: unknown property "${key}"`);
}
}
}
// Validate each property
if (schema.properties) {
for (const [key, propSchema] of Object.entries(schema.properties)) {
if (data[key] !== undefined) {
errors.push(
...validateSchema(data[key], propSchema, `${path}.${key}`),
);
}
}
}
} else if (schema.type === "array") {
if (!Array.isArray(data)) {
errors.push(`${path}: expected array`);
return errors;
}
if (schema.items) {
if (Array.isArray(schema.items)) {
// Tuple validation
for (let i = 0; i < data.length; i++) {
const itemSchema = schema.items[i] || {};
errors.push(...validateSchema(data[i], itemSchema, `${path}[${i}]`));
}
if (schema.minItems && data.length < schema.minItems) {
errors.push(`${path}: expected at least ${schema.minItems} items`);
}
if (schema.maxItems && data.length > schema.maxItems) {
errors.push(`${path}: expected at most ${schema.maxItems} items`);
}
} else {
// Array of same type
for (let i = 0; i < data.length; i++) {
errors.push(
...validateSchema(data[i], schema.items, `${path}[${i}]`),
);
}
}
}
} else if (schema.type === "string") {
if (typeof data !== "string") {
errors.push(`${path}: expected string`);
return errors;
}
if (schema.minLength && data.length < schema.minLength) {
errors.push(`${path}: string too short (min ${schema.minLength})`);
}
if (schema.format === "uri") {
try {
new URL(data);
} catch {
errors.push(`${path}: invalid URI "${data}"`);
}
}
if (schema.format === "email") {
if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(data)) {
errors.push(`${path}: invalid email "${data}"`);
}
}
if (schema.pattern) {
if (!new RegExp(schema.pattern).test(data)) {
errors.push(`${path}: does not match pattern ${schema.pattern}`);
}
}
}
return errors;
}
function main() {
const args = process.argv.slice(2);
const filePath = args[0] || ".gitinfo";
// Check if file exists
if (!fs.existsSync(filePath)) {
console.error(`Error: File not found: ${filePath}`);
process.exit(1);
}
// Check if schema exists
if (!fs.existsSync(SCHEMA_PATH)) {
console.error(`Error: Schema not found: ${SCHEMA_PATH}`);
process.exit(1);
}
// Read and parse schema
let schema;
try {
schema = JSON.parse(fs.readFileSync(SCHEMA_PATH, "utf-8"));
} catch (err) {
console.error(`Error parsing schema: ${err.message}`);
process.exit(1);
}
// Read and parse .gitinfo file
let content;
try {
content = fs.readFileSync(filePath, "utf-8");
} catch (err) {
console.error(`Error reading file: ${err.message}`);
process.exit(1);
}
let data;
try {
const stripped = stripJsonComments(content);
data = JSON.parse(stripped);
} catch (err) {
console.error(`Error parsing JSONC: ${err.message}`);
process.exit(1);
}
// Validate against schema
const errors = validateSchema(data, schema);
if (errors.length > 0) {
console.error(`Validation failed for ${filePath}:`);
for (const error of errors) {
console.error(` - ${error}`);
}
process.exit(1);
}
console.log(`✓ ${filePath} is valid`);
process.exit(0);
}
main();
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