@launchql/core/esm/migrate/utils/hash.js

LaunchQL Package and Migration Tools

import { createHash } from 'crypto';
import { readFile } from 'fs/promises';
import { parse } from 'pgsql-parser';
import { cleanTree } from '../../packaging/package';
/**
 * Generate SHA256 hash of a file's contents
 */
export async function hashFile(filePath) {
    const content = await readFile(filePath, 'utf-8');
    return createHash('sha256').update(content).digest('hex');
}
/**
 * Generate SHA256 hash of a string
 */
export function hashString(content) {
    return createHash('sha256').update(content).digest('hex');
}
/**
 * Generate SHA256 hash of a SQL file's parsed and cleaned AST
 */
export async function hashSqlFile(filePath) {
    const content = await readFile(filePath, 'utf-8');
    const parsed = await parse(content);
    const cleaned = cleanTree(parsed);
    const astString = JSON.stringify(cleaned);
    return hashString(astString);
}