@variablesoftware/mock-d1/dist/engine/parseCreateTable.js

🎛️🗂️🧠 Mock D1 Database implementation for testing Cloudflare Workers

// src/engine/parseCreateTable.ts
/**
 * Parses a CREATE TABLE statement and validates columns.
 * Throws if malformed or columns are missing/invalid.
 * @param sql - The CREATE TABLE SQL statement.
 * @returns An object with tableName and columns array.
 */
export function parseCreateTable(sql) {
    const match = sql.match(/^CREATE\s+TABLE\s+([^\s(]+)\s*\((.*)\)$/i);
    if (!match) {
        throw new Error("Malformed CREATE TABLE statement");
    }
    const [, tableName, columnsRaw] = match;
    if (columnsRaw.trim() === "") {
        throw new Error("Syntax error: CREATE TABLE must define at least one column");
    }
    const columns = columnsRaw.split(",").map(col => col.trim());
    if (columns.length === 0 ||
        columns.some(col => col === "") ||
        /^\s*,|,\s*$/.test(columnsRaw) ||
        /,,/.test(columnsRaw)) {
        throw new Error("Syntax error: CREATE TABLE must define at least one column");
    }
    return { tableName, columns };
}