mysqldump-ddl-parser/dist/esm/Table.js

Parse DDL, output JS object.

import Column from './Column';
import ForeignKey from './ForeignKey';
export default class Table {
    sql;
    name = '';
    columns = [];
    primaryKey = [];
    keys = [];
    foreignKeys = [];
    constructor(sql, dialect) {
        this.sql = sql;
        if (dialect == 'oracle') {
            this.oracle(sql);
        }
        else {
            this.mysql(sql);
        }
    }
    oracle(sql) {
        sql
            .replace(/\r?\n[\t ]+REFERENCES/, ' REFERENCES')
            .split(/\r?\n/)
            .forEach((line) => {
            line = line.trim();
            if (/CREATE TABLE/.test(line)) {
                const parsed = line.match(/"([^]+)"/);
                if (parsed) {
                    const splited = parsed[1].split(/\./);
                    this.name = splited[splited.length - 1]
                        .replaceAll(/"/g, '')
                        .toLowerCase();
                }
            }
            else if (/^(\([\t ]*)?"/.test(line)) {
                this.columns.push(new Column(line, 'oracle'));
            }
            else if (/ FOREIGN KEY /.test(line)) {
                this.foreignKeys.push(new ForeignKey(line, 'oracle'));
            }
            else if (/PRIMARY KEY/.test(line)) {
                const parsed = line.match(/PRIMARY KEY.*\(([^)]*)\)/);
                if (parsed) {
                    this.primaryKey = parsed[1]
                        .split(/,/)
                        .map((c) => c.trim().toLowerCase().replaceAll(/"/g, ''));
                }
            }
            // TODO INDEX
        });
    }
    mysql(sql) {
        sql.split(/\r?\n/).forEach((line) => {
            line = line.trim();
            if (/CREATE TABLE/.test(line)) {
                this.name = (line.match(/`([^`]+)`/)?.at(1) ?? '').toLowerCase();
            }
            else if (/^`/.test(line)) {
                this.columns.push(new Column(line, 'mysql'));
            }
            else if (/ FOREIGN KEY /.test(line)) {
                this.foreignKeys.push(new ForeignKey(line, 'mysql'));
            }
            else if (/^PRIMARY KEY/.test(line)) {
                const parsed = line.match(/\((.*)\)/);
                if (parsed?.at(1)) {
                    this.primaryKey =
                        parsed
                            ?.at(1)
                            ?.split(/,/)
                            .map((key) => key.replaceAll('`', '')) ?? this.primaryKey;
                }
            }
            else if (/^KEY/.test(line)) {
                const parsed = line.match(/\((.*)\)/);
                if (parsed?.at(1)) {
                    const key = parsed
                        ?.at(1)
                        ?.split(/,/)
                        .map((key) => key.replaceAll('`', '').toLowerCase());
                    if (key) {
                        this.keys.push(key);
                    }
                }
            }
        });
    }
}