pgsql-deparser/esm/visitors/base.js

PostgreSQL AST Deparser

export class BaseVisitor {
    getNodeType(node) {
        return Object.keys(node)[0];
    }
    getNodeData(node) {
        const type = this.getNodeType(node);
        return node[type];
    }
    formatList(items, separator = ', ', prefix = '', formatter) {
        if (!items || items.length === 0) {
            return '';
        }
        return items
            .map(item => `${prefix}${formatter(item)}`)
            .join(separator);
    }
    formatParts(parts, separator = ' ') {
        return parts.filter(part => part !== null && part !== undefined && part !== '').join(separator);
    }
    formatParens(content) {
        return `(${content})`;
    }
    formatIndent(text, count = 1) {
        return text;
    }
}