@sequeljs/ast/dist/es/nodes/Window.js

A SQL AST manager for JavaScript

import Node from './Node';
import Range from './Range';
import Rows from './Rows';
import SQLLiteral from './SQLLiteral';
export default class Window extends Node {
    constructor() {
        super(...arguments);
        this.framing = null;
        this.orders = [];
        this.partitions = [];
    }
    frame(expr) {
        this.framing = expr;
        return this.framing;
    }
    order(...expr) {
        this.orders.push(...expr.map((x) => (typeof x === 'string' ? new SQLLiteral(x) : x)));
        return this;
    }
    partition(...expr) {
        this.partitions.push(...expr.map((x) => (typeof x === 'string' ? new SQLLiteral(x) : x)));
        return this;
    }
    range(expr = null) {
        const range = new Range(expr);
        if (!this.framing) {
            this.frame(range);
        }
        return range;
    }
    rows(expr = null) {
        const rows = new Rows(expr);
        if (!this.framing) {
            this.frame(rows);
        }
        return rows;
    }
}
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