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825 B
JavaScript

"use strict";
const { validateArguments } = require("@validatem/core");
const required = require("@validatem/required");
const arrayOf = require("@validatem/array-of");
const node = require("../ast-node");
module.exports = function (operations) {
const isCollapsibleColumn = require("../validators/operations/is-collapsible-column")(operations);
const isCollapseByClause = require("../validators/operations/is-collapse-by-clause")(operations);
return function collapseBy(_columns) {
let [ columns, clauses ] = validateArguments(arguments, {
columns: [ required, arrayOf([ required, isCollapsibleColumn ]) ],
clauses: [ arrayOf([ isCollapseByClause ]) ]
});
return node({
type: "collapseBy",
columns: node({
type: "collapseByColumns",
columns: columns
}),
clauses: clauses
});
};
};