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25 lines
725 B
JavaScript
25 lines
725 B
JavaScript
"use strict";
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const { validateArguments } = require("@validatem/core");
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const required = require("@validatem/required");
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const either = require("@validatem/either");
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const node = require("../../ast-node");
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module.exports = function (operations) {
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return function resultExists(_expression) {
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const isExpression = require("../../validators/operations/is-expression")(operations);
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const isRelation = require("../../validators/operations/is-relation")(operations); // FIXME: More specific type?
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// MARKER: Finish this
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let [ expression ] = validateArguments(arguments, {
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expression: [ required, either([ isExpression, isRelation ]) ]
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});
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return node({
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type: "index",
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expression: expression
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});
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};
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};
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