adaptive-expressions
Version:
Common Expression Language
39 lines • 1.26 kB
JavaScript
;
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Unique = void 0;
const expressionEvaluator_1 = require("../expressionEvaluator");
const expressionType_1 = require("../expressionType");
const functionUtils_1 = require("../functionUtils");
const returnType_1 = require("../returnType");
/**
* Remove all duplicates from an array.
*/
class Unique extends expressionEvaluator_1.ExpressionEvaluator {
/**
* Initializes a new instance of the [Unique](xref:adaptive-expressions.Unique) class.
*/
constructor() {
super(expressionType_1.ExpressionType.Unique, Unique.evaluator(), returnType_1.ReturnType.Array, Unique.validator);
}
/**
* @private
*/
static evaluator() {
return functionUtils_1.FunctionUtils.apply((args) => [...new Set(args[0])], functionUtils_1.FunctionUtils.verifyList);
}
/**
* @private
*/
static validator(expression) {
functionUtils_1.FunctionUtils.validateOrder(expression, [], returnType_1.ReturnType.Array);
}
}
exports.Unique = Unique;
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