stryker/src/mutators/ArrayDeclaratorMutator.js

The extendable JavaScript mutation testing framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var esprima_1 = require("esprima");
/**
 * Represents a mutator which can remove the content of an array's elements.
 */
var ArrayDeclaratorMutator = /** @class */ (function () {
    function ArrayDeclaratorMutator() {
        this.name = 'ArrayDeclarator';
    }
    ArrayDeclaratorMutator.prototype.applyMutations = function (node, copy) {
        if ((node.type === esprima_1.Syntax.CallExpression || node.type === esprima_1.Syntax.NewExpression) && node.callee.type === esprima_1.Syntax.Identifier && node.callee.name === 'Array' && node.arguments.length > 0) {
            var mutatedNode = copy(node);
            mutatedNode.arguments = [];
            return mutatedNode;
        }
        if (node.type === esprima_1.Syntax.ArrayExpression && node.elements.length > 0) {
            var mutatedNode = copy(node);
            mutatedNode.elements = [];
            return mutatedNode;
        }
    };
    return ArrayDeclaratorMutator;
}());
exports.default = ArrayDeclaratorMutator;
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