stryker/src/mutators/UpdateOperatorMutator.js

The extendable JavaScript mutation testing framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var esprima_1 = require("esprima");
var UpdateOperatorMutator = /** @class */ (function () {
    function UpdateOperatorMutator() {
        this.name = 'UpdateOperator';
        this.type = esprima_1.Syntax.UpdateExpression;
        this.operators = {
            '++': '--',
            '--': '++'
        };
    }
    UpdateOperatorMutator.prototype.applyMutations = function (node, copy) {
        if (node.type === this.type && this.operators[node.operator]) {
            var mutatedNode = copy(node);
            mutatedNode.operator = this.operators[node.operator];
            return mutatedNode;
        }
    };
    return UpdateOperatorMutator;
}());
exports.default = UpdateOperatorMutator;
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