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lib/ReactProxy.js

Summary

Maintainability
D
3 days
Test Coverage

File ReactProxy.js has 483 lines of code (exceeds 250 allowed). Consider refactoring.
Open

/**
 * by 司徒正美 Copyright 2018-05-15
 * IE9+
 */
Severity: Minor
Found in lib/ReactProxy.js - About 7 hrs to fix

    Function proxyClass has 143 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

        function proxyClass(InitialComponent) {
        var existingProxy = findProxy(InitialComponent);
        if (existingProxy) {
            return existingProxy;
        }
    Severity: Major
    Found in lib/ReactProxy.js - About 5 hrs to fix

      Function createPrototypeProxy has 117 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          function createPrototypeProxy() {
        var proxy = {};
        var current = null;
        var mountedInstances = [];
        function proxyToString(name) {
      Severity: Major
      Found in lib/ReactProxy.js - About 4 hrs to fix

        Function update has 80 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

                function update(NextComponent) {
            if (typeof NextComponent !== "function") {
                throw new Error("Expected a constructor.");
            }
            if (NextComponent === CurrentComponent) {
        Severity: Major
        Found in lib/ReactProxy.js - About 3 hrs to fix

          Function _slicedToArray has 29 lines of code (exceeds 25 allowed). Consider refactoring.
          Open

              var _slicedToArray = function () {
        function sliceIterator(arr, i) {
            var _arr = []; var _n = true; var _d = false; var _e = undefined; try {
                for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
                    _arr.push(_s.value); if (i && _arr.length === i) {
          Severity: Minor
          Found in lib/ReactProxy.js - About 1 hr to fix

            Similar blocks of code found in 5 locations. Consider refactoring.
            Open

            (function (global, factory) {
    typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() :
        typeof define === "function" && define.amd ? define(factory) :
            (global.ReactProxy = factory());
}(this, (function () {
            Severity: Major
            Found in lib/ReactProxy.js and 4 other locations - About 2 hrs to fix
            lib/createClass.js on lines 6..185
            lib/deepForceUpdate.js on lines 1..109
            lib/devtools.js on lines 1..423
            lib/shallowCompare.js on lines 6..87

            Duplicated Code

            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

            Tuning

            This issue has a mass of 80.

            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

            Refactorings

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