fz-react-cli/lib/moduleStatsPlugin.js

A CLI tool for build modern web application and libraries

"use strict";

function ModuleStatsPlugin(options) {
  options = options || {};
  this.options = {};
  this.options.filename = options.filename || "moduleStats.js";
}

ModuleStatsPlugin.prototype = {
  constructor: ModuleStatsPlugin,

  apply: function apply(compiler) {
    var self = this;
    compiler.plugin("emit", function (compilation, callback) {

      var stats = compilation.getStats().toJson();

      var modules = stats.modules;
      var moduleName = "";
      var rModuleName = "";
      var rReferencesArray = [];
      var rReferencedByArray = [];
      var data = { results: [] };
      var moduleDetails = {};
      var references = "";
      var referencedBy = "";
      var normalizedData = "";

      for (var i in modules) {
        moduleName = modules[i].name;
        if (moduleName.startsWith("./src") && !(moduleName.indexOf("index.js") > -1) && !moduleName.endsWith("css")) {
          rModuleName = moduleName.substring(moduleName.lastIndexOf("/") + 1, moduleName.lastIndexOf("."));
          if (rModuleName.endsWith("docs")) {
            rModuleName = rModuleName.substring(0, rModuleName.lastIndexOf("."));
          }

          if (modules[i].reasons.length > 0) {
            for (var l in modules[i].reasons) {
              referencedBy = modules[i].reasons[l].moduleName;
              if (!referencedBy.endsWith("index.js")) {
                var referencedby = referencedBy.substring(referencedBy.lastIndexOf("/") + 1, referencedBy.lastIndexOf("."));
                if (referencedby.endsWith("docs")) {
                  rReferencedByArray.push(referencedby.substring(0, referencedby.lastIndexOf(".")));
                } else {
                  rReferencedByArray.push(referencedBy.substring(referencedBy.lastIndexOf("/") + 1, referencedBy.lastIndexOf(".")));
                }
              }
            }
          }

          for (var module in modules) {
            if (modules[module].name.startsWith("./src")) {
              for (var reason in modules[module].reasons) {
                if (moduleName === modules[module].reasons[reason].moduleName && !(modules[module].name.indexOf("css") > -1)) {
                  if (!modules[module].name.endsWith("react.js") && !(modules[module].name.indexOf("react-dom") > -1) && !modules[module].name.endsWith(".png")) {
                    references = modules[module].name;
                    rReferencesArray.push(references.substring(references.lastIndexOf("/") + 1, references.lastIndexOf(".")));
                  }
                }
              }
            }
          }

          rReferencesArray = rReferencesArray.filter(function (item, index, inputArray) {
            return inputArray.indexOf(item) == index;
          });

          moduleDetails = {
            "name": rModuleName,
            "references": rReferencesArray,
            "referencedby": rReferencedByArray
          };

          var dre = "";

          data.results.push(moduleDetails);
          moduleDetails = {};
          rReferencesArray = [];
          rReferencedByArray = [];
          referencedBy = "";
          references = "";

          data.results.forEach(function (mod) {
            dre += "'" + mod.name + "':" + JSON.stringify(mod) + ",";
          });
        }
      }

      var dataResult = "{" + dre + "}";
      var mResult = "var mdata = " + dataResult;

      compilation.assets[self.options.filename] = {
        source: function source() {
          return mResult;
        },
        size: function size() {
          return mResult.length;
        }
      };
      callback();
    });
  }
};

module.exports = ModuleStatsPlugin;