Added js linting settings and fixed linting issues

Added editor config

.editorconfig

+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.py]
+indent_size = 4
+
+[*.js]
+indent_size = 2
+
+[*.json]
+indent_size = 2
\ No newline at end of file

frontend/.eslintrc.js

+module.exports = {
+  "env": {
+    "browser": true,
+    "es6": true,
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:react/recommended"
+  ],
+  "parser": "babel-eslint",
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "plugins": [
+    "react"
+  ],
+  "rules": {
+    "indent": [
+      "error",
+      2
+    ],
+    "linebreak-style": [
+      "error",
+      "unix"
+    ],
+    "quotes": [
+      "error",
+      "double"
+    ],
+    "semi": [
+      "error",
+      "always"
+    ],
+    "react/no-unescaped-entities": "warn",
+    "react/prop-types": "warn",
+    "react/no-deprecated": "warn"
+  }
+};

frontend/.eslintrc.yml

-extends: google

frontend/package.json

@@ -4,6 +4,8 @@
   "description": "[![build](/../badges/master/build.svg)](https://gitlab.utc.fr/chehabfl/outgoing_rex/pipelines) [![coverage](/../badges/master/coverage.svg)](https://chehabfl.gitlab.utc.fr/outgoing_rex/) [![License](https://img.shields.io/badge/License-BSD%202--Clause-green.svg)](https://opensource.org/licenses/BSD-2-Clause)",
   "main": "manage.py",
   "scripts": {
+    "lint": "eslint \"./src/**/*.js\"",
+    "lint-fix": "eslint \"./src/**/*.js\" --fix",
     "dev": "webpack --mode development",
     "build": "webpack --mode production",
     "test": "echo \"Error: no test specified\" && exit 1",
@@ -45,6 +47,7 @@
   "devDependencies": {
     "autoprefixer": "^9.1.5",
     "babel-core": "^6.26.3",
+    "babel-eslint": "^10.0.1",
     "babel-loader": "^7.1.5",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-preset-env": "^1.7.0",
@@ -52,8 +55,9 @@
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-1": "^6.24.1",
     "css-loader": "^1.0.0",
-    "eslint": "^5.4.0",
+    "eslint": "^5.13.0",
     "eslint-config-google": "^0.9.1",
+    "eslint-plugin-react": "^7.12.4",
     "file-loader": "^2.0.0",
     "js-yaml-loader": "^1.0.1",
     "mini-css-extract-plugin": "^0.4.2",

frontend/src/actions/action-types.js

-export const SAVE_MAIN_MAP_POSITION = 'SAVE_MAIN_MAP_POSITION';
-export const SAVE_SELECTED_UNIVERSITIES = 'SAVE_SELECTED_UNIVERSITIES';
-export const SAVE_FILTER_CONFIG = 'SAVE_FILTER_CONFIG';
-export const SAVE_APP_THEME = 'SAVE_APP_THEME';
-export const SAVE_APP_COLOR_PICKER = 'SAVE_APP_COLOR_PICKER';
-export const SAVE_UNIVERSITY_BEING_VIEWED = 'SAVE_UNIVERSITY_BEING_VIEWED';
+export const SAVE_MAIN_MAP_POSITION = "SAVE_MAIN_MAP_POSITION";
+export const SAVE_SELECTED_UNIVERSITIES = "SAVE_SELECTED_UNIVERSITIES";
+export const SAVE_FILTER_CONFIG = "SAVE_FILTER_CONFIG";
+export const SAVE_APP_THEME = "SAVE_APP_THEME";
+export const SAVE_APP_COLOR_PICKER = "SAVE_APP_COLOR_PICKER";
+export const SAVE_UNIVERSITY_BEING_VIEWED = "SAVE_UNIVERSITY_BEING_VIEWED";

frontend/src/actions/filter.js

 
 import {
-    SAVE_SELECTED_UNIVERSITIES,
-    SAVE_FILTER_CONFIG
+  SAVE_SELECTED_UNIVERSITIES,
+  SAVE_FILTER_CONFIG
 } from "./action-types";
 
 
 export function saveSelectedUniversities(new_selection) {
-    return {
-        type: SAVE_SELECTED_UNIVERSITIES,
-        new_selection
-    };
+  return {
+    type: SAVE_SELECTED_UNIVERSITIES,
+    new_selection
+  };
 }
 
 export function saveFilterConfig(config) {
-    return {
-        type: SAVE_FILTER_CONFIG,
-        config
-    };
+  return {
+    type: SAVE_FILTER_CONFIG,
+    config
+  };
 }

frontend/src/actions/map.js

 
 import {
-    SAVE_MAIN_MAP_POSITION
+  SAVE_MAIN_MAP_POSITION
 } from "./action-types";
 
 
 export function saveMainMapPosition(new_position) {
-    return {
-        type: SAVE_MAIN_MAP_POSITION,
-        new_position
-    };
+  return {
+    type: SAVE_MAIN_MAP_POSITION,
+    new_position
+  };
 
 }

frontend/src/actions/search.js

 
 import {
-    SAVE_SELECTED_UNIVERSITIES,
-    SAVE_FILTER_CONFIG
+  SAVE_SELECTED_UNIVERSITIES,
+  SAVE_FILTER_CONFIG
 } from "./action-types";
 
 
 export function saveSelectedUniversities(new_selection) {
-    return {
-        type: SAVE_SELECTED_UNIVERSITIES,
-        new_selection
-    };
+  return {
+    type: SAVE_SELECTED_UNIVERSITIES,
+    new_selection
+  };
 }
 
 export function saveFilterConfig(config) {
-    return {
-        type: SAVE_FILTER_CONFIG,
-        config
-    };
+  return {
+    type: SAVE_FILTER_CONFIG,
+    config
+  };
 }

frontend/src/actions/theme.js

 
 import {
-    SAVE_APP_THEME,
-    SAVE_APP_COLOR_PICKER
+  SAVE_APP_THEME,
+  SAVE_APP_COLOR_PICKER
 } from "./action-types";
 
 
 export function saveAppTheme(theme) {
-    return {
-        type: SAVE_APP_THEME,
-        theme
-    };
+  return {
+    type: SAVE_APP_THEME,
+    theme
+  };
 }
 
 export function saveAppColorPicker(s) {
-    return {
-        type: SAVE_APP_COLOR_PICKER,
-        state: s
-    };
+  return {
+    type: SAVE_APP_COLOR_PICKER,
+    state: s
+  };
 }

frontend/src/actions/universityPage.js

 
 import {
-    SAVE_UNIVERSITY_BEING_VIEWED
+  SAVE_UNIVERSITY_BEING_VIEWED
 } from "./action-types";
 
 
 export function saveUniversityBeingViewed(univId) {
-    return {
-        type: SAVE_UNIVERSITY_BEING_VIEWED,
-        univId
-    };
+  return {
+    type: SAVE_UNIVERSITY_BEING_VIEWED,
+    univId
+  };
 }

frontend/src/api/CrudActions.js

@@ -9,7 +9,7 @@ function _isReading(status, type) {
   return {
     type,
     status
-  }
+  };
 }
 
 function _readFailed(failed, error, type) {
@@ -17,7 +17,7 @@ function _readFailed(failed, error, type) {
     type,
     failed,
     error
-  }
+  };
 }
 
 function _readSucceeded(data, type) {
@@ -82,7 +82,7 @@ export default class CrudActions {
       readAllSucceeded,
       this.setInvalidatedAll.bind(this),
       readAllFailed
-    )
+    );
   }
 
 
@@ -116,7 +116,7 @@ export default class CrudActions {
       readSpecificSucceeded,
       this.setInvalidatedSpecific.bind(this),
       readSpecificFailed
-    )
+    );
   }
 
 
@@ -182,7 +182,7 @@ export default class CrudActions {
       isCreating,
       createSucceeded,
       createFailed
-    )
+    );
   }
 
   /**
@@ -218,7 +218,7 @@ export default class CrudActions {
     }
 
     self._checkNotReadonly();
-    if (!'id' in data) {
+    if (!("id" in data)) {
       throw Error("When updating an object, an id is expected in the data");
     }
 
@@ -228,7 +228,7 @@ export default class CrudActions {
       isUpdating,
       updateSucceeded,
       updateFailed
-    )
+    );
   }
 
   ///////////
@@ -246,10 +246,10 @@ export default class CrudActions {
     return {
       type: this.types.isInvalidatedAll,
       isInvalidated: bool
-    }
+    };
   }
 
-   /**
+  /**
    * Function to tell the store that this element has been invalidated relative to "specific"
    *
    * @param {boolean} bool
@@ -260,6 +260,6 @@ export default class CrudActions {
     return {
       type: this.types.isInvalidatedSpecific,
       isInvalidated: bool
-    }
+    };
   }
 }
\ No newline at end of file

frontend/src/api/CrudReducers.js

-import { combineReducers } from 'redux';
+import { combineReducers } from "redux";
 import getCrudActionTypes from "./getCrudActionTypes";
 import SmartActions from "./SmartActions";
 
@@ -6,47 +6,47 @@ import SmartActions from "./SmartActions";
 // generic function helpers
 function failed(state, action, type) {
   switch (action.type) {
-    case type:
-      return {
-        failed: action.failed,
-        error: action.error
-      }
-
-    default:
-      return state;
+  case type:
+    return {
+      failed: action.failed,
+      error: action.error
+    };
+
+  default:
+    return state;
   }
 }
 
 function succeeded(state, action, type) {
   switch (action.type) {
-    case type:
-      return {
-        data: action.data,
-        readAt: (new Date()).getTime()
-      }
-
-    default:
-      return state;
+  case type:
+    return {
+      data: action.data,
+      readAt: (new Date()).getTime()
+    };
+
+  default:
+    return state;
   }
 }
 
 function is(state, action, type) {
   switch (action.type) {
-    case type:
-      return action.status;
+  case type:
+    return action.status;
 
-    default:
-      return state;
+  default:
+    return state;
   }
 }
 
 function invalidate(state, action, type) {
   switch (action.type) {
-    case type:
-      return action.isInvalidated;
+  case type:
+    return action.isInvalidated;
 
-    default:
-      return state;
+  default:
+    return state;
   }
 }
 
@@ -150,7 +150,7 @@ export default class CrudReducers {
       readSucceeded: readSpecificSucceeded,
       readFailed: readSpecificFailed,
       isInvalidated: isInvalidatedSpecific,
-    }
+    };
 
     // Add only appropriate reducers 
     if (this.readOnly !== true) {

frontend/src/api/SmartActions.js

-import Cookies from 'js-cookie';
+import Cookies from "js-cookie";
 
 // TODO uodate parameters name to match new CRUD actions
 
@@ -19,7 +19,7 @@ export default class SmartActions {
   }
 
   /**
-   * Generic function for handling a GET request to the API 
+   * Generic function for handling a GET request to the API
    *
    * @param {string} pk
    * @param {string} api_end_point
@@ -32,11 +32,11 @@ export default class SmartActions {
    * @memberof SmartActions
    */
   _FetchData(pk, api_end_point, _IsLoading, _FetchDataSuccess, _Invalidated, _HasError, pk_required = false) {
-    if (pk_required && (typeof pk == 'undefined')) {
+    if (pk_required && (typeof pk == "undefined")) {
       throw "pk shouldn't be empty when requesting a specific element";
     }
     if (pk != "") {
-      api_end_point += pk + '/';
+      api_end_point += pk + "/";
     }
 
     if (!this.shouldFetchEndPoint(api_end_point)) {
@@ -47,8 +47,8 @@ export default class SmartActions {
 
     return (dispatch) => {
       dispatch(_IsLoading(true));
-      let token = Cookies.get('csrftoken');
-      fetch(api_end_point, { credentials: 'same-origin', headers: { 'X-CSRFToken': token } })
+      let token = Cookies.get("csrftoken");
+      fetch(api_end_point, { credentials: "same-origin", headers: { "X-CSRFToken": token } })
         .then((response) => {
           if (!response.ok) {
             this.fetching.delete(api_end_point);
@@ -74,7 +74,7 @@ export default class SmartActions {
 
 
   /**
-   * Generic function for handling a PUT and POST requests to the API 
+   * Generic function for handling a PUT and POST requests to the API
    *
    * @param {object} data, to update the data, `data` should contains the `id` field.
    * @param {string} api_end_point
@@ -88,26 +88,26 @@ export default class SmartActions {
     return (dispatch) => {
       let method = "POST";
       let pk = "";
-      if ('id' in data) {
+      if ("id" in data) {
         method = "PUT";
-        pk = data.id + '/';
+        pk = data.id + "/";
       }
-      let __apiAttr = '';
-      if ('__apiAttr' in data && data.__apiAttr != '') {
-        __apiAttr = data.__apiAttr + '/';
+      let __apiAttr = "";
+      if ("__apiAttr" in data && data.__apiAttr != "") {
+        __apiAttr = data.__apiAttr + "/";
       }
 
-      let errorStatusText = '';
+      let errorStatusText = "";
 
       dispatch(_ElIsSaving(true));
-      let token = Cookies.get('csrftoken');
+      let token = Cookies.get("csrftoken");
       fetch(api_end_point + __apiAttr + pk, {
         method: method,
-        credentials: 'same-origin',
+        credentials: "same-origin",
         headers: {
-          'Accept': 'application/json',
-          'Content-Type': 'application/json',
-          'X-CSRFToken': token
+          "Accept": "application/json",
+          "Content-Type": "application/json",
+          "X-CSRFToken": token
         },
         body: JSON.stringify(data)
       })
@@ -123,18 +123,19 @@ export default class SmartActions {
           dispatch(_ElIsSaving(false));
         })
         .catch((e) => {
-          if (typeof e.json == 'function') {
-            return e.json()
+          if (typeof e.json == "function") {
+            return e.json();
           } else {
-            return new Promise(function (resolve, reject) { resolve(e) });
+            // eslint-disable-next-line no-unused-vars
+            return new Promise(function (resolve, reject) { resolve(e); });
           }
         })
         .then((errorContent) => {
-          if (typeof errorContent != 'undefined') {
+          if (typeof errorContent != "undefined") {
             dispatch(_ElHasError(true, { message: errorStatusText, content: errorContent }));
             dispatch(_ElIsSaving(false));
           }
-        })
+        });
     };
   }
-}
\ No newline at end of file
+}

frontend/src/api/buildApiActionsAndReducers.js

@@ -14,7 +14,7 @@ const otherAPI = [
     name: "serverModerationStatus",
     api_end_point: "serverModerationStatus"
   }
-]
+];
 
 /**
  * Create api actions and reducers for given the info in each arr obj
@@ -43,7 +43,7 @@ function addAPIs(arr) {
       const reducers = new CrudReducers(apiInfo);
       apiReducersTmp[`${apiInfo.name}All`] = reducers.getCombinedAll();
       apiReducersTmp[`${apiInfo.name}Specific`] = reducers.getCombinedSpecific();
-    })
+    });
 }
 
 addAPIs(otherAPI);

frontend/src/api/getActions.js

 import { apiActions } from "./buildApiActionsAndReducers";
-import CrudActions from "./CrudActions";
 
 /**
- * Function to get the the actions corresponding to an API end point. 
+ * Function to get the the actions corresponding to an API end point.
  *
  * @export
  * @param {string} name
@@ -10,8 +9,8 @@ import CrudActions from "./CrudActions";
  */
 export default function getActions(name) {
   if (!(name in apiActions)) {
-    console.error("available actions", apiActions);
+    console.error("available actions", apiActions); // eslint-disable-line no-console
     throw Error(`Requested api action is not defined, check the name: ${name}`);
   }
   return apiActions[name];
-}
\ No newline at end of file
+}

frontend/src/api/getCrudActionTypes.js

@@ -30,5 +30,5 @@ export default function getCrudActionTypes(name) {
     // Not directly a CRUD action but needed for in app behavior
     isInvalidatedAll: `API_${name}_ALL_INVALIDATED`,
     isInvalidatedSpecific: `API_${name}_SPECIFIC_INVALIDATED`,
-  }
+  };
 } 
\ No newline at end of file

frontend/src/components/App.js

 // Inspired by https://github.com/mui-org/material-ui/tree/master/docs/src/pages/page-layout-examples/dashboard
 
-import React from 'react';
-import PropTypes from 'prop-types';
-import classNames from 'classnames';
-import withStyles from '@material-ui/core/styles/withStyles';
-import CssBaseline from '@material-ui/core/CssBaseline';
-import Drawer from '@material-ui/core/Drawer';
-import List from '@material-ui/core/List';
-import Divider from '@material-ui/core/Divider';
-import IconButton from '@material-ui/core/IconButton';
-import MenuIcon from '@material-ui/icons/Menu';
-import Chip from '@material-ui/core/Chip';
-import Avatar from '@material-ui/core/Avatar';
-import ChevronLeftIcon from '@material-ui/icons/ChevronLeft';
-import SchoolIcon from '@material-ui/icons/School';
-import { mainListItems, secondaryListItems, thirdListItems } from './template/listItems';
+import React from "react";
+import PropTypes from "prop-types";
+import classNames from "classnames";
+import withStyles from "@material-ui/core/styles/withStyles";
+import CssBaseline from "@material-ui/core/CssBaseline";
+import Drawer from "@material-ui/core/Drawer";
+import List from "@material-ui/core/List";
+import Divider from "@material-ui/core/Divider";
+import IconButton from "@material-ui/core/IconButton";
+import MenuIcon from "@material-ui/icons/Menu";
+import Chip from "@material-ui/core/Chip";
+import Avatar from "@material-ui/core/Avatar";
+import ChevronLeftIcon from "@material-ui/icons/ChevronLeft";
+import SchoolIcon from "@material-ui/icons/School";
+import { mainListItems, secondaryListItems, thirdListItems } from "./template/listItems";
 
 import { connect } from "react-redux";
-import CustomComponentForA