diff --git a/.eslintrc.js b/.eslintrc.js
index 8c8cf57..6482350 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -7,6 +7,12 @@ module.exports = {
   rules: {
     "no-console": process.env.NODE_ENV === "production" ? "error" : "warn",
     "no-debugger": process.env.NODE_ENV === "production" ? "error" : "warn",
+    "max-len": [
+      "error",
+      {
+        ignoreUrls: true,
+      },
+    ],
     "prettier/prettier": [
       "error",
       {
diff --git a/src/api.js b/src/api.js
index 4ede0ea..d17f160 100644
--- a/src/api.js
+++ b/src/api.js
@@ -55,7 +55,8 @@ export const getUsers = async () => {
  * Get all devices for the provided users.
  *
  * @param {Array.<User>} users Array of usernames
- * @returns {Object.<User, Array.<Device>>} Object mapping each username to an array of device names
+ * @returns {Object.<User, Array.<Device>>}
+ *   Object mapping each username to an array of device names
  */
 export const getDevices = async users => {
   const devices = {};
@@ -119,10 +120,12 @@ export const getUserDeviceLocationHistory = async (
 /**
  * Get the location history of multiple devices.
  *
- * @param {Object.<User, Array.<Device>>} devices Devices of which the history should be fetched
+ * @param {Object.<User, Array.<Device>>} devices
+ *   Devices of which the history should be fetched
  * @param {String} start Start date and time in UTC
  * @param {String} end End date and time in UTC
- * @returns {Object.<User, Object.<Device, LocationHistory>>} Array of location history objects
+ * @returns {Object.<User, Object.<Device, LocationHistory>>}
+ *   Array of location history objects
  */
 export const getLocationHistory = async (devices, start, end) => {
   const locationHistory = {};
@@ -145,7 +148,8 @@ export const getLocationHistory = async (devices, start, end) => {
 };
 
 /**
- * Connect to the WebSocket API, reconnect when necessary and handle received messages.
+ * Connect to the WebSocket API, reconnect when necessary and handle received
+ * messages.
  *
  * @param {webSocketLocationCallback} [callback] Callback for location messages
  */
diff --git a/src/components/LDeviceLocationPopup.vue b/src/components/LDeviceLocationPopup.vue
index f36334b..4071769 100644
--- a/src/components/LDeviceLocationPopup.vue
+++ b/src/components/LDeviceLocationPopup.vue
@@ -126,7 +126,8 @@ export default {
   },
   computed: {
     /**
-     * Return the face image as a data URI string which can be used for an image's src attribute.
+     * Return the face image as a data URI string which can be used for an
+     * image's src attribute.
      *
      * @returns {String} base64-encoded face image data URI
      */
@@ -134,7 +135,8 @@ export default {
       return `data:image/png;base64,${this.face}`;
     },
     /**
-     * Return the device name for displaying with <user identifier>/<device identifier> as fallback.
+     * Return the device name for displaying with <user identifier>/<device
+     * identifier> as fallback.
      *
      * @returns {String} device name for displaying
      */
diff --git a/src/store/getters.js b/src/store/getters.js
index 0bfaefb..380a1c4 100644
--- a/src/store/getters.js
+++ b/src/store/getters.js
@@ -12,7 +12,8 @@ import { distanceBetweenCoordinates } from "@/util";
  * array of all coordinates.
  *
  * @param {State} state
- * @param {MultiLocationHistory} state.locationHistory Location history of selected users and devices
+ * @param {MultiLocationHistory} state.locationHistory
+ *   Location history of selected users and devices
  * @returns {Array.<L.LatLng>} All coordinates
  */
 const locationHistoryLatLngs = state => {
@@ -33,7 +34,8 @@ const locationHistoryLatLngs = state => {
  * coordinates does not exceed `config.map.maxPointDistance`.
  *
  * @param {State} state
- * @param {MultiLocationHistory} state.locationHistory Location history of selected users and devices
+ * @param {MultiLocationHistory} state.locationHistory
+ *   Location history of selected users and devices
  * @returns {Array.<Array.<L.LatLng>>} Groups of coherent coordinates
  */
 const locationHistoryLatLngGroups = state => {
diff --git a/src/types.js b/src/types.js
index 7d91d3e..f479a5d 100644
--- a/src/types.js
+++ b/src/types.js
@@ -1,3 +1,5 @@
+/* eslint max-len: 0 */
+
 /**
  * A coordinate with latitude and longitude.
  *