Partially use strict types mode, add strictNullChecks

.eslintrc.yaml

@@ -12,9 +12,6 @@ rules:
   comma-dangle: 0
   import/no-unresolved: 0
   valid-jsdoc: 0
-  '@openlayers/valid-tsdoc':
-    - error
-    - requireReturn: false
   max-len:
     - error
     - code: 110

.jshintrc

@@ -1,3 +1,4 @@
 {
-  "esversion": 6
+  "esversion": 6,
+  "-W014": true
 }

.travis.yml

@@ -67,7 +67,7 @@ script:
 - '! (npm run typecheck|sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[mGK]//g"|grep ^src)'
 - '! (npm run typecheck|grep api)'
 - '! (npm run typecheck|grep gmf)'
-- '! (npm run typecheck|grep test)'
+- '! (npm run typecheck|grep test/)'
 - '! (npm run typecheck|grep examples)'
 - npm run doc
 - npm run build-api

api/src/Map.js

@@ -36,6 +36,13 @@ import {getFeaturesFromLayer} from './Querent.js';
 import * as themes from './Themes.js';
 
 
+/**
+ * @typedef {Object} MarkerOptions
+ * @property {[number, number]} [position]
+ * @property {string} [icon]
+ */
+
+
 /**
  * @private
  * @hidden
@@ -51,7 +58,9 @@ class Map {
    * TODO: more options
    */
   constructor(options) {
-
+    if (!constants.extent) {
+      throw new Error('Missing extent');
+    }
     /**
      * @private
      * @type {View}
@@ -95,11 +104,15 @@ class Map {
       }));
     }
     if (options.addMiniMap) {
+      const resolutions = this.view_.getResolutions();
+      if (!resolutions) {
+        throw new Error('Missing resolutions');
+      }
       this.map_.addControl(new OverviewMap({
         collapsed: !options.miniMapExpanded,
         view: new View({
           projection: this.view_.getProjection(),
-          resolutions: this.view_.getResolutions()
+          resolutions
         })
       }));
     }
@@ -153,7 +166,7 @@ class Map {
         const hasDescription = feature.get('description') !== undefined;
         return hasId && hasTitle && hasDescription;
       },
-      style: () => null
+      style: () => []
     });
     this.map_.addInteraction(this.selectInteraction_);
 
@@ -200,21 +213,27 @@ class Map {
   }
 
   /**
-   * @param {Object} options Options.
+   * @param {MarkerOptions} options Options.
    * @property {import("ol/coordinate.js").Coordinate} position
    * @property {string} [icon]
    * @property {import("ol/size.js").Size} [size]
    */
   addMarker(options = {}) {
+    const position = options.position ? options.position : this.view_.getCenter();
+    if (!position) {
+      throw new Error('Missing positon');
+    }
     const marker = new Feature({
-      geometry: new Point(options.position ? options.position : this.view_.getCenter())
+      geometry: new Point(position)
     });
     if (options.icon) {
       // FIXME: use size?
+      const image = new Icon({
+        src: options.icon
+      });
+      // @ts-ignore: OL issue
       marker.setStyle(new Style({
-        image: new Icon({
-          src: options.icon
-        })
+        image
       }));
     }
     this.vectorSource_.addFeature(marker);
@@ -267,7 +286,11 @@ class Map {
       .then((text) => {
         const attr = options.attr || ['title', 'description'];
         const lines = text.split(/\r\n|\r|\n/);
-        const columns = lines.shift().split('\t');
+        const shiftedLines = lines.shift();
+        if (!shiftedLines) {
+          throw new Error('Missing shiftedLines');
+        }
+        const columns = shiftedLines.split('\t');
         for (const line of lines) {
           if (line) {
             const values = zip(columns, line.split('\t'));
@@ -276,10 +299,14 @@ class Map {
             });
             marker.setProperties(filterByKeys(values, attr));
             marker.setId(values.id);
+            // FIXME: handle values.iconSize
+            // FIXME: handle values.iconOffset
+            const image = new Icon({
+              src: values.icon
+            });
+            // @ts-ignore: OL issue
             marker.setStyle(new Style({
-              image: new Icon({
-                src: values.icon
-              })
+              image
             }));
             this.vectorSource_.addFeature(marker);
           }
@@ -308,7 +335,14 @@ class Map {
         feature.getGeometry()
       ).getCoordinates();
       const properties = feature.getProperties();
-      const content = this.overlay_.getElement().querySelector('.ol-popup-content');
+      const element = this.overlay_.getElement();
+      if (!element) {
+        throw new Error('Missing element');
+      }
+      const content = element.querySelector('.ol-popup-content');
+      if (!content) {
+        throw new Error('Missing content');
+      }
       content.innerHTML = '';
       content.innerHTML += `<div><b>${properties.title}</b></div>`;
       content.innerHTML += `<p>${properties.description}</p>`;

api/src/Themes.js

@@ -19,6 +19,9 @@ let themesPromise;
  */
 function getThemesPromise() {
   if (!themesPromise) {
+    if (!constants.themesUrl) {
+      throw new Error('Missing constants.themesUrl');
+    }
     themesPromise = fetch(constants.themesUrl).then(response => response.json());
   }
   return themesPromise;
@@ -72,6 +75,7 @@ export function getBackgroundLayers() {
             const layerWMS = /** @type {import('gmf/themes.js').GmfLayerWMS} */ (child);
             return createWMSLayer(layerWMS, themes.ogcServers[child.ogcServer]);
           }
+          throw new Error('Unknow layer type');
         }));
         promises.push(
           groupPromise.then((layers) => {
@@ -123,14 +127,13 @@ export function getOverlayDefs() {
 /**
  * @param {Object} config Config
  * @param {import('gmf/themes.js').GmfOgcServers} ogcServers OGC servers
- * @param {import('gmf/themes.js').GmfOgcServer} [opt_ogcServer]  OGC server
+ * @param {import('gmf/themes.js').GmfOgcServer} [opt_ogcServer] OGC server
  * @returns {void}
  * @hidden
  */
 export function writeOverlayDefs(config, ogcServers, opt_ogcServer) {
   const group = /** @type {import('gmf/themes.js').GmfGroup} */(config);
-  const ogcServer = opt_ogcServer ? opt_ogcServer :
-    group.ogcServer ? ogcServers[group.ogcServer] : undefined;
+  const ogcServer = opt_ogcServer ? opt_ogcServer : ogcServers[group.ogcServer];
   if (group.children) {
     for (const childConfig of group.children) {
       writeOverlayDefs(childConfig, ogcServers, ogcServer);
@@ -187,15 +190,17 @@ export function getOverlayLayers(layerNames) {
  * @hidden
  */
 export function createWMSLayer(config, ogcServer) {
+  const source = new ImageWMS({
+    url: ogcServer.url,
+    projection: undefined, // should be removed in next OL version
+    params: {
+      'LAYERS': config.layers
+    },
+    serverType: ogcServer.type
+  });
+  // @ts-ignore: OL issue
   const layer = new ImageLayer({
-    source: new ImageWMS({
-      url: ogcServer.url,
-      projection: undefined, // should be removed in next OL version
-      params: {
-        'LAYERS': config.layers
-      },
-      serverType: ogcServer.type
-    })
+    source
   });
   layer.set('title', config.name);
   return Promise.resolve(layer);
@@ -213,6 +218,9 @@ export function createWMTSLayer(config) {
       layer: config.layer,
       matrixSet: config.matrixSet
     });
+    if (!options) {
+      throw new Error('Missing options');
+    }
     const source = new WMTS(options);
     source.updateDimensions(config.dimensions);
     const layer = new TileLayer({

api/src/constants.js

@@ -1,14 +1,23 @@
 import EPSG21781 from '@geoblocks/proj/src/EPSG_21781.js';
 
 
-export default {
-  themesUrl: undefined,
+/**
+ * @typedef {Object} APIConfig
+ * @property {?string} themesUrl
+ * @property {string} projection
+ * @property {Array<number>} resolutions
+ * @property {?[number, number, number, number]} extent
+ * @property {string} backgroundLayer
+ */
+
+export default /** @type {APIConfig} */({
+  themesUrl: null,
   projection: EPSG21781,
   resolutions: [250, 100, 50, 20, 10, 5, 2, 1, 0.5, 0.25, 0.1, 0.05],
-  extent: undefined,
+  extent: null,
   /**
    * The name of the layer to use as background. May be a single value
    * (WMTS) or a comma-separated list of layer names (WMS).
    */
   backgroundLayer: 'orthophoto',
-};
+});

contribs/gmf/examples/datepicker.js

@@ -41,8 +41,6 @@ function MainController($scope, ngeoWMSTime) {
     widget: TimePropertyWidgetEnum.DATEPICKER,
     maxValue: '2013-12-31T00:00:00Z',
     minValue: '2006-01-01T00:00:00Z',
-    maxDefValue: null,
-    minDefValue: null,
     resolution: TimePropertyResolutionEnum.DAY,
     mode: TimePropertyModeEnum.RANGE,
     interval: [0, 1, 0, 0]
@@ -55,8 +53,6 @@ function MainController($scope, ngeoWMSTime) {
     widget: /** @type {TimePropertyWidgetEnum} */ ('datepicker'),
     maxValue: '2015-12-31T00:00:00Z',
     minValue: '2014-01-01T00:00:00Z',
-    maxDefValue: null,
-    minDefValue: null,
     resolution: /** @type {TimePropertyResolutionEnum}*/ ('month'),
     mode: /** @type {TimePropertyModeEnum} */ ('value'),
     interval: [0, 1, 0, 0]
@@ -65,12 +61,12 @@ function MainController($scope, ngeoWMSTime) {
   /**
    * @type {string}
    */
-  this.value;
+  this.value = '';
 
   /**
    * @type {string}
    */
-  this.rangeValue;
+  this.rangeValue = '';
 
   this.onDateSelected = function(date) {
     this.value = this.ngeoWMSTime_.formatWMSTimeParam(this.wmsTimeValueMode, date);
@@ -79,11 +75,9 @@ function MainController($scope, ngeoWMSTime) {
   this.onDateRangeSelected = function(date) {
     this.rangeValue = this.ngeoWMSTime_.formatWMSTimeParam(this.wmsTimeRangeMode, date);
   };
-
 }
 
 
 module.controller('MainController', MainController);
 
-
 export default module;

contribs/gmf/examples/editfeature.js

@@ -78,6 +78,7 @@ function MainController($scope, gmfEditFeature, gmfUser) {
    * @type {import("ol/layer/Image.js").default}
    * @private
    */
+  // @ts-ignore: OL issue
   this.wmsLayer_ = new olLayerImage({
     source: this.wmsSource_
   });
@@ -95,7 +96,7 @@ function MainController($scope, gmfEditFeature, gmfUser) {
   this.layerId_ = 113;
 
   /**
-   * @type {import("ol/Feature.js").default}
+   * @type {?import("ol/Feature.js").default}
    */
   this.feature = null;
 
@@ -143,6 +144,9 @@ MainController.prototype.handleMapSingleClick_ = function(evt) {
   const map = this.map;
   const view = map.getView();
   const resolution = view.getResolution();
+  if (!resolution) {
+    throw new Error('Missing resolution');
+  }
   const buffer = resolution * this.pixelBuffer_;
   const extent = olExtent.buffer(
     [coordinate[0], coordinate[1], coordinate[0], coordinate[1]],
@@ -186,6 +190,9 @@ MainController.prototype.insertFeature = function() {
   const map = this.map;
   const view = map.getView();
   const resolution = view.getResolution();
+  if (!resolution) {
+    throw new Error('Missing resolution');
+  }
   const buffer = resolution * -50; // 50 pixel buffer inside the extent
   const size = /** @type {!Array.<number>} */ (map.getSize());
   const extent = olExtent.buffer(
@@ -226,8 +233,9 @@ MainController.prototype.insertFeature = function() {
  * Update the currently selected feature with a new name.
  */
 MainController.prototype.updateFeature = function() {
-
-  console.assert(this.feature);
+  if (!this.feature) {
+    throw new Error('Missing feature');
+  }
 
   this.pending = true;
 
@@ -248,8 +256,9 @@ MainController.prototype.updateFeature = function() {
  * Delete currently selected feature.
  */
 MainController.prototype.deleteFeature = function() {
-
-  console.assert(this.feature);
+  if (!this.feature) {
+    throw new Error('Missing feature');
+  }
 
   // (1) Launch request
   this.editFeature_.deleteFeature(

contribs/gmf/examples/layertree.js

@@ -193,6 +193,7 @@ function MainController(gmfTreeManager, gmfThemes, gmfThemeManager, ngeoLocation
       if (n.id === node.id) {
         return alreadyAdded = true;
       }
+      return false;
     });
     if (!alreadyAdded) {
       nodes.push(node);

contribs/gmf/examples/layertreeadd.js

@@ -193,6 +193,7 @@ function MainController(gmfTreeManager, gmfThemes, gmfThemeManager, ngeoLocation
       if (n.id === node.id) {
         return alreadyAdded = true;
       }
+      return false;
     });
     if (!alreadyAdded) {
       nodes.push(node);

contribs/gmf/examples/lidarprofile.js

@@ -32,7 +32,7 @@ module.value('pytreeLidarprofileJsonUrl', 'https://sitn.ne.ch/pytree');
  */
 function MainController($scope) {
   /**
-   * @type {import("ol/geom/LineString.js").default}
+   * @type {?import("ol/geom/LineString.js").default}
    */
   this.profileLine = null;