expose option to decode domain values

.travis.yml

@@ -1,7 +1,9 @@
 language: node_js
+notifications:
+  email: false
 node_js:
-- 6
-- 8
+-8
+-10
 cache:
   directories:
     - node_modules

docs/examples/bar-domain.json

@@ -0,0 +1,40 @@
+{
+  "type": "bar",
+  "datasets": [
+    {
+      "url": "http://sampleserver6.arcgisonline.com/arcgis/rest/services/NapervilleShelters/MapServer/0",
+      "name": "sheltcap",
+      "query": {
+        "where": "facname = 'WHITE EAGLE ELEMENTARY' OR facname = 'FRY ELEMENTARY SCHOOL'"
+      },
+      "domains": {
+        "sheltstat": {
+          "type": "codedValue",
+          "name": "ShelterCode",
+          "description": "Shelter Codes",
+          "codedValues": [
+            {
+              "name": "Open",
+              "code": 1
+            },
+            {
+              "name": "Closed",
+              "code": 2
+            },
+            {
+              "name": "Full",
+              "code": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "series": [
+    {
+      "category": {"field": "sheltstat", "label": "Status"},
+      "value": {"field": "sheltcap", "label": "Shelter Capacity"},
+      "source": "sheltcap"
+    }
+  ]
+}

docs/index.html

@@ -117,7 +117,7 @@ <h3>Chart Type</h3>
       editor.getSession().setMode("ace/mode/json");
 
       // build list off styles
-      var styles = ["bar", "bar-grouped", "bar-stacked", "bar-horizontal", "radar", "bubble", "area", "line", "pie", "scatter"];
+      var styles = [ "bar", "bar-grouped", "bar-stacked", "bar-horizontal", "bar-domain", "radar", "bubble", "area", "line", "pie", "scatter" ];
       buildMenu(styles);
 
       // initialize editor to default style

packages/cedar/package.json

@@ -63,9 +63,9 @@
     "mapCoverage": true
   },
   "dependencies": {
-    "@esri/arcgis-rest-common-types": "^1.7.1",
-    "@esri/arcgis-rest-feature-service": "^1.7.1",
-    "@esri/arcgis-rest-request": "^1.7.1",
+    "@esri/arcgis-rest-common-types": "^1.14.1",
+    "@esri/arcgis-rest-feature-service": "^1.14.1",
+    "@esri/arcgis-rest-request": "^1.14.1",
     "@esri/cedar-amcharts": "^1.0.0-beta.9"
   },
   "devDependencies": {

packages/cedar/src/Chart.ts

@@ -1,5 +1,5 @@
 import { cedarAmCharts } from '@esri/cedar-amcharts'
-import { getChartData, IDataset, IField, ISeries } from './dataset'
+import { getChartData, IDataset, ISeries } from './dataset'
 import { queryDatasets } from './query/query'
 
 function clone(json) {

packages/cedar/src/dataset.ts

@@ -5,12 +5,30 @@ export interface IField {
   label?: string
 }
 
+// TODO: move this and IDomain(s) to rest-js
+export interface ICodedValue {
+  name: string,
+  code: string | number
+}
+
+export interface IDomain {
+  type: string,
+  name: string,
+  description?: string,
+  codedValues?: ICodedValue[]
+}
+
+export interface IDomains {
+  [index: string]: IDomain
+}
+
 export interface IDataset {
   name: string,
   url?: string,
   data?: IFeatureSet | Array<{}>,
   query?: {},
-  join?: string
+  join?: string,
+  domains?: IDomains
 }
 
 // TODO: move to series.ts?
@@ -66,7 +84,7 @@ function getDatasetData(dataset, datasetsData, name?) {
 // return only the attributes for each feature
 function flattenData(data) {
   const features = getFeatures(data)
-  if ((features[0] as IFeature).attributes) {
+  if (features.length > 0 && (features[0] as IFeature).attributes) {
     // these really are features, flatten them before
     return features.map(getAttributes)
   } else {

packages/cedar/src/query/query.ts

@@ -1,4 +1,10 @@
-import { IQueryFeaturesRequestOptions, queryFeatures } from '@esri/arcgis-rest-feature-service'
+import {
+  decodeValues,
+  IDecodeValuesRequestOptions,
+  IQueryFeaturesRequestOptions,
+  IQueryFeaturesResponse,
+  queryFeatures
+} from '@esri/arcgis-rest-feature-service'
 import config from '../config'
 import { IDataset } from '../dataset'
 import { createQueryParams } from './url'
@@ -13,6 +19,7 @@ export function queryDatasets(datasets: IDataset[]) {
       if (dataset.url) {
         // TODO: make name required on datasets, or required if > 1 dataset?
         names.push(dataset.name || `dataset${i}`)
+
         const queryParams = createQueryParams(dataset.query)
         const options: IQueryFeaturesRequestOptions = {
           url: dataset.url,
@@ -23,15 +30,34 @@ export function queryDatasets(datasets: IDataset[]) {
           // send that along to rest-js
           options.fetch = config.fetch
         }
-        requests.push(queryFeatures(options))
+        requests.push(
+          queryFeatures(options)
+            .then((queryResponse: IQueryFeaturesResponse) => {
+              const { domains } = dataset
+              const fields: any[] = domains && Object.keys(domains).map((name) => ({ name, domain: domains[name]}))
+              // for now, we only decode CVDs when an array of fields is passed describing codes and names
+              if (fields && fields.length > 0) {
+                const decodeOptions: IDecodeValuesRequestOptions = {
+                  url: options.url,
+                  queryResponse,
+                  // TODO: decodeValues() should take `domains?: IDomains` as an alternative to `fields?: IField[]`
+                  fields,
+                  fetch: config.fetch
+                }
+                return decodeValues(decodeOptions)
+              } else {
+                return queryResponse
+              }
+            })
+        )
       }
     })
   }
   return Promise.all(requests)
   .then((responses) => {
     // turn the array of responses into a hash keyed off the dataset names
     const responseHash = responses.reduce((hash, response, i) => {
-      hash[names[i]] = responses[i]
+      hash[names[i]] = response
       return hash
     }, {})
     return Promise.resolve(responseHash)

yarn.lock

@@ -16,19 +16,22 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-"@esri/arcgis-rest-common-types@^1.7.1":
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-common-types/-/arcgis-rest-common-types-1.7.1.tgz#6b0afa228c538eb15c6ec80097fd63d80f9705d0"
+"@esri/arcgis-rest-common-types@^1.14.1":
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-common-types/-/arcgis-rest-common-types-1.14.1.tgz#7f25b767dc2e5713c830690da2aed5a0e6a796f6"
+  integrity sha512-yWtuxTv88ZKKw4vWF+KD2C1WW9FGc5OIRME/bXiRdvYdkcx5uaM7sbUXZ43Z4rX6ZqFyLPsTlgrYPTgHeYVHlg==
 
-"@esri/arcgis-rest-feature-service@^1.7.1":
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-feature-service/-/arcgis-rest-feature-service-1.7.1.tgz#7f08db72b127ac4c8c1eea23225b079d569e5692"
+"@esri/arcgis-rest-feature-service@^1.14.1":
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-feature-service/-/arcgis-rest-feature-service-1.14.1.tgz#fc67aa86077a2488083acce2afc49842ac7abeca"
+  integrity sha512-RD6OHzCbqUl5GLpS3B0rAM3P07cXT3bZswKRf+VdRACobXUZtMwv57SbcqeUXDcfYElUZ/sZ80YWw/vnGMSlDQ==
   dependencies:
     tslib "^1.7.1"
 
-"@esri/arcgis-rest-request@^1.7.1":
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-request/-/arcgis-rest-request-1.7.1.tgz#55e400bd98d8417f59a2fede4a96d3034f735412"
+"@esri/arcgis-rest-request@^1.14.1":
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/@esri/arcgis-rest-request/-/arcgis-rest-request-1.14.1.tgz#add564606ebf2ed56cb74a27606c52d0a5d25f44"
+  integrity sha512-orHfY29vSRY4HTMRTHwOgph/I/mkPbo9U4nLW1mzv7RgbCmKR2wU0gu25+Abf9v4UvQ+fFo9TfK8jZ27+EjlCg==
   dependencies:
     tslib "^1.7.1"