feat(attribute): Retrieve an attribute instead of the state (kalkih#564)

* feat(attribute): Retrieve an attribute instead of the state

* Fix lint

Fixes kalkih#411, Fixes kalkih#245, Fixes kalkih#501

.devcontainer/ui-lovelace.yaml

@@ -12,6 +12,12 @@ views:
           - sensor.pressure
         show:
           extrema: true
+      - type: custom:mini-graph-card
+        entities:
+          - entity: weather.home
+            attribute: pressure
+        show:
+          extrema: true
       - type: custom:mini-graph-card
         hours_to_show: 1
         points_per_hour: 60

README.md

@@ -119,6 +119,7 @@ properties of the Entity object detailed in the following table (as per `sensor.
 | Name | Type | Default | Description |
 |------|:----:|:-------:|-------------|
 | entity ***(required)*** | string |  | Entity id of the sensor.
+| attribute | string | | Retrieves an attribute instead of the state
 | name | string |  | Set a custom display name, defaults to entity's friendly_name.
 | color | string |  | Set a custom color, overrides all other color options including thresholds.
 | unit | string |  | Set a custom unit of measurement, overrides `unit` set in base config.

package.json

@@ -22,7 +22,8 @@
     "@kalkih/lz-string": "^1.4.5",
     "custom-card-helpers": "^1.6.6",
     "lit-element": "^2.2.1",
-    "localforage": "^1.7.3"
+    "localforage": "^1.7.3",
+    "spark-md5": "^3.0.1"
   },
   "devDependencies": {
     "@babel/cli": "^7.6.4",
@@ -33,6 +34,7 @@
     "@babel/plugin-transform-spread": "^7.2.2",
     "@babel/plugin-transform-template-literals": "^7.2.0",
     "@babel/preset-env": "^7.3.1",
+    "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-json": "^4.1.0",
     "@semantic-release/changelog": "^5.0.1",
     "@semantic-release/commit-analyzer": "^8.0.1",
@@ -41,6 +43,7 @@
     "@semantic-release/github": "^7.2.0",
     "@semantic-release/npm": "^7.0.9",
     "@semantic-release/release-notes-generator": "^9.0.1",
+    "@types/spark-md5": "^3.0.2",
     "babel-plugin-iife-wrap": "^1.1.0",
     "babel-preset-minify": "^0.5.0",
     "eslint": "^5.3.0",

rollup.config.js

@@ -1,6 +1,7 @@
 import resolve from 'rollup-plugin-node-resolve';
 import json from '@rollup/plugin-json';
 import serve from 'rollup-plugin-serve';
+import commonjs from '@rollup/plugin-commonjs';
 
 const dev = process.env.ROLLUP_WATCH;
 const serveopts = {
@@ -22,6 +23,7 @@ export default {
     sourcemap: dev ? true : false,
   },
   plugins: [
+    commonjs(),
     json({
       include: 'package.json',
       preferConst: true,

src/initialize.js

@@ -14,7 +14,7 @@ localForage.iterate((data, key) => {
   const value = key.endsWith('-raw') ? data : decompress(data);
   const start = new Date();
   start.setHours(start.getHours() - value.hours_to_show);
-  if (new Date(value.last_fetched) < start) {
+  if (data.version !== version || new Date(value.last_fetched) < start) {
     localForage.removeItem(key);
   }