Merge pull request #97 from deenter/dark_mode

Add option to enable browser dark mode
sibbl · Dec 2, 2023 · 22e648d · 22e648d
2 parents 56ef990 + 6364bf1
commit 22e648d
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Showing 4 changed files with 5 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -36,6 +36,7 @@ Home Assistant related stuff:
 | `HA_ACCESS_TOKEN`         | `eyJ0...`                             | yes      | no       | Long-lived access token from Home Assistant, see [official docs](https://developers.home-assistant.io/docs/auth_api/#long-lived-access-token)                                                        |
 | `HA_BATTERY_WEBHOOK`      | `set_kindle_battery_level`            | no       | yes      | Webhook definied in HA which receives `batteryLevel` (number between 0-100) and `isCharging` (boolean) as JSON                                                                                       |
 | `LANGUAGE`                | `en`                                  | no       | no       | Language to set in browser and home assistant                                                                                                                                                        |
+| `PREFERS_COLOR_SCHEME`    | `light`                               | no       | no       | Enable browser dark mode, use `light` or `dark`.                                                                                                                                                     |
 | `CRON_JOB`                | `* * * * *`                           | no       | no       | How often to take screenshot                                                                                                                                                                         |
 | `RENDERING_TIMEOUT`       | `10000`                               | no       | no       | Timeout of render process, helpful if your HASS instance might be down                                                                                                                               |
 | `RENDERING_DELAY`         | `0`                                   | no       | yes      | how long to wait between navigating to the page and taking the screenshot, in milliseconds                                                                                                           |

diff --git a/config.js b/config.js
@@ -30,6 +30,7 @@ function getPagesConfig() {
       whiteLevel: getEnvironmentVariable("WHITE_LEVEL", suffix) || "100%",
       dither: getEnvironmentVariable("DITHER", suffix) || false,
       colorMode: getEnvironmentVariable("COLOR_MODE", suffix) || "GrayScale",
+      prefersColorScheme: getEnvironmentVariable("PREFERS_COLOR_SCHEME", suffix) || "light",
       rotation: getEnvironmentVariable("ROTATION", suffix) || 0,
       scaling: getEnvironmentVariable("SCALING", suffix) || 1,
       batteryWebHook: getEnvironmentVariable("HA_BATTERY_WEBHOOK", suffix) || null,

diff --git a/config.yaml b/config.yaml
@@ -36,6 +36,7 @@ options:
   SCALING: '1'
   GRAYSCALE_DEPTH: '8'
   COLOR_MODE: 'GrayScale'
+  PREFERS_COLOR_SCHEME: 'light'
   HA_BATTERY_WEBHOOK: ''
 schema:
   HA_BASE_URL: "url"
@@ -52,6 +53,7 @@ schema:
   SCALING: "int"
   GRAYSCALE_DEPTH: "int"
   COLOR_MODE: "list(GrayScale|TrueColor)?"
+  PREFERS_COLOR_SCHEME: "list(light|dark)?"
   HA_BATTERY_WEBHOOK: "str"
 environment:
   output_path: "/output/cover.png"
diff --git a/index.js b/index.js
@@ -234,7 +234,7 @@ async function renderUrlToImageAsync(browser, pageConfig, url, path) {
     await page.emulateMediaFeatures([
       {
         name: "prefers-color-scheme",
-        value: "light"
+        value: `${pageConfig.prefersColorScheme}`
       }
     ]);