🌈️ apply a wallpaper based on the weather outside
feat(apply): execute Windows script through iex
Angel Wang
(Jun 23, 2026, 5:06 PM -0600)
7dba1cc5
01272db9
+33
-32
+9
-30
src/utils.ts
+9
-30
src/utils.ts
···
35
35
export const applyConfigPath = path.fromFileUrl(`file:///${getConfigPath()}/apply-config.json`)
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export const analyzeConfigPath = path.fromFileUrl(`file:///${getConfigPath()}/analyze-config.json`)
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export const cachePath = path.fromFileUrl(`file:///${getCachePath()}/analysis.json`)
38
-
export const windowsApplyScriptPath = path.fromFileUrl(`file:///${getConfigPath()}/setWallpaper.ps1`)
39
-
40
-
if (!fs.statSync(windowsApplyScriptPath, { throwIfNoEntry: false })) {
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// C# in TypeScript. who would've thought
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-
const command = `
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$imagePath = $args[0]
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$setwallpapersrc = @"
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using System.Runtime.InteropServices;
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public class wallpaper {
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public const int SetDesktopWallpaper = 20;
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public const int UpdateIniFile = 0x01;
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public const int SendWinIniChange = 0x02;
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-
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[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
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private static extern int SystemParametersInfo (int uAction, int uParam, string lpvParam, int fuWinIni);
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-
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public static void SetWallpaper (string path) {
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SystemParametersInfo(SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange);
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}
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}
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"@
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Add-Type -TypeDefinition $setwallpapersrc
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-
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[wallpaper]::SetWallpaper("$imagePath")
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`
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await fs.writeFile(windowsApplyScriptPath, command)
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console.info(`Wrote Windows wallpaper apply script at ${windowsApplyScriptPath}!`)
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}
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38
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export async function loadConfig(pathToConfig: string, defaultConfig: object) {
68
40
let config: object | undefined
···
112
84
return 1 - Math.pow(1 - x, 5)
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85
}
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86
115
-
export function mapEased(number: number, min: number, max: number, newMin: number, newMax: number, func: (n: number) => number) {
87
+
export function mapEased(
88
+
number: number,
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+
min: number,
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+
max: number,
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+
newMin: number,
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+
newMax: number,
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func: (n: number) => number,
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+
) {
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95
return func((number - min) / (max - min)) * (newMax - newMin) + newMin
117
-
}
96
+
}
+24
-2
src/apply/index.ts
+24
-2
src/apply/index.ts
···
98
98
if (Deno.build.os != "windows") {
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await $`eval ${config.applyWallpaperCommand.replace("%s", matchingImage.path)}`
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} else {
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-
const command = new Deno.Command(`pwsh`, { args: [ windowsApplyScriptPath, targetImage.path ], stdout: "piped" } )
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-
command.spawn()
101
+
const command = `
102
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$setwallpapersrc = @"
103
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using System.Runtime.InteropServices;
104
+
public class Wallpaper {
105
+
public const int SetDesktopWallpaper = 20;
106
+
public const int UpdateIniFile = 0x01;
107
+
public const int SendWinIniChange = 0x02;
108
+
109
+
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
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private static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni);
111
+
112
+
public static void SetWallpaper (string path) {
113
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SystemParametersInfo(SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange);
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+
}
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}
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+
"@
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Add-Type -TypeDefinition $setwallpapersrc
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+
119
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[Wallpaper]::SetWallpaper("${matchingImage.path}")
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`
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+
usePowerShell()
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// await $`Write-Host ${command}`
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+
await $`${command} | iex`
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+
}
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+
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console.info(`Success! Enjoy :)`)