feat: add justfile

libraries/deno-commons-mod.ts

@@ -42,25 +42,21 @@ export function isOn(val: string | undefined | null): boolean {
         lowerVal === "true";
 }
 
-export async function getEnv(key: string): Promise<string | null> {
+export function getEnv(envKey: string): string | null {
     const homeDir = getHomeDir();
-    if ((homeDir !== null) && key) {
-        const envValue = await readFileToString(
-            `${homeDir}/.config/envs/${key}`,
+    if ((homeDir !== null) && envKey) {
+        const envValue = readFileToStringSync(
+            `${homeDir}/.config/envs/${envKey}`,
         );
         if (envValue !== null) {
             return envValue.trim();
         }
     }
-    return Deno.env.get(key) || null;
+    return Deno.env.get(envKey) || null;
 }
 
 export function isEnvOn(envKey: string): boolean {
-    return isOn(Deno.env.get(envKey));
-}
-
-export async function isEnvOnAsync(envKey: string): Promise<boolean> {
-    return isOn(await getEnv(envKey));
+    return isOn(getEnv(envKey));
 }
 
 export function formatHumanTime(timeMillis: number): string {
@@ -311,6 +307,17 @@ export async function readFileToString(
     }
 }
 
+export function readFileToStringSync(filename: string): string | null {
+    try {
+        return Deno.readTextFileSync(resolveFilename(filename));
+    } catch (e) {
+        if (e instanceof Error && e.name == "NotFound") {
+            return null;
+        }
+        throw e;
+    }
+}
+
 export async function writeStringToFile(
     filename: string,
     data: string | null,