💅 use const for top-level constants in demos

Author: cowboyd

demo/inline-region.ts

@@ -28,22 +28,22 @@ import {
 import { cursor, settings } from "../settings.ts";
 import { validated } from "../validate.ts";
 
-let encode = (s: string) => new TextEncoder().encode(s);
-let write = (b: Uint8Array) => Deno.stdout.writeSync(b);
-
-let GREEN = rgba(80, 250, 123);
-let GRAY = rgba(100, 100, 100);
-let CYAN = rgba(139, 233, 253);
-
-let RED = rgba(255, 0, 0);
-let ORANGE = rgba(255, 153, 0);
-let YELLOW = rgba(255, 255, 0);
-let NGREEN = rgba(51, 255, 0);
-let BLUE = rgba(0, 153, 255);
-let VIOLET = rgba(102, 0, 255);
-let RAINBOW = [RED, ORANGE, YELLOW, NGREEN, BLUE, VIOLET];
-
-let BRAILLE = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
+const encode = (s: string) => new TextEncoder().encode(s);
+const write = (b: Uint8Array) => Deno.stdout.writeSync(b);
+
+const GREEN = rgba(80, 250, 123);
+const GRAY = rgba(100, 100, 100);
+const CYAN = rgba(139, 233, 253);
+
+const RED = rgba(255, 0, 0);
+const ORANGE = rgba(255, 153, 0);
+const YELLOW = rgba(255, 255, 0);
+const NGREEN = rgba(51, 255, 0);
+const BLUE = rgba(0, 153, 255);
+const VIOLET = rgba(102, 0, 255);
+const RAINBOW = [RED, ORANGE, YELLOW, NGREEN, BLUE, VIOLET];
+
+const BRAILLE = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
 
 function* queryCursor(): Operation<CursorEvent> {
   let parser = yield* until(createInput({ escLatency: 100 }));

demo/keyboard.ts

@@ -33,15 +33,15 @@ import {
 import { useInput } from "./use-input.ts";
 import { useStdin } from "./use-stdin.ts";
 
-let active = rgba(60, 120, 220);
-let inactive = rgba(50, 50, 60);
-let on = rgba(40, 180, 80);
-let label = rgba(220, 220, 220);
-let dim = rgba(100, 100, 120);
-let highlight = rgba(255, 220, 80);
+const active = rgba(60, 120, 220);
+const inactive = rgba(50, 50, 60);
+const on = rgba(40, 180, 80);
+const label = rgba(220, 220, 220);
+const dim = rgba(100, 100, 120);
+const highlight = rgba(255, 220, 80);
 
-let KEY_W = 5;
-let GAP = 1;
+const KEY_W = 5;
+const GAP = 1;
 
 interface KeyDef {
   label: string;
@@ -58,7 +58,7 @@ function matches(k: KeyDef, event: InputEvent | PointerEvent): boolean {
     event.code.toUpperCase() === k.code.toUpperCase();
 }
 
-let hovered = rgba(80, 80, 100);
+const hovered = rgba(80, 80, 100);
 
 function key(ops: Op[], k: KeyDef, ctx: AppContext): void {
   let pressed = ctx.event && matches(k, ctx.event);
@@ -328,7 +328,7 @@ function toggle(ops: Op[], enabled: boolean, name: string): void {
   );
 }
 
-let flagNames:
+const flagNames:
   (keyof Omit<AppContext, "mode" | "event" | "logged" | "log" | "entered">)[] =
     [
       "Disambiguate escape codes",
@@ -338,7 +338,7 @@ let flagNames:
       "Report associated text",
     ];
 
-let logEntries: { key: string; name: keyof EventFilter }[] = [
+const logEntries: { key: string; name: keyof EventFilter }[] = [
   { key: "a", name: "keydown" },
   { key: "b", name: "keyup" },
   { key: "c", name: "keyrepeat" },