fix const ordering

Author: jbolda

examples/inline-regions/index.ts

@@ -31,6 +31,23 @@ import {
 import { cursor, settings } from "../../settings.ts";
 import { validated } from "../../validate.ts";
 
+const encode = (s: string) => new TextEncoder().encode(s);
+const write = (b: Uint8Array) => process.stdout.write(Buffer.from(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 = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"];
+
 await main(function* () {
   let { columns } = terminalSize();
   setRawMode(true);
@@ -246,30 +263,25 @@ function setRawMode(enabled: boolean): void {
   }
 }
 
-const encode = (s: string) => new TextEncoder().encode(s);
-const write = (b: Uint8Array) => process.stdout.write(Buffer.from(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 }));
   write(DSR());
 
   let buf = Buffer.allocUnsafe(32);
   while (true) {
-    let n = readSync(process.stdin.fd, buf, 0, buf.length, null);
+    let n: number;
+    try {
+      n = readSync(process.stdin.fd, buf, 0, buf.length, null);
+    } catch (error) {
+      if (
+        error && typeof error === "object" &&
+        ("code" in error && (error.code === "EAGAIN" || error.code === "EINTR"))
+      ) {
+        continue;
+      }
+      throw error;
+    }
+
     if (n === 0) continue;
     let result = parser.scan(buf.subarray(0, n));
     for (let ev of result.events) {
@@ -283,7 +295,19 @@ function* queryCursor(): Operation<CursorEvent> {
 function waitKey(): void {
   let buf = Buffer.allocUnsafe(32);
   while (true) {
-    let n = readSync(process.stdin.fd, buf, 0, buf.length, null);
+    let n: number;
+    try {
+      n = readSync(process.stdin.fd, buf, 0, buf.length, null);
+    } catch (error) {
+      if (
+        error && typeof error === "object" &&
+        ("code" in error && (error.code === "EAGAIN" || error.code === "EINTR"))
+      ) {
+        continue;
+      }
+      throw error;
+    }
+
     if (n === 0) continue;
     for (let i = 0; i < n; i++) {
       if (buf[i] === 0x03) {

examples/keyboard/index.ts

@@ -35,6 +35,40 @@ import {
 import { useInput } from "./use-input.ts";
 import { useStdin } from "./use-stdin.ts";
 
+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);
+
+const KEY_W = 5;
+const GAP = 1;
+const hovered = rgba(80, 80, 100);
+
+const flagNames:
+  (keyof Omit<AppContext, "mode" | "event" | "logged" | "log" | "entered">)[] = [
+    "Disambiguate escape codes",
+    "Report event types",
+    "Report alternate keys",
+    "Report all keys as escapes",
+    "Report associated text",
+  ];
+
+const logEntries: { key: string; name: keyof EventFilter }[] = [
+  { key: "a", name: "keydown" },
+  { key: "b", name: "keyup" },
+  { key: "c", name: "keyrepeat" },
+  { key: "d", name: "mousedown" },
+  { key: "e", name: "mouseup" },
+  { key: "f", name: "mousemove" },
+  { key: "g", name: "wheel" },
+  { key: "h", name: "resize" },
+  { key: "i", name: "pointerenter" },
+  { key: "j", name: "pointerleave" },
+  { key: "k", name: "pointerclick" },
+];
+
 await main(function* () {
   let { columns, rows } = terminalSize();
 
@@ -164,16 +198,6 @@ function updateFlagsIfChanged(current: Setting, next: Setting): Setting {
   return next;
 }
 
-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);
-
-const KEY_W = 5;
-const GAP = 1;
-
 interface KeyDef {
   label: string;
   code: string;
@@ -189,8 +213,6 @@ function matches(k: KeyDef, event: InputEvent | PointerEvent): boolean {
     event.code.toUpperCase() === k.code.toUpperCase();
 }
 
-const hovered = rgba(80, 80, 100);
-
 function key(ops: Op[], k: KeyDef, ctx: AppContext): void {
   let pressed = ctx.event && matches(k, ctx.event);
   let hover = ctx.entered.has(`key:${k.code}`);
@@ -459,30 +481,6 @@ function toggle(ops: Op[], enabled: boolean, name: string): void {
   );
 }
 
-const flagNames:
-  (keyof Omit<AppContext, "mode" | "event" | "logged" | "log" | "entered">)[] =
-    [
-      "Disambiguate escape codes",
-      "Report event types",
-      "Report alternate keys",
-      "Report all keys as escapes",
-      "Report associated text",
-    ];
-
-const logEntries: { key: string; name: keyof EventFilter }[] = [
-  { key: "a", name: "keydown" },
-  { key: "b", name: "keyup" },
-  { key: "c", name: "keyrepeat" },
-  { key: "d", name: "mousedown" },
-  { key: "e", name: "mouseup" },
-  { key: "f", name: "mousemove" },
-  { key: "g", name: "wheel" },
-  { key: "h", name: "resize" },
-  { key: "i", name: "pointerenter" },
-  { key: "j", name: "pointerleave" },
-  { key: "k", name: "pointerclick" },
-];
-
 function logToggle(
   ops: Op[],
   entries: typeof logEntries,