Use startsWith & simplify boolean expression (#543)

Author: noritaka1166

bin/concurrently.spec.ts

@@ -183,7 +183,7 @@ describe('exiting conditions', () => {
         // Windows doesn't support sending signals like on POSIX platforms.
         // However, in a console, processes can be interrupted with CTRL+C (like a SIGINT).
         // This is what we simulate here with the help of a wrapper application.
-        const child = run('"node fixtures/read-echo.js"', isWindows ? true : false);
+        const child = run('"node fixtures/read-echo.js"', isWindows);
         // Wait for command to have started before sending SIGINT
         child.log.subscribe((line) => {
             if (/READING/.test(line)) {

src/spawn.ts

@@ -88,7 +88,7 @@ export const getSpawnOpts = ({
     return {
         cwd: cwd || process.cwd(),
         stdio: stdioValues,
-        ...(/^win/.test(process.platform) && { detached: false }),
+        ...(process.platform.startsWith('win') && { detached: false }),
         env: {
             ...(colorSupport ? { FORCE_COLOR: colorSupport.level.toString() } : {}),
             ...process.env,