don't log from build-icons if nothing changed

Author: kentcdodds

other/build-icons.ts

@@ -44,15 +44,15 @@ async function generateIconFiles() {
 	)
 
 	if (spriteUpToDate && typesUpToDate) {
-		console.log(`Icons are up to date`)
+		logVerbose(`Icons are up to date`)
 		return
 	}
 
 	logVerbose(`Generating sprite for ${inputDirRelative}`)
 
-	await fsExtra.emptyDir(outputDir)
+	await fsExtra.ensureDir(outputDir)
 
-	const changedSprite = await generateSvgSprite({
+	const spriteChanged = await generateSvgSprite({
 		files,
 		inputDir,
 		outputPath: spriteFilepath,
@@ -70,14 +70,14 @@ async function generateIconFiles() {
 export type IconName =
 \t| ${stringifiedIconNames.join('\n\t| ')};
 `
-	const changedTypes = await writeIfChanged(
+	const typesChanged = await writeIfChanged(
 		typeOutputFilepath,
 		typeOutputContent,
 	)
 
 	logVerbose(`Manifest saved to ${path.relative(cwd, typeOutputFilepath)}`)
 
-	const changedIconReadme = await writeIfChanged(
+	const readmeChanged = await writeIfChanged(
 		path.join(outputDir, 'README.md'),
 		`# Icons
 
@@ -86,7 +86,8 @@ This directory contains SVG icons that are used by the app.
 Everything in this directory is generated by \`npm run build:icons\`.
 `,
 	)
-	if (changedIconReadme || changedSprite || changedTypes) {
+
+	if (spriteChanged || typesChanged || readmeChanged) {
 		console.log(`Generated ${files.length} icons`)
 	}
 }
@@ -148,4 +149,5 @@ async function writeIfChanged(filepath: string, newContent: string) {
 		.catch(() => '')
 	if (currentContent === newContent) return false
 	await fsExtra.writeFile(filepath, newContent, 'utf8')
+	return true
 }