Avoid file locks + overwrites by using a temp file for HTML templates (…

…#1336) * Avoid file locks + overwrites by using a temp file for HTML templates This fixes #1331. * refactor: Replace tempy with simple random number gen * docs: Adding changeset Co-authored-by: Ryan Christian <[email protected]>
preactjs · Dec 24, 2022 · bea4f50 · bea4f50
1 parent 70d192f
commit bea4f50
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diff --git a/.changeset/violet-dryers-smell.md b/.changeset/violet-dryers-smell.md
@@ -0,0 +1,5 @@
+---
+'preact-cli': patch
+---
+
+Temp files generated by `preact-cli` are now unique to a build, allowing for concurrent instances to run at the same time.
diff --git a/packages/cli/src/lib/webpack/render-html-plugin.js b/packages/cli/src/lib/webpack/render-html-plugin.js
@@ -45,7 +45,10 @@ module.exports = async function (config) {
 
 		// Unfortunately html-webpack-plugin expects a true file,
 		// so we'll create a temporary one.
-		const tmpDir = join(os.tmpdir(), 'preact-cli');
+		const tmpDir = join(
+			os.tmpdir(),
+			`preact-cli-${Math.floor(Math.random() * 100000)}`
+		);
 		if (!existsSync(tmpDir)) {
 			mkdirSync(tmpDir);
 		}