Fix/sw watch coercion

[rschristian]

What kind of change does this PR introduce?

bugfix

Did you add tests for your changes?

N/A

Summary

I forgot in #1595 that we rely on --sw being undefined in order to attach the debug service worker. Always coercing it to a boolean breaks this.

preact-cli/packages/cli/lib/lib/entry.js

Lines 10 to 23 in d7e4fe6

	if (process.env.NODE_ENV === 'development') {
	// enable preact devtools
	require('preact/debug');
	// only add a debug sw if webpack service worker is not requested.
	if (process.env.ADD_SW === undefined && 'serviceWorker' in navigator) {
	// eslint-disable-next-line no-undef
	navigator.serviceWorker.register(__webpack_public_path__ + 'sw-debug.js');
	} else if (process.env.ADD_SW && 'serviceWorker' in navigator) {
	// eslint-disable-next-line no-undef
	navigator.serviceWorker.register(
	__webpack_public_path__ + (process.env.ES_BUILD ? 'sw-esm.js' : 'sw.js')
	);
	}

Does this PR introduce a breaking change?

No

[changeset-bot]

🦋 Changeset detected

Latest commit: 1c94e40

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
preact-cli	Patch

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