refactor: isOn check to use regex

rigor789 · rigor789 · commit b1898031fdc9 · 2022-01-20T15:28:24.000+01:00
This ensures we only match `onXyz` where X is *not* a lowercase letter.
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
@@ -9,4 +9,5 @@ export function debug(
   Trace.write(s, category as string, Trace.messageType.log)
 }
 
-export const isOn = (key: string) => key.startsWith('on')
+const onRE = /^on[^a-z]/
+export const isOn = (key: string) => onRE.test(key)

Original file line number	Diff line number	Diff line change
`@@ -9,4 +9,5 @@ export function debug(`
`9`	`9`	`Trace.write(s, category as string, Trace.messageType.log)`
`10`	`10`	`}`
`11`	`11`
`12`		`-export const isOn = (key: string) => key.startsWith('on')`
	`12`	`+const onRE = /^on[^a-z]/`
	`13`	`+export const isOn = (key: string) => onRE.test(key)`