fix(overlay): handle missing customElements (#4856)

daaku · web-flow · commit e5b472d12e4b · 2021-09-06T19:19:25.000+08:00
diff --git a/packages/vite/src/client/overlay.ts b/packages/vite/src/client/overlay.ts
@@ -182,4 +182,6 @@ export class ErrorOverlay extends HTMLElement {
 }
 
 export const overlayId = 'vite-error-overlay'
-!customElements.get(overlayId) && customElements.define(overlayId, ErrorOverlay)
+if (customElements && !customElements.get(overlayId)) {
+  customElements.define(overlayId, ErrorOverlay)
+}

Original file line number	Diff line number	Diff line change
`@@ -182,4 +182,6 @@ export class ErrorOverlay extends HTMLElement {`
`182`	`182`	`}`
`183`	`183`
`184`	`184`	`export const overlayId = 'vite-error-overlay'`
`185`		`-!customElements.get(overlayId) && customElements.define(overlayId, ErrorOverlay)`
	`185`	`+if (customElements && !customElements.get(overlayId)) {`
	`186`	`+ customElements.define(overlayId, ErrorOverlay)`
	`187`	`+}`