warn error if no router.onError() callback is registered

yyx990803 · yyx990803 · commit f86a8face7db · 2017-04-22T22:52:03.000+08:00
diff --git a/src/history/base.js b/src/history/base.js
@@ -83,7 +83,12 @@ export class History {
     const current = this.current
     const abort = err => {
       if (err instanceof Error) {
-        this.errorCbs.forEach(cb => { cb(err) })
+        if (this.errorCbs.length) {
+          this.errorCbs.forEach(cb => { cb(err) })
+        } else {
+          warn(false, 'uncaught error during route navigation:')
+          console.error(err)
+        }
       }
       onAbort && onAbort(err)
     }

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,12 @@ export class History {`
`83`	`83`	`const current = this.current`
`84`	`84`	`const abort = err => {`
`85`	`85`	`if (err instanceof Error) {`
`86`		`- this.errorCbs.forEach(cb => { cb(err) })`
	`86`	`+ if (this.errorCbs.length) {`
	`87`	`+ this.errorCbs.forEach(cb => { cb(err) })`
	`88`	`+ } else {`
	`89`	`+ warn(false, 'uncaught error during route navigation:')`
	`90`	`+ console.error(err)`
	`91`	`+ }`
`87`	`92`	`}`
`88`	`93`	`onAbort && onAbort(err)`
`89`	`94`	`}`