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Better route cancellation example, addresses #1856

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Barney Carroll 2021-04-15 23:52:14 +01:00 • committed by Stephan Hoyer
parent cd087347f7
commit 70aff8cd69
1 changed files with 3 additions and 5 deletions
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8
docs/route.md
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@ -859,15 +859,13 @@ m.route(document.body, "/", {
### Route cancellation / blocking
RouteResolver `onmatch` can prevent navigation away from the current route by returning a promise that never resolves:
RouteResolver `onmatch` can prevent route resolution by returning a promise that never resolves. This can be used to detect attempted redundant route resolutions and cancel them:
```javascript
var blocked = true
m.route(document.body, "/", {
"/": {
onmatch: function(args) {
if (blocked)
onmatch: function(args, requestedPath) {
if (m.route.get() === requestedPath)
return new Promise(function() {})
},
},