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fix: watcher oldValue

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This commit is contained in:
Evan You 2018-10-18 18:21:14 -04:00
parent 7c389606a4
commit 023f4ef7f4
1 changed files with 1 additions and 1 deletions
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2
packages/core/src/componentWatch.ts
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@ -61,12 +61,12 @@ export function setupWatcher(
const applyCb = () => { const applyCb = () => {
const newValue = runner() const newValue = runner()
if (options.deep || newValue !== oldValue) { if (options.deep || newValue !== oldValue) {
oldValue = newValue
try { try {
cb.call(instance.$proxy, newValue, oldValue) cb.call(instance.$proxy, newValue, oldValue)
} catch (e) { } catch (e) {
handleError(e, instance, ErrorTypes.WATCH_CALLBACK) handleError(e, instance, ErrorTypes.WATCH_CALLBACK)
} }
oldValue = newValue
} }
} }