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wip: fix watch simple effect usage

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This commit is contained in:
Evan You
2019-08-19 14:44:52 -04:00
parent 36ab2ab980
commit 145bf98840
2 changed files with 25 additions and 11 deletions
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22
packages/runtime-core/src/scheduler.ts
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@@ -8,22 +8,32 @@ export function nextTick(fn?: () => void): Promise<void> {
return fn ? p.then(fn) : p
}
export function queueJob(job: () => void, onError?: (err: Error) => void) {
type ErrorHandler = (err: Error) => void
export function queueJob(job: () => void, onError?: ErrorHandler) {
if (queue.indexOf(job) === -1) {
queue.push(job)
if (!isFlushing) {
const p = nextTick(flushJobs)
if (onError) p.catch(onError)
}
queueFlush(onError)
}
}
export function queuePostFlushCb(cb: Function | Function[]) {
export function queuePostFlushCb(
cb: Function | Function[],
onError?: ErrorHandler
) {
if (Array.isArray(cb)) {
postFlushCbs.push.apply(postFlushCbs, cb)
} else {
postFlushCbs.push(cb)
}
queueFlush(onError)
}
function queueFlush(onError?: ErrorHandler) {
if (!isFlushing) {
const p = nextTick(flushJobs)
if (onError) p.catch(onError)
}
}
const dedupe = (cbs: Function[]): Function[] => Array.from(new Set(cbs))