37 lines
846 B
TypeScript
37 lines
846 B
TypeScript
// SFC scoped style ID management.
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// These are only used in esm-bundler builds, but since exports cannot be
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// conditional, we can only drop inner implementations in non-bundler builds.
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import { withCtx } from './withRenderContext'
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export let currentScopeId: string | null = null
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const scopeIdStack: string[] = []
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/**
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* @internal
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*/
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export function pushScopeId(id: string) {
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scopeIdStack.push((currentScopeId = id))
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}
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/**
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* @internal
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*/
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export function popScopeId() {
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scopeIdStack.pop()
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currentScopeId = scopeIdStack[scopeIdStack.length - 1] || null
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}
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/**
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* @internal
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*/
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export function withScopeId(id: string): <T extends Function>(fn: T) => T {
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return ((fn: Function) =>
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withCtx(function(this: any) {
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pushScopeId(id)
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const res = fn.apply(this, arguments)
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popScopeId()
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return res
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})) as any
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}
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