32 lines
935 B
TypeScript
32 lines
935 B
TypeScript
import { getGlobalThis } from '@vue/shared'
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/**
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* This is only called in esm-bundler builds.
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* It is called when a renderer is created, in `baseCreateRenderer` so that
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* importing runtime-core is side-effects free.
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*
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* istanbul-ignore-next
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*/
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export function initFeatureFlags() {
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let needWarn = false
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if (typeof __FEATURE_OPTIONS_API__ !== 'boolean') {
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needWarn = true
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getGlobalThis().__VUE_OPTIONS_API__ = true
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}
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if (typeof __FEATURE_PROD_DEVTOOLS__ !== 'boolean') {
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needWarn = true
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getGlobalThis().__VUE_PROD_DEVTOOLS__ = false
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}
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if (__DEV__ && needWarn) {
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console.warn(
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`You are running the esm-bundler build of Vue. It is recommended to ` +
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`configure your bundler to explicitly replace feature flag globals ` +
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`with boolean literals to get proper tree-shaking in the final bundle. ` +
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`See http://link.vuejs.org/feature-flags for more details.`
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)
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}
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}
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