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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 187x 187x 187x 187x 187x 2x 2x 39x 31x 34x 8x 8x 39x 2x 16x 16x 2x 19x 19x 253x 253x 253x 253x 253x 253x 253x 253x 251x 251x 217x 217x 217x 217x 217x 217x 11x 10x 10x 217x 1x 1x 217x 250x 251x 40x 251x 1x 1x 251x 2x 2x 1x 1x 2x 2x 249x 253x 2x 2x 2x 2x 253x 290x 290x 290x 263x 85x 73x 290x | import {
type ComponentOptions,
type ConcreteComponent,
currentInstance,
getComponentName,
} from '../component'
import { currentRenderingInstance } from '../componentRenderContext'
import type { Directive } from '../directives'
import { camelize, capitalize, isString } from '@vue/shared'
import { warn } from '../warning'
import type { VNodeTypes } from '../vnode'
export const COMPONENTS = 'components'
export const DIRECTIVES = 'directives'
export const FILTERS = 'filters'
export type AssetTypes = typeof COMPONENTS | typeof DIRECTIVES | typeof FILTERS
/**
* @private
*/
export function resolveComponent(
name: string,
maybeSelfReference?: boolean,
): ConcreteComponent | string {
return resolveAsset(COMPONENTS, name, true, maybeSelfReference) || name
}
export const NULL_DYNAMIC_COMPONENT: unique symbol = Symbol.for('v-ndc')
/**
* @private
*/
export function resolveDynamicComponent(component: unknown): VNodeTypes {
if (isString(component)) {
return resolveAsset(COMPONENTS, component, false) || component
} else {
// invalid types will fallthrough to createVNode and raise warning
return (component || NULL_DYNAMIC_COMPONENT) as any
}
}
/**
* @private
*/
export function resolveDirective(name: string): Directive | undefined {
return resolveAsset(DIRECTIVES, name)
}
/**
* v2 compat only
* @internal
*/
export function resolveFilter(name: string): Function | undefined {
return resolveAsset(FILTERS, name)
}
/**
* @private
* overload 1: components
*/
function resolveAsset(
type: typeof COMPONENTS,
name: string,
warnMissing?: boolean,
maybeSelfReference?: boolean,
): ConcreteComponent | undefined
// overload 2: directives
function resolveAsset(
type: typeof DIRECTIVES,
name: string,
): Directive | undefined
// implementation
// overload 3: filters (compat only)
function resolveAsset(type: typeof FILTERS, name: string): Function | undefined
// implementation
function resolveAsset(
type: AssetTypes,
name: string,
warnMissing = true,
maybeSelfReference = false,
) {
const instance = currentRenderingInstance || currentInstance
if (instance) {
const Component = instance.type
// explicit self name has highest priority
if (type === COMPONENTS) {
const selfName = getComponentName(
Component,
false /* do not include inferred name to avoid breaking existing code */,
)
if (
selfName &&
(selfName === name ||
selfName === camelize(name) ||
selfName === capitalize(camelize(name)))
) {
return Component
}
}
const res =
// local registration
// check instance[type] first which is resolved for options API
resolve(instance[type] || (Component as ComponentOptions)[type], name) ||
// global registration
resolve(instance.appContext[type], name)
if (!res && maybeSelfReference) {
// fallback to implicit self-reference
return Component
}
if (__DEV__ && warnMissing && !res) {
const extra =
type === COMPONENTS
? `\nIf this is a native custom element, make sure to exclude it from ` +
`component resolution via compilerOptions.isCustomElement.`
: ``
warn(`Failed to resolve ${type.slice(0, -1)}: ${name}${extra}`)
}
return res
} else if (__DEV__) {
warn(
`resolve${capitalize(type.slice(0, -1))} ` +
`can only be used in render() or setup().`,
)
}
}
function resolve(registry: Record<string, any> | undefined, name: string) {
return (
registry &&
(registry[name] ||
registry[camelize(name)] ||
registry[capitalize(camelize(name))])
)
}
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