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1582x 1582x 1582x 1582x 1582x 1582x 3x 3x 3x 1582x 641x 641x 1582x 744x 744x 744x 744x 768x 768x 768x 768x 744x 9x 9x 9x 744x 1582x 1582x 2x 2x 2x 768x 768x 768x 768x 768x 768x 768x 1x 768x 734x 734x 734x 14x 14x 767x 9x 33x 10x 23x 14x 14x 768x 768x 768x 768x 768x 9x 9x 9x 9x 9x 9x 1x 1x 1x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 4x 9x 2x 2x 8x 9x 6x 6x 8x 8x 16x 16x 5x 16x 2x 11x 9x 9x 16x 16x 16x 16x 16x 4x 4x 4x | import {
TriggerOpTypes,
shallowReactive,
shallowReadonly,
toRaw,
trigger,
} from '@vue/reactivity'
import {
EMPTY_ARR,
EMPTY_OBJ,
type IfAny,
PatchFlags,
camelize,
capitalize,
extend,
hasOwn,
hyphenate,
isArray,
isFunction,
isObject,
isOn,
isReservedProp,
isString,
makeMap,
toRawType,
} from '@vue/shared'
import { warn } from './warning'
import {
type ComponentInternalInstance,
type ComponentOptions,
type ConcreteComponent,
type Data,
setCurrentInstance,
} from './component'
import { isEmitListener } from './componentEmits'
import type { AppContext } from './apiCreateApp'
import { createPropsDefaultThis } from './compat/props'
import { isCompatEnabled, softAssertCompatEnabled } from './compat/compatConfig'
import { DeprecationTypes } from './compat/compatConfig'
import { shouldSkipAttr } from './compat/attrsFallthrough'
import { createInternalObject } from './internalObject'
export type ComponentPropsOptions<P = Data> =
| ComponentObjectPropsOptions<P>
| string[]
export type ComponentObjectPropsOptions<P = Data> = {
[K in keyof P]: Prop<P[K]> | null
}
export type Prop<T, D = T> = PropOptions<T, D> | PropType<T>
type DefaultFactory<T> = (props: Data) => T | null | undefined
export interface PropOptions<T = any, D = T> {
type?: PropType<T> | true | null
required?: boolean
default?: D | DefaultFactory<D> | null | undefined | object
validator?(value: unknown, props: Data): boolean
/**
* @internal
*/
skipCheck?: boolean
/**
* @internal
*/
skipFactory?: boolean
}
export type PropType<T> = PropConstructor<T> | (PropConstructor<T> | null)[]
type PropConstructor<T = any> =
| { new (...args: any[]): T & {} }
| { (): T }
| PropMethod<T>
type PropMethod<T, TConstructor = any> = [T] extends [
((...args: any) => any) | undefined,
] // if is function with args, allowing non-required functions
? { new (): TConstructor; (): T; readonly prototype: TConstructor } // Create Function like constructor
: never
type RequiredKeys<T> = {
[K in keyof T]: T[K] extends
| { required: true }
| { default: any }
// don't mark Boolean props as undefined
| BooleanConstructor
| { type: BooleanConstructor }
? T[K] extends { default: undefined | (() => undefined) }
? never
: K
: never
}[keyof T]
type OptionalKeys<T> = Exclude<keyof T, RequiredKeys<T>>
type DefaultKeys<T> = {
[K in keyof T]: T[K] extends
| { default: any }
// Boolean implicitly defaults to false
| BooleanConstructor
| { type: BooleanConstructor }
? T[K] extends { type: BooleanConstructor; required: true } // not default if Boolean is marked as required
? never
: K
: never
}[keyof T]
type InferPropType<T, NullAsAny = true> = [T] extends [null]
? NullAsAny extends true
? any
: null
: [T] extends [{ type: null | true }]
? any // As TS issue https://github.com/Microsoft/TypeScript/issues/14829 // somehow `ObjectConstructor` when inferred from { (): T } becomes `any` // `BooleanConstructor` when inferred from PropConstructor(with PropMethod) becomes `Boolean`
: [T] extends [ObjectConstructor | { type: ObjectConstructor }]
? Record<string, any>
: [T] extends [BooleanConstructor | { type: BooleanConstructor }]
? boolean
: [T] extends [DateConstructor | { type: DateConstructor }]
? Date
: [T] extends [(infer U)[] | { type: (infer U)[] }]
? U extends DateConstructor
? Date | InferPropType<U, false>
: InferPropType<U, false>
: [T] extends [Prop<infer V, infer D>]
? unknown extends V
? keyof V extends never
? IfAny<V, V, D>
: V
: V
: T
/**
* Extract prop types from a runtime props options object.
* The extracted types are **internal** - i.e. the resolved props received by
* the component.
* - Boolean props are always present
* - Props with default values are always present
*
* To extract accepted props from the parent, use {@link ExtractPublicPropTypes}.
*/
export type ExtractPropTypes<O> = {
// use `keyof Pick<O, RequiredKeys<O>>` instead of `RequiredKeys<O>` to
// support IDE features
[K in keyof Pick<O, RequiredKeys<O>>]: InferPropType<O[K]>
} & {
// use `keyof Pick<O, OptionalKeys<O>>` instead of `OptionalKeys<O>` to
// support IDE features
[K in keyof Pick<O, OptionalKeys<O>>]?: InferPropType<O[K]>
}
type PublicRequiredKeys<T> = {
[K in keyof T]: T[K] extends { required: true } ? K : never
}[keyof T]
type PublicOptionalKeys<T> = Exclude<keyof T, PublicRequiredKeys<T>>
/**
* Extract prop types from a runtime props options object.
* The extracted types are **public** - i.e. the expected props that can be
* passed to component.
*/
export type ExtractPublicPropTypes<O> = {
[K in keyof Pick<O, PublicRequiredKeys<O>>]: InferPropType<O[K]>
} & {
[K in keyof Pick<O, PublicOptionalKeys<O>>]?: InferPropType<O[K]>
}
enum BooleanFlags {
shouldCast,
shouldCastTrue,
}
// extract props which defined with default from prop options
export type ExtractDefaultPropTypes<O> = O extends object
? // use `keyof Pick<O, DefaultKeys<O>>` instead of `DefaultKeys<O>` to support IDE features
{ [K in keyof Pick<O, DefaultKeys<O>>]: InferPropType<O[K]> }
: {}
type NormalizedProp = PropOptions & {
[BooleanFlags.shouldCast]?: boolean
[BooleanFlags.shouldCastTrue]?: boolean
}
// normalized value is a tuple of the actual normalized options
// and an array of prop keys that need value casting (booleans and defaults)
export type NormalizedProps = Record<string, NormalizedProp>
export type NormalizedPropsOptions = [NormalizedProps, string[]] | []
export function initProps(
instance: ComponentInternalInstance,
rawProps: Data | null,
isStateful: number, // result of bitwise flag comparison
isSSR = false,
): void {
const props: Data = {}
const attrs: Data = createInternalObject()
instance.propsDefaults = Object.create(null)
setFullProps(instance, rawProps, props, attrs)
// ensure all declared prop keys are present
for (const key in instance.propsOptions[0]) {
if (!(key in props)) {
props[key] = undefined
}
}
// validation
if (__DEV__) {
validateProps(rawProps || {}, props, instance)
}
if (isStateful) {
// stateful
instance.props = isSSR ? props : shallowReactive(props)
} else {
if (!instance.type.props) {
// functional w/ optional props, props === attrs
instance.props = attrs
} else {
// functional w/ declared props
instance.props = props
}
}
instance.attrs = attrs
}
function isInHmrContext(instance: ComponentInternalInstance | null) {
while (instance) {
if (instance.type.__hmrId) return true
instance = instance.parent
}
}
export function updateProps(
instance: ComponentInternalInstance,
rawProps: Data | null,
rawPrevProps: Data | null,
optimized: boolean,
): void {
const {
props,
attrs,
vnode: { patchFlag },
} = instance
const rawCurrentProps = toRaw(props)
const [options] = instance.propsOptions
let hasAttrsChanged = false
if (
// always force full diff in dev
// - #1942 if hmr is enabled with sfc component
// - vite#872 non-sfc component used by sfc component
!(__DEV__ && isInHmrContext(instance)) &&
(optimized || patchFlag > 0) &&
!(patchFlag & PatchFlags.FULL_PROPS)
) {
if (patchFlag & PatchFlags.PROPS) {
// Compiler-generated props & no keys change, just set the updated
// the props.
const propsToUpdate = instance.vnode.dynamicProps!
for (let i = 0; i < propsToUpdate.length; i++) {
let key = propsToUpdate[i]
// skip if the prop key is a declared emit event listener
if (isEmitListener(instance.emitsOptions, key)) {
continue
}
// PROPS flag guarantees rawProps to be non-null
const value = rawProps![key]
if (options) {
// attr / props separation was done on init and will be consistent
// in this code path, so just check if attrs have it.
if (hasOwn(attrs, key)) {
if (value !== attrs[key]) {
attrs[key] = value
hasAttrsChanged = true
}
} else {
const camelizedKey = camelize(key)
props[camelizedKey] = resolvePropValue(
options,
rawCurrentProps,
camelizedKey,
value,
instance,
false /* isAbsent */,
)
}
} else {
if (__COMPAT__) {
if (isOn(key) && key.endsWith('Native')) {
key = key.slice(0, -6) // remove Native postfix
} else if (shouldSkipAttr(key, instance)) {
continue
}
}
if (value !== attrs[key]) {
attrs[key] = value
hasAttrsChanged = true
}
}
}
}
} else {
// full props update.
if (setFullProps(instance, rawProps, props, attrs)) {
hasAttrsChanged = true
}
// in case of dynamic props, check if we need to delete keys from
// the props object
let kebabKey: string
for (const key in rawCurrentProps) {
if (
!rawProps ||
// for camelCase
(!hasOwn(rawProps, key) &&
// it's possible the original props was passed in as kebab-case
// and converted to camelCase (#955)
((kebabKey = hyphenate(key)) === key || !hasOwn(rawProps, kebabKey)))
) {
if (options) {
if (
rawPrevProps &&
// for camelCase
(rawPrevProps[key] !== undefined ||
// for kebab-case
rawPrevProps[kebabKey!] !== undefined)
) {
props[key] = resolvePropValue(
options,
rawCurrentProps,
key,
undefined,
instance,
true /* isAbsent */,
)
}
} else {
delete props[key]
}
}
}
// in the case of functional component w/o props declaration, props and
// attrs point to the same object so it should already have been updated.
if (attrs !== rawCurrentProps) {
for (const key in attrs) {
if (
!rawProps ||
(!hasOwn(rawProps, key) &&
(!__COMPAT__ || !hasOwn(rawProps, key + 'Native')))
) {
delete attrs[key]
hasAttrsChanged = true
}
}
}
}
// trigger updates for $attrs in case it's used in component slots
if (hasAttrsChanged) {
trigger(instance.attrs, TriggerOpTypes.SET, '')
}
if (__DEV__) {
validateProps(rawProps || {}, props, instance)
}
}
function setFullProps(
instance: ComponentInternalInstance,
rawProps: Data | null,
props: Data,
attrs: Data,
) {
const [options, needCastKeys] = instance.propsOptions
let hasAttrsChanged = false
let rawCastValues: Data | undefined
if (rawProps) {
for (let key in rawProps) {
// key, ref are reserved and never passed down
if (isReservedProp(key)) {
continue
}
if (__COMPAT__) {
if (key.startsWith('onHook:')) {
softAssertCompatEnabled(
DeprecationTypes.INSTANCE_EVENT_HOOKS,
instance,
key.slice(2).toLowerCase(),
)
}
if (key === 'inline-template') {
continue
}
}
const value = rawProps[key]
// prop option names are camelized during normalization, so to support
// kebab -> camel conversion here we need to camelize the key.
let camelKey
if (options && hasOwn(options, (camelKey = camelize(key)))) {
if (!needCastKeys || !needCastKeys.includes(camelKey)) {
props[camelKey] = value
} else {
;(rawCastValues || (rawCastValues = {}))[camelKey] = value
}
} else if (!isEmitListener(instance.emitsOptions, key)) {
// Any non-declared (either as a prop or an emitted event) props are put
// into a separate `attrs` object for spreading. Make sure to preserve
// original key casing
if (__COMPAT__) {
if (isOn(key) && key.endsWith('Native')) {
key = key.slice(0, -6) // remove Native postfix
} else if (shouldSkipAttr(key, instance)) {
continue
}
}
if (!(key in attrs) || value !== attrs[key]) {
attrs[key] = value
hasAttrsChanged = true
}
}
}
}
if (needCastKeys) {
const rawCurrentProps = toRaw(props)
const castValues = rawCastValues || EMPTY_OBJ
for (let i = 0; i < needCastKeys.length; i++) {
const key = needCastKeys[i]
props[key] = resolvePropValue(
options!,
rawCurrentProps,
key,
castValues[key],
instance,
!hasOwn(castValues, key),
)
}
}
return hasAttrsChanged
}
function resolvePropValue(
options: NormalizedProps,
props: Data,
key: string,
value: unknown,
instance: ComponentInternalInstance,
isAbsent: boolean,
) {
const opt = options[key]
if (opt != null) {
const hasDefault = hasOwn(opt, 'default')
// default values
if (hasDefault && value === undefined) {
const defaultValue = opt.default
if (
opt.type !== Function &&
!opt.skipFactory &&
isFunction(defaultValue)
) {
const { propsDefaults } = instance
if (key in propsDefaults) {
value = propsDefaults[key]
} else {
const reset = setCurrentInstance(instance)
value = propsDefaults[key] = defaultValue.call(
__COMPAT__ &&
isCompatEnabled(DeprecationTypes.PROPS_DEFAULT_THIS, instance)
? createPropsDefaultThis(instance, props, key)
: null,
props,
)
reset()
}
} else {
value = defaultValue
}
// #9006 reflect default value on custom element
if (instance.ce) {
instance.ce._setProp(key, value)
}
}
// boolean casting
if (opt[BooleanFlags.shouldCast]) {
if (isAbsent && !hasDefault) {
value = false
} else if (
opt[BooleanFlags.shouldCastTrue] &&
(value === '' || value === hyphenate(key))
) {
value = true
}
}
}
return value
}
const mixinPropsCache = new WeakMap<ConcreteComponent, NormalizedPropsOptions>()
export function normalizePropsOptions(
comp: ConcreteComponent,
appContext: AppContext,
asMixin = false,
): NormalizedPropsOptions {
const cache =
__FEATURE_OPTIONS_API__ && asMixin ? mixinPropsCache : appContext.propsCache
const cached = cache.get(comp)
if (cached) {
return cached
}
const raw = comp.props
const normalized: NormalizedPropsOptions[0] = {}
const needCastKeys: NormalizedPropsOptions[1] = []
// apply mixin/extends props
let hasExtends = false
if (__FEATURE_OPTIONS_API__ && !isFunction(comp)) {
const extendProps = (raw: ComponentOptions) => {
if (__COMPAT__ && isFunction(raw)) {
raw = raw.options
}
hasExtends = true
const [props, keys] = normalizePropsOptions(raw, appContext, true)
extend(normalized, props)
if (keys) needCastKeys.push(...keys)
}
if (!asMixin && appContext.mixins.length) {
appContext.mixins.forEach(extendProps)
}
if (comp.extends) {
extendProps(comp.extends)
}
if (comp.mixins) {
comp.mixins.forEach(extendProps)
}
}
if (!raw && !hasExtends) {
if (isObject(comp)) {
cache.set(comp, EMPTY_ARR as any)
}
return EMPTY_ARR as any
}
if (isArray(raw)) {
for (let i = 0; i < raw.length; i++) {
if (__DEV__ && !isString(raw[i])) {
warn(`props must be strings when using array syntax.`, raw[i])
}
const normalizedKey = camelize(raw[i])
if (validatePropName(normalizedKey)) {
normalized[normalizedKey] = EMPTY_OBJ
}
}
} else if (raw) {
if (__DEV__ && !isObject(raw)) {
warn(`invalid props options`, raw)
}
for (const key in raw) {
const normalizedKey = camelize(key)
if (validatePropName(normalizedKey)) {
const opt = raw[key]
const prop: NormalizedProp = (normalized[normalizedKey] =
isArray(opt) || isFunction(opt) ? { type: opt } : extend({}, opt))
const propType = prop.type
let shouldCast = false
let shouldCastTrue = true
if (isArray(propType)) {
for (let index = 0; index < propType.length; ++index) {
const type = propType[index]
const typeName = isFunction(type) && type.name
if (typeName === 'Boolean') {
shouldCast = true
break
} else if (typeName === 'String') {
// If we find `String` before `Boolean`, e.g. `[String, Boolean]`,
// we need to handle the casting slightly differently. Props
// passed as `<Comp checked="">` or `<Comp checked="checked">`
// will either be treated as strings or converted to a boolean
// `true`, depending on the order of the types.
shouldCastTrue = false
}
}
} else {
shouldCast = isFunction(propType) && propType.name === 'Boolean'
}
prop[BooleanFlags.shouldCast] = shouldCast
prop[BooleanFlags.shouldCastTrue] = shouldCastTrue
// if the prop needs boolean casting or default value
if (shouldCast || hasOwn(prop, 'default')) {
needCastKeys.push(normalizedKey)
}
}
}
}
const res: NormalizedPropsOptions = [normalized, needCastKeys]
if (isObject(comp)) {
cache.set(comp, res)
}
return res
}
function validatePropName(key: string) {
if (key[0] !== '$' && !isReservedProp(key)) {
return true
} else if (__DEV__) {
warn(`Invalid prop name: "${key}" is a reserved property.`)
}
return false
}
// dev only
// use function string name to check type constructors
// so that it works across vms / iframes.
function getType(ctor: Prop<any> | null): string {
// Early return for null to avoid unnecessary computations
if (ctor === null) {
return 'null'
}
// Avoid using regex for common cases by checking the type directly
if (typeof ctor === 'function') {
// Using name property to avoid converting function to string
return ctor.name || ''
} else if (typeof ctor === 'object') {
// Attempting to directly access constructor name if possible
const name = ctor.constructor && ctor.constructor.name
return name || ''
}
// Fallback for other types (though they're less likely to have meaningful names here)
return ''
}
/**
* dev only
*/
function validateProps(
rawProps: Data,
props: Data,
instance: ComponentInternalInstance,
) {
const resolvedValues = toRaw(props)
const options = instance.propsOptions[0]
const camelizePropsKey = Object.keys(rawProps).map(key => camelize(key))
for (const key in options) {
let opt = options[key]
if (opt == null) continue
validateProp(
key,
resolvedValues[key],
opt,
__DEV__ ? shallowReadonly(resolvedValues) : resolvedValues,
!camelizePropsKey.includes(key),
)
}
}
/**
* dev only
*/
function validateProp(
name: string,
value: unknown,
prop: PropOptions,
props: Data,
isAbsent: boolean,
) {
const { type, required, validator, skipCheck } = prop
// required!
if (required && isAbsent) {
warn('Missing required prop: "' + name + '"')
return
}
// missing but optional
if (value == null && !required) {
return
}
// type check
if (type != null && type !== true && !skipCheck) {
let isValid = false
const types = isArray(type) ? type : [type]
const expectedTypes = []
// value is valid as long as one of the specified types match
for (let i = 0; i < types.length && !isValid; i++) {
const { valid, expectedType } = assertType(value, types[i])
expectedTypes.push(expectedType || '')
isValid = valid
}
if (!isValid) {
warn(getInvalidTypeMessage(name, value, expectedTypes))
return
}
}
// custom validator
if (validator && !validator(value, props)) {
warn('Invalid prop: custom validator check failed for prop "' + name + '".')
}
}
const isSimpleType = /*@__PURE__*/ makeMap(
'String,Number,Boolean,Function,Symbol,BigInt',
)
type AssertionResult = {
valid: boolean
expectedType: string
}
/**
* dev only
*/
function assertType(
value: unknown,
type: PropConstructor | null,
): AssertionResult {
let valid
const expectedType = getType(type)
if (expectedType === 'null') {
valid = value === null
} else if (isSimpleType(expectedType)) {
const t = typeof value
valid = t === expectedType.toLowerCase()
// for primitive wrapper objects
if (!valid && t === 'object') {
valid = value instanceof (type as PropConstructor)
}
} else if (expectedType === 'Object') {
valid = isObject(value)
} else if (expectedType === 'Array') {
valid = isArray(value)
} else {
valid = value instanceof (type as PropConstructor)
}
return {
valid,
expectedType,
}
}
/**
* dev only
*/
function getInvalidTypeMessage(
name: string,
value: unknown,
expectedTypes: string[],
): string {
if (expectedTypes.length === 0) {
return (
`Prop type [] for prop "${name}" won't match anything.` +
` Did you mean to use type Array instead?`
)
}
let message =
`Invalid prop: type check failed for prop "${name}".` +
` Expected ${expectedTypes.map(capitalize).join(' | ')}`
const expectedType = expectedTypes[0]
const receivedType = toRawType(value)
const expectedValue = styleValue(value, expectedType)
const receivedValue = styleValue(value, receivedType)
// check if we need to specify expected value
if (
expectedTypes.length === 1 &&
isExplicable(expectedType) &&
!isBoolean(expectedType, receivedType)
) {
message += ` with value ${expectedValue}`
}
message += `, got ${receivedType} `
// check if we need to specify received value
if (isExplicable(receivedType)) {
message += `with value ${receivedValue}.`
}
return message
}
/**
* dev only
*/
function styleValue(value: unknown, type: string): string {
if (type === 'String') {
return `"${value}"`
} else if (type === 'Number') {
return `${Number(value)}`
} else {
return `${value}`
}
}
/**
* dev only
*/
function isExplicable(type: string): boolean {
const explicitTypes = ['string', 'number', 'boolean']
return explicitTypes.some(elem => type.toLowerCase() === elem)
}
/**
* dev only
*/
function isBoolean(...args: string[]): boolean {
return args.some(elem => elem.toLowerCase() === 'boolean')
}
|