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1525x 1525x 1525x 1525x 1525x 1525x 1525x 1525x 1525x 3x 3x 3x 1525x 607x 607x 1525x 721x 721x 721x 721x 745x 745x 745x 745x 721x 9x 9x 9x 721x 1525x 1525x 2x 2x 2x 745x 745x 745x 745x 745x 745x 745x 1x 745x 711x 711x 711x 14x 14x 744x 9x 33x 10x 23x 14x 14x 745x 745x 745x 745x 745x 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] for (const key in options) { let opt = options[key] if (opt == null) continue validateProp( key, resolvedValues[key], opt, __DEV__ ? shallowReadonly(resolvedValues) : resolvedValues, !hasOwn(rawProps, key) && !hasOwn(rawProps, hyphenate(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') } |