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18x 2x 1x 1x 16x 16x 117x 44x 117x 163x 88x 87x 6x 1x 117x 108x 66x 9x 9x 129x 46x 129x 129x 1700x 1700x 1700x 442x 1037x 58x 979x 979x 1x 979x 1x 978x 978x 730x 687x 43x 248x 240x 240x 1x 239x 11x 229x 215x 215x 1700x 334x 334x 334x 147x 147x 1700x 169x 169x 164x 164x 30x 30x 6x 6x 2x 4x 4x 4x 24x 164x 119x 78x 41x 7x 169x 84x 1659x 1659x 1659x 142x 1517x 1517x 1517x 1517x 1517x 1397x 75x 5x 75x 75x 75x 75x 1397x 5x 1397x 18x 1397x 41x 1517x 1310x 1310x 207x 90x 95x 95x 95x 95x 117x 67x 67x 505x 505x 505x 505x 505x 502x 502x 502x 502x 502x 68x 207x 207x 207x 600x 600x 3720x 3720x 1527x 1004x 1081x 460x 446x 14x 1709x 1709x 1709x 1312x 1312x 1309x 1309x 1309x 3x 3x 1306x 518x 788x 648x 648x 648x 648x 666x 666x 666x 648x 1x 1x 787x 84x 666x 666x 649x 649x 649x 11x 17x 3x 14x 6x 8x 1x 7x 666x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 1x 1x 1x 2x 4x 1x | import { toRaw, shallowReactive, trigger, TriggerOpTypes } from '@vue/reactivity' import { EMPTY_OBJ, camelize, hyphenate, capitalize, isString, isFunction, isArray, isObject, hasOwn, toRawType, PatchFlags, makeMap, isReservedProp, EMPTY_ARR, def, extend, isOn, IfAny } from '@vue/shared' import { warn } from './warning' import { Data, ComponentInternalInstance, ComponentOptions, ConcreteComponent, setCurrentInstance, unsetCurrentInstance } from './component' import { isEmitListener } from './componentEmits' import { InternalObjectKey } from './vnode' import { AppContext } from './apiCreateApp' import { createPropsDefaultThis } from './compat/props' import { isCompatEnabled, softAssertCompatEnabled } from './compat/compatConfig' import { DeprecationTypes } from './compat/compatConfig' import { shouldSkipAttr } from './compat/attrsFallthrough' 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): boolean } export type PropType<T> = PropConstructor<T> | PropConstructor<T>[] 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> = [T] extends [null] ? any // null & true would fail to infer : [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> : InferPropType<U> : [T] extends [Prop<infer V, infer D>] ? unknown extends V ? IfAny<V, V, D> : V : T 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]> } const enum BooleanFlags { shouldCast, shouldCastTrue } // extract props which defined with default from prop options export type ExtractDefaultPropTypes<O> = O extends object ? { [K in DefaultKeys<O>]: InferPropType<O[K]> } : {} type NormalizedProp = | null | (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 ) { const props: Data = {} const attrs: Data = {} def(attrs, InternalObjectKey, 1) 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 } export function updateProps( instance: ComponentInternalInstance, rawProps: Data | null, rawPrevProps: Data | null, optimized: boolean ) { 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__ && (instance.type.__hmrId || (instance.parent && instance.parent.type.__hmrId)) ) && (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 Iif (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 E{ Iif (__COMPAT__) { if (isOn(key) && key.endsWith('Native')) { key = key.slice(0, -6) // remove Native postfix } else Iif (shouldSkipAttr(key, instance)) { continue } } Iif (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 $attrs in case it's used in component slots if (hasAttrsChanged) { trigger(instance, TriggerOpTypes.SET, '$attrs') } 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 && isFunction(defaultValue)) { const { propsDefaults } = instance if (key in propsDefaults) { value = propsDefaults[key] } else { setCurrentInstance(instance) value = propsDefaults[key] = defaultValue.call( __COMPAT__ && isCompatEnabled(DeprecationTypes.PROPS_DEFAULT_THIS, instance) ? createPropsDefaultThis(instance, props, key) : null, props ) unsetCurrentInstance() } } else { value = defaultValue } } // boolean casting if (opt[BooleanFlags.shouldCast]) { if (isAbsent && !hasDefault) { value = false } else if ( opt[BooleanFlags.shouldCastTrue] && (value === '' || value === hyphenate(key)) ) { value = true } } } return value } export function normalizePropsOptions( comp: ConcreteComponent, appContext: AppContext, asMixin = false ): NormalizedPropsOptions { const cache = 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) { cache.set(comp, EMPTY_ARR as any) return EMPTY_ARR as any } if (isArray(raw)) { for (let i = 0; i < raw.length; i++) { Iif (__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) { Iif (__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 } : opt) if (prop) { const booleanIndex = getTypeIndex(Boolean, prop.type) const stringIndex = getTypeIndex(String, prop.type) prop[BooleanFlags.shouldCast] = booleanIndex > -1 prop[BooleanFlags.shouldCastTrue] = stringIndex < 0 || booleanIndex < stringIndex // if the prop needs boolean casting or default value if (booleanIndex > -1 || hasOwn(prop, 'default')) { needCastKeys.push(normalizedKey) } } } } } const res: NormalizedPropsOptions = [normalized, needCastKeys] cache.set(comp, res) return res } function validatePropName(key: string) { if (key[0] !== '$') { return true } else IEif (__DEV__) { warn(`Invalid prop name: "${key}" is a reserved property.`) } return false } // use function string name to check type constructors // so that it works across vms / iframes. function getType(ctor: Prop<any>): string { const match = ctor && ctor.toString().match(/^\s*function (\w+)/) return match ? match[1] : ctor === null ? 'null' : '' } function isSameType(a: Prop<any>, b: Prop<any>): boolean { return getType(a) === getType(b) } function getTypeIndex( type: Prop<any>, expectedTypes: PropType<any> | void | null | true ): number { if (isArray(expectedTypes)) { return expectedTypes.findIndex(t => isSameType(t, type)) } else if (isFunction(expectedTypes)) { return isSameType(expectedTypes, type) ? 0 : -1 } return -1 } /** * 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, !hasOwn(rawProps, key) && !hasOwn(rawProps, hyphenate(key)) ) } } /** * dev only */ function validateProp( name: string, value: unknown, prop: PropOptions, isAbsent: boolean ) { const { type, required, validator } = prop // required! if (required && isAbsent) { warn('Missing required prop: "' + name + '"') return } // missing but optional if (value == null && !prop.required) { return } // type check if (type != null && type !== true) { 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 Iif (validator && !validator(value)) { 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): AssertionResult { let valid const expectedType = getType(type) if (isSimpleType(expectedType)) { const t = typeof value valid = t === expectedType.toLowerCase() // for primitive wrapper objects if (!valid && t === 'object') { valid = value instanceof type } } else if (expectedType === 'Object') { valid = isObject(value) } else if (expectedType === 'Array') { valid = isArray(value) } else if (expectedType === 'null') { valid = value === null } else { valid = value instanceof type } return { valid, expectedType } } /** * dev only */ function getInvalidTypeMessage( name: string, value: unknown, expectedTypes: string[] ): string { 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 Iif ( 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 Iif (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') } |