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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 | 86x 86x 86x 86x 86x 86x 86x 5150x 5150x 5150x 11x 5x 6x 2x 2x 2x 2x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 86x 303x 35x 268x 268x 268x 2x | import { extend, ShapeFlags } from '@vue/shared' import { ComponentInternalInstance, ComponentOptions } from '../component' import { callWithErrorHandling, ErrorCodes } from '../errorHandling' import { VNode } from '../vnode' import { popWarningContext, pushWarningContext } from '../warning' import { DeprecationTypes, warnDeprecation, isCompatEnabled } from './compatConfig' export const compatModelEventPrefix = `onModelCompat:` const warnedTypes = new WeakSet() export function convertLegacyVModelProps(vnode: VNode) { const { type, shapeFlag, props, dynamicProps } = vnode const comp = type as ComponentOptions if (shapeFlag & ShapeFlags.COMPONENT && props && 'modelValue' in props) { if ( !isCompatEnabled( DeprecationTypes.COMPONENT_V_MODEL, // this is a special case where we want to use the vnode component's // compat config instead of the current rendering instance (which is the // parent of the component that exposes v-model) { type } as any ) ) { return } if (__DEV__ && !warnedTypes.has(comp)) { pushWarningContext(vnode) warnDeprecation(DeprecationTypes.COMPONENT_V_MODEL, { type } as any, comp) popWarningContext() warnedTypes.add(comp) } // v3 compiled model code -> v2 compat props // modelValue -> value // onUpdate:modelValue -> onModelCompat:input const model = comp.model || {} applyModelFromMixins(model, comp.mixins) const { prop = 'value', event = 'input' } = model if (prop !== 'modelValue') { props[prop] = props.modelValue delete props.modelValue } // important: update dynamic props if (dynamicProps) { dynamicProps[dynamicProps.indexOf('modelValue')] = prop } props[compatModelEventPrefix + event] = props['onUpdate:modelValue'] delete props['onUpdate:modelValue'] } } function applyModelFromMixins(model: any, mixins?: ComponentOptions[]) { Iif (mixins) { mixins.forEach(m => { Iif (m.model) extend(model, m.model) Iif (m.mixins) applyModelFromMixins(model, m.mixins) }) } } export function compatModelEmit( instance: ComponentInternalInstance, event: string, args: any[] ) { if (!isCompatEnabled(DeprecationTypes.COMPONENT_V_MODEL, instance)) { return } const props = instance.vnode.props const modelHandler = props && props[compatModelEventPrefix + event] if (modelHandler) { callWithErrorHandling( modelHandler, instance, ErrorCodes.COMPONENT_EVENT_HANDLER, args ) } } |