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Components\nimport VInput from '../VInput/VInput'\n\n// Mixins\nimport mixins from '../../util/mixins'\nimport BindsAttrs from '../../mixins/binds-attrs'\nimport { provide as RegistrableProvide } from '../../mixins/registrable'\n\n// Helpers\nimport { VNode } from 'vue'\n\ntype ErrorBag = Record<number, boolean>\ntype VInputInstance = InstanceType<typeof VInput>\ntype Watchers = {\n  _uid: number\n  valid: () => void\n  shouldValidate: () => void\n}\n\n/* @vue/component */\nexport default mixins(\n  BindsAttrs,\n  RegistrableProvide('form')\n  /* @vue/component */\n).extend({\n  name: 'v-form',\n\n  provide (): object {\n    return { form: this }\n  },\n\n  inheritAttrs: false,\n\n  props: {\n    disabled: Boolean,\n    lazyValidation: Boolean,\n    readonly: Boolean,\n    value: Boolean,\n  },\n\n  data: () => ({\n    inputs: [] as VInputInstance[],\n    watchers: [] as Watchers[],\n    errorBag: {} as ErrorBag,\n  }),\n\n  watch: {\n    errorBag: {\n      handler (val) {\n        const errors = Object.values(val).includes(true)\n\n        this.$emit('input', !errors)\n      },\n      deep: true,\n      immediate: true,\n    },\n  },\n\n  methods: {\n    watchInput (input: any): Watchers {\n      const watcher = (input: any): (() => void) => {\n        return input.$watch('hasError', (val: boolean) => {\n          this.$set(this.errorBag, input._uid, val)\n        }, { immediate: true })\n      }\n\n      const watchers: Watchers = {\n        _uid: input._uid,\n        valid: () => {},\n        shouldValidate: () => {},\n      }\n\n      if (this.lazyValidation) {\n        // Only start watching inputs if we need to\n        watchers.shouldValidate = input.$watch('shouldValidate', (val: boolean) => {\n          if (!val) return\n\n          // Only watch if we're not already doing it\n          if (this.errorBag.hasOwnProperty(input._uid)) return\n\n          watchers.valid = watcher(input)\n        })\n      } else {\n        watchers.valid = watcher(input)\n      }\n\n      return watchers\n    },\n    /** @public */\n    validate (): boolean {\n      return this.inputs.filter(input => !input.validate(true)).length === 0\n    },\n    /** @public */\n    reset (): void {\n      this.inputs.forEach(input => input.reset())\n      this.resetErrorBag()\n    },\n    resetErrorBag () {\n      if (this.lazyValidation) {\n        // Account for timeout in validatable\n        setTimeout(() => {\n          this.errorBag = {}\n        }, 0)\n      }\n    },\n    /** @public */\n    resetValidation () {\n      this.inputs.forEach(input => input.resetValidation())\n      this.resetErrorBag()\n    },\n    register (input: VInputInstance) {\n      this.inputs.push(input)\n      this.watchers.push(this.watchInput(input))\n    },\n    unregister (input: VInputInstance) {\n      const found = this.inputs.find(i => i._uid === input._uid)\n\n      if (!found) return\n\n      const unwatch = this.watchers.find(i => i._uid === found._uid)\n      if (unwatch) {\n        unwatch.valid()\n        unwatch.shouldValidate()\n      }\n\n      this.watchers = this.watchers.filter(i => i._uid !== found._uid)\n      this.inputs = this.inputs.filter(i => i._uid !== found._uid)\n      this.$delete(this.errorBag, found._uid)\n    },\n  },\n\n  render (h): VNode {\n    return h('form', {\n      staticClass: 'v-form',\n      attrs: {\n        novalidate: true,\n        ...this.attrs$,\n      },\n      on: {\n        submit: (e: Event) => this.$emit('submit', e),\n      },\n    }, this.$slots.default)\n  },\n})\n"],"sourceRoot":""}