types(Picker): add PickerInstance type (#9183)

src/picker/types.ts

@@ -0,0 +1,47 @@
+/* eslint-disable no-use-before-define */
+import type { ComponentPublicInstance } from 'vue';
+import type { PickerProps } from './Picker';
+
+export type PickerToolbarPosition = 'top' | 'bottom';
+
+export type PickerFieldNames = {
+  text?: string;
+  values?: string;
+  children?: string;
+};
+
+export type PickerObjectOption = {
+  text?: string | number;
+  disabled?: boolean;
+  // for custom filed names
+  [key: string]: any;
+};
+
+export type PickerOption = string | number | PickerObjectOption;
+
+export type PickerObjectColumn = {
+  values?: PickerOption[];
+  children?: PickerColumn;
+  className?: unknown;
+  defaultIndex?: number;
+  // for custom filed names
+  [key: string]: any;
+};
+
+export type PickerColumn = PickerOption[] | PickerObjectColumn;
+
+export type PickerExpose = {
+  confirm: () => void;
+  getValues: () => PickerOption[];
+  setValues: (values: string[]) => void;
+  getIndexes: () => number[];
+  setIndexes: (indexes: number[]) => void;
+  getColumnIndex: (index: number) => number;
+  setColumnIndex: (columnIndex: number, optionIndex: number) => void;
+  getColumnValue: (index: number) => PickerOption;
+  setColumnValue: (index: number, value: string) => void;
+  getColumnValues: (index: number) => PickerOption[];
+  setColumnValues: (index: number, options: PickerOption[]) => void;
+};
+
+export type PickerInstance = ComponentPublicInstance<PickerProps, PickerExpose>;