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src/components/da-tree/utils.ts

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+/** 未选 */
+export const unCheckedStatus = 0;
+/** 半选 */
+export const halfCheckedStatus = 1;
+/** 选中 */
+export const isCheckedStatus = 2;
+
+/**
+ * 深拷贝内容
+ * @param originData 拷贝对象
+ * @author crlang(https://crlang.com)
+ */
+export function deepClone(originData: any): any {
+  const type = Object.prototype.toString.call(originData);
+  let data: any;
+  if (type === "[object Array]") {
+    data = [];
+    for (let i = 0; i < originData.length; i++) {
+      data.push(deepClone(originData[i]));
+    }
+  } else if (type === "[object Object]") {
+    data = {} as Record<string, any>;
+    for (const prop in originData) {
+      if (Object.prototype.hasOwnProperty.call(originData, prop)) {
+        // 非继承属性
+        data[prop] = deepClone(originData[prop]);
+      }
+    }
+  } else {
+    data = originData;
+  }
+  return data;
+}
+
+/**
+ * 获取所有指定的节点
+ * @param list 列表
+ * @param type 类型
+ * @param value 值
+ * @param packDisabledkey 是否包含禁用节点
+ * @author crlang(https://crlang.com)
+ */
+export function getAllNodes(list: any[], type: string, value: any, packDisabledkey = true): any[] {
+  if (!list || list.length === 0) {
+    return [];
+  }
+
+  const res = [];
+  for (let i = 0; i < list.length; i++) {
+    const item = list[i];
+    if (item[type] === value) {
+      if ((packDisabledkey && item.disabled) || !item.disabled) {
+        res.push(item);
+      }
+    }
+  }
+
+  return res;
+}
+
+/**
+ * 获取所有指定的key值
+ * @param list 列表
+ * @param type 类型
+ * @param value 值
+ * @param packDisabledkey 是否包含禁用节点
+ * @author crlang(https://crlang.com)
+ */
+export function getAllNodeKeys(
+  list: any[],
+  type: string,
+  value: any,
+  packDisabledkey = true
+): string[] | null {
+  if (!list || list.length === 0) {
+    return null;
+  }
+
+  const res: string[] = [];
+  for (let i = 0; i < list.length; i++) {
+    const item = list[i];
+    if (item[type] === value) {
+      if ((packDisabledkey && item.disabled) || !item.disabled) {
+        res.push(item.key);
+      }
+    }
+  }
+
+  return res.length ? res : null;
+}
+
+/**
+ * 错误输出
+ * @param msg 错误消息
+ * @param args 附加参数
+ */
+export function logError(msg: string, ...args: any[]): void {
+  console.error(`DaTree: ${msg}`, ...args);
+}
+
+const toString = Object.prototype.toString;
+
+export function is(val: any, type: string): boolean {
+  return toString.call(val) === `[object ${type}]`;
+}
+
+/**
+ * 是否对象(Object)
+ * @param val 值
+ */
+export function isObject(val: any): boolean {
+  return val !== null && is(val, "Object");
+}
+
+/**
+ * 是否数字(Number)
+ * @param val 值
+ */
+export function isNumber(val: any): boolean {
+  return is(val, "Number");
+}
+
+/**
+ * 是否字符串(String)
+ * @param val 值
+ */
+export function isString(val: any): boolean {
+  return is(val, "String");
+}
+
+/**
+ * 是否函数方法(Function)
+ * @param val 值
+ */
+export function isFunction(val: any): boolean {
+  return typeof val === "function";
+}
+
+/**
+ * 是否布尔(Boolean)
+ * @param val 值
+ */
+export function isBoolean(val: any): boolean {
+  return is(val, "Boolean");
+}
+
+/**
+ * 是否数组(Array)
+ * @param val 值
+ */
+export function isArray(val: any): boolean {
+  return val && Array.isArray(val);
+}