ts and assignPropValue

src/js/assignPropValue.ts

@@ -0,0 +1,22 @@
+/**
+ * 给列表根据每一项prop属性与给定的数据组合带有数据的列表
+ * @param list 带有prop属性的列表
+ * @param data 数据
+ * @param addToLabel 是否将数据加到 label 上
+ * @returns 返回处理后的列表
+ */
+export function assignPropValue<T>(
+  list: readonly (T & { prop: string; label: string })[],
+  data: Record<string, any>,
+  addToLabel = false
+) {
+  return list.map((item) => {
+    const { prop, label, ...restField } = item;
+    const count = data[prop];
+    return {
+      ...restField,
+      label: addToLabel ? `${label}(${count})` : label,
+      count,
+    };
+  });
+}

src/js/floatAdd.ts

@@ -7,7 +7,7 @@ import { isNumber } from "lodash-es";
  * @returns 相加之和
  * @description 使用两个数中小数点后位数较长的作为基数，抹平两个数的小数点，整数相加之后再除以基数，还原小数点。注意整体数值的位数不能超过最大整数范围
  */
-export const floatAdd = (num1: number, num2: number) => {
+export function floatAdd(num1: number, num2: number) {
   if (!isNumber(num1) || !isNumber(num2)) return NaN;
   let baseNum1: number;
   let baseNum2: number;
@@ -24,4 +24,4 @@ export const floatAdd = (num1: number, num2: number) => {
   const baseNum = Math.pow(10, Math.max(baseNum1, baseNum2));
   const result = ((num1 * baseNum + num2 * baseNum) / baseNum).toFixed(2);
   return +result;
-};
+}

src/ts/ValueOf.ts

@@ -1,9 +1,7 @@
 // ValueOf 将对象类型转换成值的枚举值
-// keyof 操作符，遍历对象的key
 export type ValueOf<T> = T[keyof T];
 export const enum1 = {
   AAA: "aaa",
   BBB: "bbb",
 } as const;
-// typeof 提取类型
 export type TEnum1 = ValueOf<typeof enum1>;

src/ts/WithId.ts

@@ -0,0 +1,2 @@
+// 添加id
+export type WithId<T, P = string> = T & { id: P };

src/ts/handle.ts

@@ -0,0 +1,16 @@
+// keyof 操作符，遍历对象的key
+export type keys<T> = keyof T;
+
+const a = { a: 1, b: 2, c: 3 };
+
+// typeof 提取类型
+export type Ta = keys<typeof a>;
+
+// Omit 去除某一项
+export type Ta2 = Omit<typeof a, "b">;
+
+// Pick 选择某一项
+export type Ta3 = Pick<typeof a, "c">;
+
+// & 添加
+export type Ta4 = Ta3 & { d: string };

src/uni-app/rpx2px.ts

@@ -1,8 +1,8 @@
-import { isNumber } from 'lodash-es';
+import { isNumber } from "lodash-es";
 
-export const rpx2px = (rpx) => {
+export function rpx2px(rpx: number) {
-    if (!isNumber(rpx)) return 0;
+  if (!isNumber(rpx)) return 0;
-    const screenWidth = uni.getSystemInfoSync().screenWidth;
+  const screenWidth = uni.getSystemInfoSync().screenWidth;
-    const result = (screenWidth * rpx) / 750
+  const result = (screenWidth * rpx) / 750;
-    return result;
+  return result;
-  }
+}