feat(url): 增加url的一些方法

src/index.ts

@@ -11,3 +11,4 @@ export * from './css'
 export * from './wecom-robot'
 export * from './function'
 export * from './object'
+export * from './url'

src/url.ts

@@ -0,0 +1,78 @@
+/**
+ * url参数变数组
+ * @param {*} url
+ * @returns {Object} search对象
+ * 
+ * @example
+   ```ts
+  const res = getQueryObj('https://igame.qq.com?name=mike&age=18&feel=cold&from=china');
+  /**
+   * {
+   *   name: 'mike',
+   *   age: '18',
+   *   feel: "cold",
+   *   from: 'china',
+   * }
+   * /
+  ```
+ */
+export function getQueryObj(url) {
+  const query = {}
+
+  let qs = url.substr(url.indexOf('?') > -1 ? url.indexOf('?') + 1 : url.length)
+  let kvs
+
+  qs = qs.split('&')
+  qs.forEach(item => {
+    kvs = item.split('=')
+    if (kvs.length === 2) {
+      const value = kvs[1]
+      query[kvs[0]] = value
+    }
+  })
+
+  return query
+}
+
+/**
+ * 组装`url`参数，将search参数添加在后面
+ * @param {string} url
+ * @param {Object} queryObj
+ * @returns {string} 组装后的url
+ * 
+ * @example
+   ```ts
+  const res = composeUrlQuery('https://baidu.com', {
+    name: 'mike',
+    feel: "cold",
+    age: '18',
+    from: 'test',
+  });
+  // https://baidu.com?name=mike&feel=cold&age=18&from=test
+
+
+  const res = composeUrlQuery('https://baidu.com?gender=male', {
+    name: 'mike',
+    feel: "cold",
+    age: '18',
+    from: 'test',
+  });
+  // https://baidu.com?gender=male&name=mike&feel=cold&age=18&from=test
+  ```
+  */
+export function composeUrlQuery(url, queryObj) {
+  const oriQuery = getQueryObj(url)
+  let pathname = url.substr(
+    0,
+    url.indexOf('?') > -1 ? url.indexOf('?') : url.length,
+  )
+  pathname += '?'
+  const allQuery = {
+    ...oriQuery,
+    ...queryObj,
+  }
+  Object.keys(allQuery).forEach(i => {
+    pathname += `${i}=${allQuery[i]}&`
+  })
+  return pathname.substr(0, pathname.length - 1)
+}

test/url.test.ts

@@ -0,0 +1,38 @@
+import { getQueryObj, composeUrlQuery } from '../src'
+
+describe('getQueryObj', () => {
+  it('', () => {
+    expect(
+      getQueryObj('https://igame.qq.com?name=mike&age=18&feel=cold&from=china'),
+    ).toEqual({
+      name: 'mike',
+      age: '18',
+      feel: 'cold',
+      from: 'china',
+    })
+  })
+})
+
+describe('composeUrlQuery', () => {
+  it('', () => {
+    expect(
+      composeUrlQuery('https://baidu.com', {
+        name: 'mike',
+        feel: 'cold',
+        age: '18',
+        from: 'test',
+      }),
+    ).toBe('https://baidu.com?name=mike&feel=cold&age=18&from=test')
+  })
+
+  it('already has query', () => {
+    expect(
+      composeUrlQuery('https://baidu.com?gender=male', {
+        name: 'mike',
+        feel: 'cold',
+        age: '18',
+        from: 'test',
+      }),
+    ).toBe('https://baidu.com?gender=male&name=mike&feel=cold&age=18&from=test')
+  })
+})