uni-app引入使用uView

yudao-ui-app/uni_modules/uview-ui/libs/luch-request/utils.js

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+'use strict'
+
+// utils is a library of generic helper functions non-specific to axios
+
+const { toString } = Object.prototype
+
+/**
+ * Determine if a value is an Array
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an Array, otherwise false
+ */
+export function isArray(val) {
+    return toString.call(val) === '[object Array]'
+}
+
+/**
+ * Determine if a value is an Object
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is an Object, otherwise false
+ */
+export function isObject(val) {
+    return val !== null && typeof val === 'object'
+}
+
+/**
+ * Determine if a value is a Date
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a Date, otherwise false
+ */
+export function isDate(val) {
+    return toString.call(val) === '[object Date]'
+}
+
+/**
+ * Determine if a value is a URLSearchParams object
+ *
+ * @param {Object} val The value to test
+ * @returns {boolean} True if value is a URLSearchParams object, otherwise false
+ */
+export function isURLSearchParams(val) {
+    return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams
+}
+
+/**
+ * Iterate over an Array or an Object invoking a function for each item.
+ *
+ * If `obj` is an Array callback will be called passing
+ * the value, index, and complete array for each item.
+ *
+ * If 'obj' is an Object callback will be called passing
+ * the value, key, and complete object for each property.
+ *
+ * @param {Object|Array} obj The object to iterate
+ * @param {Function} fn The callback to invoke for each item
+ */
+export function forEach(obj, fn) {
+    // Don't bother if no value provided
+    if (obj === null || typeof obj === 'undefined') {
+        return
+    }
+
+    // Force an array if not already something iterable
+    if (typeof obj !== 'object') {
+    /* eslint no-param-reassign:0 */
+        obj = [obj]
+    }
+
+    if (isArray(obj)) {
+    // Iterate over array values
+        for (let i = 0, l = obj.length; i < l; i++) {
+            fn.call(null, obj[i], i, obj)
+        }
+    } else {
+    // Iterate over object keys
+        for (const key in obj) {
+            if (Object.prototype.hasOwnProperty.call(obj, key)) {
+                fn.call(null, obj[key], key, obj)
+            }
+        }
+    }
+}
+
+/**
+ * 是否为boolean 值
+ * @param val
+ * @returns {boolean}
+ */
+export function isBoolean(val) {
+    return typeof val === 'boolean'
+}
+
+/**
+ * 是否为真正的对象{} new Object
+ * @param {any} obj - 检测的对象
+ * @returns {boolean}
+ */
+export function isPlainObject(obj) {
+    return Object.prototype.toString.call(obj) === '[object Object]'
+}
+
+/**
+ * Function equal to merge with the difference being that no reference
+ * to original objects is kept.
+ *
+ * @see merge
+ * @param {Object} obj1 Object to merge
+ * @returns {Object} Result of all merge properties
+ */
+export function deepMerge(/* obj1, obj2, obj3, ... */) {
+    const result = {}
+    function assignValue(val, key) {
+        if (typeof result[key] === 'object' && typeof val === 'object') {
+            result[key] = deepMerge(result[key], val)
+        } else if (typeof val === 'object') {
+            result[key] = deepMerge({}, val)
+        } else {
+            result[key] = val
+        }
+    }
+    for (let i = 0, l = arguments.length; i < l; i++) {
+        forEach(arguments[i], assignValue)
+    }
+    return result
+}
+
+export function isUndefined(val) {
+    return typeof val === 'undefined'
+}