wasabi-api
Version:
74 lines (60 loc) • 2.67 kB
JavaScript
/**
* ajax参数验证
* @param {{}} settings ajax请求的配置参数
* @returns bool
* * date:2020-02-29 修复contentType为false时，要用===判断，否则与""相等了
date:2020-09-22 将date
* edit 2021-04-10 增加处理json格式时的参数
edit 2021-05-18 修复contentType的bug
*/
export default function validate(settings) {
if (!settings || !(settings instanceof Object)) {
throw new Error("ajax配置无效,不能为空,必须为对象");
}
if (settings.data instanceof Array) {
throw new Error("ajax的data参数必须是字符,空值,对象,FormData,不可以为数组");
}
if (!settings.dataType) { //回传的数据格式,默认为json
settings.dataType = "json";
}
if (!settings.type) { //请求方式
settings.type = "GET";
}
if (typeof settings.type !== "string") {
throw new Error("ajax中的type参数必须是字符");
}
if (settings.async !== false) {
settings.async = true; //默认为异步的
}
if (!settings.url) {
throw new Error("ajax请求地址不能为空");
}
if (typeof settings.url !== "string") {
throw new Error("ajax请求地址必须是字符串");
}
if (!settings.success) {
throw new Error("ajax的success[请求成功函数]不能为空");
} else if (typeof settings.success !== "function") {
throw new Error("ajax的success[请求成功函数]必须为函数");
}
if (settings.error && typeof settings.error !== "function") {
throw new Error("ajax的error[请求失败函数]必须为函数");
}
if (settings.progress && typeof settings.progress !== "function") {
throw new Error("ajax的progress[上传进度函数]必须为函数");
}
if (settings.contentType === null || settings.contentType === undefined || settings.contentType === "") {
//请求的数据格式,默认值,如果为false，是正确值
settings.contentType = "application/x-www-form-urlencoded"; //默认表单提交
}
if (settings.headers && !(settings.headers instanceof Object)) {
throw new Error("headers要么为空，要么为对象");
}
if (settings.contentType&&settings.contentType.indexOf("json") > -1) {//json格式
if (settings.data && typeof settings.data == "object" && settings.data instanceof Object && !(settings.data instanceof FormData)) {//
//不为空，是对象，但不是FormData
settings.data = JSON.stringify(settings.data);
}
}
return true;
}