fetch-default

Add global default properties for the web fetch

install

npm i fetch-default --save

use

require('fetch-default');

//es
import 'fetch-default';

default setting optoin

fetch.default({ 
    method: 'GET',
   	headers: myHeaders,
   	mode: 'cors',
   	cache: 'default' 
   	...
});
/*
	//default
  	method: 'GET',
	headers: myHeaders,
 	mode: 'cors',
 	cache: 'default'
 	...
*/
    
	fetch('/async/get', {
    	method: 'POST'//covering to post
		})
		.then((response) => response.json())
		.then((json) => console.log(json));

default setting beforeSend

fetch.default({ 
	beforeSend() {
		if(example)this.uri=this.uri+'/example';
	}
});

default setting dataFilter

fetch.default({ 
	dataFilter(response) {

    	if (!response.ok) {
    		//if you use fetch-abort (https://www.npmjs.com/package/fetch-abort)
    		this.abort()
        	message.error(`${response.status}\n${response.statusText}`);
    	}

    	return response.json();

	}
});

default setting fail

fetch.default({ 
	fail(e) {
		//if you use fetch-abort (https://www.npmjs.com/package/fetch-abort)
		this.abort()
    	message.error(e.toString());
	}
});

A complete example

fetch.default({
	method: 'POST',
	headers: {
    	'Accept': 'application/json',
    	'Content-Type': ' application/json',
	},
	credentials: 'include',
	beforeSend() {
    	//excludes serviceWorker
    	if (!/http:\/\//.test(this.uri)&&process.env.HOME_PAGE) this.uri = `${process.env.FETCH_PREFIX}${this.uri}`;
	},
	async dataFilter(response) {

    	//excludes serviceWorker request flies
    	if(!/^((ht|f)tps?):\/\/[\s\S]+\/[\s\S]+\.[\s\S]+$/.test(response.url)){

        	if (response.ok===false) {
            	message.error(`${response.status}\n${response.statusText}`);
            	return {}
        	}

        	let data = await response.json();

        	let {code,message:messageDes,messageBody} = data;

        	//not login
        	// if(code === 5000){
        	//     message.error(messageDes);
        	//     store.dispatch(actiontor.loginFlag(false));
        	// }

        	if(code !== '9000'){
            	message.error(messageDes);
        	}

        	return data;

    	}else{
        	return response
    	}

	},
	fail(e) {
    	message.error(e.toString());
    	return e
	}
});        		

Community

github npm