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comparison src/site.js @ 3:2c63b10781e1

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add login
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 24 Oct 2024 21:43:44 -0600
parents
children dade6a560494
comparison
equal deleted inserted replaced
2:ee1f91e67509 3:2c63b10781e1
1 'use strict';
2
3 function ajax(url,postData,context) {
4 let request = new XMLHttpRequest();
5 let method = postData ? 'POST' : 'GET';
6 request.open( method, url );
7 if( postData )
8 request.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded' );
9 request.onload = function() {
10 if( request.status !== 200 ) {
11 let err = 'ajax failed: ' + request.status;
12 if( request.responseText ) {
13 err += '\n' + request.responseText.trim();
14 document.write('<pre>'+request.responseText+'</pre>');
15 }
16 err += '\nurl = ' + url;
17 err += '\npage = ' + window.location;
18 ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
19 return;
20 }
21 try {
22 eval( request.responseText );
23 } catch(e) {
24 console.log( request.responseText );
25 window.err = '\najax-url = ' + url;
26 throw e;
27 }
28 };
29 request.send(postData);
30 }
31
32 window.onerror = function(msg, url, line, col, error) {
33 if( !url )
34 return;
35 let err = msg;
36 err += '\nurl = ' + url;
37 if( url != window.location )
38 err += '\npage = ' + window.location;
39 err += '\nline = '+line;
40 if( col )
41 err += '\ncolumn = ' + col;
42 if( error ) {
43 if( error.stack )
44 err += '\nstack = ' + error.stack;
45 if( error.cause )
46 err += '\ncause= ' + error.cause;
47 if( error.fileName )
48 err += '\nfileName= ' + error.fileName;
49 }
50 if( window.err ) {
51 err += window.err;
52 window.err = null;
53 }
54 ajax( '/error_log.js', 'err='+encodeURIComponent(err) );
55 };
56
57 function ajaxForm(url,form) {
58 let post = '';
59 for( let i=0; i<form.length; i++ ) {
60 let input = form[i];
61 let name = input.name;
62 if( name === '' )
63 continue;
64 let type = input.type;
65 if( (type==='radio' || type==='checkbox') && !input.checked )
66 continue;
67 post += name + '=' + encodeURIComponent(input.value) + '&';
68 }
69 ajax(url,post,{form:form});
70 }
71
72 function logout() {
73 document.cookie = 'user=; Max-Age=0; path=/;';
74 document.cookie = 'password=; Max-Age=0; path=/;';
75 location = '/';
76 }