juicescript/legacy-code
juicescript/legacy-code
Archived
0
0
Fork 0
Code

🔨 print javascript errors to html console in dev-env

Browse Source
This commit is contained in:
DrMaxNix 2022-10-01 17:10:04 +02:00
parent 6b3bc93401
commit c0ef3b82c7
1 changed files with 79 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
dev/index.php
View File

@ -52,29 +52,108 @@
span.line.stderr-info { color: var(--onedark-blue); }
span.line.stderr-warning { color: var(--onedark-orange); }
span.line.stderr-error { color: var(--onedark-red); }
span.line.stderr-javascript { color: var(--onedark-purple); }
</style>
<script type="text/javascript">
// CLEAR DEBUGGING FLAGS //
// line occupancy in built js source
let debug_source_line_occupancy = {};
// EMPTY ERROR BUFFER FOR TIME UNTIL HTML IS AVAILABLE //
let javascript_error_buffer = [];
function debug_javascript_error_message(error_event){
// TRANSLATE TO SOURCE FILE'S LINES //
// find source file occupying this line
let source_file = null;
let source_line = 0;
for(var one_source_file in debug_source_line_occupancy){
let occupancy = debug_source_line_occupancy[one_source_file];
if(error_event.lineno >= occupancy.start && (occupancy.end === undefined || error_event.lineno <= occupancy.end)){
// remember source file name
source_file = one_source_file;
// translate compiled line to source file line
source_line = error_event.lineno - debug_source_line_occupancy[source_file].start + 1;
// stop searching
break;
}
}
// OUTPUT MESSAGE //
// build line info
let line_info_string;
if(source_file !== null){
line_info_string = source_file + " line " + source_line;
} else {
line_info_string = "raw source" + " line " + error_event.lineno;
}
// send to callback
my_error_callback("(" + line_info_string + ") " + error_event.message, "javascript");
}
// EMPTY ERROR BUFFER WHEN HTML IS AVAILABLE //
document.addEventListener("DOMContentLoaded", function(){
// print messages
for(var one_error_event of javascript_error_buffer){
debug_javascript_error_message(one_error_event);
}
// disable buffer
javascript_error_buffer = null;
});
window.addEventListener("error", function(error_event){
// OUTPUT //
if(javascript_error_buffer !== null){
// add to buffer
javascript_error_buffer.push(error_event);
} else {
// output directly
debug_javascript_error_message(error_event);
}
// DON'T CANCEL EVENT //
return false;
});
</script>
<script type="text/javascript">
"use strict";
<?php
foreach(scandir("../src/helper") as $one_file){
if(is_file("../src/helper/" . $one_file)){
echo("debug_source_line_occupancy[\"" . $one_file . "\"] = {start: new Error().lineNumber};");
require("../src/helper/" . $one_file);
echo("\n");
echo("debug_source_line_occupancy[\"" . $one_file . "\"].end = new Error().lineNumber;");
}
}
foreach(scandir("../src") as $one_file){
if(is_file("../src/" . $one_file)){
echo("debug_source_line_occupancy[\"" . $one_file . "\"] = {start: new Error().lineNumber};");
require("../src/" . $one_file);
echo("\n");
echo("debug_source_line_occupancy[\"" . $one_file . "\"].end = new Error().lineNumber;");
}
}
foreach(scandir("../src/command") as $one_file){
if(is_file("../src/command/" . $one_file)){
echo("debug_source_line_occupancy[\"" . $one_file . "\"] = {start: new Error().lineNumber};");
require("../src/command/" . $one_file);
echo("\n");
echo("debug_source_line_occupancy[\"" . $one_file . "\"].end = new Error().lineNumber;");
}
}
?>