Manual:jsparse.php
MediaWiki file: jsparse.php | |
---|---|
Location: | maintenance/ |
Source code: | master • 1.42.3 • 1.41.4 • 1.39.10 |
Classes: | JSParseHelper |
Details
editjsparse.php file is a maintenance script for testing JavaScript validity using JSMin+'s parser. This is a useful feature to run parsing/syntax check on JavaScript files.
Options/Arguments
editThis script takes the filenames of the files to be validated as arguments, separated by spaces.
Usage
editphp maintenance/jsparse.php filename
Checking valid file
editexample.js
$( function () {
var $longList = $("#longList").addClass("grid_row");
var $leftDiv = $("<div>");
var $rightDiv = $("<div>");
$longList.append($leftDiv, $rightDiv);
});
Terminal
$ php maintenance/jsparse.php example.js example.js OK
Checking invalid file
editexample.js
$( function () {
var $longList = $("#longList").addClass("grid_row");
var $leftDiv = $("<div>");
var $rightDiv = $("<div>");
// Intentionally removed `);` from the end for the jsparse.php demo
$longList.append($leftDiv, $rightDiv
});
Terminal
$ php maintenance/jsparse.php example.js example.js ERROR: Parse error: Missing ) in parenthetical in file 'example.js' on line 7 Failed.
Common error
edit- $filename ERROR: could not read file
This error occurs when the file does not exist or the user running the script does not have permission to read the file.
If the file does exist, check the file permissions. If you are root user, then you can run the script with sudo.
See also
edit- Manual:eval.php (PHP interpreter)
- Manual:How to debug
- ResourceLoader/Architecture#Debug mode