Mercurial Repositories > eric / changeset

--- a/docs/changelog.md	Fri Nov 24 14:59:26 2023 +0100
+++ b/docs/changelog.md	Sat Nov 25 18:19:21 2023 +0100
@@ -30,6 +30,8 @@
       plugins.
 - Syntax Checker
     - Added code to show some per file and overall statistics of the check.
+    - Re-introduced the JavaScript syntax checker. This time it is based on
+      the `esprima` package.
 
 ### Version 23.11
 - bug fixes

--- a/eric7.epj	Fri Nov 24 14:59:26 2023 +0100
+++ b/eric7.epj	Sat Nov 25 18:19:21 2023 +0100
@@ -1550,6 +1550,7 @@
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckService.py",
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckerDialog.py",
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/__init__.py",
+      "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/jsCheckSyntax.py",
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/jsonCheckSyntax.py",
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/pyCheckSyntax.py",
       "src/eric7/Plugins/CheckerPlugins/SyntaxChecker/pyflakes/__init__.py",

--- a/pyproject.toml	Fri Nov 24 14:59:26 2023 +0100
+++ b/pyproject.toml	Sat Nov 25 18:19:21 2023 +0100
@@ -66,6 +66,7 @@
     "PyQt6-QScintilla>=2.13.0",
     "docutils",
     "Markdown",
+    "esprima",
     "pyyaml",
     "tomlkit",
     "chardet",
@@ -83,7 +84,6 @@
     "coverage>=6.5.0",
     "semver",
     "pipdeptree",
-    "importlib-metadata; python_version<'3.8'",
     "pywin32>=1.0;platform_system=='Windows'",
 ]
 dynamic = ["version"]

--- a/scripts/install-dependencies.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/scripts/install-dependencies.py	Sat Nov 25 18:19:21 2023 +0100
@@ -85,6 +85,7 @@
         "chardet",
         "pyenchant",
         "wheel",
+        "esprima",
     )
 
     packages = []

--- a/scripts/install.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/scripts/install.py	Sat Nov 25 18:19:21 2023 +0100
@@ -1643,6 +1643,7 @@
         "chardet": ("chardet", ""),
         "pyenchant": ("enchant", ""),
         "wheel": ("wheel", ""),
+        "esprima": ("esprima", ""),
     }
     if withPyqt6Tools:
         optionalModulesList["qt6-applications"] = ("qt6_applications", "")

--- a/src/eric7/APIs/Python3/eric7.api	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/APIs/Python3/eric7.api	Sat Nov 25 18:19:21 2023 +0100
@@ -4865,6 +4865,11 @@
 eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.SyntaxCheckerDialog.startForBrowser?4(fn)
 eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.SyntaxCheckerDialog.warningRole?7
 eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.SyntaxCheckerDialog?1(parent=None)
+eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.initBatchService?4()
+eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.initService?4()
+eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.jsSyntaxBatchCheck?4(argumentsList, send, fx, cancelled, maxProcesses=0)
+eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.jsSyntaxCheck?4(file, codestring)
+eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.workerTask?4(inputQueue, outputQueue)
 eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.initBatchService?4()
 eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.initService?4()
 eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.jsonSyntaxBatchCheck?4(argumentsList, send, fx, cancelled, maxProcesses=0)

Binary file src/eric7/Documentation/Help/source.qch has changed

--- a/src/eric7/Documentation/Help/source.qhp	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Help/source.qhp	Sat Nov 25 18:19:21 2023 +0100
@@ -519,6 +519,7 @@
               <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker" ref="index-eric7.Plugins.CheckerPlugins.SyntaxChecker.html">
                 <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService.html" />
                 <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.html" />
+                <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html" />
                 <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html" />
                 <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html" />
                 <section title="eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html" />
@@ -19427,6 +19428,7 @@
       <keyword name="__initChannelModesDict" id="__initChannelModesDict" ref="eric7.Network.IRC.IrcUtilities.html#__initChannelModesDict" />
       <keyword name="__init__" id="__init__" ref="eric7.Plugins.WizardPlugins.EricPluginWizard.Templates.html#__init__" />
       <keyword name="__initializeCondaInterface" id="__initializeCondaInterface" ref="eric7.CondaInterface.__init__.html#__initializeCondaInterface" />
+      <keyword name="__jsSyntaxCheck" id="__jsSyntaxCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#__jsSyntaxCheck" />
       <keyword name="__jsonSyntaxCheck" id="__jsonSyntaxCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#__jsonSyntaxCheck" />
       <keyword name="__main__ (Module)" id="__main__ (Module)" ref="eric7.__main__.html" />
       <keyword name="__mapType" id="__mapType" ref="eric7.Project.UicLoadUi5.html#__mapType" />
@@ -20185,6 +20187,7 @@
       <keyword name="indentation" id="indentation" ref="eric7.Plugins.CheckerPlugins.CodeStyleChecker.pycodestyle.html#indentation" />
       <keyword name="information" id="information" ref="eric7.EricWidgets.EricMessageBox.html#information" />
       <keyword name="initBatchService" id="initBatchService" ref="eric7.Plugins.CheckerPlugins.CodeStyleChecker.CodeStyleChecker.html#initBatchService" />
+      <keyword name="initBatchService" id="initBatchService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#initBatchService" />
       <keyword name="initBatchService" id="initBatchService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#initBatchService" />
       <keyword name="initBatchService" id="initBatchService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html#initBatchService" />
       <keyword name="initBatchService" id="initBatchService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html#initBatchService" />
@@ -20194,6 +20197,7 @@
       <keyword name="initRecentSettings" id="initRecentSettings" ref="eric7.Preferences.__init__.html#initRecentSettings" />
       <keyword name="initSSL" id="initSSL" ref="eric7.EricNetwork.EricSslUtilities.html#initSSL" />
       <keyword name="initService" id="initService" ref="eric7.Plugins.CheckerPlugins.CodeStyleChecker.CodeStyleChecker.html#initService" />
+      <keyword name="initService" id="initService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#initService" />
       <keyword name="initService" id="initService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#initService" />
       <keyword name="initService" id="initService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html#initService" />
       <keyword name="initService" id="initService" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html#initService" />
@@ -20248,6 +20252,9 @@
       <keyword name="isinpath" id="isinpath" ref="eric7.SystemUtilities.FileSystemUtilities.html#isinpath" />
       <keyword name="jinja2Templates (Module)" id="jinja2Templates (Module)" ref="eric7.Plugins.CheckerPlugins.CodeStyleChecker.Security.Checks.jinja2Templates.html" />
       <keyword name="joinext" id="joinext" ref="eric7.SystemUtilities.FileSystemUtilities.html#joinext" />
+      <keyword name="jsCheckSyntax (Module)" id="jsCheckSyntax (Module)" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html" />
+      <keyword name="jsSyntaxBatchCheck" id="jsSyntaxBatchCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#jsSyntaxBatchCheck" />
+      <keyword name="jsSyntaxCheck" id="jsSyntaxCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#jsSyntaxCheck" />
       <keyword name="jsonCheckSyntax (Module)" id="jsonCheckSyntax (Module)" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html" />
       <keyword name="jsonSyntaxBatchCheck" id="jsonSyntaxBatchCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#jsonSyntaxBatchCheck" />
       <keyword name="jsonSyntaxCheck" id="jsonSyntaxCheck" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#jsonSyntaxCheck" />
@@ -20608,6 +20615,7 @@
       <keyword name="windowsDesktopEntries" id="windowsDesktopEntries" ref="eric7.eric7_post_install.html#windowsDesktopEntries" />
       <keyword name="windowsProgramsEntry" id="windowsProgramsEntry" ref="eric7.eric7_post_install.html#windowsProgramsEntry" />
       <keyword name="workerTask" id="workerTask" ref="eric7.Plugins.CheckerPlugins.CodeStyleChecker.CodeStyleChecker.html#workerTask" />
+      <keyword name="workerTask" id="workerTask" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html#workerTask" />
       <keyword name="workerTask" id="workerTask" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html#workerTask" />
       <keyword name="workerTask" id="workerTask" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html#workerTask" />
       <keyword name="workerTask" id="workerTask" ref="eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html#workerTask" />
@@ -21022,6 +21030,7 @@
       <file>eric7.Plugins.CheckerPlugins.CodeStyleChecker.translations.html</file>
       <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService.html</file>
       <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.html</file>
+      <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html</file>
       <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html</file>
       <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html</file>
       <file>eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html</file>

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService.html	Sat Nov 25 18:19:21 2023 +0100
@@ -164,19 +164,25 @@
 </p>
 <dl>
 
-<dt><i>filename</i></dt>
+<dt><i>filename</i> (str)</dt>
 <dd>
-of the sourcefile (str)
+of the sourcefile
 </dd>
-<dt><i>source</i></dt>
+<dt><i>source</i> (str)</dt>
 <dd>
-code of the file (str)
+code of the file
 </dd>
 </dl>
 <dl>
 <dt>Return:</dt>
 <dd>
-language of the file or None if not found (str or None)
+language of the file or None if not found
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+str or None
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.__serviceError" ID="SyntaxCheckService.__serviceError"></a>
@@ -188,13 +194,13 @@
 </p>
 <dl>
 
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.addLanguage" ID="SyntaxCheckService.addLanguage"></a>
@@ -206,40 +212,39 @@
 </p>
 <dl>
 
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-new language to check syntax (str)
+new language to check syntax
 </dd>
-<dt><i>env</i></dt>
+<dt><i>env</i> (str)</dt>
 <dd>
-the environment in which the checker is implemented (str)
+the environment in which the checker is implemented
 </dd>
-<dt><i>path</i></dt>
+<dt><i>path</i> (str)</dt>
 <dd>
-full path to the module (str)
+full path to the module
 </dd>
-<dt><i>module</i></dt>
+<dt><i>module</i> (str)</dt>
 <dd>
-name to import (str)
+name to import
 </dd>
-<dt><i>getArgs</i></dt>
+<dt><i>getArgs</i> (function)</dt>
 <dd>
 function to collect the required arguments to call the
-            syntax checker on client side (function)
+            syntax checker on client side
 </dd>
-<dt><i>getExt</i></dt>
+<dt><i>getExt</i> (function)</dt>
 <dd>
 function that returns the supported file extensions of
-            the syntax checker (function)
+            the syntax checker
 </dd>
-<dt><i>callback</i></dt>
+<dt><i>callback</i> (function)</dt>
 <dd>
-function on service response (function)
+function on service response
 </dd>
-<dt><i>onError</i></dt>
+<dt><i>onError</i> (function)</dt>
 <dd>
 callback function if client or service isn't available
-            (function)
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.batchJobDone" ID="SyntaxCheckService.batchJobDone"></a>
@@ -251,13 +256,13 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.cancelSyntaxBatchCheck" ID="SyntaxCheckService.cancelSyntaxBatchCheck"></a>
@@ -278,7 +283,13 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-set of all supported file extensions (set of str)
+set of all supported file extensions
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+set of str
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.getLanguages" ID="SyntaxCheckService.getLanguages"></a>
@@ -291,7 +302,13 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-list of languanges supported (list of str)
+list of languanges supported
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+list of str
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.removeLanguage" ID="SyntaxCheckService.removeLanguage"></a>
@@ -303,9 +320,9 @@
 </p>
 <dl>
 
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language to remove (str)
+language to remove
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.serviceErrorJSON" ID="SyntaxCheckService.serviceErrorJSON"></a>
@@ -317,21 +334,21 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.serviceErrorJavaScript" ID="SyntaxCheckService.serviceErrorJavaScript"></a>
@@ -343,21 +360,21 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.serviceErrorPy3" ID="SyntaxCheckService.serviceErrorPy3"></a>
@@ -369,21 +386,21 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.serviceErrorTOML" ID="SyntaxCheckService.serviceErrorTOML"></a>
@@ -395,21 +412,21 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.serviceErrorYAML" ID="SyntaxCheckService.serviceErrorYAML"></a>
@@ -421,21 +438,21 @@
 </p>
 <dl>
 
-<dt><i>fx</i></dt>
+<dt><i>fx</i> (str)</dt>
 <dd>
-service name (string)
+service name
 </dd>
-<dt><i>lang</i></dt>
+<dt><i>lang</i> (str)</dt>
 <dd>
-language (string)
+language
 </dd>
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-file name (string)
+file name
 </dd>
-<dt><i>msg</i></dt>
+<dt><i>msg</i> (str)</dt>
 <dd>
-message text (string)
+message text
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.syntaxBatchCheck" ID="SyntaxCheckService.syntaxBatchCheck"></a>
@@ -447,10 +464,10 @@
 </p>
 <dl>
 
-<dt><i>argumentsList</i></dt>
+<dt><i>argumentsList</i> (list of tuples of (str, str))</dt>
 <dd>
-list of arguments tuples with each tuple
-            containing filename and source (string, string)
+list of argument tuples with each tuple
+            containing filename and source
 </dd>
 </dl>
 <a NAME="SyntaxCheckService.syntaxCheck" ID="SyntaxCheckService.syntaxCheck"></a>

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckerDialog.html	Sat Nov 25 18:19:21 2023 +0100
@@ -368,12 +368,14 @@
 <dd>
 filename of the checked file
 </dd>
-<dt><i>problems</i> (dict)</dt>
+<dt><i>problems</i> (list of dict)</dt>
 <dd>
-dictionary with the keys 'error', 'py_warnings' and
-            'warnings' which hold a list containing details about the error or
-            warnings (file name, line number, column, codestring (only at syntax
-            errors), message)
+list of dictionaries with the keys 'error', 'py_warnings' and
+            'warnings' which contain a tuple with details about the syntax error or a
+            list of tuples with details about Python warnings and PyFlakes warnings.
+            Each tuple contains the file name, line number, column, code string (only
+            for syntax errors), the message and an optional list with arguments for
+            the message.
 </dd>
 </dl>
 <a NAME="SyntaxCheckerDialog.__resetStatistics" ID="SyntaxCheckerDialog.__resetStatistics"></a>

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html	Sat Nov 25 18:19:21 2023 +0100
@@ -0,0 +1,222 @@
+<!DOCTYPE html>
+<html><head>
+<title>eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax</title>
+<meta charset="UTF-8">
+<link rel="stylesheet" href="styles.css">
+</head>
+<body>
+<a NAME="top" ID="top"></a>
+<h1>eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax</h1>
+
+<p>
+Module implementing the syntax check for JavaScript.
+</p>
+<h3>Global Attributes</h3>
+
+<table>
+<tr><td>None</td></tr>
+</table>
+<h3>Classes</h3>
+
+<table>
+<tr><td>None</td></tr>
+</table>
+<h3>Functions</h3>
+
+<table>
+
+<tr>
+<td><a href="#__jsSyntaxCheck">__jsSyntaxCheck</a></td>
+<td>Function to check a JavaScript source file for syntax errors.</td>
+</tr>
+<tr>
+<td><a href="#initBatchService">initBatchService</a></td>
+<td>Initialize the batch service and return the entry point.</td>
+</tr>
+<tr>
+<td><a href="#initService">initService</a></td>
+<td>Initialize the service and return the entry point.</td>
+</tr>
+<tr>
+<td><a href="#jsSyntaxBatchCheck">jsSyntaxBatchCheck</a></td>
+<td>Module function to check syntax for a batch of files.</td>
+</tr>
+<tr>
+<td><a href="#jsSyntaxCheck">jsSyntaxCheck</a></td>
+<td>Function to check a Javascript source file for syntax errors.</td>
+</tr>
+<tr>
+<td><a href="#workerTask">workerTask</a></td>
+<td>Module function acting as the parallel worker for the syntax check.</td>
+</tr>
+</table>
+<hr />
+<hr />
+<a NAME="__jsSyntaxCheck" ID="__jsSyntaxCheck"></a>
+<h2>__jsSyntaxCheck</h2>
+<b>__jsSyntaxCheck</b>(<i>file, codestring</i>)
+
+<p>
+    Function to check a JavaScript source file for syntax errors.
+</p>
+<dl>
+
+<dt><i>file</i> (str)</dt>
+<dd>
+source filename
+</dd>
+<dt><i>codestring</i> (str)</dt>
+<dd>
+string containing the code to check
+</dd>
+</dl>
+<dl>
+<dt>Return:</dt>
+<dd>
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+list of dict
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+<hr />
+<a NAME="initBatchService" ID="initBatchService"></a>
+<h2>initBatchService</h2>
+<b>initBatchService</b>(<i></i>)
+
+<p>
+    Initialize the batch service and return the entry point.
+</p>
+<dl>
+<dt>Return:</dt>
+<dd>
+the entry point for the background client
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+function
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+<hr />
+<a NAME="initService" ID="initService"></a>
+<h2>initService</h2>
+<b>initService</b>(<i></i>)
+
+<p>
+    Initialize the service and return the entry point.
+</p>
+<dl>
+<dt>Return:</dt>
+<dd>
+the entry point for the background client
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+function
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+<hr />
+<a NAME="jsSyntaxBatchCheck" ID="jsSyntaxBatchCheck"></a>
+<h2>jsSyntaxBatchCheck</h2>
+<b>jsSyntaxBatchCheck</b>(<i>argumentsList, send, fx, cancelled, maxProcesses=0</i>)
+
+<p>
+    Module function to check syntax for a batch of files.
+</p>
+<dl>
+
+<dt><i>argumentsList</i> (list)</dt>
+<dd>
+list of arguments tuples as given for jsSyntaxCheck
+</dd>
+<dt><i>send</i> (function)</dt>
+<dd>
+reference to send function
+</dd>
+<dt><i>fx</i> (str)</dt>
+<dd>
+registered service name
+</dd>
+<dt><i>cancelled</i> (function)</dt>
+<dd>
+reference to function checking for a cancellation
+</dd>
+<dt><i>maxProcesses</i> (int)</dt>
+<dd>
+number of processes to be used
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+<hr />
+<a NAME="jsSyntaxCheck" ID="jsSyntaxCheck"></a>
+<h2>jsSyntaxCheck</h2>
+<b>jsSyntaxCheck</b>(<i>file, codestring</i>)
+
+<p>
+    Function to check a Javascript source file for syntax errors.
+</p>
+<dl>
+
+<dt><i>file</i> (str)</dt>
+<dd>
+source filename
+</dd>
+<dt><i>codestring</i> (str)</dt>
+<dd>
+string containing the code to check
+</dd>
+</dl>
+<dl>
+<dt>Return:</dt>
+<dd>
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+list of dict
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+<hr />
+<a NAME="workerTask" ID="workerTask"></a>
+<h2>workerTask</h2>
+<b>workerTask</b>(<i>inputQueue, outputQueue</i>)
+
+<p>
+    Module function acting as the parallel worker for the syntax check.
+</p>
+<dl>
+
+<dt><i>inputQueue</i> (multiprocessing.Queue)</dt>
+<dd>
+input queue
+</dd>
+<dt><i>outputQueue</i> (multiprocessing.Queue)</dt>
+<dd>
+output queue
+</dd>
+</dl>
+<div align="right"><a href="#top">Up</a></div>
+<hr />
+</body></html>
\ No newline at end of file

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html	Sat Nov 25 18:19:21 2023 +0100
@@ -73,16 +73,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -104,7 +103,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -126,7 +125,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -143,9 +142,9 @@
 
 <dt><i>argumentsList</i> (list)</dt>
 <dd>
-list of arguments tuples as given for yamlSyntaxCheck
+list of arguments tuples as given for jsonSyntaxCheck
 </dd>
-<dt><i>send</i> (func)</dt>
+<dt><i>send</i> (function)</dt>
 <dd>
 reference to send function
 </dd>
@@ -153,7 +152,7 @@
 <dd>
 registered service name
 </dd>
-<dt><i>cancelled</i> (func)</dt>
+<dt><i>cancelled</i> (function)</dt>
 <dd>
 reference to function checking for a cancellation
 </dd>
@@ -186,16 +185,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.pyCheckSyntax.html	Sat Nov 25 18:19:21 2023 +0100
@@ -95,17 +95,17 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error', 'py_warnings' and 'warnings' which
-            hold a list containing details about the syntax error, Python warnings
-            and PyFlakes warnings (file name, line number, column, codestring (only
-            for syntax errors), the message and an optional list with arguments for
-            the message)
+list of dictionaries with the keys 'error', 'py_warnings' and 'warnings'
+        which contain a tuple with details about the syntax error or a list of
+        tuples with details about Python warnings and PyFlakes warnings. Each tuple
+        contains the file name, line number, column, code string (only for syntax
+        errors), the message and an optional list with arguments for the message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -210,7 +210,7 @@
 <dd>
 list of arguments tuples as given for pySyntaxAndPyflakesCheck
 </dd>
-<dt><i>send</i> (func)</dt>
+<dt><i>send</i> (function)</dt>
 <dd>
 reference to send function
 </dd>
@@ -218,7 +218,7 @@
 <dd>
 registered service name
 </dd>
-<dt><i>cancelled</i> (func)</dt>
+<dt><i>cancelled</i> (function)</dt>
 <dd>
 reference to function checking for a cancellation
 </dd>
@@ -264,17 +264,17 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error', 'py_warnings' and 'warnings' which
-            hold a list containing details about the syntax error, Python warnings
-            and PyFlakes warnings (file name, line number, column, codestring (only
-            for syntax errors), the message and an optional list with arguments for
-            the message)
+list of dictionaries with the keys 'error', 'py_warnings' and 'warnings'
+        which contain a tuple with details about the syntax error or a list of
+        tuples with details about Python warnings and PyFlakes warnings. Each tuple
+        contains the file name, line number, column, code string (only for syntax
+        errors), the message and an optional list with arguments for the message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.tomlCheckSyntax.html	Sat Nov 25 18:19:21 2023 +0100
@@ -73,16 +73,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -104,7 +103,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -126,7 +125,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -145,7 +144,7 @@
 <dd>
 list of arguments tuples as given for tomlSyntaxCheck
 </dd>
-<dt><i>send</i> (func)</dt>
+<dt><i>send</i> (function)</dt>
 <dd>
 reference to send function
 </dd>
@@ -153,7 +152,7 @@
 <dd>
 registered service name
 </dd>
-<dt><i>cancelled</i> (func)</dt>
+<dt><i>cancelled</i> (function)</dt>
 <dd>
 reference to function checking for a cancellation
 </dd>
@@ -186,16 +185,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>

--- a/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.yamlCheckSyntax.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.CheckerPlugins.SyntaxChecker.yamlCheckSyntax.html	Sat Nov 25 18:19:21 2023 +0100
@@ -73,16 +73,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -104,7 +103,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -126,7 +125,7 @@
 <dl>
 <dt>Return Type:</dt>
 <dd>
-func
+function
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>
@@ -166,7 +165,7 @@
 <dd>
 list of arguments tuples as given for yamlSyntaxCheck
 </dd>
-<dt><i>send</i> (func)</dt>
+<dt><i>send</i> (function)</dt>
 <dd>
 reference to send function
 </dd>
@@ -174,7 +173,7 @@
 <dd>
 registered service name
 </dd>
-<dt><i>cancelled</i> (func)</dt>
+<dt><i>cancelled</i> (function)</dt>
 <dd>
 reference to function checking for a cancellation
 </dd>
@@ -207,16 +206,15 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
 </dd>
 </dl>
 <dl>
 <dt>Return Type:</dt>
 <dd>
-dict
+list of dict
 </dd>
 </dl>
 <div align="right"><a href="#top">Up</a></div>

--- a/src/eric7/Documentation/Source/eric7.Plugins.PluginSyntaxChecker.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/eric7.Plugins.PluginSyntaxChecker.html	Sat Nov 25 18:19:21 2023 +0100
@@ -126,9 +126,9 @@
 </p>
 <dl>
 
-<dt><i>ui</i></dt>
+<dt><i>ui</i> (UI.UserInterface)</dt>
 <dd>
-reference to the user interface object (UI.UserInterface)
+reference to the user interface object
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.__editorClosed" ID="SyntaxCheckerPlugin.__editorClosed"></a>
@@ -140,9 +140,9 @@
 </p>
 <dl>
 
-<dt><i>editor</i></dt>
+<dt><i>editor</i> (QScintilla.Editor)</dt>
 <dd>
-reference to the editor (QScintilla.Editor)
+reference to the editor
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.__editorOpened" ID="SyntaxCheckerPlugin.__editorOpened"></a>
@@ -154,9 +154,9 @@
 </p>
 <dl>
 
-<dt><i>editor</i></dt>
+<dt><i>editor</i> (QScintilla.Editor)</dt>
 <dd>
-reference to the new editor (QScintilla.Editor)
+reference to the new editor
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.__editorShowMenu" ID="SyntaxCheckerPlugin.__editorShowMenu"></a>
@@ -169,15 +169,15 @@
 </p>
 <dl>
 
-<dt><i>menuName</i></dt>
+<dt><i>menuName</i> (str)</dt>
 <dd>
-name of the menu to be shown (string)
+name of the menu to be shown
 </dd>
-<dt><i>menu</i></dt>
+<dt><i>menu</i> (QMenu)</dt>
 <dd>
-reference to the menu (QMenu)
+reference to the menu
 </dd>
-<dt><i>editor</i></dt>
+<dt><i>editor</i> (QScintilla.Editor)</dt>
 <dd>
 reference to the editor
 </dd>
@@ -227,13 +227,13 @@
 </p>
 <dl>
 
-<dt><i>menuName</i></dt>
+<dt><i>menuName</i> (str)</dt>
 <dd>
-name of the menu to be shown (string)
+name of the menu to be shown
 </dd>
-<dt><i>menu</i></dt>
+<dt><i>menu</i> (QMenu)</dt>
 <dd>
-reference to the menu (QMenu)
+reference to the menu
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.__projectBrowserSyntaxCheck" ID="SyntaxCheckerPlugin.__projectBrowserSyntaxCheck"></a>
@@ -254,13 +254,13 @@
 </p>
 <dl>
 
-<dt><i>menuName</i></dt>
+<dt><i>menuName</i> (str)</dt>
 <dd>
-name of the menu to be shown (string)
+name of the menu to be shown
 </dd>
-<dt><i>menu</i></dt>
+<dt><i>menu</i> (QMenu)</dt>
 <dd>
-reference to the menu (QMenu)
+reference to the menu
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.__projectSyntaxCheck" ID="SyntaxCheckerPlugin.__projectSyntaxCheck"></a>
@@ -284,16 +284,18 @@
 </p>
 <dl>
 
-<dt><i>fn</i></dt>
+<dt><i>fn</i> (str)</dt>
 <dd>
-filename of the checked file (str)
+filename of the checked file
 </dd>
-<dt><i>problems</i></dt>
+<dt><i>problems</i> (list of dict)</dt>
 <dd>
-dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+list of dictionaries with the keys 'error', 'py_warnings' and
+            'warnings' which contain a tuple with details about the syntax error or a
+            list of tuples with details about Python warnings and PyFlakes warnings.
+            Each tuple contains the file name, line number, column, code string (only
+            for syntax errors), the message and an optional list with arguments for
+            the message.
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.activate" ID="SyntaxCheckerPlugin.activate"></a>
@@ -306,7 +308,13 @@
 <dl>
 <dt>Return:</dt>
 <dd>
-tuple of None and activation status (boolean)
+tuple of None and activation status
+</dd>
+</dl>
+<dl>
+<dt>Return Type:</dt>
+<dd>
+bool
 </dd>
 </dl>
 <a NAME="SyntaxCheckerPlugin.deactivate" ID="SyntaxCheckerPlugin.deactivate"></a>

--- a/src/eric7/Documentation/Source/index-eric7.Plugins.CheckerPlugins.SyntaxChecker.html	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Documentation/Source/index-eric7.Plugins.CheckerPlugins.SyntaxChecker.html	Sat Nov 25 18:19:21 2023 +0100
@@ -24,6 +24,10 @@
 <td>Module implementing a simple Python syntax checker.</td>
 </tr>
 <tr>
+<td><a href="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsCheckSyntax.html">jsCheckSyntax</a></td>
+<td>Module implementing the syntax check for JavaScript.</td>
+</tr>
+<tr>
 <td><a href="eric7.Plugins.CheckerPlugins.SyntaxChecker.jsonCheckSyntax.html">jsonCheckSyntax</a></td>
 <td>Module implementing the syntax check for JSON.</td>
 </tr>

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckService.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckService.py	Sat Nov 25 18:19:21 2023 +0100
@@ -48,9 +48,12 @@
         """
         Private method to determine the language of the file.
 
-        @param filename of the sourcefile (str)
-        @param source code of the file (str)
-        @return language of the file or None if not found (str or None)
+        @param filename of the sourcefile
+        @type str
+        @param source code of the file
+        @type str
+        @return language of the file or None if not found
+        @rtype str or None
         """
         pyVer = PythonUtilities.determinePythonVersion(filename, source)
         if pyVer:
@@ -66,17 +69,24 @@
         """
         Public method to register a new language to the supported languages.
 
-        @param lang new language to check syntax (str)
-        @param env the environment in which the checker is implemented (str)
-        @param path full path to the module (str)
-        @param module name to import (str)
+        @param lang new language to check syntax
+        @type str
+        @param env the environment in which the checker is implemented
+        @type str
+        @param path full path to the module
+        @type str
+        @param module name to import
+        @type str
         @param getArgs function to collect the required arguments to call the
-            syntax checker on client side (function)
+            syntax checker on client side
+        @type function
         @param getExt function that returns the supported file extensions of
-            the syntax checker (function)
-        @param callback function on service response (function)
+            the syntax checker
+        @type function
+        @param callback function on service response
+        @type function
         @param onError callback function if client or service isn't available
-            (function)
+        @type function
         """
         self.__supportedLanguages[lang] = env, getArgs, getExt
         # Connect to the background service
@@ -94,7 +104,8 @@
         """
         Public method to return the supported language names.
 
-        @return list of languanges supported (list of str)
+        @return list of languanges supported
+        @rtype list of str
         """
         return list(self.__supportedLanguages.keys()) + ["MicroPython"]
 
@@ -102,7 +113,8 @@
         """
         Public method to remove the language from syntax check.
 
-        @param lang language to remove (str)
+        @param lang language to remove
+        @type str
         """
         self.__supportedLanguages.pop(lang, None)
         self.backgroundService.serviceDisconnect("{0}Syntax".format(lang), lang)
@@ -112,7 +124,8 @@
         Public method to return all supported file extensions for the
         syntax checker dialog.
 
-        @return set of all supported file extensions (set of str)
+        @return set of all supported file extensions
+        @rtype set of str
         """
         extensions = set()
         for _env, _getArgs, getExt in self.__supportedLanguages.values():
@@ -154,8 +167,9 @@
         """
         Public method to prepare a syntax check on multiple source files.
 
-        @param argumentsList list of arguments tuples with each tuple
-            containing filename and source (string, string)
+        @param argumentsList list of argument tuples with each tuple
+            containing filename and source
+        @type list of tuples of (str, str)
         """
         data = {}
         for lang in self.getLanguages():
@@ -203,8 +217,10 @@
         """
         Private slot handling service errors.
 
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         self.error.emit(fn, msg)
 
@@ -212,10 +228,14 @@
         """
         Public method handling service errors for Python 3.
 
-        @param fx service name (string)
-        @param lang language (string)
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         if fx in ["Python3Syntax", "batch_Python3Syntax"]:
             if fx == "Python3Syntax":
@@ -228,10 +248,14 @@
         """
         Public method handling service errors for JavaScript.
 
-        @param fx service name (string)
-        @param lang language (string)
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         if fx in ["JavaScriptSyntax", "batch_JavaScriptSyntax"]:
             if fx == "JavaScriptSyntax":
@@ -244,10 +268,14 @@
         """
         Public method handling service errors for YAML.
 
-        @param fx service name (string)
-        @param lang language (string)
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         if fx in ["YAMLSyntax", "batch_YAMLSyntax"]:
             if fx == "YAMLSyntax":
@@ -260,10 +288,14 @@
         """
         Public method handling service errors for JSON.
 
-        @param fx service name (string)
-        @param lang language (string)
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         if fx in ["JSONSyntax", "batch_JSONSyntax"]:
             if fx == "JSONSyntax":
@@ -276,10 +308,14 @@
         """
         Public method handling service errors for TOML.
 
-        @param fx service name (string)
-        @param lang language (string)
-        @param fn file name (string)
-        @param msg message text (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
+        @param fn file name
+        @type str
+        @param msg message text
+        @type str
         """
         if fx in ["TOMLSyntax", "batch_TOMLSyntax"]:
             if fx == "TOMLSyntax":
@@ -292,8 +328,10 @@
         """
         Public slot handling the completion of a batch job.
 
-        @param fx service name (string)
-        @param lang language (string)
+        @param fx service name
+        @type str
+        @param lang language
+        @type str
         """
         if fx in [
             "Python3Syntax",

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckerDialog.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/SyntaxCheckerDialog.py	Sat Nov 25 18:19:21 2023 +0100
@@ -506,11 +506,13 @@
 
         @param fn filename of the checked file
         @type str
-        @param problems dictionary with the keys 'error', 'py_warnings' and
-            'warnings' which hold a list containing details about the error or
-            warnings (file name, line number, column, codestring (only at syntax
-            errors), message)
-        @type dict
+        @param problems list of dictionaries with the keys 'error', 'py_warnings' and
+            'warnings' which contain a tuple with details about the syntax error or a
+            list of tuples with details about Python warnings and PyFlakes warnings.
+            Each tuple contains the file name, line number, column, code string (only
+            for syntax errors), the message and an optional list with arguments for
+            the message.
+        @type list of dict
         """
         if self.__finished:
             return

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/jsCheckSyntax.py	Sat Nov 25 18:19:21 2023 +0100
@@ -0,0 +1,180 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2014 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+# Copyright (c) 2023 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the syntax check for JavaScript.
+"""
+
+import multiprocessing
+import queue
+
+
+def initService():
+    """
+    Initialize the service and return the entry point.
+
+    @return the entry point for the background client
+    @rtype function
+    """
+    return jsSyntaxCheck
+
+
+def initBatchService():
+    """
+    Initialize the batch service and return the entry point.
+
+    @return the entry point for the background client
+    @rtype function
+    """
+    return jsSyntaxBatchCheck
+
+
+def jsSyntaxCheck(file, codestring):
+    """
+    Function to check a Javascript source file for syntax errors.
+
+    @param file source filename
+    @type str
+    @param codestring string containing the code to check
+    @type str
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
+    """
+    return __jsSyntaxCheck(file, codestring)
+
+
+def jsSyntaxBatchCheck(argumentsList, send, fx, cancelled, maxProcesses=0):
+    """
+    Module function to check syntax for a batch of files.
+
+    @param argumentsList list of arguments tuples as given for jsSyntaxCheck
+    @type list
+    @param send reference to send function
+    @type function
+    @param fx registered service name
+    @type str
+    @param cancelled reference to function checking for a cancellation
+    @type function
+    @param maxProcesses number of processes to be used
+    @type int
+    """
+    if maxProcesses == 0:
+        # determine based on CPU count
+        try:
+            NumberOfProcesses = multiprocessing.cpu_count()
+            if NumberOfProcesses >= 1:
+                NumberOfProcesses -= 1
+        except NotImplementedError:
+            NumberOfProcesses = 1
+    else:
+        NumberOfProcesses = maxProcesses
+
+    # Create queues
+    taskQueue = multiprocessing.Queue()
+    doneQueue = multiprocessing.Queue()
+
+    # Submit tasks (initially two time number of processes
+    tasks = len(argumentsList)
+    initialTasks = 2 * NumberOfProcesses
+    for _ in range(initialTasks):
+        taskQueue.put(argumentsList.pop(0))
+
+    # Start worker processes
+    workers = [
+        multiprocessing.Process(target=workerTask, args=(taskQueue, doneQueue))
+        for _ in range(NumberOfProcesses)
+    ]
+    for worker in workers:
+        worker.start()
+
+    # Get and send results
+    for _ in range(tasks):
+        resultSent = False
+        wasCancelled = False
+
+        while not resultSent:
+            try:
+                # get result (waiting max. 3 seconds and send it to frontend
+                filename, result = doneQueue.get()
+                send(fx, filename, result)
+                resultSent = True
+            except queue.Empty:
+                # ignore empty queue, just carry on
+                if cancelled():
+                    wasCancelled = True
+                    break
+
+        if wasCancelled or cancelled():
+            # just exit the loop ignoring the results of queued tasks
+            break
+
+        if argumentsList:
+            taskQueue.put(argumentsList.pop(0))
+
+    # Tell child processes to stop
+    for _ in range(NumberOfProcesses):
+        taskQueue.put("STOP")
+
+    for worker in workers:
+        worker.join()
+        worker.close()
+
+    taskQueue.close()
+    doneQueue.close()
+
+
+def workerTask(inputQueue, outputQueue):
+    """
+    Module function acting as the parallel worker for the syntax check.
+
+    @param inputQueue input queue
+    @type multiprocessing.Queue
+    @param outputQueue output queue
+    @type multiprocessing.Queue
+    """
+    for filename, args in iter(inputQueue.get, "STOP"):
+        source = args[0]
+        result = __jsSyntaxCheck(filename, source)
+        outputQueue.put((filename, result))
+
+
+def __jsSyntaxCheck(file, codestring):
+    """
+    Function to check a JavaScript source file for syntax errors.
+
+    @param file source filename
+    @type str
+    @param codestring string containing the code to check
+    @type str
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
+    """
+    if codestring:
+        try:
+            import esprima  # noqa: I101, I102
+        except ImportError:
+            error = "esprima not available. Install it via the PyPI interface."
+            return [{"error": (file, 0, 0, "", error)}]
+
+        try:
+            esprima.parse(codestring, esnext=True, sourceType="module")
+            # Parsing is just done to get syntax errors.
+        except esprima.Error as exc:
+            line = exc.lineNumber
+            column = exc.column
+            error = exc.message.split(":", 1)[-1].strip()
+
+            codelines = codestring.splitlines()
+            cline = min(len(codelines), line) - 1
+            code = codelines[cline]
+
+            return [{"error": (file, line, column, code, error)}]
+
+    return [{}]

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/jsonCheckSyntax.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/jsonCheckSyntax.py	Sat Nov 25 18:19:21 2023 +0100
@@ -17,7 +17,7 @@
     Initialize the service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return jsonSyntaxCheck
 
@@ -27,7 +27,7 @@
     Initialize the batch service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return jsonSyntaxBatchCheck
 
@@ -40,11 +40,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     return __jsonSyntaxCheck(file, codestring)
 
@@ -53,14 +52,14 @@
     """
     Module function to check syntax for a batch of files.
 
-    @param argumentsList list of arguments tuples as given for yamlSyntaxCheck
+    @param argumentsList list of arguments tuples as given for jsonSyntaxCheck
     @type list
     @param send reference to send function
-    @type func
+    @type function
     @param fx registered service name
     @type str
     @param cancelled reference to function checking for a cancellation
-    @type func
+    @type function
     @param maxProcesses number of processes to be used
     @type int
     """
@@ -152,11 +151,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     if codestring:
         try:

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/pyCheckSyntax.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/pyCheckSyntax.py	Sat Nov 25 18:19:21 2023 +0100
@@ -107,12 +107,12 @@
     @type bool
     @param additionalBuiltins list of names pyflakes should consider as builtins
     @type list of str
-    @return dictionary with the keys 'error', 'py_warnings' and 'warnings' which
-            hold a list containing details about the syntax error, Python warnings
-            and PyFlakes warnings (file name, line number, column, codestring (only
-            for syntax errors), the message and an optional list with arguments for
-            the message)
-    @rtype dict
+    @return list of dictionaries with the keys 'error', 'py_warnings' and 'warnings'
+        which contain a tuple with details about the syntax error or a list of
+        tuples with details about Python warnings and PyFlakes warnings. Each tuple
+        contains the file name, line number, column, code string (only for syntax
+        errors), the message and an optional list with arguments for the message.
+    @rtype list of dict
     """
     return __pySyntaxAndPyflakesCheck(
         filename, codestring, checkFlakes, ignoreStarImportWarnings, additionalBuiltins
@@ -126,11 +126,11 @@
     @param argumentsList list of arguments tuples as given for pySyntaxAndPyflakesCheck
     @type list
     @param send reference to send function
-    @type func
+    @type function
     @param fx registered service name
     @type str
     @param cancelled reference to function checking for a cancellation
-    @type func
+    @type function
     @param maxProcesses number of processes to be used
     @type int
     """
@@ -238,12 +238,12 @@
     @type bool
     @param additionalBuiltins list of names pyflakes should consider as builtins
     @type list of str
-    @return dictionary with the keys 'error', 'py_warnings' and 'warnings' which
-            hold a list containing details about the syntax error, Python warnings
-            and PyFlakes warnings (file name, line number, column, codestring (only
-            for syntax errors), the message and an optional list with arguments for
-            the message)
-    @rtype dict
+    @return list of dictionaries with the keys 'error', 'py_warnings' and 'warnings'
+        which contain a tuple with details about the syntax error or a list of
+        tuples with details about Python warnings and PyFlakes warnings. Each tuple
+        contains the file name, line number, column, code string (only for syntax
+        errors), the message and an optional list with arguments for the message.
+    @rtype list of dict
     """
     if codestring:
         errorDict = {}

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/tomlCheckSyntax.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/tomlCheckSyntax.py	Sat Nov 25 18:19:21 2023 +0100
@@ -16,7 +16,7 @@
     Initialize the service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return tomlSyntaxCheck
 
@@ -26,7 +26,7 @@
     Initialize the batch service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return tomlSyntaxBatchCheck
 
@@ -39,11 +39,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     return __tomlSyntaxCheck(file, codestring)
 
@@ -55,11 +54,11 @@
     @param argumentsList list of arguments tuples as given for tomlSyntaxCheck
     @type list
     @param send reference to send function
-    @type func
+    @type function
     @param fx registered service name
     @type str
     @param cancelled reference to function checking for a cancellation
-    @type func
+    @type function
     @param maxProcesses number of processes to be used
     @type int
     """
@@ -151,11 +150,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     if codestring:
         try:

--- a/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/yamlCheckSyntax.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/SyntaxChecker/yamlCheckSyntax.py	Sat Nov 25 18:19:21 2023 +0100
@@ -16,7 +16,7 @@
     Initialize the service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return yamlSyntaxCheck
 
@@ -26,7 +26,7 @@
     Initialize the batch service and return the entry point.
 
     @return the entry point for the background client
-    @rtype func
+    @rtype function
     """
     return yamlSyntaxBatchCheck
 
@@ -39,11 +39,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     return __yamlSyntaxCheck(file, codestring)
 
@@ -55,11 +54,11 @@
     @param argumentsList list of arguments tuples as given for yamlSyntaxCheck
     @type list
     @param send reference to send function
-    @type func
+    @type function
     @param fx registered service name
     @type str
     @param cancelled reference to function checking for a cancellation
-    @type func
+    @type function
     @param maxProcesses number of processes to be used
     @type int
     """
@@ -151,11 +150,10 @@
     @type str
     @param codestring string containing the code to check
     @type str
-    @return dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
-    @rtype dict
+    @return list of dictionaries  with the key 'error' which contain a tuple with
+        details about the syntax error. Each tuple contains the file name, line
+        number, column, code string and the error message.
+    @rtype list of dict
     """
     if codestring:
         try:

--- a/src/eric7/Plugins/PluginSyntaxChecker.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/Plugins/PluginSyntaxChecker.py	Sat Nov 25 18:19:21 2023 +0100
@@ -30,8 +30,8 @@
     "packageName": "__core__",
     "shortDescription": "Show the Syntax Checker dialog.",
     "longDescription": (
-        """This plugin implements the Syntax Checker dialog."""
-        """ Syntax Checker is used to check Python source files for correct"""
+        """This plugin implements the Syntax Checker dialog. Syntax Checker is used"""
+        """ to check Python, JavaScript, JSON, TOML and YAML files for correct"""
         """ syntax."""
     ),
     "pyqtApi": 2,
@@ -50,7 +50,8 @@
         """
         Constructor
 
-        @param ui reference to the user interface object (UI.UserInterface)
+        @param ui reference to the user interface object
+        @type UI.UserInterface
         """
         from eric7.Plugins.CheckerPlugins.SyntaxChecker.SyntaxCheckService import (
             SyntaxCheckService,
@@ -120,6 +121,20 @@
             self.syntaxCheckService.serviceErrorTOML,
         )
 
+        # JavaScript syntax check via Python3
+        self.syntaxCheckService.addLanguage(
+            "JavaScript",
+            "Python3",
+            path,
+            "jsCheckSyntax",
+            lambda: [],  # No options
+            lambda: [".js"],
+            lambda fn, problems: self.syntaxCheckService.syntaxChecked.emit(
+                fn, problems
+            ),
+            self.syntaxCheckService.serviceErrorJavaScript,
+        )
+
     def __initialize(self):
         """
         Private slot to (re)initialize the plugin.
@@ -155,11 +170,15 @@
         the warnings (marker, file name, line number, message)
         The values are only valid, if nok is False.
 
-        @param fn filename of the checked file (str)
-        @param problems dictionary with the keys 'error' and 'warnings' which
-            hold a list containing details about the error/ warnings
-            (file name, line number, column, codestring (only at syntax
-            errors), the message, a list with arguments for the message)
+        @param fn filename of the checked file
+        @type str
+        @param problems list of dictionaries with the keys 'error', 'py_warnings' and
+            'warnings' which contain a tuple with details about the syntax error or a
+            list of tuples with details about Python warnings and PyFlakes warnings.
+            Each tuple contains the file name, line number, column, code string (only
+            for syntax errors), the message and an optional list with arguments for
+            the message.
+        @type list of dict
         """
         from eric7.Plugins.CheckerPlugins.SyntaxChecker.pyflakes.translations import (
             getTranslatedFlakesMessage,
@@ -178,7 +197,8 @@
         """
         Public method to activate this plugin.
 
-        @return tuple of None and activation status (boolean)
+        @return tuple of None and activation status
+        @rtype bool
         """
         menu = ericApp().getObject("Project").getMenu("Checks")
         if menu:
@@ -259,8 +279,10 @@
         Private slot called, when the the project menu or a submenu is
         about to be shown.
 
-        @param menuName name of the menu to be shown (string)
-        @param menu reference to the menu (QMenu)
+        @param menuName name of the menu to be shown
+        @type str
+        @param menu reference to the menu
+        @type QMenu
         """
         if menuName == "Checks" and self.__projectAct is not None:
             self.__projectAct.setEnabled(
@@ -273,8 +295,10 @@
         Private slot called, when the the project browser menu or a submenu is
         about to be shown.
 
-        @param menuName name of the menu to be shown (string)
-        @param menu reference to the menu (QMenu)
+        @param menuName name of the menu to be shown
+        @type str
+        @param menu reference to the menu
+        @type QMenu
         """
         if (
             menuName == "Checks"
@@ -350,7 +374,8 @@
         """
         Private slot called, when a new editor was opened.
 
-        @param editor reference to the new editor (QScintilla.Editor)
+        @param editor reference to the new editor
+        @type QScintilla.Editor
         """
         menu = editor.getMenu("Checks")
         if menu is not None:
@@ -362,7 +387,8 @@
         """
         Private slot called, when an editor was closed.
 
-        @param editor reference to the editor (QScintilla.Editor)
+        @param editor reference to the editor
+        @type QScintilla.Editor
         """
         with contextlib.suppress(ValueError):
             self.__editors.remove(editor)
@@ -372,9 +398,12 @@
         Private slot called, when the the editor context menu or a submenu is
         about to be shown.
 
-        @param menuName name of the menu to be shown (string)
-        @param menu reference to the menu (QMenu)
+        @param menuName name of the menu to be shown
+        @type str
+        @param menu reference to the menu
+        @type QMenu
         @param editor reference to the editor
+        @type QScintilla.Editor
         """
         if menuName == "Checks":
             if self.__editorAct not in menu.actions():

--- a/src/eric7/QScintilla/Editor.py	Fri Nov 24 14:59:26 2023 +0100
+++ b/src/eric7/QScintilla/Editor.py	Sat Nov 25 18:19:21 2023 +0100
@@ -6710,6 +6710,11 @@
         if line == 0:
             line = 1
             # hack to show a syntax error marker, if line is reported to be 0
+
+        line = min(line, self.lines())
+        # Limit the line number to the ones we really have to ensure proper display
+        # of the error annotation.
+
         if setError:
             # set a new syntax error marker
             markers = self.markersAtLine(line - 1)
@@ -6864,6 +6869,11 @@
         if line == 0:
             line = 1
             # hack to show a warning marker, if line is reported to be 0
+
+        line = min(line, self.lines())
+        # Limit the line number to the ones we really have to ensure proper display
+        # of the warning annotation.
+
         if setWarning:
             # set/amend a new warning marker
             warn = (msg, warningType)