.. _f-jshelper:

module ``imghelper.js_helper``
==============================





.. inheritance-diagram:: pyquickhelper.imghelper.js_helper


Short summary
+++++++++++++

module ``pyquickhelper.imghelper.js_helper``

Helpers around images and :epkg:`javascript`.
See also:

* `pyduktape <https://github.com/stefano/pyduktape>`_
* `Python Mini Racer <https://github.com/sqreen/PyMiniRacer>`_
* `python-requirejs <https://github.com/wq/python-requirejs>`_


:githublink:`%|py|10`




Classes
+++++++

+------------------------------------------------------------------------------+----------------------------------+
| class                                                                        | truncated documentation          |
+==============================================================================+==================================+
| :class:`NodeJsException <pyquickhelper.imghelper.js_helper.NodeJsException>` | Raised if :epkg:`node.js` fails. |
+------------------------------------------------------------------------------+----------------------------------+




Functions
+++++++++

+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| function                                                                                    | truncated documentation                                                                                                                     |
+=============================================================================================+=============================================================================================================================================+
| :func:`install_node_js_modules <pyquickhelper.imghelper.js_helper.install_node_js_modules>` | Installs missing dependencies to compile a convert a :epkg:`javascript` libraries.                                                          |
+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| :func:`nodejs_version <pyquickhelper.imghelper.js_helper.nodejs_version>`                   | Returns :epkg:`node.js` version.                                                                                                            |
+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| :func:`require <pyquickhelper.imghelper.js_helper.require>`                                 | Modified version of function *require* in `node_import.py <https://github.com/PiotrDabkowski/Js2Py/blob/master/js2py/node_import.py>`_. ... |
+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| :func:`run_js_fct <pyquickhelper.imghelper.js_helper.run_js_fct>`                           | Assuming *script* contains some :epkg:`javascript` which produces :epkg:`SVG`. This functions runs the code.                                |
+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| :func:`run_js_with_nodejs <pyquickhelper.imghelper.js_helper.run_js_with_nodejs>`           | Runs a :epkg:`javascript` script with :epkg:`node.js`.                                                                                      |
+---------------------------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+








Documentation
+++++++++++++

.. automodule:: pyquickhelper.imghelper.js_helper
    :members:
    :special-members: __init__
    :show-inheritance: