Branches Tags. Could not load branches. Could not load tags. Latest commit. Git stats 14, commits. Failed to load latest commit information. Oct 29, Mar 1, Oct 27, Oct 28, Jun 7, Nov 10, Oct 19, Oct 25, Nov 19, May 11, Nov 20, Aug 24, Apr 16, Aug 5, Oct 20, Just to be safer Feb 14, Apr 3, Jun 21, Apr 21, Jun 28, Mar 17, Jul 14, Close all windows for the target browser.
For Microsoft Edge, also shut down all instances of Chrome. Because both browsers share the Chromium code base, shutting down both browsers gives the best results. Other browser instances can prevent the browser from opening with debugging enabled. Browser extensions might prevent full debug mode. You might need to use Task Manager to find and end all running Chrome instances. Select Browse With from the dropdown list in the Debug toolbar.
On the Browse With screen, with your preferred browser highlighted, select Add. Give the browser a new friendly name such as Edge with debugging or Chrome with debugging , and then select OK.
Alternatively, you can open the Run command by right-clicking the Windows Start button, and enter:. You might need to open Task Manager to find all running Chrome instances. Open the Run command from the Windows Start button right-click and choose Run , and enter the following command:. The browser starts with debugging enabled. The app isn't running yet, so the browser page is empty. In the Visual Studio editor, set a breakpoint in either the app-bundle. For app-bundle.
To find the render function in the app-bundle. For app. If you set the breakpoint in app. This development-only setting enables debugging in Visual Studio. This setting overrides the generated references in the source map file, app-bundle. If you created a debugging-enabled browser configuration with a friendly name, choose that browser as your debug target.
In the Attach to Process dialog box, get a filtered list of browser instances that you can attach to. Type chrome or edge in the filter box to filter the results. In Visual Studio , choose Webkit code in the Attach to field.
Type chrome in the filter box to filter the search results. Select the browser process with the correct host port, localhost in this example. The port number or localhost might also appear in the Title field to help you select the correct process. The following example shows an Attach to Process window for the Microsoft Edge browser. If the debugger doesn't attach and you see the message Unable to attach to the process. An operation is not legal in the current state.
Browser extensions may be running and preventing full debug mode. Because the code with the breakpoint already executed, refresh your browser page to hit the breakpoint. Depending on your environment, browser state, and which steps you followed earlier, you might hit the breakpoint in app-bundle. Either way, you can step through code and examine variables. While the debugger is paused, you can examine your app state by hovering over variables and using debugger windows.
To continue running the code, press F5 or select Continue. For more information on basic debugging features, see First look at the debugger.
If you can't break into code in app. Make sure that your environment is set up correctly:. Close all browser instances, including Chrome extensions, by using the Task Manager. Make sure you start the browser in debug mode. Make sure your source map file includes a reference to. Or, try using the debugger; statement in app. Just add the plugin to your webpack config as follows:. If you have multiple webpack entry points, they will all be included with script tags in the generated HTML.
If you have plugins that make use of it, html-webpack-plugin should be ordered first before any of the integrated Plugins. You can pass a hash of configuration options to html-webpack-plugin. Allowed values are as follows:. To generate more than one HTML file, declare the plugin more than once in your plugins array.
If the default generated HTML doesn't meet your needs you can supply your own template. The easiest way is to use the template option and pass a custom HTML file. The html-webpack-plugin will automatically inject all necessary CSS, JS, manifest and favicon files into the markup. Details of other template loaders are documented here.
If you already have a template loader, you can use it to parse the template. Please note that this will also happen if you specify the html-loader and use. You can use the lodash syntax out of the box. If the inject feature doesn't fit your needs and you want full control over the asset placement use the default template of the html-webpack-template project as a starting point for writing your own.
The following variables are available in the template by default you can extend them using the templateParameters option :. In addition to the options actually used by this plugin, you can use this hash to pass arbitrary data through to your template.
Can be used directly in templates and literals. For example:. This can be used, for example, to get the publicPath webpackConfig. This can be used, for example, to get the contents of processed assets and inline them directly in the page, through compilation.
The template can also be directly inlined directly into the options object. The templateContent can also access all templateParameters values. It is also possible to exclude certain chunks by setting the excludeChunks option.
If the minify option is set to true the default when webpack's mode is 'production' , the generated HTML will be minified using html-minifier-terser and the following options:.
With all tools installed, webpack can now be configured. By convention, a webpack. The sample configuration below is for VS Code extensions and should provide a good starting point:. The file is available as part of the webpack-extension sample. Webpack configuration files are normal JavaScript modules that must export a configuration object. With the webpack. You can run webpack from the command line but to reduce repetition, using npm scripts is helpful.
The webpack and webpack-dev scripts are for development and they produce the bundle file. The difference is in the mode and that controls the level of optimization. Using production yields the smallest bundle but also takes longer, so else development is used. Before you can run the extension, the main property in package. With that change, the extension can now be executed and tested.
Extension authors often write unit tests for their extension source code. With the correct architectural layering, where the extension source code doesn't depend on tests, the webpack produced bundle shouldn't contain any test code.
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