Loaders | webpack
Webpack enables use of loaders to preprocess files. This allows you to bundle any static resource way beyond JavaScript. You can easily write your own loaders using Node.js. Loaders are activated by using loadername! prefixes in require () statements, or are automatically applied via regex from your webpack configuration – see configuration.
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30 Answers from Stack Overflow to the most popular webpack
May 09, 2018 · Use plugins to add functionality typically related to bundles in webpack. I know that babel uses a loader for jsx/es2015 transforms, but it looks like other common tasks (copy-webpack-plugin, for
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Output an ES module using webpack | Newbedev
Another simple example on how to use commonjs-module. Important point to note here is babel adds exports.__esModule = true to each es6 module and on importing it calls for the _interopRequire to check that property. __esModule = true need to be set only on library export. It need to be set on the exports of the entry module.
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Compiled bundle ignores "module.exports" values and
Jul 01, 2017 · Why does bundle ignore module.exports and exports only an empty object? Here is an example. In real code there are React components instead of plain functions. To simplify things I use plain functions. I use Webpack to compile React components and make two bundles - one for client, one for server. The server bundle has module.exports.
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Devtool | webpack
Devtool. This option controls if and how source maps are generated. Use the SourceMapDevToolPlugin for a more fine grained configuration. See the source-map-loader to deal with existing source maps.. devtool. string = 'eval' false Choose a style of source mapping to enhance the debugging process. These values can affect build and rebuild speed dramatically.
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How to Create a Production-Ready Webpack 4 Config From Scratch
This section sets up rules for webpack so it knows what to do with each file it encounters. The test property is a regular expression that webpack checks against the file name. In this case, we want to handle files with a .css extension. Then, the use property tells webpack what loader or loaders to use to handle files matching the criteria
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Why does vue-cli3 structure this way? - Vue Forum
Apr 26, 2018 · So why does the first example work? Because in that case, you didn't use v-bind, you defined the value for src statically. In that case, vue-loader (which does understand how Vue works, obviously) is smart enough to wrap the value in require() while compiling the .vue file - so in the end, webpack sees the require() it needs.
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How to copy static files to build directory with Webpack
Of course, that will fail. That's why you need to specify a loader for that file type. The file- or url-loader for instance take the referenced file, put it into webpack's output folder (which should be build in your case) and return the hashed url for that file.
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V3 breaks webpack and jest · Issue #1265 · node-fetch/node
Node.js mark as --experimental-vm-modules, jest official document states many known and unknown bugs. I don't think is not very convincing both Node.js and jest official state them as experimental. Just use all the experimental features if you want [email protected] If you don't, just don't update, and stay on [email protected]
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How to copy static files to build directory with Webpack
Of course, that will fail. That's why you need to specify a loader for that file type. The file- or url-loader for instance take the referenced file, put it into webpack's output folder (which should be build in your case) and return the hashed url for that file.
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Why webpack-dev-server Live-Reload Is Not Working | by
May 03, 2018 · webpack-dev-server creates 'bundle.js' in memory from code pointed to by entry parameter, and serves it from the url path specified by publicPath parameter. webpack-dev-server does not create
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exports-loader | webpack
The | or %20 (space) allow to separate the syntax, name and alias of export. The documentation and syntax examples can be read here. ⚠ %20 is space in a query string, because you can't use spaces in URLs. Then add the loader to the desired import statement or require calls. For example: import { myFunction } from "exports-loader?exports=myFunction!./file.js"; // Adds the …
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Code Splitting | webpack
Code splitting is one of the most compelling features of webpack. This feature allows you to split your code into various bundles which can then be loaded on demand or in parallel. It can be used to achieve smaller bundles and control resource load prioritization which, if used correctly, can have a major impact on load time.
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Writing a Loader | webpack
The | or %20 (space) allow to separate the syntax, name and alias of export. The documentation and syntax examples can be read here. %20 is space in a query string, because you can't use spaces in URLs. Then add the loader to the desired import statement or require calls. For example: import { myFunction } from "exports-loader?exports=myFunction!./file.js"; // Adds the …
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html-loader | webpack
imports-loader. The imports loader allows you to use modules that depend on specific global variables. This is useful for third-party modules that rely on global variables like $ or this being the window object. The imports loader can add the necessary require ('whatever') calls, so those modules work with webpack.
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Webpack: A gentle introduction - ui.dev
Jul 23, 2020 · Now there are two pieces of information we need to give webpack about each loader. First, the type of file we want to run the loader on (in our case, all .svg files). Second, the loader to use on that file type (in our case, svg-inline-loader). To do this, we'll have an object with two properties, test and use.test will be a regex to match the file path and use will be the name …
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webpack dev server start script Code Example
Attempted import error: 'uuid' does not contain a default export (imported as 'uuid'). package subpath './v1' is not defined by exports Warning: Accessing non-existent property 'MongoError' of module exports inside circular dependency
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How to load a font file in vuejs and webpack? | Newbedev
Employ loader utilities. Mark loader dependencies. Resolve module dependencies. Extract common code. Avoid absolute paths. Use peer dependencies. Simple. Loaders should do only a single task. This not only makes the job of maintaining each loader easier, but also allows them to be chained for usage in more scenarios. Chaining
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How I solved and debugged my Webpack issue through trial
May 02, 2018 · What can you do if you have a webpack issue? In case if you stumble upon an issue with Webpack, do not panic! Follow these steps: Search in the GitHub issues similar to yours. Try to check boilerplates and see how the …
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Webpack: How to don't bundle node_modules, but use them
Dec 02, 2014 · In order to work I also need to patch the require function that webpack exports to add the node.js native require function (this is easy manually, but should be done automatically). What I've tried # 3. In the webpack configuration
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