ibt-webpack-path-rewriter

v1.1.4

Published

2 years ago

Webpack plugin for replacing resources' paths with public ones

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webpack plugin assets hashing html

This is a Webpack plugin that:

writes text resources to the file system;
in these resources, replaces selected paths with their public counterparts.

Plays nicely with webpack-dev-server; see includeHash option of the constructor.

* 此版本修改了原版中 publicPath 拼接部分，支持[hash]的引用，并不会同步更新版本，请使用原版

Example

index.jade:

doctype html
head
  title My awesome app
  meta( charset="utf-8" )
  link( href="[[ app-*.css ]]", media="all", rel="stylesheet" )
body
  p Hi everyone!
  img( src="[[ images/hi.png ]]" )
  script( src="[[ app-*.js ]]" )

webpack.config.js:

var ExtractTextPlugin = require('extract-text-webpack-plugin'),
    PathRewriterPlugin = require('webpack-path-rewriter')

module.exports = {
  entry: {
    app: './scripts/index'
  },
  output: {
    path: '_dist',
    filename: 'app-[chunkhash].js',
    publicPath: '/public/path/'
  },
  module: {
    loaders: [{
      test: /[/]images[/]/,
      loader: 'file?name=[path][name]-[hash].[ext]'
    }, {
      test: /[.]styl$/,
      loader: ExtractTextPlugin.extract('css?sourceMap!stylus?sourceMap')
    }, {
      test: /[.]jade$/,
      loader: PathRewriterPlugin.rewriteAndEmit({
        name: '[path][name].html',
        loader: 'jade-html?' + JSON.stringify({ pretty: true })
      })
    }]
  },
  plugins: [
    new ExtractTextPlugin('app-[contenthash].css', { allChunks: true }),
    new PathRewriterPlugin()
  ]
}

After the build, _dist/index.html will contain the following:

<!DOCTYPE html>
<head>
  <title>My awesome app</title>
  <meta charset="utf-8">
  <link href="/public/path/app-aeeae55eaf7373d1be14ccc3fa44272d.css" media="all" rel="stylesheet">
</head>
<body>
  <p>Hi everyone!</p>
  <img src="/public/path/images/hi-9bc044c418aba70701582981061b685f.png">
  <script src="/public/path/app-c5db2b3d825a8bccf99b.js"></script>
</body>

Usage

This plugin is content-agnostic, so it doesn't perform any parsing. You need to explicitly mark each path that needs to be rewritten.

By default, you do this by wrapping such paths inside the "[[original/path]]" construction, which after rewriting transforms to the "rewritten/path". You can control this behavior using options, both global and per-resource.

There are two types of assets.

1. Normal assets

Most of the assets already exist in the source tree before you run the build. To rewrite paths to such assets, just mark these paths with the special construction described above.

For example, if you have views/index.jade and images/hi.png, in the index.jade you can specify "[[../images/hi.png]]" and it will be replaced with whatever public path images/hi.png is assigned to, e.g. "/static/images/hi-somelonghash.png".

2. Generated assets

Some of the assets appear as a result of the build. These include JavaScript bundles (chunks) and files produced by extract-text-webpack-plugin. To rewrite path to an asset of this kind, you need to replace any variable parts of this path with asterisk * symbols.

For example, to rewrite path from views/index.jade to the JS bundle which gets placed to [hash]/scripts/app-[chunkhash].js, the path should be specified as "[[../*/scripts/app-*.js]]".

Customizing the path marker

Sometimes it may be inconvenient to use the default "[[...]]" marker. It can be customized using three options: pathRegExp, pathMatchIndex (index of capturing group containing extracted path) and pathReplacer (template of the replacement string).

For example, you can use the following options to rewrite all src and href HTML attributes that end with some extension (non-relative paths are automatically skipped):

{
  pathRegExp: /(src|href)\s*=\s*"(.*?\.[\w\d]{1,6})"/,
  pathMatchIndex: 2,
  pathReplacer: '[1]="[path]"'
}

API

`PathRewriter.rewriteAndEmit(loader | opts)`

Marks a resource for rewriting paths and emitting to the file system. Use it in conjunction with the new PathRewriter() in the plugins list.

Takes one argument, which is either string or object. If string, then it specifies the resource's loader string along with the options, e.g.

PathRewriter.rewriteAndEmit('?name=[path][name]-[hash].[ext]')
PathRewriter.rewriteAndEmit('jade-html?pretty')
PathRewriter.rewriteAndEmit('?name=[path][name].[ext]!jade-html?pretty')

Object form allows to pass the following options:

loader the resource's loader string.
loaders an array of loaders; mutually exclusive with the loader option.
name the path to the output file. Defaults to "[path][name].[ext]". May contain the following tokens:
- [ext] the extension of the resource;
- [name] the basename of the resource;
- [path] the path of the resource relative to the context option;
- [hash] the hash of the resource's content;
- [<hashType>:hash:<digestType>:<length>] see loader-utils docs;
- [N] content of N-th capturing group obtained from matching the resource's path against the nameRegExp option.
nameRegExp, context see name.
publicPath allows to override the global output.publicPath setting.
pathRegExp, pathMatchIndex, pathReplacer allow to override options for rewriting paths in this resource.

For example:

PathRewriter.rewriteAndEmit({
  name: '[path][name]-[hash].html',
  loader: 'jade-html?pretty'
})

`new PathRewriter(opts | undefined)`

A plugin that emits to the filesystem all resources that were marked with the PathRewriter.rewriteAndEmit() loader. Options:

silent don't print rewritten paths. Defaults to false.
emitStats write stats.json file. May be string specifying the file's name. Defaults to true.
pathRegExp regular expression for matching paths. Defaults to /"\[\[(.*?)\]\]"/, which tests for "[[...]]" constructions and captures the string between the braces.
pathMatchIndex the index of capturing group in the pathRegExp that corresponds to a path. Defaults to 1.
pathReplacer template for replacing matched path with the rewritten one. Defaults to "[path]". May contain following tokens:
- [path] the rewritten path;
- [N] the content of N-th capturing group of pathRegExp.
includeHash make compilation's hash dependent on contents of this resource. Useful with live reload, as it causes the app to reload each time this resources changes. Defaults to false.

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