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mildmojo/html-annotate-filenames.js

Last active September 27, 2017 17:41
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Webpack loader that inserts original source filenames as HTML comments
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html-annotate-filenames.js
/*
html-annotate-filenames
Webpack loader that surrounds generated HTML blocks with comments noting the
original source filename for the block.
To use, modify your webpack config with a `resolveLoader` that can find this
file and a rule for this loader. Example:
{
entry: "...",
resolveLoader: {
modules: ["node_modules", path.resolve(__dirname, "loaders")]
},
module: {
rules: [
{
test: /\.html$/,
enforce: "pre",
use: {
loader: "html-annotate-filenames"
}
}
]
}
}
Tested with webpack 2.7.0.
*/
'use strict';
const loaderUtils = require('loader-utils');
module.exports = function(content) {
const filename = loaderUtils.interpolateName(this, '[name].[ext]', {content});
return `<!-- begin ${filename} -->\n${content}\n<!-- end ${filename} -->`;
};
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mildmojo commented Sep 27, 2017 •
edited
Loading

Before:

<body>
  <div>
    <div>Content!</div>
  </div>
  <div>
    <div>More content!</div>
  </div>
</body>

After:

<body>
<!-- begin content.html -->
  <div>
    <div>Content!</div>
  </div>
<!-- end content.html -->
<!-- begin moreContent.html -->
  <div>
    <div>More content!</div>
  </div>
<!-- end moreContent.html -->
</body>

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