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metalsmith-search-meta

A Metalsmith plugin that generates file metadata to use in conjuction with metalsmith-lunr and lunr.js.

The metalsmith-lunr plugin generates a search index JSON file. The lunr search engine uses this to perform a search and returns the keys that match. I wanted to display some post metadata in the search results view, and so I created this plugin to generate a metadata file using the same keys to use in my search results page.

Usage

The plugin indexes the same set of files as the metalsmith-lunr plugin: files with lunr: true set in the metadata.

You need to specify the path where the metadata file will be created, and the file properties you want included.

var searchMeta = require('metalsmith-searchmeta');
Metalsmith.use(searchMeta(
   {
      path: 'searchMeta.json',
      properties: ['title', 'date', 'author']   
   }));

This will generate a JSON file with metadata for every file included in the lunr search. The structure will be similar to the metalsmith file structure, with the file containing a single JSON object, with the urls being the keys, and the metadata being the values. For instance, the file might look like this:

{
   "page1/index.html":
      {
         "title":"Page 1",
         "date":"2015-04-01T00:00:00.000Z",
         "author":"Builder"
      },
   "page2/index.html":
      {
         "title":"Page 2",
         "date":"2015-04-09T00:00:00.000Z",
         "author":"Builder"
      }
}

On your search page, you can take the results returned by lunr, retrieve the file metadata and then display it using your client-side templating engine of choice.

Defaults

You can use the plugin without supplying any options. If no options are supplied, the following defaults will be used:

   var defaults = { 
      path: 'searchMeta.json',
      properties: ['title', 'date', 'author', 'tags', 'image', 'wordCount', 'readingTime', 'path']
   };

If these properties do not exist on your files, they will just be ignored.

Tests

$ npm test

Licence

GPLv2

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Metalsmith plugin to generate a json file of metadata for use in conjunction with metalsmith-lunr

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