@cloudcannon/data-extractor

Data Extractor

Parses content files to generate a dataset. The output is sent to stdout, ready to pipe into a file for another process to consume.

• Installation
• Usage
• Configuration
• Development
• License

Installation

npm install --global @cloudcannon/data-extractor

This gives you access to the data-extractor binary.

Usage

data-extractor <path> [options]

To print usage details:

data-extractor --help

Parses content files to generate a dataset.

Usage
  $ data-extractor <path> [options]

Options
  --recursive, -r  Search folders recursively
  --no-recursive,  Prevents search folders recursively (default)
  --extension, -e  Allowed extension(s) to parse (default: 'md')
  --selector,  -s  JSON path to the data you want to parse (required)
  --verbose        Prints more debugging information
  --help           Prints this usage information
  --version        Prints the current version

Examples
  $ data-extractor content/posts -r -s '$.categories'
  $ data-extractor content -e md -e html -s 'seo.title'

Examples

Create a file at data/categories.json containing the combined, unique values of categories from the front matter of each file at content/posts/**/*:

data-extractor content/posts -r -s '$.categories' > data/categories.json

Create a file at data/page-titles.json containing the combined, unique values of seo.title from the front matter of each Markdown and HTML file at content/*:

data-extractor content -e md -e html -s 'seo.title' > data/page-titles.json

Development

Install dependencies:

npm i

Run tests:

npm test
npm run test:watch
npm run test:coverage

Lint code:

npm run lint

Link this package locally to test it on a site folder, then run it within your site folder:

npm link
cd ../my-ssg-site
data-extractor

License

ISC