@lunaticmuch/front-matter-manipulator/lib/commands/fields.js

A utility for parsing and manipulating documents with Front Matter

import Command  from '../core/fields.js';

export const command = 'fields <file|pattern>';

export const usage = 'Usage: $0 fields <file|pattern> --filters key=value';

export const aliases = ['f'];

export const describe = 'Outputs all possible fields for given files';

export const example = '$0 fields "**/*.md" --filters layout=default';

export const builder = {
    include: {
        alias: 'inc',
        describe: 'Provide a comma delimited list of key-value pairs to only include datasets that match'
    },
    exclude: {
        alias: 'exc',
        describe: 'Provide a comma delimited list of key-value pairs to exclude datasets that match'
    },
    'output-file': {
        'alias': 'O',
        'describe': 'Writes the output to the specified file'
    },
    'output-string': {
        'alias': 'Q',
        'describe': 'Writes the output out as a space delimited string'
    }
};

export const handler = function(argv) {
    var options = Object.assign({cli: true}, argv);

    return Command(options.file, options);
};