StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics https://doi.org/10.1109/TVCG.2020.3030352
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StackGenVis/frontend/node_modules/gray-matter/lib/excerpt.js

33 lines
747 B

'use strict';
var defaults = require('./defaults');
module.exports = function(file, options) {
var opts = defaults(options);
if (file.data == null) {
file.data = {};
}
if (typeof opts.excerpt === 'function') {
return opts.excerpt(file, opts);
}
var sep = file.data.excerpt_separator || opts.excerpt_separator;
if (sep == null && (opts.excerpt === false || opts.excerpt == null)) {
return file;
}
var delimiter = sep || opts.delimiters[0];
if (typeof opts.excerpt === 'string') {
delimiter = opts.excerpt;
}
// if enabled, get the excerpt defined after front-matter
var idx = file.content.indexOf(delimiter);
if (idx !== -1) {
file.excerpt = file.content.slice(0, idx);
}
return file;
};