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const url = require('url');
const path = require('path');
const { Record, List } = require('immutable');
const File = require('./File');
const OUTPUT_EXTENSION = '.html';
const DEFAULTS = {
title: '',
depth: 0,
path: '',
ref: '',
level: '',
articles: List()
};
class SummaryArticle extends Record(DEFAULTS) {
constructor(article) {
super({
...article,
articles: (new List(article.articles))
.map(art => new SummaryArticle(art))
});
}
/**
* Return url for a file in a GitBook context.
* @param {Context} context
* @return {String} url
*/
toURL(context) {
const { readme } = context.getState();
const fileReadme = readme.file;
const parts = url.parse(this.ref);
if (parts.protocol) {
return this.ref;
}
const file = new File(parts.pathname);
let filePath = file.toURL(context);
// Change extension and resolve to .html
if (
path.basename(filePath, path.extname(filePath)) == 'README' ||
(fileReadme && filePath == fileReadme.path)
) {
filePath = path.join(path.dirname(filePath), 'index' + OUTPUT_EXTENSION);
} else {
filePath = path.basename(filePath, path.extname(filePath)) + OUTPUT_EXTENSION;
}
return filePath + (parts.hash || '');
}
/**
* Return true if article is an instance of SummaryArticle
* @param {Mixed} article
* @return {Boolean}
*/
static is(article) {
return (article instanceof SummaryArticle);
}
}
module.exports = SummaryArticle;
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