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var _ = require('lodash');
var path = require('path');
var cheerio = require('cheerio');
var links = require('./links');
// Adapt an html snippet to be relative to a base folder
function normalizeHtml(src, options) {
var $ = cheerio.load(src);
$("img").each(function() {
var src = $(this).attr("src");
// Transform as absolute
if (links.isRelative(src)) {
src = links.toAbsolute(src, options.base, options.output);
}
$(this).attr("src", src);
});
$("a").each(function() {
var href = $(this).attr("href");
if (links.isRelative(href)) {
var absolutePath = path.join(options.base, href);
// If is in navigation relative: change extsnio nto be .html
if (options.navigation[absolutePath]) href = links.changeExtension(href, ".html");
// Transform as absolute
href = links.toAbsolute(href, options.base, options.output);
} else {
$(this).attr("target", "_blank");
}
// Transform extension
$(this).attr("href", href);
});
return $.html();
};
// Adapt page content to be relative to a base folder
function normalizePage(sections, options) {
options = _.defaults(options || {}, {
// Navigation to use to transform path
navigation: {},
// Directory parent of the file currently in rendering process
base: "./",
// Directory parent from the html output
output: "./"
});
return _.map(sections, function(section) {
if (section.type != "normal") return section;
section.content = normalizeHtml(section.content, options);
return section;
});
};
module.exports = {
normalize: normalizePage
};
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