nodemcu-firmware/docs/js/extra.js

85 lines
3.2 KiB
JavaScript

var nodemcu = nodemcu || {};
(function () {
'use strict';
$(document).ready(function () {
addToc();
replaceRelativeLinksWithStaticGitHubUrl();
});
/**
* Adds a TOC-style table to each page in the 'Modules' section.
*/
function addToc() {
var func, intro, tocHtmlTable;
if (isModulePage()) {
tocHtmlTable = '<table class="docutils">';
$('h2').each(function (index) {
// 'slice' cuts off the single permalink character at the end of the text (e.g. '¶')
func = $(this).text().slice(0, -1);
// get the first sentence of the paragraph directly below h2
intro = $(this).next().text();
intro = intro.substring(0, intro.indexOf('.') + 1);
tocHtmlTable += createTocTableRow(func, intro);
});
tocHtmlTable += '</table>';
$(tocHtmlTable).insertBefore($('h2').first())
}
function isModulePage() {
// if the breadcrumb contains 'Modules »' it must be an API page
return $("ul.wy-breadcrumbs li:contains('Modules »')").size() > 0;
}
function createTocTableRow(func, intro) {
// fragile attempt to auto-create the in-page anchor
var href = func.replace(/\.|:/g, '').replace('()', '').replace(' --', '-').replace(/ /g, '-');
var link = '<a href="#' + href.toLowerCase() + '">' + func + '</a>';
return '<tr><td>' + link + '</td><td>' + intro + '</td></tr>';
}
}
/**
* The module doc pages contain relative links to artifacts in the GitHub repository. For those links to work both
* on GitHub (i.e. when the page is viewed on GitHub) and on RTD they are defined with a relative URL. This function
* replaces the relative path with an absolute path based on the selected branch.
*/
function replaceRelativeLinksWithStaticGitHubUrl() {
var relativePath = "../../../..";
var gitHubPath = "https://github.com/nodemcu/nodemcu-firmware/tree/" + determineSelectedBranch();
var gitHubLinks = $("a[href^='" + relativePath + "']").each(function (index) {
var url = $(this).attr('href');
$(this).attr('href', url.replace(relativePath, gitHubPath));
});
}
/**
* Analyzes the URL of the current page to find out what the selected GitHub branch is. It's usually
* part of the location path. The code needs to distinguish between running MkDocs standalone
* and docs served from RTD. If no valid branch could be determined 'dev' returned.
*
* @returns GitHub branch name
*/
function determineSelectedBranch() {
var branch = 'dev', path = window.location.pathname;
if (window.location.origin.indexOf('readthedocs') > -1) {
// path is like /en/<branch>/<lang>/build/ -> extract 'lang'
// split[0] is an '' because the path starts with the separator
var thirdPathSegment = path.split('/')[2];
// 'latest' is an alias on RTD for the 'dev' branch - which is the default for 'branch' here
if (thirdPathSegment != 'latest') {
branch = thirdPathSegment;
}
}
return branch;
}
function values(associativeArray) {
var values = [];
for (var key in associativeArray) {
if (associativeArray.hasOwnProperty(key)) {
values.push(associativeArray[key]);
}
}
return values;
}
}());