*/
group.forEach(id => {
const file = $(`#${id}`, files);
if (file) {
file.classList.toggle(`gdf-${subgroup}-hidden`, !show);
}
});
}
function updateAllButton(subgroup) {
const buttons = $(`#files .gdf-${subgroup}-filter`),
filters = $$(`a:not(.gdf-${subgroup}-all)`, buttons),
selected = $$(`a:not(.gdf-${subgroup}-all).selected`, buttons);
// set "all" button
$(`.gdf-${subgroup}-all`, buttons).classList.toggle(
"selected",
filters.length === selected.length
);
}
function getSHA(file) {
return file.hash
// #toc points to "a"
? file.hash.slice(1)
// .pr-toolbar points to "a > div > div.filename"
: file.closest("a").hash.slice(1);
}
function buildList() {
exts = {};
folders = {};
// make noExtLabel the first element in the object
exts[noExtLabel] = [];
exts[dotExtLabel] = [];
exts[renameFileLabel] = [];
exts[minFileLabel] = [];
folders[rootLabel] = [];
// TOC in file diffs and pr-toolbar in Pull requests
$$(".file-header .file-info > a").forEach(file => {
let txt = (file.title || file.textContent || "").trim();
if (txt) {
const path = txt.split("/");
const filename = path.splice(-1)[0];
// test for no extension, then get extension name
// regexp from https://github.com/silverwind/file-extension
let ext = /\./.test(filename) ? /[^./\\]*$/.exec(filename)[0] : noExtLabel;
const min = /\.min\./.test(filename);
// Add filter for renamed files: {old path} → {new path}
if (txt.indexOf(" → ") > -1) {
ext = renameFileLabel;
} else if (ext === filename.slice(1)) {
ext = dotExtLabel;
}
const sha = getSHA(file);
if (ext) {
if (!exts[ext]) {
exts[ext] = [];
}
exts[ext].push(sha);
if (min) {
exts[minFileLabel].push(sha);
}
}
if (path.length > 0) {
path.forEach(folder => {
if (!folders[folder]) {
folders[folder] = [];
}
folders[folder].push(sha);
});
} else {
folders[rootLabel].push(sha);
}
}
});
}
function makeFilter({subgroup, label}) {
const files = $("#files");
let filters = 0;
const group = subgroup === "folder" ? folders : exts;
const keys = Object.keys(group);
let html = `${label}:
`;
const btnClass = "btn btn-sm selected BtnGroup-item tooltipped tooltipped-n";
// get length, but don't count empty arrays
keys.forEach(item => {
filters += group[item].length > 0 ? 1 : 0;
});
// Don't bother showing the filter if only one extension is found
if (files && filters > 1) {
filters = $(`.gdf-${subgroup}-filter-wrapper`);
if (!filters) {
filters = document.createElement("p");
filters.className = `gdf-${subgroup}-filter-wrapper`;
files.insertBefore(filters, files.firstChild);
filters.addEventListener("click", event => {
if (event.target.nodeName === "A") {
event.preventDefault();
event.stopPropagation();
const el = event.target;
el.classList.toggle("selected");
toggleBlocks({
subgroup: el.dataset.subgroup,
type: el.textContent.trim(),
show: el.classList.contains("selected")
});
}
});
}
// add a filter "all" button to the beginning
html += `
${allLabel}
`;
keys.forEach(item => {
if (group[item].length) {
html += `
${item}
`;
}
});
// prepend filter buttons
filters.innerHTML = html + "
";
}
}
function init() {
if ($("#files.diff-view") || $(".pr-toolbar")) {
buildList();
makeFilter({subgroup: "folder", label: "Filter file folder"});
makeFilter({subgroup: "extension", label: "Filter file extension"});
}
}
function $(str, el) {
return (el || document).querySelector(str);
}
function $$(str, el) {
return [...(el || document).querySelectorAll(str)];
}
document.addEventListener("ghmo:container", init);
document.addEventListener("ghmo:diff", init);
init();
})();