// ==UserScript==
// @name             Github JSON Dependencies Linker
// @id               Github_JSON_Dependencies_Linker@https://github.com/jerone/UserScripts
// @namespace        https://github.com/jerone/UserScripts
// @description      Linkify all dependencies found in an JSON file.
// @author           jerone
// @copyright        2015+, jerone (https://github.com/jerone)
// @license          CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license          GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @homepage         https://github.com/jerone/UserScripts/tree/master/Github_JSON_Dependencies_Linker
// @homepageURL      https://github.com/jerone/UserScripts/tree/master/Github_JSON_Dependencies_Linker
// @supportURL       https://github.com/jerone/UserScripts/issues
// @contributionURL  https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @version          0.3.2
// @icon             https://github.githubassets.com/pinned-octocat.svg
// @grant            GM_xmlhttpRequest
// @run-at           document-end
// @include          https://github.com/*/package.json
// @include          https://github.com/*/npm-shrinkwrap.json
// @include          https://github.com/*/bower.json
// @include          https://github.com/*/project.json
// ==/UserScript==
// cSpell:ignore linkify, Sindre Sorhus
/* eslint security/detect-object-injection: "off" */
(function () {
var blobElm = document.querySelector(".highlight"),
blobLineElms = blobElm.querySelectorAll(".blob-code > span"),
pkg = (function () {
try {
// JSON parser could fail on JSON with comments.
return JSON.parse(blobElm.textContent);
} catch (ex) {
// Strip out comments from the JSON and try again.
return JSON.parse(stripJsonComments(blobElm.textContent));
}
})(),
isNPM =
location.pathname.endsWith("/package.json") ||
location.pathname.endsWith("/npm-shrinkwrap.json"),
isBower = location.pathname.endsWith("/bower.json"),
isNuGet = location.pathname.endsWith("/project.json"),
isAtom = (function () {
if (location.pathname.endsWith("/package.json")) {
if (pkg.atomShellVersion) {
return true;
} else if (pkg.engines && pkg.engines.atom) {
return true;
}
}
return false;
})(),
dependencyKeys = [
"dependencies",
"devDependencies",
"peerDependencies",
"bundleDependencies",
"bundledDependencies",
"packageDependencies",
"optionalDependencies",
],
modules = (function () {
var _modules = {};
dependencyKeys.forEach(function (dependencyKey) {
_modules[dependencyKey] = [];
});
return _modules;
})();
// Get an unique list of all modules.
function fetchModules(root) {
dependencyKeys.forEach(function (dependencyKey) {
var dependencies = root[dependencyKey] || {};
Object.keys(dependencies).forEach(function (module) {
if (modules[dependencyKey].indexOf(module) === -1) {
modules[dependencyKey].push(module);
}
fetchModules(dependencies[module]);
});
});
}
fetchModules(pkg);
// Linkify module.
function linkify(module, url) {
// Try to find the module; could be multiple locations.
var moduleFilterText = '"' + module + '"';
var moduleElms = Array.prototype.filter.call(
blobLineElms,
function (blobLineElm) {
if (blobLineElm.textContent.trim() === moduleFilterText) {
// Module name preceding a colon is never a key.
var prev = blobLineElm.previousSibling;
return !(prev && prev.textContent.trim() === ":");
}
return false;
},
);
// Modules could exist in multiple dependency lists.
Array.prototype.forEach.call(moduleElms, function (moduleElm) {
// Module names are textNodes on Github.
var moduleElmText = Array.prototype.find.call(
moduleElm.childNodes,
function (moduleElmChild) {
return moduleElmChild.nodeType === 3;
},
);
var moduleElmLink = document.createElement("a");
moduleElmLink.setAttribute("href", url);
moduleElmLink.appendChild(document.createTextNode(module));
// Replace textNode, so we keep surrounding elements (like the highlighted quotes).
moduleElm.replaceChild(moduleElmLink, moduleElmText);
});
}
/*!
strip-json-comments
Strip comments from JSON. Lets you use comments in your JSON files!
https://github.com/sindresorhus/strip-json-comments
by Sindre Sorhus
MIT License
*/
function stripJsonComments(str) {
var currentChar;
var nextChar;
var insideString = false;
var insideComment = false;
var ret = "";
for (var i = 0; i < str.length; i++) {
currentChar = str[i];
nextChar = str[i + 1];
if (!insideComment && str[i - 1] !== "\\" && currentChar === '"') {
insideString = !insideString;
}
if (insideString) {
ret += currentChar;
continue;
}
if (!insideComment && currentChar + nextChar === "//") {
insideComment = "single";
i++;
} else if (
insideComment === "single" &&
currentChar + nextChar === "\r\n"
) {
insideComment = false;
i++;
ret += currentChar;
ret += nextChar;
continue;
} else if (insideComment === "single" && currentChar === "\n") {
insideComment = false;
} else if (!insideComment && currentChar + nextChar === "/*") {
insideComment = "multi";
i++;
continue;
} else if (
insideComment === "multi" &&
currentChar + nextChar === "*/"
) {
insideComment = false;
i++;
continue;
}
if (insideComment) {
continue;
}
ret += currentChar;
}
return ret;
}
// Init.
Object.keys(modules).forEach(function (dependencyKey) {
modules[dependencyKey].forEach(function (module) {
if (isAtom && dependencyKey === "packageDependencies") {
// Atom needs to be before NPM.
let url = "https://atom.io/packages/" + module;
linkify(module, url);
} else if (isNPM) {
let url = "https://www.npmjs.org/package/" + module;
linkify(module, url);
} else if (isBower) {
GM_xmlhttpRequest({
method: "GET",
url: "http://bower.herokuapp.com/packages/" + module,
onload: function (response) {
var data = JSON.parse(response.responseText);
var re = /github\.com\/([\w\-.]+)\/([\w\-.]+)/i;
var parsedUrl = re.exec(data.url.replace(/\.git$/, ""));
if (parsedUrl) {
var user = parsedUrl[1];
var repo = parsedUrl[2];
var url = "https://github.com/" + user + "/" + repo;
linkify(module, url);
} else {
linkify(module, data.url);
}
},
});
} else if (isNuGet) {
var url = "https://www.nuget.org/packages/" + module;
linkify(module, url);
}
});
});
})();