Linkify all dependencies found in an JSON file.
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// ==UserScript==
// @id Github_JSON_Dependencies_Linker@https://github.com/jerone/UserScripts
// @name Github JSON Dependencies Linker
// @namespace https://github.com/jerone/UserScripts
// @description Linkify all dependencies found in an JSON file.
// @author jerone
// @copyright 2015+, jerone (http://jeroenvanwarmerdam.nl)
// @license GNU GPLv3
// @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 0.1.0
// @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==
/* global GM_xmlhttpRequest */
(function() {
var isNPM = location.pathname.endsWith('/package.json') || location.pathname.endsWith('/npm-shrinkwrap.json'),
isBower = location.pathname.endsWith('/bower.json'),
isNuGet = location.pathname.endsWith('/project.json'),
blobElm = document.querySelector('.blob-wrapper'),
blobLineElms = blobElm.querySelectorAll('.blob-code > span'),
pkg = (function() {
// JSON parser could fail on JSON with comments;
try {
return JSON.parse(blobElm.textContent);
} catch (ex) {
function stripJsonComments(str) {
/*!
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
*/
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;
}
// Strip out comments from the JSON and try again;
return JSON.parse(stripJsonComments(blobElm.textContent));
}
})(),
dependencyKeys = [
'dependencies',
'devDependencies',
'peerDependencies',
'bundleDependencies',
'bundledDependencies',
'optionalDependencies'
],
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.indexOf(module) === -1) {
modules.push(module);
}
fetchModules(dependencies[module]);
});
});
}
// Get url depending on json type;
var getUrl = (function() {
if (isNPM) {
return function(module) {
var url = 'https://www.npmjs.org/package/' + module;
linkify(module, url);
};
} else if (isBower) {
return function(module) {
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) {
return function(module) {
var url = 'https://www.nuget.org/packages/' + module;
linkify(module, url);
};
}
})();
// Linkify module;
function linkify(module, url) {
// Try to find the module; could be mulitple 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);
});
}
// Init;
fetchModules(pkg);
modules.forEach(function(module) {
getUrl(module);
});
})();