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GitHub Diff Links

A userscript that adds links to diff and pull request headers to jump back & forth between files

Verze ze dne 14. 04. 2017. Zobrazit nejnovější verzi.

  1. // ==UserScript==
  2. // @name        GitHub Diff Links
  3. // @version     1.2.3
  4. // @description A userscript that adds links to diff and pull request headers to jump back & forth between files
  5. // @license     https://creativecommons.org/licenses/by-sa/4.0/
  6. // @author      Rob Garrison
  7. // @namespace   https://github.com/Mottie
  8. // @include     https://github.com/*
  9. // @run-at      document-idle
  10. // @grant       GM_addStyle
  11. // @require     https://greatest.deepsurf.us/scripts/28721-mutations/code/mutations.js?version=188090
  12. // @icon        https://github.com/fluidicon.png
  13. // ==/UserScript==
  14. (() => {
  15. 	"use strict";
  16.  
  17. 	// sometimes tooltips are too narrow...
  18. 	GM_addStyle(".gh-diff-links:after { min-width: 120px; }");
  19.  
  20. 	const button = document.createElement("a"),
  21. 		// button [ InnerHTML, tooltip ]
  22. 		nextBtn = ["Next", "Jump to next file\n("],
  23. 		prevBtn = ["Prev", "Jump to previous file\n(" ];
  24.  
  25. 	button.className = "btn btn-sm tooltipped tooltipped-s tooltipped-multiline gh-diff-links";
  26. 	button.setAttribute("rel", "nofollow");
  27.  
  28. 	function addButton(el, content, link) {
  29. 		let btn = button.cloneNode(),
  30. 			txt = el.classList.contains("select-menu-item") ?
  31. 				$(".description", el).textContent :
  32. 				link.textContent || "";
  33. 		// clean up whitespace
  34. 		txt = txt.replace(/\s+/g, " ").trim();
  35. 		// only add file name to tooltip
  36. 		txt = txt.substring(txt.lastIndexOf("/") + 1, txt.length);
  37. 		btn.innerHTML = content[0];
  38. 		btn.setAttribute("aria-label", content[1] + txt + ")" );
  39. 		btn.href = link.hash;
  40. 		// prepend button
  41. 		el.insertBefore(btn, el.childNodes[0]);
  42. 	}
  43.  
  44. 	function addSpace(el, content) {
  45. 		let btn = button.cloneNode();
  46. 		btn.disabled = true;
  47. 		btn.className = "btn btn-sm gh-diff-links disabled";
  48. 		btn.innerHTML = content[0];
  49. 		el.insertBefore(btn, el.childNodes[0]);
  50. 	}
  51.  
  52. 	function addLinks() {
  53. 		let last, temp,
  54. 			links = $$(".file-header .file-info a");
  55. 		if (links.length) {
  56. 			// links & file-actions "should" be the same length
  57. 			last = links.length - 1;
  58. 			$$(".file-actions").forEach((el, indx) => {
  59. 				// remove disabled buttons added before progressive
  60. 				// content has completed loading
  61. 				temp = $(".gh-diff-links.disabled", el);
  62. 				if (temp) {
  63. 					temp.parentNode.removeChild(temp);
  64. 					// remove both buttons to allow updating
  65. 					temp = $(".gh-diff-links", el);
  66. 					temp.parentNode.removeChild(temp);
  67. 				}
  68. 				if (!$(".gh-diff-links", el)) {
  69. 					if (indx === 0) {
  70. 						addButton(el, nextBtn, links[indx + 1]);
  71. 						addSpace(el, prevBtn);
  72. 					} else if (indx === last) {
  73. 						// add dummy "next" button to keep spacing
  74. 						addSpace(el, nextBtn);
  75. 						addButton(el, prevBtn, links[indx - 1]);
  76. 					} else {
  77. 						addButton(el, nextBtn, links[indx + 1]);
  78. 						addButton(el, prevBtn, links[indx - 1]);
  79. 					}
  80. 				}
  81. 			});
  82. 		}
  83. 	}
  84.  
  85. 	function init() {
  86. 		if ($("#files.diff-view") || $(".pr-toolbar")) {
  87. 			addLinks();
  88. 		}
  89. 	}
  90.  
  91. 	function $(selector, el) {
  92. 		return (el || document).querySelector(selector);
  93. 	}
  94.  
  95. 	function $$(selector, el) {
  96. 		return Array.from((el || document).querySelectorAll(selector));
  97. 	}
  98.  
  99. 	// DOM targets - to detect GitHub dynamic ajax page loading
  100. 	document.addEventListener("ghmo:container", init);
  101. 	document.addEventListener("ghmo:diff", addLinks);
  102. 	init();
  103.  
  104. })();