|
| 1 | +/* global document, window, R */ |
| 2 | + |
| 3 | +(function() { |
| 4 | + |
| 5 | + var findFirst = R.find(R.prop('offsetParent')); |
| 6 | + |
| 7 | + function toArray(xs) { |
| 8 | + return Array.prototype.slice.call(xs); |
| 9 | + } |
| 10 | + |
| 11 | + function filterTocType(category) { |
| 12 | + nameFilter.value = category; |
| 13 | + filterToc(); |
| 14 | + } |
| 15 | + |
| 16 | + function filterToc() { |
| 17 | + var f = filterElement.bind(null, nameFilter.value); |
| 18 | + funcs.forEach(f); |
| 19 | + } |
| 20 | + |
| 21 | + function filterElement(nameFilter, elem) { |
| 22 | + elem.style.display = |
| 23 | + strIn(nameFilter, elem.getAttribute('data-name')) || |
| 24 | + R.toLower(nameFilter) === R.toLower(elem.getAttribute('data-category')) ? |
| 25 | + '' : |
| 26 | + 'none'; |
| 27 | + } |
| 28 | + |
| 29 | + function gotoFirst(e) { |
| 30 | + if (R.isEmpty(e.detail)) { |
| 31 | + return; |
| 32 | + } |
| 33 | + |
| 34 | + var func = findFirst(funcs); |
| 35 | + if (func) { |
| 36 | + var onHashChange = function() { |
| 37 | + e.target.focus(); |
| 38 | + window.removeEventListener('hashchange', onHashChange); |
| 39 | + }; |
| 40 | + |
| 41 | + // Hash change blurs input, put focus back to input |
| 42 | + window.addEventListener('hashchange', onHashChange); |
| 43 | + window.location.hash = func.getAttribute('data-name'); |
| 44 | + } |
| 45 | + } |
| 46 | + |
| 47 | + function strIn(a, b) { |
| 48 | + a = a.toLowerCase(); |
| 49 | + b = b.toLowerCase(); |
| 50 | + return b.indexOf(a) >= 0; |
| 51 | + } |
| 52 | + |
| 53 | + function scrollToTop() { |
| 54 | + var main = document.querySelector('main'); |
| 55 | + main.scrollTop = 0; |
| 56 | + } |
| 57 | + |
| 58 | + function isTopLink(elem) { |
| 59 | + return elem.getAttribute('href') === '#'; |
| 60 | + } |
| 61 | + |
| 62 | + function isAnchorLink(elem) { |
| 63 | + return elem.tagName === 'A' && elem.getAttribute('href').charAt(0) === '#'; |
| 64 | + } |
| 65 | + |
| 66 | + function closeNav() { |
| 67 | + document.getElementById('open-nav').checked = false; |
| 68 | + } |
| 69 | + |
| 70 | + function dispatchEvent(event) { |
| 71 | + var target = event.target; |
| 72 | + var category = target.getAttribute('data-category'); |
| 73 | + |
| 74 | + if (isAnchorLink(target)) { |
| 75 | + closeNav(); |
| 76 | + } |
| 77 | + if (category) { |
| 78 | + filterTocType(category); |
| 79 | + } |
| 80 | + if (isTopLink(target)) { |
| 81 | + scrollToTop(target); |
| 82 | + } |
| 83 | + } |
| 84 | + |
| 85 | + function keypress(e) { |
| 86 | + if (e.which === 13) { |
| 87 | + e.target.dispatchEvent(new window.CustomEvent('enter', { |
| 88 | + detail: e.target.value |
| 89 | + })); |
| 90 | + } |
| 91 | + } |
| 92 | + |
| 93 | + // https://goo.gl/Zbejtc |
| 94 | + function fixedEncodeURIComponent (str) { |
| 95 | + return encodeURIComponent(str).replace(/[!'()*]/g, function(c) { |
| 96 | + return '%' + c.charCodeAt(0).toString(16); |
| 97 | + }); |
| 98 | + } |
| 99 | + |
| 100 | + function tryInREPL(event) { |
| 101 | + var target = event.target; |
| 102 | + var isREPL = target.matches('.send-repl'); |
| 103 | + var isRun = target.matches('.run-here'); |
| 104 | + |
| 105 | + if (!isREPL && !isRun) { |
| 106 | + return; |
| 107 | + } |
| 108 | + |
| 109 | + var codeElement = target.parentNode.nextElementSibling; |
| 110 | + |
| 111 | + if (isREPL || !window.RunKit) { |
| 112 | + var version = event.target.dataset && event.target.dataset.ramdaVersion; |
| 113 | + var versionParam = version ? '?v=' + version : ''; |
| 114 | + var code = codeElement.textContent; |
| 115 | + var encoded = fixedEncodeURIComponent(code); |
| 116 | + |
| 117 | + return window.open(location.origin + '/repl/' + |
| 118 | + versionParam + '#;' + encoded); |
| 119 | + } |
| 120 | + |
| 121 | + var parent = target.parentNode.parentNode; |
| 122 | + var ramdaVersion = target.dataset && "@" + target.dataset.ramdaVersion || ""; |
| 123 | + |
| 124 | + parent.style.background = "transparent"; |
| 125 | + parent.style.overflow = "hidden"; |
| 126 | + |
| 127 | + var container = document.createElement("div"); |
| 128 | + |
| 129 | + container.style.width = "1px"; |
| 130 | + container.style.height = "1px"; |
| 131 | + |
| 132 | + parent.appendChild(container); |
| 133 | + |
| 134 | + RunKit.createNotebook({ |
| 135 | + element: container, |
| 136 | + nodeVersion: '*', |
| 137 | + preamble: 'var R = require("ramda' + ramdaVersion + '")', |
| 138 | + source: codeElement.textContent, |
| 139 | + syntaxTheme: 'atom-dark-syntax', |
| 140 | + minHeight: "52px", |
| 141 | + onLoad: function(notebook) { |
| 142 | + parent.removeChild(codeElement); |
| 143 | + parent.removeChild(target.parentNode); |
| 144 | + |
| 145 | + container.style.cssText = ""; |
| 146 | + |
| 147 | + var iframe = container.lastElementChild; |
| 148 | + iframe.style.cssText = 'height:' + iframe.style.height; |
| 149 | + iframe.classList.add('repl-inline'); |
| 150 | + notebook.evaluate() |
| 151 | + } |
| 152 | + }); |
| 153 | + } |
| 154 | + |
| 155 | + |
| 156 | + var nameFilter = document.getElementById('name-filter'); |
| 157 | + var funcs = toArray(document.querySelectorAll('.toc .func')); |
| 158 | + filterToc(); |
| 159 | + |
| 160 | + document.body.addEventListener('click', dispatchEvent, false); |
| 161 | + nameFilter.addEventListener('input', filterToc, false); |
| 162 | + nameFilter.addEventListener('keypress', keypress, false); |
| 163 | + nameFilter.addEventListener('enter', gotoFirst); |
| 164 | + document.body.addEventListener('click', tryInREPL); |
| 165 | + |
| 166 | + document.body.addEventListener('keyup', function(event) { |
| 167 | + if (191 == event.which) |
| 168 | + document.getElementById('name-filter').focus() |
| 169 | + }); |
| 170 | + |
| 171 | + document.body.addEventListener('click', function(event) { |
| 172 | + if (event.target.className.split(' ').indexOf('toggle-params') >= 0) { |
| 173 | + var expanded = event.target.parentNode.getAttribute('data-expanded'); |
| 174 | + event.target.parentNode.setAttribute( |
| 175 | + 'data-expanded', |
| 176 | + expanded === 'true' ? 'false' : 'true' |
| 177 | + ); |
| 178 | + } |
| 179 | + }, false); |
| 180 | + |
| 181 | + // back-button hack |
| 182 | + window.addEventListener('hashchange', function() { |
| 183 | + location.href = location.href; |
| 184 | + }, false); |
| 185 | + |
| 186 | +}.call(this)); |
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