Last active
May 12, 2018 18:55
-
-
Save Radivarig/878c368d75e9c0ba45c5559c99958e8a to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var setContentByUrl = (url, content) => localStorage[url] = JSON.stringify (content) | |
| var getContentByUrl = (url) => localStorage[url] && JSON.parse(localStorage[url]) | |
| var getHttpStringByUrl = (url) => { | |
| var xhr = new XMLHttpRequest() | |
| xhr.open( "GET", url, false) | |
| xhr.send(null) | |
| return xhr.responseText | |
| } | |
| var headersAndAnchors = Array.from(document.querySelectorAll('h2,a')) | |
| var linkNameUrlDict = {} | |
| var currentHeader | |
| headersAndAnchors.forEach (el => { | |
| if (el.tagName === 'H2') { | |
| currentHeader = el | |
| return | |
| } | |
| if (!currentHeader) | |
| return | |
| var key = (currentHeader.innerHTML + ": " + el.innerHTML).replace(/\s\s+/g, ' ') | |
| linkNameUrlDict[key] = el.href | |
| }) | |
| var linkNameUrlDictNames = window.linkNameUrlDictNames = Object.keys (linkNameUrlDict) | |
| var typeVacuumsDict = window.typeVacuumsDict = {} | |
| var getTypesByUrl = (url) => { | |
| var el = document.createElement('html') | |
| el.innerHTML = getHttpStringByUrl (url) | |
| var divTip = el.querySelector('#divTip') | |
| var text = divTip && divTip.innerHTML || "" | |
| text = text.replace ("TIP:", "") | |
| text = text.replace (/<br>/g,"") | |
| return text.split(",").map (t => t.trim()) | |
| } | |
| var fetchTypes = () => { | |
| var currentIndex = 0 | |
| var recursiveCall = () => { | |
| if (currentIndex >= linkNameUrlDictNames.length) { | |
| setContentByUrl ('typeVacuumsDict', typeVacuumsDict) | |
| console.log ("typeVacuumsDict", typeVacuumsDict) | |
| window.alert(` | |
| Enter: typeVacuumsDict | |
| -> Click result to drop down | |
| If you close the tab or browser, restore from cache: | |
| typeVacuumsDict = JSON.parse(localStorage.typeVacuumsDict) | |
| `) | |
| return | |
| } | |
| var didFetch = false | |
| var name = linkNameUrlDictNames[currentIndex] | |
| var url = linkNameUrlDict[name] | |
| var types = getContentByUrl (url) | |
| if (!types) { | |
| types = getTypesByUrl (url) | |
| setContentByUrl (url, types) | |
| didFetch = true | |
| } | |
| types.forEach ((type) => { | |
| if (!typeVacuumsDict[type]) | |
| typeVacuumsDict[type] = [] | |
| typeVacuumsDict[type].push(name) | |
| }) | |
| currentIndex++ | |
| if (didFetch) | |
| console.log (currentIndex, types, url) | |
| else console.log ("using cached value") | |
| setTimeout (recursiveCall, didFetch ? 50 : 0) | |
| } | |
| recursiveCall () | |
| } | |
| fetchTypes () |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment