Created
February 8, 2016 08:53
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Filter and fix commands from a asciicast doc file
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<link rel="stylesheet" type="text/css" href="/asciinema-player.css" /> | |
<script src="/asciinema-player.js"></script> | |
</head> | |
<body> | |
<div id="player-container"></div> | |
<script> | |
function generateCommandList(source) { | |
var clue = new RegExp(/\[37;1m/); | |
var commands = []; | |
function removeBackspaces (str) { | |
function lookAhead(arr,idx) { | |
var count = 1; | |
var x = idx; | |
while (arr[x] === '') { | |
count++; | |
x++; | |
} | |
return count; | |
} | |
var matches = []; | |
var result = ''; | |
var BS = /\x08\x1b\[K/g; | |
var segments = str.split(BS); | |
var j = 0; | |
var list = [] | |
while(j < segments.length) { | |
var skip = j == segments.length - 1 ? 0 : lookAhead(segments,j+1); | |
if(skip === 0) { | |
list.push(segments[j]); | |
//Force to step out of the loop | |
j = segments.length; | |
} else { | |
list.push(segments[j].substring(0, segments[j].length - skip)); | |
j = j + skip; | |
} | |
} | |
return list.join(""); | |
} | |
function buildCommand (arr, beginIdx) { | |
function getTimelineCue(idx) { | |
return source.slice(0,idx) | |
.map(function(o) { | |
return o[0]; | |
}) | |
.reduce(function (prev,cur,ix,v){ | |
return prev+cur; | |
}) - 1; | |
} | |
var command = arr | |
.map(function(tc){ | |
return tc[1]; | |
}) | |
.concat([]) | |
.join(""); | |
return { | |
start: getTimelineCue(beginIdx), | |
command: removeBackspaces(command.split("\r\n")[0].split("0m ")[2]) | |
}; | |
} | |
for(i = 0, len = source.length, lastMatch = 0; i <= len; i++) { | |
if (clue.test(source[i]) ) { | |
if (i == 0) { | |
//First command is on the first line , Skip it till next one | |
} else { | |
commands.push(buildCommand(source.slice(lastMatch,i-1), i)); | |
//Update lastMatch | |
lastMatch = i; | |
} | |
} | |
} | |
return commands; | |
} | |
var file = "/vagrant5.json"; | |
asciinema_player.core.CreatePlayer('player-container', file, { speed: 1, autoPlay: true}); | |
</script> | |
</body> | |
</html> |
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