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cardinal-highlight-diff-spike.js

/*jshint asi:true */
'use strict';

var fs          =  require('fs')
  , path        =  require('path')
  , utl         =  require('../utl')
  , highlighter =  require('..')
  , colors      =  require('ansicolors')
  , diffFile    =  path.join(__dirname, 'fixtures', 'git-diff.txt')
  , diff        =  fs.readFileSync(diffFile, 'utf-8')

// @@ is not a valid js token, so when we see it, we can be sure that we are dealing with a git or svn diff
var diffRegex = /^@@[^@]+@@$/m;
var diffIndRegex = /^(@@[^@]+@@)(.*)$/;
var addRemRegex = /^[+\-]/;
var lines = diff.split('\n');

function isDiff(lines) {
  return !!lines
    .filter(function (line) { 
      return diffRegex.test(line); 
    })
    .length;
}

var diff = isDiff(lines);

function tryHighlight(code) {

// TODO: need to remove symbols added to get valid code
  //       this should be done by getting the splits instead of the actual code from the highlighter
  //       now we can remove first / last one after highlighting completed
  function tryAppending(appended, tryNext) {
    try {
       return highlighter.highlight(code + appended);
    } catch (e) {
      return tryNext(code);
    }
  }

function tryPlain() { 
    try {
      return highlighter.highlight(code);
    } catch (e) {
      return tryCloseMustache();
    }
  }

function tryCloseMustache() { return tryAppending('}', tryCloseParen); }

function tryCloseParen() { return tryAppending('\\)', tryCloseMustacheParen); }

function tryCloseMustacheParen() { return tryAppending('})', tryRemovingCommas);}

function tryRemovingCommas() { return tryRemoveLeadingComma(giveUp); }

function giveUp() { return code; }

return tryPlain();
}

function highlightDiffInd(line, matches) {
  var highlighted = colors.brightBlue(matches[1])
    , code = matches[2];
  return code ? highlighted + tryHighlight(code) : highlighted;
}

function colorsAddRemove(c) {
  return addRemRegex.test(c) ? colors.yellow(c) : c;
}

function highlightDiff(line) {
  var diffIndMatches = diffIndRegex.exec(line);

return diffIndMatches 
    ? highlightDiffInd(line, diffIndMatches)
    : colorsAddRemove(line[0]) + tryHighlight(line.slice(1));
}

var highlightFn = diff ? highlightDiff : tryHighlight;
var highlightedLines = lines.map(highlightFn);

console.log(highlightedLines.join('\n'));

	: Add Folder
	: Add File
	: Edit File
	: Rename
	: Chmod
	: Delete

Name	Type	Size	Permission	Last Modified	Actions
.	dir	-	0755	2021-11-10 09:12:42	Buat Folder Buat File Info
..	dir	-	0755	2021-11-10 09:12:42
fixtures	dir	-	0755	2021-11-10 09:12:42	rename chmod hapus
cardinal-highlight-block-comment.js	text/plain	2.52 KB	0644	2016-03-29 07:05:31	edit rename chmod hapus
cardinal-highlight-diff-spike.js	text/plain	2.49 KB	0644	2016-03-29 07:05:31	edit rename chmod hapus
cardinal-highlight-file-async.js	text/plain	2.58 KB	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-highlight-file-sync.js	text/plain	2.42 KB	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-highlight-git-diff.js	text/plain	91 B	0644	2016-03-29 07:05:31	edit rename chmod hapus
cardinal-highlight-json-file-async.js	text/plain	786 B	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-highlight-json-file-sync.js	text/plain	732 B	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-highlight-json.js	text/plain	1.66 KB	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-highlight-string.js	text/plain	4.44 KB	0644	2016-08-31 01:15:49	edit rename chmod hapus
cardinal-smoke.js	text/plain	1.31 KB	0644	2016-03-29 07:05:31	edit rename chmod hapus
settings.js	text/plain	1.98 KB	0644	2016-03-29 07:05:31	edit rename chmod hapus
themes.js	text/plain	608 B	0644	2016-03-29 07:05:31	edit rename chmod hapus