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September 12, 2016 09:59
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Clean Vigour CSS from unwanted properties
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var fs = require('fs') | |
var LineByLine = require('line-by-line') | |
var bundle = 'bundle.css' | |
var _bundle = '_bundle.css' | |
var file = 'new.less' | |
var _file = '_new.less' | |
var cleanRegEx = /^((\s+)?((\.|\@|\d).+|color|background|border|a|html|body|div|section|div|body|section|img|thumb|\:\:).+|((\s+)?\}))/m | |
var emptyRegEx = /^((.+\,\n)+)?(.+\{)(\n+|\s+)\}\n?/gm | |
var resetRegEx = /\/\*\s(file.+reset)(\n|.)+(file.+variables.+)/gm | |
fs.exists(file, (exists) => { | |
if (exists) fs.unlink(file) | |
fs.writeFile(file, '') | |
}) | |
fs.exists(_file, (exists) => { | |
if (exists) fs.unlink(_file) | |
fs.writeFile(_file, '') | |
}) | |
fs.exists(_bundle, (exists) => { | |
if (exists) fs.unlink(_bundle) | |
fs.writeFile(_bundle, '') | |
}) | |
fs.readFile(bundle, 'utf8', (err, data) => { | |
if (err) throw err | |
var result = data.replace(resetRegEx, '') | |
fs.writeFile(_bundle, result) | |
var bundleLines = new LineByLine(_bundle) | |
bundleLines.on('line', (line) => { | |
if (cleanRegEx.test(line)) { | |
fs.appendFileSync(_file, `${line}\n`) | |
} | |
}) | |
bundleLines.on('end', () => { | |
fs.readFile(_file, 'utf8', (err, data) => { | |
if (err) throw err | |
var result = data.replace(emptyRegEx, '').replace(emptyRegEx, '') | |
fs.appendFileSync(file, `body.vijf {\n ${result} \n}`, 'utf8') | |
fs.unlink(_file) | |
fs.unlink(_bundle) | |
}) | |
}) | |
}) |
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