aaac7fed
 liuqimichale
add
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var splitRE = /\r?\n/g
var emptyRE = /^\s*$/
var needFixRE = /^(\r?\n)*[\t\s]/
module.exports = function deindent (str) {
if (!needFixRE.test(str)) {
return str
}
var lines = str.split(splitRE)
var min = Infinity
var type, cur, c
for (var i = 0; i < lines.length; i++) {
var line = lines[i]
if (!emptyRE.test(line)) {
if (!type) {
c = line.charAt(0)
if (c === ' ' || c === '\t') {
type = c
cur = count(line, type)
if (cur < min) {
min = cur
}
} else {
return str
}
} else {
cur = count(line, type)
if (cur < min) {
min = cur
}
}
}
}
return lines.map(function (line) {
return line.slice(min)
}).join('\n')
}
function count (line, type) {
var i = 0
while (line.charAt(i) === type) {
i++
}
return i
}
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