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30 lines
687 B
30 lines
687 B
var regSpace = /^\s+/;
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exports = function(str, chars) {
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if (chars == null) {
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if (str.trimLeft) {
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return str.trimLeft();
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}
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return str.replace(regSpace, '');
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}
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var start = 0;
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var len = str.length;
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var charLen = chars.length;
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var found = true;
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var i;
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var c;
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while (found && start < len) {
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found = false;
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i = -1;
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c = str.charAt(start);
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while (++i < charLen) {
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if (c === chars[i]) {
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found = true;
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start++;
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break;
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}
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}
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}
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return start >= len ? '' : str.substr(start, len);
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};
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module.exports = exports;
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