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19 lines
415 B
19 lines
415 B
var isNum = require('./isNum');
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var isUndef = require('./isUndef');
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var repeat = require('./repeat');
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var regLineBegin = /^(?!\s*$)/gm;
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exports = function(str, char, len) {
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if (isNum(char)) {
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len = char;
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char = ' ';
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}
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if (isUndef(len)) len = 4;
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if (isUndef(char)) char = ' ';
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char = repeat(char, len);
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return str.replace(regLineBegin, char);
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};
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module.exports = exports;
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