1
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var baseRepeat = require('./_baseRepeat'),
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2
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baseToString = require('./_baseToString'),
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3
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castSlice = require('./_castSlice'),
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4
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hasUnicode = require('./_hasUnicode'),
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5
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stringSize = require('./_stringSize'),
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6
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stringToArray = require('./_stringToArray');
|
7
|
|
8
|
/* Built-in method references for those with the same name as other `lodash` methods. */
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9
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var nativeCeil = Math.ceil;
|
10
|
|
11
|
/**
|
12
|
* Creates the padding for `string` based on `length`. The `chars` string
|
13
|
* is truncated if the number of characters exceeds `length`.
|
14
|
*
|
15
|
* @private
|
16
|
* @param {number} length The padding length.
|
17
|
* @param {string} [chars=' '] The string used as padding.
|
18
|
* @returns {string} Returns the padding for `string`.
|
19
|
*/
|
20
|
function createPadding(length, chars) {
|
21
|
chars = chars === undefined ? ' ' : baseToString(chars);
|
22
|
|
23
|
var charsLength = chars.length;
|
24
|
if (charsLength < 2) {
|
25
|
return charsLength ? baseRepeat(chars, length) : chars;
|
26
|
}
|
27
|
var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
|
28
|
return hasUnicode(chars)
|
29
|
? castSlice(stringToArray(result), 0, length).join('')
|
30
|
: result.slice(0, length);
|
31
|
}
|
32
|
|
33
|
module.exports = createPadding;
|