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33 lines
1.1 KiB
33 lines
1.1 KiB
var baseRepeat = require('./_baseRepeat'), |
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baseToString = require('./_baseToString'), |
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castSlice = require('./_castSlice'), |
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hasUnicode = require('./_hasUnicode'), |
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stringSize = require('./_stringSize'), |
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stringToArray = require('./_stringToArray'); |
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/* Built-in method references for those with the same name as other `lodash` methods. */ |
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var nativeCeil = Math.ceil; |
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/** |
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* Creates the padding for `string` based on `length`. The `chars` string |
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* is truncated if the number of characters exceeds `length`. |
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* |
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* @private |
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* @param {number} length The padding length. |
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* @param {string} [chars=' '] The string used as padding. |
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* @returns {string} Returns the padding for `string`. |
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*/ |
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function createPadding(length, chars) { |
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chars = chars === undefined ? ' ' : baseToString(chars); |
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var charsLength = chars.length; |
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if (charsLength < 2) { |
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return charsLength ? baseRepeat(chars, length) : chars; |
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} |
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var result = baseRepeat(chars, nativeCeil(length / stringSize(chars))); |
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return hasUnicode(chars) |
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? castSlice(stringToArray(result), 0, length).join('') |
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: result.slice(0, length); |
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} |
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module.exports = createPadding;
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