50 lines
819 B
JavaScript
50 lines
819 B
JavaScript
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"use strict";
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var ensureString = require("type/string/ensure")
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, objHasOwnProperty = Object.prototype.hasOwnProperty;
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var capitalLetters = {
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A: true,
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B: true,
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C: true,
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D: true,
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E: true,
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F: true,
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G: true,
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H: true,
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I: true,
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J: true,
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K: true,
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L: true,
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M: true,
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N: true,
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O: true,
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P: true,
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Q: true,
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R: true,
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S: true,
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T: true,
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U: true,
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V: true,
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W: true,
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X: true,
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Y: true,
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Z: true
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};
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module.exports = function () {
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var input = ensureString(this);
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if (!input) return input;
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var outputLetters = [];
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for (var index = 0, letter; (letter = input[index]); ++index) {
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if (objHasOwnProperty.call(capitalLetters, letter)) {
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if (index) outputLetters.push("-");
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outputLetters.push(letter.toLowerCase());
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} else {
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outputLetters.push(letter);
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}
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}
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return outputLetters.join("");
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};
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