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