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19 lines
420 B
JavaScript
19 lines
420 B
JavaScript
/* @flow */
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"use strict"
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const isWhitespace = require("./isWhitespace")
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/**
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* Returns a Boolean indicating whether the the input string is only whitespace.
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*/
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module.exports = function (input/*: string*/)/*: boolean*/ {
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let isOnlyWhitespace = true
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for (let i = 0, l = input.length; i < l; i++) {
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if (!isWhitespace(input[i])) {
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isOnlyWhitespace = false
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break
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}
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}
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return isOnlyWhitespace
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}
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