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24 lines
562 B
JavaScript
24 lines
562 B
JavaScript
/**
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Definitions of string utility functions.
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@license MIT. Copyright (c) 2015 James Devlin / FluentDesk.
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@module string.js
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*/
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/**
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Determine if the string is null, empty, or whitespace.
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See: http://stackoverflow.com/a/32800728/4942583
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@method isNullOrWhitespace
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*/
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String.isNullOrWhitespace = function( input ) {
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return !input || !input.trim();
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};
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String.prototype.endsWith = function(suffix) {
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return this.indexOf(suffix, this.length - suffix.length) !== -1;
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};
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String.is = function( val ) {
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return typeof val === 'string' || val instanceof String;
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};
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