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; | |
exports.repeat = function (str, num) { | |
var result = ''; | |
for (var i = 0; i < num; i++) { result += str; } | |
return result; | |
}; | |
exports.arrayEqual = function (a, b) { | |
if (a.length !== b.length) { return false; } | |
for (var i = 0; i < a.length; i++) { | |
if (a[i] !== b[i]) { return false; } | |
} | |
return true; | |
}; | |
exports.trimChars = function (str, chars) { | |
var start = 0; | |
var end = str.length - 1; | |
while (chars.indexOf(str.charAt(start)) >= 0) { start++; } | |
while (chars.indexOf(str.charAt(end)) >= 0) { end--; } | |
return str.slice(start, end + 1); | |
}; | |
exports.capitalize = function (str) { | |
return str.charAt(0).toUpperCase() + str.slice(1); | |
}; | |
exports.arrayUnion = function () { | |
var result = []; | |
for (var i = 0, values = {}; i < arguments.length; i++) { | |
var arr = arguments[i]; | |
for (var j = 0; j < arr.length; j++) { | |
if (!values[arr[j]]) { | |
values[arr[j]] = true; | |
result.push(arr[j]); | |
} | |
} | |
} | |
return result; | |
}; | |
function has(obj, key) { | |
return Object.prototype.hasOwnProperty.call(obj, key); | |
} | |
exports.has = has; | |
exports.extend = function (dest, src) { | |
for (var i in src) { | |
if (has(src, i)) { dest[i] = src[i]; } | |
} | |
}; | |
exports.trimEnd = function (str) { | |
return str.replace(/\s+$/g, ''); | |
}; | |