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20 lines
608 B
20 lines
608 B
var Symbol = require('./_Symbol'), |
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isArguments = require('./isArguments'), |
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isArray = require('./isArray'); |
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/** Built-in value references. */ |
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var spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined; |
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/** |
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* Checks if `value` is a flattenable `arguments` object or array. |
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* |
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* @private |
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* @param {*} value The value to check. |
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* @returns {boolean} Returns `true` if `value` is flattenable, else `false`. |
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*/ |
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function isFlattenable(value) { |
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return isArray(value) || isArguments(value) || |
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!!(spreadableSymbol && value && value[spreadableSymbol]); |
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} |
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module.exports = isFlattenable;
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