42 lines
1016 B
JavaScript
42 lines
1016 B
JavaScript
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module.exports = isTypedArray
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isTypedArray.strict = isStrictTypedArray
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isTypedArray.loose = isLooseTypedArray
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var toString = Object.prototype.toString
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var names = {
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'[object Int8Array]': true
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, '[object Int16Array]': true
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, '[object Int32Array]': true
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, '[object Uint8Array]': true
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, '[object Uint8ClampedArray]': true
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, '[object Uint16Array]': true
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, '[object Uint32Array]': true
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, '[object Float32Array]': true
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, '[object Float64Array]': true
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}
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function isTypedArray(arr) {
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return (
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isStrictTypedArray(arr)
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|| isLooseTypedArray(arr)
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)
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}
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function isStrictTypedArray(arr) {
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return (
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arr instanceof Int8Array
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|| arr instanceof Int16Array
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|| arr instanceof Int32Array
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|| arr instanceof Uint8Array
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|| arr instanceof Uint8ClampedArray
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|| arr instanceof Uint16Array
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|| arr instanceof Uint32Array
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|| arr instanceof Float32Array
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|| arr instanceof Float64Array
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)
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}
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function isLooseTypedArray(arr) {
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return names[toString.call(arr)]
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}
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