| 1 | // TODO https://twitter.com/mbostock/status/702737065121742848
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| 2 | export function isarray(value) {
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| 3 | return Array.isArray(value)
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| 4 | || value instanceof Int8Array
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| 5 | || value instanceof Int16Array
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| 6 | || value instanceof Int32Array
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| 7 | || value instanceof Uint8Array
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| 8 | || value instanceof Uint8ClampedArray
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| 9 | || value instanceof Uint16Array
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| 10 | || value instanceof Uint32Array
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| 11 | || value instanceof Float32Array
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| 12 | || value instanceof Float64Array;
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| 13 | }
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| 14 |
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| 15 | // Non-integer keys in arrays, e.g. [1, 2, 0.5: "value"].
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| 16 | export function isindex(key) {
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| 17 | return key === (key | 0) + "";
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| 18 | }
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