| 1 | var Buffer = require('safe-buffer').Buffer
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| 2 |
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| 3 | module.exports = function (thing, encoding, name) {
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| 4 | if (Buffer.isBuffer(thing)) {
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| 5 | return thing
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| 6 | } else if (typeof thing === 'string') {
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| 7 | return Buffer.from(thing, encoding)
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| 8 | } else if (ArrayBuffer.isView(thing)) {
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| 9 | return Buffer.from(thing.buffer)
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| 10 | } else {
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| 11 | throw new TypeError(name + ' must be a string, a Buffer, a typed array or a DataView')
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| 12 | }
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| 13 | }
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