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37 lines
1.2 KiB
37 lines
1.2 KiB
'use strict' |
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const stream = require('stream') |
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const check = require('check-types') |
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const parse = require('./parse') |
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module.exports = unpipe |
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/** |
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* Public function `unpipe`. |
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* |
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* Returns a writeable stream that can be passed to stream.pipe, then parses JSON |
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* data read from the stream. If there are no errors, the callback is invoked with |
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* the result as the second argument. If errors occur, the first error is passed to |
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* the callback as the first argument. |
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* |
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* @param callback: Function that will be called after parsing is complete. |
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* |
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* @option reviver: Transformation function, invoked depth-first. |
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* |
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* @option discard: The number of characters to process before discarding them |
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* to save memory. The default value is `1048576`. |
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* |
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* @option yieldRate: The number of data items to process per timeslice, |
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* default is 16384. |
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**/ |
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function unpipe (callback, options) { |
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check.assert.function(callback, 'Invalid callback argument') |
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const jsonstream = new stream.PassThrough() |
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parse(jsonstream, Object.assign({}, options, { ndjson: false })) |
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.then(data => callback(null, data)) |
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.catch(error => callback(error)) |
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return jsonstream |
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}
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