sgauthier
6e64e138e2
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44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
'use strict'
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var assert = require('assert')
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function _interopDefaultLegacy(e) {
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return e && typeof e === 'object' && 'default' in e ? e : {default: e}
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}
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var assert__default = /*#__PURE__*/ _interopDefaultLegacy(assert)
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function sliceChunks(chunks, token) {
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var startIndex = token.start._index
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var startBufferIndex = token.start._bufferIndex
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var endIndex = token.end._index
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var endBufferIndex = token.end._bufferIndex
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var view
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if (startIndex === endIndex) {
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assert__default['default'](
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endBufferIndex > -1,
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'expected non-negative end buffer index'
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)
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assert__default['default'](
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startBufferIndex > -1,
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'expected non-negative start buffer index'
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)
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view = [chunks[startIndex].slice(startBufferIndex, endBufferIndex)]
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} else {
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view = chunks.slice(startIndex, endIndex)
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if (startBufferIndex > -1) {
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view[0] = view[0].slice(startBufferIndex)
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}
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if (endBufferIndex > 0) {
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view.push(chunks[endIndex].slice(0, endBufferIndex))
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}
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}
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return view
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}
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module.exports = sliceChunks
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