hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
26 lines
541 B
JavaScript
26 lines
541 B
JavaScript
const fs = require('fs')
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class FeatureWriterStream {
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constructor (file) {
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this.file = file
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this.stream = fs.createWriteStream(file)
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this.stream.write('{"type":"FeatureCollection","features":[')
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this.numFeatures = 0
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}
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add (stringifiedFeature) {
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if (this.numFeatures > 0) {
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this.stream.write(',')
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}
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this.stream.write(stringifiedFeature)
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this.numFeatures++
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}
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end (cb) {
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console.log(`Closing out file ${this.file}`)
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this.stream.end(']}', cb)
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}
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}
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module.exports = FeatureWriterStream
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