'use strict'
/*!
* Canvas - PDFStream
*/
const { Readable } = require('stream')
function noop () {}
class PDFStream extends Readable {
constructor (canvas, options) {
super()
this.canvas = canvas
this.options = options
}
_read () {
// For now we're not controlling the c++ code's data emission, so we only
// call canvas.streamPDFSync once and let it emit data at will.
this._read = noop
this.canvas.streamPDFSync((err, chunk, len) => {
if (err) {
this.emit('error', err)
} else if (len) {
this.push(chunk)
} else {
this.push(null)
}
}, this.options)
}
}
module.exports = PDFStream