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index.js
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'use strict'
const EventEmitter = require('events')
const lineReader = new EventEmitter()
const xevEmitter = new EventEmitter()
function init (readable) {
let lineText = ""
readable.on('readable', () => {
const chunk = readable.read()
if (chunk == null) {
return
}
const chunkSplit = chunk.toString().split("\n")
for (let i = 0; i < chunkSplit.length; i++) {
lineText += chunkSplit[i]
lineReader.emit('line', lineText)
lineText = ""
}
lineText += chunkSplit[chunkSplit.length - 1]
})
let eventText = ""
let eventName = null
lineReader.on('line', (text) => {
if (text === "") {
eventText = ""
eventName = null
return
}
if (eventText === "") {
eventName = text.slice(0, text.indexOf(' ')).trim()
}
const match = /\(keysym 0x[^,]*, (.*)\)/.exec(text)
if (match) {
xevEmitter.emit(eventName, match[1])
}
eventText += text
return
})
return xevEmitter
}
module.exports = init