| 'use strict'; |
| var rx = require('rx-lite-aggregates'); |
| |
| function normalizeKeypressEvents(value, key) { |
| return {value: value, key: key || {}}; |
| } |
| |
| module.exports = function (rl) { |
| var keypress = rx.Observable.fromEvent(rl.input, 'keypress', normalizeKeypressEvents) |
| .filter(function (e) { |
| // Ignore `enter` key. On the readline, we only care about the `line` event. |
| return e.key.name !== 'enter' && e.key.name !== 'return'; |
| }); |
| |
| return { |
| line: rx.Observable.fromEvent(rl, 'line'), |
| keypress: keypress, |
| |
| normalizedUpKey: keypress.filter(function (e) { |
| return e.key.name === 'up' || e.key.name === 'k' || (e.key.name === 'p' && e.key.ctrl); |
| }).share(), |
| |
| normalizedDownKey: keypress.filter(function (e) { |
| return e.key.name === 'down' || e.key.name === 'j' || (e.key.name === 'n' && e.key.ctrl); |
| }).share(), |
| |
| numberKey: keypress.filter(function (e) { |
| return e.value && '123456789'.indexOf(e.value) >= 0; |
| }).map(function (e) { |
| return Number(e.value); |
| }).share(), |
| |
| spaceKey: keypress.filter(function (e) { |
| return e.key && e.key.name === 'space'; |
| }).share(), |
| |
| aKey: keypress.filter(function (e) { |
| return e.key && e.key.name === 'a'; |
| }).share(), |
| |
| iKey: keypress.filter(function (e) { |
| return e.key && e.key.name === 'i'; |
| }).share() |
| }; |
| }; |