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