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