Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 244x 244x 243x 243x 243x 243x 243x 243x 243x 243x 243x 243x 243x 820x 820x 820x 814x 814x 814x 814x 814x 814x 814x 814x 11083x 11083x 814x 814x 11083x 11083x 11083x 11083x 11083x 10x 10x 11083x 2x 2x 2x 2x 2x 2x 11083x 812x 820x 820x 243x 243x 486x 243x 243x 243x 486x 243x 244x 244x 243x 243x 244x 2x 2x | 'use strict'; const { SafeStringIterator, Symbol, } = primordials; const { charLengthAt, CSI, emitKeys, } = require('internal/readline/utils'); const { kSawKeyPress, } = require('internal/readline/interface'); const { clearTimeout, setTimeout } = require('timers'); const { kEscape, } = CSI; const { StringDecoder } = require('string_decoder'); const KEYPRESS_DECODER = Symbol('keypress-decoder'); const ESCAPE_DECODER = Symbol('escape-decoder'); // GNU readline library - keyseq-timeout is 500ms (default) const ESCAPE_CODE_TIMEOUT = 500; /** * accepts a readable Stream instance and makes it emit "keypress" events */ function emitKeypressEvents(stream, iface = {}) { if (stream[KEYPRESS_DECODER]) return; stream[KEYPRESS_DECODER] = new StringDecoder('utf8'); stream[ESCAPE_DECODER] = emitKeys(stream); stream[ESCAPE_DECODER].next(); const triggerEscape = () => stream[ESCAPE_DECODER].next(''); const { escapeCodeTimeout = ESCAPE_CODE_TIMEOUT } = iface; let timeoutId; function onData(input) { if (stream.listenerCount('keypress') > 0) { const string = stream[KEYPRESS_DECODER].write(input); if (string) { clearTimeout(timeoutId); // This supports characters of length 2. iface[kSawKeyPress] = charLengthAt(string, 0) === string.length; iface.isCompletionEnabled = false; let length = 0; for (const character of new SafeStringIterator(string)) { length += character.length; if (length === string.length) { iface.isCompletionEnabled = true; } try { stream[ESCAPE_DECODER].next(character); // Escape letter at the tail position if (length === string.length && character === kEscape) { timeoutId = setTimeout(triggerEscape, escapeCodeTimeout); } } catch (err) { // If the generator throws (it could happen in the `keypress` // event), we need to restart it. stream[ESCAPE_DECODER] = emitKeys(stream); stream[ESCAPE_DECODER].next(); throw err; } } } } else { // Nobody's watching anyway stream.removeListener('data', onData); stream.on('newListener', onNewListener); } } function onNewListener(event) { if (event === 'keypress') { stream.on('data', onData); stream.removeListener('newListener', onNewListener); } } if (stream.listenerCount('keypress') > 0) { stream.on('data', onData); } else { stream.on('newListener', onNewListener); } } module.exports = emitKeypressEvents; |