Commit 0c77c866d3c25d684c3175896240810a5895a545
1 parent
13b04dfe0d
Exists in
master
ESLINT on command-parsers/command
Showing 1 changed file with 10 additions and 12 deletions Inline Diff
lib/command-parser.js
| 1 | "use strict"; | ||
| 2 | |||
| 3 | const commands = require('./command-group'); | 1 | const commands = require('./command-group'); |
| 4 | 2 | ||
| 5 | function splitToken(msg) { | 3 | function splitToken(msg) { |
| 6 | if (typeof msg !== 'string') { | 4 | if (typeof msg !== 'string') { |
| 7 | return; | 5 | return null; |
| 8 | } | 6 | } |
| 9 | 7 | ||
| 10 | if (!msg.trim()) { | 8 | if (!msg.trim()) { |
| 11 | return; | 9 | return null; |
| 12 | } | 10 | } |
| 13 | 11 | ||
| 14 | const delimiters = msg.trim().match(/^\w+(\W)/); | 12 | const delimiters = msg.trim().match(/^\w+(\W)/); |
| 15 | const delimiter = delimiters && delimiters[1] ? delimiters[1] : null; | 13 | const delimiter = delimiters && delimiters[1] ? delimiters[1] : null; |
| 16 | 14 | ||
| 17 | const delimiterRegex = delimiter ? new RegExp('\\' + delimiter + '+') : new RegExp('[\\s\\.]+'); | 15 | const delimiterRegex = delimiter ? new RegExp(`\\${delimiter}+`) : new RegExp('[\\s\\.]+'); |
| 18 | return msg.trim().split(delimiterRegex); | 16 | return msg.trim().split(delimiterRegex); |
| 19 | } | 17 | } |
| 20 | 18 | ||
| 21 | function _makeSureAsTokensArray(msgOrTokens) { | 19 | function makeSureAsTokensArray(msgOrTokens) { |
| 22 | if (typeof msgOrTokens === 'string') { | 20 | if (typeof msgOrTokens === 'string') { |
| 23 | return splitToken(msgOrTokens); | 21 | return splitToken(msgOrTokens); |
| 24 | } | 22 | } |
| 25 | 23 | ||
| 26 | return msgOrTokens; | 24 | return msgOrTokens; |
| 27 | } | 25 | } |
| 28 | 26 | ||
| 29 | function extractCommand(msgOrTokens) { | 27 | function extractCommand(msgOrTokens) { |
| 30 | msgOrTokens = _makeSureAsTokensArray(msgOrTokens); | 28 | const msgOrTokensArray = makeSureAsTokensArray(msgOrTokens); |
| 31 | 29 | ||
| 32 | if (!msgOrTokens) return; | 30 | if (!msgOrTokensArray) return null; |
| 33 | return msgOrTokens[0]; | 31 | return msgOrTokensArray[0]; |
| 34 | } | 32 | } |
| 35 | 33 | ||
| 36 | function extractCommandGroup(msgOrTokens) { | 34 | function extractCommandGroup(msgOrTokens) { |
| 37 | const cmd = extractCommand(msgOrTokens); | 35 | const cmd = extractCommand(msgOrTokens); |
| 38 | if (!cmd) return; | 36 | if (!cmd) return null; |
| 39 | return commands[ cmd.toLowerCase() ]; | 37 | return commands[cmd.toLowerCase()]; |
| 40 | } | 38 | } |
| 41 | 39 | ||
| 42 | exports.splitToken = splitToken; | 40 | exports.splitToken = splitToken; |
| 43 | exports.extractCommand = extractCommand; | 41 | exports.extractCommand = extractCommand; |
| 44 | exports.extractCommandGroup = extractCommandGroup; |