window.ENTITIES={'/api/snippets/javascript/javascript%20-%20decode%20morse%20code%20(international%20itu%20standard)':[{"result":true,"message":null,"batch":{"type":"javascript","name":"javascript - decode morse code (international itu standard)","items":[{"id":"jm5kAj","type":"javascript","name":"JavaScript - decode Morse Code (International ITU standard)","content":"// ONLINE-RUNNER:browser;\n\n// Note: to find more optimal solution go to https://dirask.com/snippets/JavaScript-decode-Morse-Code-International-ITU-standard-1e5741\n\nvar CODES = { \n    // Latin alphabet\n    '.-':      'a',\n    '-...':    'b',\n    '-.-.':    'c',\n    '-..':     'd',\n    '.':       'e',\n    '..-.':    'f',\n    '--.':     'g',\n    '....':    'h',\n    '..':      'i',\n    '.---':    'j',\n    '-.-':     'k',\n    '.-..':    'l',\n    '--':      'm',\n    '-.':      'n',\n    '---':     'o',\n    '.--.':    'p',\n    '--.-':    'q',\n    '.-.':     'r',\n    '...':     's',\n    '-':       't',\n    '..-':     'u',\n    '...-':    'v',\n    '.--':     'w',\n    '-..-':    'x',\n    '-.--':    'y',\n    '--..':    'z',\n    // Arabic numerals\n    '.----':   '1',\n    '..---':   '2',\n    '...--':   '3',\n    '....-':   '4',\n    '.....':   '5',\n    '-....':   '6',\n    '--...':   '7',\n    '---..':   '8',\n    '----.':   '9',\n    '-----':   '0',\n    // Punctuation marks and symbols\n    '.-.-.-':  '.',\n    '--..--':  ',',\n    '.----.':  \"'\",\n    '.-..-.':  '\"',\n    '..--.-':  '_',  // Nonstandard punctuation\n    '---...':  ':',\n    '-.-.-.':  ';',  // Nonstandard punctuation\n    '..--..':  '?',\n    '-.-.--':  '!',  // Nonstandard punctuation\n    '-....-':  '-',\n    '.-.-.':   '+',\n    '-..-.':   '/',\n    '-.--.':   '(',\n    '-.--.-':  ')',\n    '-...-':   '=',\n    '.--.-.':  '@',\n    '.-...':   '&',  // Nonstandard punctuation\n    '...-..-': '$'   // Nonstandard punctuation\n};\n\nvar LETTER_EXPRESSION = / /;\nvar WORD_EXPRESSION = / [ /] /;\n\nfunction decodeLetter(code) {\n    var letter = CODES[code];\n    if (letter == null) {\n        throw new Error('Indicated Morse Code is incorrect.');\n    }\n    return letter;\n}\n\nfunction decodeWord(code) {\n    return code\n        .split(LETTER_EXPRESSION)\n        .map(decodeLetter)\n        .join('');\n}\n\nfunction decodeMorse(code) {\n    return code\n        .split(WORD_EXPRESSION)\n        .map(decodeWord)\n        .join(' ');\n}\n\n\n\n// Usage example:\n\nvar code = '.... . .-.. .-.. ---   .-- --- .-. .-.. -..';  // OR:  '.... . .-.. .-.. --- / .-- --- .-. .-.. -..'\nvar text = decodeMorse(code);\n\nconsole.log(text);  // hello world\n\n\n\n// References:\n//\n//     1. https://en.wikipedia.org/wiki/Morse_code","source":"","author":{"id":"eaBBla","name":"FryerTuck","avatar":"1629139808762__eaBBla__w40px_h40px.jpg","points":649,"role":"BASIC"},"creationTime":1732416118000,"updateTime":1732574095000,"removalTime":null},{"id":"1e5741","type":"javascript","name":"JavaScript - decode Morse Code (International ITU standard)","content":"// ONLINE-RUNNER:browser;\n\nvar CODES = { \n    // Latin alphabet\n    '.-':      'a',\n    '-...':    'b',\n    '-.-.':    'c',\n    '-..':     'd',\n    '.':       'e',\n    '..-.':    'f',\n    '--.':     'g',\n    '....':    'h',\n    '..':      'i',\n    '.---':    'j',\n    '-.-':     'k',\n    '.-..':    'l',\n    '--':      'm',\n    '-.':      'n',\n    '---':     'o',\n    '.--.':    'p',\n    '--.-':    'q',\n    '.-.':     'r',\n    '...':     's',\n    '-':       't',\n    '..-':     'u',\n    '...-':    'v',\n    '.--':     'w',\n    '-..-':    'x',\n    '-.--':    'y',\n    '--..':    'z',\n    // Arabic numerals\n    '.----':   '1',\n    '..---':   '2',\n    '...--':   '3',\n    '....-':   '4',\n    '.....':   '5',\n    '-....':   '6',\n    '--...':   '7',\n    '---..':   '8',\n    '----.':   '9',\n    '-----':   '0',\n    // Punctuation marks and symbols\n    '.-.-.-':  '.',\n    '--..--':  ',',\n    '.----.':  \"'\",\n    '.-..-.':  '\"',\n    '..--.-':  '_',  // Nonstandard punctuation\n    '---...':  ':',\n    '-.-.-.':  ';',  // Nonstandard punctuation\n    '..--..':  '?',\n    '-.-.--':  '!',  // Nonstandard punctuation\n    '-....-':  '-',\n    '.-.-.':   '+',\n    '-..-.':   '/',\n    '-.--.':   '(',\n    '-.--.-':  ')',\n    '-...-':   '=',\n    '.--.-.':  '@',\n    '.-...':   '&',  // Nonstandard punctuation\n    '...-..-': '$'   // Nonstandard punctuation\n};\n\nfunction decodeLetter(code) {\n    var result = CODES[code];\n    if (result == null) {  // null or undefined\n        throw new Error('Indicated Morse Code is incorrect.');\n    }\n    return result;\n}\n\nfunction decodeMorse(code) {\n    var result = '';\n    if (code) {\n        var key = '';\n        for (var i = 0; i < code.length; ++i) {\n            var symbol = code[i];\n            if (symbol === ' ') {\n                result += decodeLetter(key);\n                key = '';\n                if (++i >= code.length) {\n                    break;\n                }\n                symbol = code[i];\n                if (symbol === ' ' || symbol === '/') {\n                    if (++i >= code.length) {\n                        break;\n                    }\n                    symbol = code[i];\n                    if (symbol === ' ') {\n                        result += ' ';\n                        continue;\n                    }\n                    throw new Error('Indicated Morse Code is incorrect.');\n                }\n            }\n            key += symbol;\n        }\n        result += decodeLetter(key);\n    }\n    return result;\n}\n\n\n\n// Usage example:\n\nvar code = '.... . .-.. .-.. ---   .-- --- .-. .-.. -..';\nvar text = decodeMorse(code);\n\nconsole.log(text);  // hello world\n\n\n\n// References:\n//\n//     1. https://en.wikipedia.org/wiki/Morse_code","source":"","author":{"id":"Ro42dD","name":"Creg","avatar":"1667335677213__Ro42dD__w40px_h40px.jpg","points":9600,"role":"ADMIN"},"creationTime":1732464877000,"updateTime":1732558802000,"removalTime":null}]}}]};