window.ENTITIES={'/api/snippets/javascript/javascript%20-%20parse%20file%20size%20to%20bytes%20(input%20in%3a%20b%2c%20kb%2c%20mb%2c%20gb%2c%20tb%2c%20pb)':[{"result":true,"message":null,"batch":{"type":"javascript","name":"javascript - parse file size to bytes (input in: b, kb, mb, gb, tb, pb)","items":[{"id":"Ddkq31","type":"javascript","name":"JavaScript - parse file size to bytes (input in: B, KB, MB, GB, TB, PB)","content":"// ONLINE-RUNNER:browser;\n\nconst EXPRESSION = /^\\s*(\\d+(?:\\.\\d+)?)\\s?(b|kb|mb|gb|tb|pb|bytes?|kilobytes?|megabytes?|gigabytes?|terabytes?|petabytes?)\\s*$/i;\n\nconst POWERS = {\n//  short                 long                         alias\n    b:  1,                bytes:     1,                byte:     1,\n    kb: 1024,             kilobytes: 1024,             kilobyte: 1024,\n    mb: 1048576,          megabytes: 1048576,          megabyte: 1048576,\n    gb: 1073741824,       gigabytes: 1073741824,       gigabyte: 1073741824,\n    tb: 1099511627776,    terabytes: 1099511627776,    terabyte: 1099511627776,\n    pb: 1125899906842624, petabytes: 1125899906842624, petabyte: 1125899906842624\n};\n\nconst findPower = (unit) => {\n    const key = unit.toLowerCase();\n    return POWERS[key];\n};\n\nconst parseSize = (text) => {\n    const match = EXPRESSION.exec(text);\n    if (match) {\n        const value = parseFloat(match[1]);\n        const power = findPower(match[2]);\n        return Math.round(value * power);\n    }\n    return NaN;\n};\n\n\n// Usage example:\n                                           // IN BYTES:\n\nconsole.log(parseSize('10.5KB'));          // 10752\nconsole.log(parseSize('10.5MB'));          // 11010048\n\nconsole.log(parseSize('10.5 kilobytes'));  // 10752\nconsole.log(parseSize('10.5 megabytes'));  // 11010048\n\n\n// Alternatives:\n//\n//     1. https://www.npmjs.com/package/bytes   (https://github.com/visionmedia/bytes.js)\n\n\n// See also:\n//\n//     1. https://dirask.com/snippets/JavaScript-format-size-in-bytes-to-human-readable-KB-MB-GB-TB-PB-jmLNQp\n//     2. https://dirask.com/snippets/JavaScript-format-size-in-bytes-to-human-readable-KB-MB-GB-TB-PB-jvJOXj\n//     3. https://dirask.com/snippets/JavaScript-format-size-in-bytes-to-human-readable-KB-MB-GB-TB-PB-pJa8gD","source":"","author":{"id":"V0JqLo","name":"Inayah-Alexander","avatar":"1629131792850__V0JqLo__w40px_h40px.jpg","points":767,"role":"BASIC"},"creationTime":1676625742000,"updateTime":1710983628000,"removalTime":null}]}}]};