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Push — master ( 1769fa...d9ce30 )
by Rafael S.
03:30
created

fix-riff-tag.js ➔ fixRIFFTag   A

Complexity

Conditions 4

Size

Total Lines 10
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 7
dl 0
loc 10
rs 10
c 0
b 0
f 0
cc 4
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/*
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 * Copyright (c) 2017-2019 Rafael da Silva Rocha.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 */
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/**
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 * @fileoverview The fixRIFFTag function.
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 * @see https://github.com/rochars/wavefile
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 */
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/**
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 * Fix a RIFF tag format if possible, throw an error otherwise.
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 * @param {string} tag The tag name.
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 * @return {string} The tag name in proper fourCC format.
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 */
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export default function fixRIFFTag(tag) {
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  if (tag.constructor !== String) {
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    throw new Error('Invalid tag name.');
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  } else if (tag.length < 4) {
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    for (let i = 0, len = 4 - tag.length; i < len; i++) {
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      tag += ' ';
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    }
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  }
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  return tag;
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}
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