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@@ -70,13 +70,22 @@ function getEncoding(buf) {
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function checkIfText(buf) {
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let spaceCount = 0;
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+ let crCount = 0;
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+ let lfCount = 0;
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for (let i = 0; i < buf.length; i++) {
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if (buf[i] == 32)
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spaceCount++;
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+ if (buf[i] == 13)
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+ crCount++;
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+ if (buf[i] == 10)
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+ lfCount++;
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}
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- const freq = spaceCount/(buf.length + 1);
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- return (freq > 0.1);
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+ const spaceFreq = spaceCount/(buf.length + 1);
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+ const crFreq = crCount/(buf.length + 1);
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+ const lfFreq = lfCount/(buf.length + 1);
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+
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+ return (spaceFreq > 0.1 || crFreq > 0.03 || lfFreq > 0.03);
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}
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module.exports = {
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