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fs: add two new modes "as" and "as+" #18801

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SirR4T wants to merge 2 commits into from
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fs: add two new modes "as" and "as+" #18801

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bc65182
fs: support as and as+ flags in stringToFlags()
Feb 15, 2018
16537b9
fs: tests and docs for additional modes as and as+
Feb 15, 2018
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fs: support as and as+ flags in stringToFlags()
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Sarat Addepalli
Sarat Addepalli committed Feb 17, 2018
commit bc6518294f657a96aee9e8d6f52212383eb22423
4 changes: 4 additions & 0 deletions lib/internal/fs.js
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Expand Up @@ -223,10 +223,14 @@ function stringToFlags(flags) {
case 'a' : return O_APPEND | O_CREAT | O_WRONLY;
case 'ax' : // Fall through.
case 'xa' : return O_APPEND | O_CREAT | O_WRONLY | O_EXCL;
case 'as' : // Fall through.
case 'sa' : return O_APPEND | O_CREAT | O_WRONLY | O_SYNC;

case 'a+' : return O_APPEND | O_CREAT | O_RDWR;
case 'ax+': // Fall through.
case 'xa+': return O_APPEND | O_CREAT | O_RDWR | O_EXCL;
case 'as+': // Fall through.
case 'sa+': return O_APPEND | O_CREAT | O_RDWR | O_SYNC;
}

throw new errors.TypeError('ERR_INVALID_OPT_VALUE', 'flags', flags);
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