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neo-blessed
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improve backward compat with node <=0.6.0.

This commit is contained in:
Christopher Jeffrey 2015-07-30 23:41:20 -07:00
parent 29f70f11f9
commit bdb3f098ca
1 changed files with 15 additions and 14 deletions
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29
lib/helpers.js
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@ -157,30 +157,34 @@ helpers.__defineGetter__('Element', function() {
return helpers._element;
});
// NOTE: Leave these here for now if we
// want to potentially support node <=v0.6.0.
helpers.isTTY = function(stream) {
if (stream.setRawMode || stream.isTTY) {
if (stream.isTTY) {
return true;
}
if (stream === process.stdin) {
return true;
if (stream.fd != null) {
return require('tty').isatty(stream.fd);
}
// if (stream.fd != null) {
// return require('tty').isatty(stream.fd);
// }
return false;
};
helpers.hasRaw = function(stream, value) {
return !!stream.setRawMode
|| (stream === process.stdin)
|| !!(stream._handle && stream._handle.setRawMode && stream.readable);
};
helpers.setRawMode = function(stream, value) {
if (stream.setRawMode) {
return stream.setRawMode(value);
}
if (stream === process.stdin) {
helpers._isRaw = value;
stream._blessedRaw = value;
return require('tty').setRawMode(value);
}
if (stream._handle && stream._handle.setRawMode && stream.readable) {
stream._blessedRaw = value;
return stream._handle.setRawMode(value);
}
throw new Error('Could not set raw mode.');
};
@ -188,8 +192,5 @@ helpers.isRaw = function(stream) {
if (stream.isRaw != null) {
return stream.isRaw;
}
if (stream === process.stdin) {
return !!helpers._isRaw;
}
throw new Error('Could not check raw mode.');
return !!stream._blessedRaw;
};