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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,18 @@ | ||
'use strict' | ||
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const Stream = require('stream') | ||
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module.exports = (stream) => { | ||
return ( | ||
stream instanceof Stream || | ||
(stream !== null && | ||
typeof stream === 'object' && | ||
!!stream.readable && | ||
typeof stream.pipe === 'function' && | ||
typeof stream.read === 'function' && | ||
typeof stream.readable === 'boolean' && | ||
typeof stream.readableObjectMode === 'boolean' && | ||
typeof stream.destroy === 'function' && | ||
typeof stream.destroyed === 'boolean') | ||
) | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,24 @@ | ||
'use strict' | ||
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const { EventEmitter } = require('events') | ||
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class Readable extends EventEmitter { | ||
pipe () {} | ||
read () {} | ||
destroy () {} | ||
get readable () { | ||
return true | ||
} | ||
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get readableObjectMode () { | ||
return false | ||
} | ||
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get destroyed () { | ||
return false | ||
} | ||
} | ||
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module.exports = { | ||
Readable | ||
} |