buffer: don't predefine error

PR-URL: https://github.com/nodejs/node/pull/17021
Fixes: https://github.com/nodejs/node/issues/16994
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
This commit is contained in:
buji 2017-11-14 19:41:46 +08:00 committed by Anna Henningsen
parent 66e2751e0a
commit 6244070c48
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@ -447,14 +447,12 @@ Buffer.isEncoding = function isEncoding(encoding) {
};
Buffer[kIsEncodingSymbol] = Buffer.isEncoding;
const kConcatErr = new errors.TypeError(
'ERR_INVALID_ARG_TYPE', 'list', ['Array', 'Buffer', 'Uint8Array']
);
Buffer.concat = function concat(list, length) {
var i;
if (!Array.isArray(list))
throw kConcatErr;
throw new errors.TypeError(
'ERR_INVALID_ARG_TYPE', 'list', ['Array', 'Buffer', 'Uint8Array']
);
if (list.length === 0)
return new FastBuffer();
@ -472,7 +470,9 @@ Buffer.concat = function concat(list, length) {
for (i = 0; i < list.length; i++) {
var buf = list[i];
if (!isUint8Array(buf))
throw kConcatErr;
throw new errors.TypeError(
'ERR_INVALID_ARG_TYPE', 'list', ['Array', 'Buffer', 'Uint8Array']
);
_copy(buf, buffer, pos);
pos += buf.length;
}