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Merge pull request #136 from bobrik/callback-fixes

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added ability to pass undefined instead of callback
This commit is contained in:
Matt Ranney
2011-11-14 22:15:36 -08:00
parent 90aa21936c 0c1c8cab83
commit dfd4c51b79
2 changed files with 20 additions and 4 deletions
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10
index.js
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@@ -551,7 +551,7 @@ function Command(command, args, sub_command, callback) {
}
RedisClient.prototype.send_command = function (command, args, callback) {
var arg, this_args, command_obj, i, il, elem_count, stream = this.stream, buffer_args, command_str = "", buffered_writes = 0;
var arg, this_args, command_obj, i, il, elem_count, stream = this.stream, buffer_args, command_str = "", buffered_writes = 0, last_arg_type;
if (typeof command !== "string") {
throw new Error("First argument to send_command must be the command name string, not " + typeof command);
@@ -568,9 +568,11 @@ RedisClient.prototype.send_command = function (command, args, callback) {
// send_command(command, [arg1, arg2, cb]);
// client.command(arg1, arg2); (callback is optional)
// send_command(command, [arg1, arg2]);
if (typeof args[args.length - 1] === "function") {
callback = args[args.length - 1];
args.length -= 1;
// client.command(arg1, arg2, undefined); (callback is undefined)
// send_command(command, [arg1, arg2, undefined]);
last_arg_type = typeof args[args.length - 1];
if (last_arg_type === "function" || last_arg_type === "undefined") {
callback = args.pop();
}
} else {
throw new Error("send_command: last argument must be a callback or undefined");