How to use the redis-commands.getKeyIndexes function in redis-commands
To help you get started, we’ve selected a few redis-commands examples, based on popular ways it is used in public projects.
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NodeRedis / node_redis / index.js View on Github 
}
} else if (typeof args[i] === 'undefined') {
this.warn(
'Deprecated: The ' + command.toUpperCase() + ' command contains a "undefined" argument.\n' +
'This is converted to a "undefined" string now and will return an error from v.3.0 on.\n' +
'Please handle this in your code to make sure everything works as you intended it to.'
);
args_copy[i] = 'undefined'; // Backwards compatible :/
} else {
// Seems like numbers are converted fast using string concatenation
args_copy[i] = '' + args[i];
}
}
if (this.options.prefix) {
prefix_keys = commands.getKeyIndexes(command, args_copy);
for (i = prefix_keys.pop(); i !== undefined; i = prefix_keys.pop()) {
args_copy[i] = this.options.prefix + args_copy[i];
}
}
if (this.options.rename_commands && this.options.rename_commands[command]) {
command = this.options.rename_commands[command];
}
// Always use 'Multi bulk commands', but if passed any Buffer args, then do multiple writes, one for each arg.
// This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer.
command_str = '*' + (len + 1) + '\r\n$' + command.length + '\r\n' + command + '\r\n';
if (big_data === false) { // Build up a string and send entire command in one write
for (i = 0; i < len; i += 1) {
arg = args_copy[i];
command_str += '$' + Buffer.byteLength(arg) + '\r\n' + arg + '\r\n';
}}
} else if (typeof args[i] === 'undefined') {
this.warn(
'Deprecated: The ' + command.toUpperCase() + ' command contains a "undefined" argument.\n' +
'This is converted to a "undefined" string now and will return an error from v.3.0 on.\n' +
'Please handle this in your code to make sure everything works as you intended it to.'
);
args_copy[i] = 'undefined'; // Backwards compatible :/
} else {
// Seems like numbers are converted fast using string concatenation
args_copy[i] = '' + args[i];
}
}
if (this.options.prefix) {
prefix_keys = commands.getKeyIndexes(command, args_copy);
for (i = prefix_keys.pop(); i !== undefined; i = prefix_keys.pop()) {
args_copy[i] = this.options.prefix + args_copy[i];
}
}
if (this.options.rename_commands && this.options.rename_commands[command]) {
command = this.options.rename_commands[command];
}
// Always use 'Multi bulk commands', but if passed any Buffer args, then do multiple writes, one for each arg.
// This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer.
command_str = '*' + (len + 1) + '\r\n$' + command.length + '\r\n' + command + '\r\n';
if (big_data === false) { // Build up a string and send entire command in one write
for (i = 0; i < len; i += 1) {
arg = args_copy[i];
command_str += '$' + Buffer.byteLength(arg) + '\r\n' + arg + '\r\n';
}}
} else if (typeof args[i] === 'undefined') {
this.warn(
'Deprecated: The ' + command.toUpperCase() + ' command contains a "undefined" argument.\n' +
'This is converted to a "undefined" string now and will return an error from v.3.0 on.\n' +
'Please handle this in your code to make sure everything works as you intended it to.'
);
args_copy[i] = 'undefined'; // Backwards compatible :/
} else {
// Seems like numbers are converted fast using string concatenation
args_copy[i] = '' + args[i];
}
}
if (this.options.prefix) {
prefix_keys = commands.getKeyIndexes(command, args_copy);
for (i = prefix_keys.pop(); i !== undefined; i = prefix_keys.pop()) {
args_copy[i] = this.options.prefix + args_copy[i];
}
}
if (this.options.rename_commands && this.options.rename_commands[command]) {
command = this.options.rename_commands[command];
}
// Always use 'Multi bulk commands', but if passed any Buffer args, then do multiple writes, one for each arg.
// This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer.
command_str = '*' + (len + 1) + '\r\n$' + command.length + '\r\n' + command + '\r\n';
if (big_data === false) { // Build up a string and send entire command in one write
for (i = 0; i < len; i += 1) {
arg = args_copy[i];
command_str += '$' + Buffer.byteLength(arg) + '\r\n' + arg + '\r\n';
}args_copy[i] = '' + args[i];
}
}
args = null;
if (command === 'subscribe' || command === 'psubscribe' || command === 'unsubscribe' || command === 'punsubscribe') {
this.pub_sub_command(command_obj); // TODO: This has to be moved to the result handler
} else if (command === 'monitor') {
this.monitoring = true;
} else if (command === 'quit') {
this.closing = true;
}
this.command_queue.push(command_obj);
if (this.options.prefix) {
prefix_keys = commands.getKeyIndexes(command, args_copy);
for (i = prefix_keys.pop(); i !== undefined; i = prefix_keys.pop()) {
args_copy[i] = this.options.prefix + args_copy[i];
}
}
if (typeof this.options.rename_commands !== 'undefined' && this.options.rename_commands[command]) {
command = this.options.rename_commands[command];
}
// Always use 'Multi bulk commands', but if passed any Buffer args, then do multiple writes, one for each arg.
// This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer.
command_str = '*' + (len + 1) + '\r\n$' + command.length + '\r\n' + command + '\r\n';
if (big_data === false) { // Build up a string and send entire command in one write
for (i = 0; i < len; i += 1) {
arg = args_copy[i];
command_str += '$' + Buffer.byteLength(arg) + '\r\n' + arg + '\r\n';
}}
} else if (typeof args[i] === 'undefined') {
this.warn(
'Deprecated: The ' + command.toUpperCase() + ' command contains a "undefined" argument.\n' +
'This is converted to a "undefined" string now and will return an error from v.3.0 on.\n' +
'Please handle this in your code to make sure everything works as you intended it to.'
);
args_copy[i] = 'undefined'; // Backwards compatible :/
} else {
// Seems like numbers are converted fast using string concatenation
args_copy[i] = '' + args[i];
}
}
if (this.options.prefix) {
prefix_keys = commands.getKeyIndexes(command, args_copy);
for (i = prefix_keys.pop(); i !== undefined; i = prefix_keys.pop()) {
args_copy[i] = this.options.prefix + args_copy[i];
}
}
if (typeof this.options.rename_commands !== 'undefined' && this.options.rename_commands[command]) {
command = this.options.rename_commands[command];
}
// Always use 'Multi bulk commands', but if passed any Buffer args, then do multiple writes, one for each arg.
// This means that using Buffers in commands is going to be slower, so use Strings if you don't already have a Buffer.
command_str = '*' + (len + 1) + '\r\n$' + command.length + '\r\n' + command + '\r\n';
if (big_data === false) { // Build up a string and send entire command in one write
for (i = 0; i < len; i += 1) {
arg = args_copy[i];
command_str += '$' + Buffer.byteLength(arg) + '\r\n' + arg + '\r\n';
}function formatMonitor(time, args) {
args = args || []
const command = args[0] ? args.shift().toUpperCase() : ''
if (command) {
commands.getKeyIndexes(command.toLowerCase(), args).forEach(index => {
args[index] = `<span class="command-key">${args[index]}</span>`
})
}
return `<div class="monitor">
<span class="time">${time}</span>
<span class="command">
<span class="command-name">${command}</span>
<span class="command args">${args.join(' ')}</span>
</span>
</div>`
}private _iterateKeys(
transform: Function = key => key
): Array {
if (typeof this.keys === "undefined") {
this.keys = [];
if (commands.exists(this.name)) {
const keyIndexes = commands.getKeyIndexes(this.name, this.args);
for (const index of keyIndexes) {
this.args[index] = transform(this.args[index]);
this.keys.push(this.args[index] as string | Buffer);
}
}
}
return this.keys;
}Command.prototype._iterateKeys = function (transform) {
if (typeof this._keys === 'undefined') {
if (typeof transform !== 'function') {
transform = function (key) {
return key;
};
}
this._keys = [];
if (commands.exists(this.name)) {
var keyIndexes = commands.getKeyIndexes(this.name, this.args);
for (var i = 0; i < keyIndexes.length; i++) {
var index = keyIndexes[i];
this.args[index] = transform(this.args[index]);
this._keys.push(this.args[index]);
}
}
}
return this._keys;
};
