Class ScriptLoader

Lua script loader with include support

Index

Constructors

Methods

addPathMapping clearCache interpolate load loadCommand loadScripts parseScript resolvePath

Constructors

constructor

new ScriptLoader(): ScriptLoader
Returns ScriptLoader
- Defined in commands/script-loader.ts:97

Methods

addPathMapping

addPathMapping(name, mappedPath): void
Add a script path mapping. Allows includes of the form "/utils.lua" where includes is a user defined path
Parameters
- name: string
  the name of the mapping. Note: do not include angle brackets
- mappedPath: string
  if a relative path is passed, it's relative to the caller of this function. Mapped paths are also accepted, e.g. "~/server/scripts/lua" or "/includes"
Returns void
- Defined in commands/script-loader.ts:111

clearCache

clearCache(): void
Clears the command cache

Returns void
- Defined in commands/script-loader.ts:464

interpolate

interpolate(file, processed?): string
Construct the final version of a file by interpolating its includes in dependency order.
Parameters
- file: ScriptMetadata
  the file whose content we want to construct
- Optional processed: Set<string>
  a cache to keep track of which includes have already been processed
Returns string
- Defined in commands/script-loader.ts:334

load

load(client, pathname, cache?): Promise<void>
Attach all lua scripts in a given directory to a client instance
Parameters
- client: RedisClient
  redis client to attach script to
- pathname: string
  the path to the directory containing the scripts
- Optional cache: Map<string, ScriptMetadata>
Returns Promise<void>
- Defined in commands/script-loader.ts:436

loadCommand

loadCommand(filename, cache?): Promise<Command>
Parameters
- filename: string
- Optional cache: Map<string, ScriptMetadata>
Returns Promise<Command>
- Defined in commands/script-loader.ts:357

loadScripts

loadScripts(dir?, cache?): Promise<Command[]>
Load redis lua scripts. The name of the script must have the following format:

cmdName-numKeys.lua

cmdName must be in camel case format.

For example: moveToFinish-3.lua
Parameters
- Optional dir: string
- Optional cache: Map<string, ScriptMetadata>
Returns Promise<Command[]>
- Defined in commands/script-loader.ts:391

parseScript

parseScript(filename, content, cache?): Promise<ScriptMetadata>
Parse a (top-level) lua script
Parameters
- filename: string
  the full path to the script
- content: string
  the content of the script
- Optional cache: Map<string, ScriptMetadata>
  cache
Returns Promise<ScriptMetadata>
- Defined in commands/script-loader.ts:306

resolvePath

resolvePath(scriptName, stack?): string
Resolve the script path considering path mappings
Parameters
- scriptName: string
  the name of the script
- stack: string[] = []
  the include stack, for nicer errors
Returns string
- Defined in commands/script-loader.ts:135

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