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Merge pull request #2147 from cdr/multi-plugin

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Asher 2020-10-09 11:02:25 -05:00 committed by GitHub
commit c6c293d53a
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1 changed files with 46 additions and 20 deletions
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62
src/node/plugin.ts
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@ -4,11 +4,15 @@ import * as path from "path"
import * as util from "util"
import { Args } from "./cli"
import { HttpServer } from "./http"
import { paths } from "./util"
/* eslint-disable @typescript-eslint/no-var-requires */
export type Activate = (httpServer: HttpServer, args: Args) => void
/**
* Plugins must implement this interface.
*/
export interface Plugin {
activate: Activate
}
@ -23,38 +27,60 @@ require("module")._load = function (request: string, parent: object, isMain: boo
return originalLoad.apply(this, [request.replace(/^code-server/, path.resolve(__dirname, "../..")), parent, isMain])
}
/**
* Load a plugin and run its activation function.
*/
const loadPlugin = async (pluginPath: string, httpServer: HttpServer, args: Args): Promise<void> => {
try {
const plugin: Plugin = require(pluginPath)
plugin.activate(httpServer, args)
logger.debug("Loaded plugin", field("name", path.basename(pluginPath)))
const packageJson = require(path.join(pluginPath, "package.json"))
logger.debug(
"Loaded plugin",
field("name", packageJson.name || path.basename(pluginPath)),
field("path", pluginPath),
field("version", packageJson.version || "n/a"),
)
} catch (error) {
if (error.code !== "MODULE_NOT_FOUND") {
logger.warn(error.message)
} else {
logger.error(error.message)
}
}
}
const _loadPlugins = async (httpServer: HttpServer, args: Args): Promise<void> => {
const pluginPath = path.resolve(__dirname, "../../plugins")
const files = await util.promisify(fs.readdir)(pluginPath, {
/**
* Load all plugins in the specified directory.
*/
const _loadPlugins = async (pluginDir: string, httpServer: HttpServer, args: Args): Promise<void> => {
try {
const files = await util.promisify(fs.readdir)(pluginDir, {
withFileTypes: true,
})
await Promise.all(files.map((file) => loadPlugin(path.join(pluginPath, file.name), httpServer, args)))
}
export const loadPlugins = async (httpServer: HttpServer, args: Args): Promise<void> => {
try {
await _loadPlugins(httpServer, args)
await Promise.all(files.map((file) => loadPlugin(path.join(pluginDir, file.name), httpServer, args)))
} catch (error) {
if (error.code !== "ENOENT") {
logger.warn(error.message)
}
}
if (process.env.PLUGIN_DIR) {
await loadPlugin(process.env.PLUGIN_DIR, httpServer, args)
}
}
/**
* Load all plugins from the `plugins` directory, directories specified by
* `CS_PLUGIN_PATH` (colon-separated), and individual plugins specified by
* `CS_PLUGIN` (also colon-separated).
*/
export const loadPlugins = async (httpServer: HttpServer, args: Args): Promise<void> => {
const pluginPath = process.env.CS_PLUGIN_PATH || `${path.join(paths.data, "plugins")}:/usr/share/code-server/plugins`
const plugin = process.env.CS_PLUGIN || ""
await Promise.all([
// Built-in plugins.
_loadPlugins(path.resolve(__dirname, "../../plugins"), httpServer, args),
// User-added plugins.
...pluginPath.split(":").map((dir) => _loadPlugins(path.resolve(dir), httpServer, args)),
// Individual plugins so you don't have to symlink or move them into a
// directory specifically for plugins. This lets you load plugins that are
// on the same level as other directories that are not plugins (if you tried
// to use CS_PLUGIN_PATH code-server would try to load those other
// directories as plugins). Intended for development.
...plugin.split(":").map((dir) => loadPlugin(path.resolve(dir), httpServer, args)),
])
}