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https://github.com/Eugeny/tabby.git
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wip: trying to improve tabby startup time
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Clem Fern
parent
a494d9c800
commit
d45b98445f
@ -92,12 +92,43 @@ export function initModuleLookup (userPluginsPath: string): void {
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})
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}
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export async function findPlugins (): Promise<PluginInfo[]> {
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const paths = nodeModule.globalPaths
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let foundPlugins: PluginInfo[] = []
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const PLUGIN_PREFIX = 'tabby-'
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const LEGACY_PLUGIN_PREFIX = 'terminus-'
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async function getCandidateLocationsInPluginDir (pluginDir: any): Promise<{ pluginDir: string, packageName: string }[]> {
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const candidateLocations: { pluginDir: string, packageName: string }[] = []
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const PREFIX = 'tabby-'
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const LEGACY_PREFIX = 'terminus-'
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if (await fs.exists(pluginDir)) {
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const pluginNames = await fs.readdir(pluginDir)
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if (await fs.exists(path.join(pluginDir, 'package.json'))) {
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candidateLocations.push({
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pluginDir: path.dirname(pluginDir),
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packageName: path.basename(pluginDir),
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})
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}
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const promises = []
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for (const packageName of pluginNames) {
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if ((packageName.startsWith(PLUGIN_PREFIX) || packageName.startsWith(LEGACY_PLUGIN_PREFIX)) && !PLUGIN_BLACKLIST.includes(packageName)) {
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const pluginPath = path.join(pluginDir, packageName)
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const infoPath = path.join(pluginPath, 'package.json')
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promises.push(fs.exists(infoPath).then(result => {
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if (result) {
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candidateLocations.push({ pluginDir, packageName })
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}
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}))
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}
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}
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await Promise.all(promises)
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}
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return candidateLocations
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}
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async function getPluginCandidateLocation (paths: any): Promise<{ pluginDir: string, packageName: string }[]> {
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const candidateLocationsPromises: Promise<{ pluginDir: string, packageName: string }[]>[] = []
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const processedPaths = []
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@ -108,69 +139,84 @@ export async function findPlugins (): Promise<PluginInfo[]> {
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processedPaths.push(pluginDir)
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pluginDir = normalizePath(pluginDir)
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if (!await fs.exists(pluginDir)) {
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continue
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}
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const pluginNames = await fs.readdir(pluginDir)
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if (await fs.exists(path.join(pluginDir, 'package.json'))) {
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candidateLocations.push({
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pluginDir: path.dirname(pluginDir),
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packageName: path.basename(pluginDir),
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})
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}
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for (const packageName of pluginNames) {
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if ((packageName.startsWith(PREFIX) || packageName.startsWith(LEGACY_PREFIX)) && !PLUGIN_BLACKLIST.includes(packageName)) {
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candidateLocations.push({ pluginDir, packageName })
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}
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}
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candidateLocationsPromises.push(getCandidateLocationsInPluginDir(pluginDir))
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}
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for (const { pluginDir, packageName } of candidateLocations) {
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const pluginPath = path.join(pluginDir, packageName)
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const infoPath = path.join(pluginPath, 'package.json')
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if (!await fs.exists(infoPath)) {
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continue
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const candidateLocations: { pluginDir: string, packageName: string }[] = []
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for (const pluginCandidateLocations of await Promise.all(candidateLocationsPromises)) {
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candidateLocations.push(...pluginCandidateLocations)
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}
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return candidateLocations
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}
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async function parsePluginInfo (pluginDir: string, packageName: string): Promise<PluginInfo|null> {
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const pluginPath = path.join(pluginDir, packageName)
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const infoPath = path.join(pluginPath, 'package.json')
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const name = packageName.startsWith(PLUGIN_PREFIX) ? packageName.substring(PLUGIN_PREFIX.length) : packageName.substring(LEGACY_PLUGIN_PREFIX.length)
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try {
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const info = JSON.parse(await fs.readFile(infoPath, { encoding: 'utf-8' }))
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if (!info.keywords || !(info.keywords.includes('terminus-plugin') || info.keywords.includes('terminus-builtin-plugin') || info.keywords.includes('tabby-plugin') || info.keywords.includes('tabby-builtin-plugin'))) {
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return null
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}
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const name = packageName.startsWith(PREFIX) ? packageName.substring(PREFIX.length) : packageName.substring(LEGACY_PREFIX.length)
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let author = info.author
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author = author.name || author
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console.log(`Found ${name} in ${pluginDir}`)
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return {
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name: name,
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packageName: packageName,
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isBuiltin: pluginDir === builtinPluginsPath,
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isLegacy: info.keywords.includes('terminus-plugin') || info.keywords.includes('terminus-builtin-plugin'),
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version: info.version,
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description: info.description,
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author,
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path: pluginPath,
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info,
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}
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} catch (error) {
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console.error('Cannot load package info for', packageName)
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return null
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}
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}
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export async function findPlugins (): Promise<PluginInfo[]> {
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const paths = nodeModule.globalPaths
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let foundPlugins: PluginInfo[] = []
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const candidateLocations: { pluginDir: string, packageName: string }[] = await getPluginCandidateLocation(paths)
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const foundPluginsPromises: Promise<PluginInfo|null>[] = []
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for (const { pluginDir, packageName } of candidateLocations) {
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if (builtinModules.includes(packageName) && pluginDir !== builtinPluginsPath) {
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continue
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}
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console.log(`Found ${name} in ${pluginDir}`)
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foundPluginsPromises.push(parsePluginInfo(pluginDir, packageName))
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}
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const existing = foundPlugins.find(x => x.name === name)
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if (existing) {
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if (existing.isLegacy) {
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console.info(`Plugin ${packageName} already exists, overriding`)
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foundPlugins = foundPlugins.filter(x => x.name !== name)
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} else {
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console.info(`Plugin ${packageName} already exists, skipping`)
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continue
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for (const pluginInfo of await Promise.all(foundPluginsPromises)) {
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if (pluginInfo) {
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const existing = foundPlugins.find(x => x.name === pluginInfo.name)
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if (existing) {
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if (existing.isLegacy) {
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console.info(`Plugin ${pluginInfo.packageName} already exists, overriding`)
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foundPlugins = foundPlugins.filter(x => x.name !== pluginInfo.name)
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} else {
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console.info(`Plugin ${pluginInfo.packageName} already exists, skipping`)
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continue
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}
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}
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}
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try {
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const info = JSON.parse(await fs.readFile(infoPath, { encoding: 'utf-8' }))
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if (!info.keywords || !(info.keywords.includes('terminus-plugin') || info.keywords.includes('terminus-builtin-plugin') || info.keywords.includes('tabby-plugin') || info.keywords.includes('tabby-builtin-plugin'))) {
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continue
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}
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let author = info.author
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author = author.name || author
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foundPlugins.push({
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name: name,
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packageName: packageName,
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isBuiltin: pluginDir === builtinPluginsPath,
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isLegacy: info.keywords.includes('terminus-plugin') || info.keywords.includes('terminus-builtin-plugin'),
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version: info.version,
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description: info.description,
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author,
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path: pluginPath,
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info,
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})
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} catch (error) {
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console.error('Cannot load package info for', packageName)
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foundPlugins.push(pluginInfo)
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}
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}
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@ -181,26 +227,36 @@ export async function findPlugins (): Promise<PluginInfo[]> {
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export async function loadPlugins (foundPlugins: PluginInfo[], progress: ProgressCallback): Promise<any[]> {
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const plugins: any[] = []
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progress(0, 1)
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const pluginsPromises: Promise<any>[] = []
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let index = 0
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for (const foundPlugin of foundPlugins) {
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console.info(`Loading ${foundPlugin.name}: ${nodeRequire.resolve(foundPlugin.path)}`)
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progress(index, foundPlugins.length)
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try {
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const packageModule = nodeRequire(foundPlugin.path)
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if (foundPlugin.packageName.startsWith('tabby-')) {
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cachedBuiltinModules[foundPlugin.packageName.replace('tabby-', 'terminus-')] = packageModule
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}
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const pluginModule = packageModule.default.forRoot ? packageModule.default.forRoot() : packageModule.default
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pluginModule.pluginName = foundPlugin.name
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pluginModule.bootstrap = packageModule.bootstrap
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plugins.push(pluginModule)
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await new Promise(x => setTimeout(x, 50))
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} catch (error) {
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console.error(`Could not load ${foundPlugin.name}:`, error)
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}
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const setProgress = function () {
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index++
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progress(index, foundPlugins.length)
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}
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progress(0, 1)
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for (const foundPlugin of foundPlugins) {
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pluginsPromises.push(new Promise(x => {
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console.info(`Loading ${foundPlugin.name}: ${nodeRequire.resolve(foundPlugin.path)}`)
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try {
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const packageModule = nodeRequire(foundPlugin.path)
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if (foundPlugin.packageName.startsWith('tabby-')) {
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cachedBuiltinModules[foundPlugin.packageName.replace('tabby-', 'terminus-')] = packageModule
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}
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const pluginModule = packageModule.default.forRoot ? packageModule.default.forRoot() : packageModule.default
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pluginModule.pluginName = foundPlugin.name
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pluginModule.bootstrap = packageModule.bootstrap
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plugins.push(pluginModule)
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setTimeout(x, 50)
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} catch (error) {
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console.error(`Could not load ${foundPlugin.name}:`, error)
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}
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setProgress()
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}))
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}
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progress(1, 1)
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await Promise.all(pluginsPromises)
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return plugins
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}
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