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|
/* --------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
* ------------------------------------------------------------------------------------------ */
import * as path from 'path'
import {
workspace as Workspace,
window as Window,
languages as Languages,
ExtensionContext,
TextDocument,
OutputChannel,
WorkspaceFolder,
Uri,
commands,
SymbolInformation,
Position,
Range,
TextEditorDecorationType,
RelativePattern,
ConfigurationScope,
WorkspaceConfiguration,
CompletionItem,
CompletionItemKind,
CompletionList,
ProviderResult,
SnippetString,
TextEdit,
Selection,
} from 'vscode'
import {
LanguageClient,
LanguageClientOptions,
ServerOptions,
TransportKind,
State as LanguageClientState,
RevealOutputChannelOn,
Disposable,
} from 'vscode-languageclient/node'
import { languages as defaultLanguages } from 'tailwindcss-language-service/src/util/languages'
import * as semver from 'tailwindcss-language-service/src/util/semver'
import isObject from 'tailwindcss-language-service/src/util/isObject'
import { dedupe, equal } from 'tailwindcss-language-service/src/util/array'
import namedColors from 'color-name'
import minimatch from 'minimatch'
import { CONFIG_GLOB, CSS_GLOB } from 'tailwindcss-language-server/src/lib/constants'
import braces from 'braces'
import normalizePath from 'normalize-path'
const colorNames = Object.keys(namedColors)
const CLIENT_ID = 'tailwindcss-intellisense'
const CLIENT_NAME = 'Tailwind CSS IntelliSense'
let clients: Map<string, LanguageClient> = new Map()
let languages: Map<string, string[]> = new Map()
let searchedFolders: Set<string> = new Set()
function getUserLanguages(folder?: WorkspaceFolder): Record<string, string> {
const langs = Workspace.getConfiguration('tailwindCSS', folder).includeLanguages
return isObject(langs) ? langs : {}
}
function getGlobalExcludePatterns(scope: ConfigurationScope): string[] {
return Object.entries(Workspace.getConfiguration('files', scope).get('exclude'))
.filter(([, value]) => value === true)
.map(([key]) => key)
.filter(Boolean)
}
function getExcludePatterns(scope: ConfigurationScope): string[] {
return [
...getGlobalExcludePatterns(scope),
...(<string[]>Workspace.getConfiguration('tailwindCSS', scope).get('files.exclude')).filter(
Boolean
),
]
}
function isExcluded(file: string, folder: WorkspaceFolder): boolean {
let exclude = getExcludePatterns(folder)
for (let pattern of exclude) {
if (minimatch(file, path.join(folder.uri.fsPath, pattern))) {
return true
}
}
return false
}
function mergeExcludes(settings: WorkspaceConfiguration, scope: ConfigurationScope): any {
return {
...settings,
files: {
...settings.files,
exclude: getExcludePatterns(scope),
},
}
}
async function fileContainsAtConfig(uri: Uri) {
let contents = (await Workspace.fs.readFile(uri)).toString()
return /@config\s*['"]/.test(contents)
}
function selectionsAreEqual(
aSelections: readonly Selection[],
bSelections: readonly Selection[]
): boolean {
if (aSelections.length !== bSelections.length) {
return false
}
for (let i = 0; i < aSelections.length; i++) {
if (!aSelections[i].isEqual(bSelections[i])) {
return false
}
}
return true
}
async function getActiveTextEditorProject(): Promise<{ version: string } | null> {
if (clients.size === 0) {
return null
}
let editor = Window.activeTextEditor
if (!editor) {
return null
}
let uri = editor.document.uri
let folder = Workspace.getWorkspaceFolder(uri)
if (!folder) {
return null
}
let client = clients.get(folder.uri.toString())
if (!client) {
return null
}
if (isExcluded(uri.fsPath, folder)) {
return null
}
try {
let project = await client.sendRequest<{ version: string } | null>('@/tailwindCSS/getProject', {
uri: uri.toString(),
})
return project
} catch {
return null
}
}
async function activeTextEditorSupportsClassSorting(): Promise<boolean> {
let project = await getActiveTextEditorProject()
if (!project) {
return false
}
return semver.gte(project.version, '3.0.0')
}
async function updateActiveTextEditorContext(): Promise<void> {
commands.executeCommand(
'setContext',
'tailwindCSS.activeTextEditorSupportsClassSorting',
await activeTextEditorSupportsClassSorting()
)
}
function resetActiveTextEditorContext(): void {
commands.executeCommand('setContext', 'tailwindCSS.activeTextEditorSupportsClassSorting', false)
}
export async function activate(context: ExtensionContext) {
let module = context.asAbsolutePath(path.join('dist', 'server.js'))
let prod = path.join('dist', 'tailwindServer.js')
try {
await Workspace.fs.stat(Uri.joinPath(context.extensionUri, prod))
module = context.asAbsolutePath(prod)
} catch (_) {}
let outputChannel: OutputChannel
context.subscriptions.push(
commands.registerCommand('tailwindCSS.showOutput', () => {
if (outputChannel) {
outputChannel.show()
}
})
)
async function sortSelection(): Promise<void> {
let { document, selections } = Window.activeTextEditor
if (selections.length === 0) {
return
}
let initialSelections = selections
let folder = Workspace.getWorkspaceFolder(document.uri)
if (clients.size === 0 || !folder || isExcluded(document.uri.fsPath, folder)) {
throw Error(`No active Tailwind project found for file ${document.uri.fsPath}`)
}
let client = clients.get(folder.uri.toString())
if (!client) {
throw Error(`No active Tailwind project found for file ${document.uri.fsPath}`)
}
let result = await client.sendRequest<{ error: string } | { classLists: string[] }>(
'@/tailwindCSS/sortSelection',
{
uri: document.uri.toString(),
classLists: selections.map((selection) => document.getText(selection)),
}
)
if (
Window.activeTextEditor.document !== document ||
!selectionsAreEqual(initialSelections, Window.activeTextEditor.selections)
) {
return
}
if ('error' in result) {
throw Error(
{
'no-project': `No active Tailwind project found for file ${document.uri.fsPath}`,
}[result.error] ?? 'An unknown error occurred.'
)
}
let sortedClassLists = result.classLists
Window.activeTextEditor.edit((builder) => {
for (let i = 0; i < selections.length; i++) {
builder.replace(selections[i], sortedClassLists[i])
}
})
}
context.subscriptions.push(
commands.registerCommand('tailwindCSS.sortSelection', async () => {
try {
await sortSelection()
} catch (error) {
Window.showWarningMessage(`Couldn’t sort Tailwind classes: ${error.message}`)
}
})
)
context.subscriptions.push(
Window.onDidChangeActiveTextEditor(async () => {
await updateActiveTextEditorContext()
})
)
let configWatcher = Workspace.createFileSystemWatcher(`**/${CONFIG_GLOB}`, false, true, true)
configWatcher.onDidCreate((uri) => {
let folder = Workspace.getWorkspaceFolder(uri)
if (!folder || isExcluded(uri.fsPath, folder)) {
return
}
bootWorkspaceClient(folder)
})
context.subscriptions.push(configWatcher)
let cssWatcher = Workspace.createFileSystemWatcher(`**/${CSS_GLOB}`, false, false, true)
async function bootClientIfCssFileContainsAtConfig(uri: Uri) {
let folder = Workspace.getWorkspaceFolder(uri)
if (!folder || isExcluded(uri.fsPath, folder)) {
return
}
if (await fileContainsAtConfig(uri)) {
bootWorkspaceClient(folder)
}
}
cssWatcher.onDidCreate(bootClientIfCssFileContainsAtConfig)
cssWatcher.onDidChange(bootClientIfCssFileContainsAtConfig)
context.subscriptions.push(cssWatcher)
// TODO: check if the actual language MAPPING changed
// not just the language IDs
// e.g. "plaintext" already exists but you change it from "html" to "css"
context.subscriptions.push(
Workspace.onDidChangeConfiguration((event) => {
let toReboot = new Set<WorkspaceFolder>()
Workspace.textDocuments.forEach((document) => {
let folder = Workspace.getWorkspaceFolder(document.uri)
if (!folder) return
if (event.affectsConfiguration('tailwindCSS.experimental.configFile', folder)) {
toReboot.add(folder)
}
})
;[...clients].forEach(([key, client]) => {
const folder = Workspace.getWorkspaceFolder(Uri.parse(key))
let reboot = false
if (event.affectsConfiguration('tailwindCSS.includeLanguages', folder)) {
const userLanguages = getUserLanguages(folder)
if (userLanguages) {
const userLanguageIds = Object.keys(userLanguages)
const newLanguages = dedupe([...defaultLanguages, ...userLanguageIds])
if (!equal(newLanguages, languages.get(folder.uri.toString()))) {
languages.set(folder.uri.toString(), newLanguages)
reboot = true
}
}
}
if (event.affectsConfiguration('tailwindCSS.experimental.configFile', folder)) {
reboot = true
}
if (reboot && client) {
toReboot.add(folder)
}
})
for (let folder of toReboot) {
clients.get(folder.uri.toString())?.stop()
clients.delete(folder.uri.toString())
bootClientForFolderIfNeeded(folder)
}
})
)
let cssServerBooted = false
async function bootCssServer() {
if (cssServerBooted) return
cssServerBooted = true
let module = context.asAbsolutePath(path.join('dist', 'cssServer.js'))
let prod = path.join('dist', 'tailwindModeServer.js')
try {
await Workspace.fs.stat(Uri.joinPath(context.extensionUri, prod))
module = context.asAbsolutePath(prod)
} catch (_) {}
let client = new LanguageClient(
'tailwindcss-intellisense-css',
'Tailwind CSS',
{
run: {
module,
transport: TransportKind.ipc,
},
debug: {
module,
transport: TransportKind.ipc,
options: {
execArgv: ['--nolazy', '--inspect=6051'],
},
},
},
{
documentSelector: [{ language: 'tailwindcss' }],
outputChannelName: 'Tailwind CSS Language Mode',
synchronize: { configurationSection: ['css'] },
middleware: {
provideCompletionItem(document, position, context, token, next) {
function updateRanges(item: CompletionItem) {
const range = item.range
if (
range instanceof Range &&
range.end.isAfter(position) &&
range.start.isBeforeOrEqual(position)
) {
item.range = { inserting: new Range(range.start, position), replacing: range }
}
}
function updateLabel(item: CompletionItem) {
if (item.kind === CompletionItemKind.Color) {
item.label = {
label: item.label as string,
description: item.documentation as string,
}
}
}
function updateProposals(
r: CompletionItem[] | CompletionList | null | undefined
): CompletionItem[] | CompletionList | null | undefined {
if (r) {
;(Array.isArray(r) ? r : r.items).forEach(updateRanges)
;(Array.isArray(r) ? r : r.items).forEach(updateLabel)
}
return r
}
const isThenable = <T>(obj: ProviderResult<T>): obj is Thenable<T> =>
obj && (<any>obj)['then']
const r = next(document, position, context, token)
if (isThenable<CompletionItem[] | CompletionList | null | undefined>(r)) {
return r.then(updateProposals)
}
return updateProposals(r)
},
},
}
)
await client.start()
context.subscriptions.push(initCompletionProvider())
function initCompletionProvider(): Disposable {
const regionCompletionRegExpr = /^(\s*)(\/(\*\s*(#\w*)?)?)?$/
return Languages.registerCompletionItemProvider(['tailwindcss'], {
provideCompletionItems(doc: TextDocument, pos: Position) {
let lineUntilPos = doc.getText(new Range(new Position(pos.line, 0), pos))
let match = lineUntilPos.match(regionCompletionRegExpr)
if (match) {
let range = new Range(new Position(pos.line, match[1].length), pos)
let beginProposal = new CompletionItem('#region', CompletionItemKind.Snippet)
beginProposal.range = range
TextEdit.replace(range, '/* #region */')
beginProposal.insertText = new SnippetString('/* #region $1*/')
beginProposal.documentation = 'Folding Region Start'
beginProposal.filterText = match[2]
beginProposal.sortText = 'za'
let endProposal = new CompletionItem('#endregion', CompletionItemKind.Snippet)
endProposal.range = range
endProposal.insertText = '/* #endregion */'
endProposal.documentation = 'Folding Region End'
endProposal.sortText = 'zb'
endProposal.filterText = match[2]
return [beginProposal, endProposal]
}
return null
},
})
}
}
function bootWorkspaceClient(folder: WorkspaceFolder) {
if (clients.has(folder.uri.toString())) {
return
}
let colorDecorationType: TextEditorDecorationType
function clearColors(): void {
if (colorDecorationType) {
colorDecorationType.dispose()
colorDecorationType = undefined
}
}
context.subscriptions.push({
dispose() {
if (colorDecorationType) {
colorDecorationType.dispose()
}
},
})
// placeholder so we don't boot another server before this one is ready
clients.set(folder.uri.toString(), null)
if (!languages.has(folder.uri.toString())) {
languages.set(
folder.uri.toString(),
dedupe([...defaultLanguages, ...Object.keys(getUserLanguages(folder))])
)
}
if (!outputChannel) {
outputChannel = Window.createOutputChannel(CLIENT_NAME)
context.subscriptions.push(outputChannel)
commands.executeCommand('setContext', 'tailwindCSS.hasOutputChannel', true)
}
let configuration = {
editor: Workspace.getConfiguration('editor', folder),
tailwindCSS: mergeExcludes(Workspace.getConfiguration('tailwindCSS', folder), folder),
}
let inspectPort = configuration.tailwindCSS.get('inspectPort')
let serverOptions: ServerOptions = {
run: {
module,
transport: TransportKind.ipc,
options: { execArgv: inspectPort === null ? [] : [`--inspect=${inspectPort}`] },
},
debug: {
module,
transport: TransportKind.ipc,
options: {
execArgv: ['--nolazy', `--inspect=${6011 + clients.size}`],
},
},
}
let clientOptions: LanguageClientOptions = {
documentSelector: languages.get(folder.uri.toString()).map((language) => ({
scheme: 'file',
language,
pattern: normalizePath(`${folder.uri.fsPath.replace(/[\[\]\{\}]/g, '?')}/**/*`),
})),
diagnosticCollectionName: CLIENT_ID,
workspaceFolder: folder,
outputChannel: outputChannel,
revealOutputChannelOn: RevealOutputChannelOn.Never,
middleware: {
provideCompletionItem(document, position, context, token, next) {
let workspaceFolder = Workspace.getWorkspaceFolder(document.uri)
if (workspaceFolder !== folder) {
return null
}
return next(document, position, context, token)
},
provideHover(document, position, token, next) {
let workspaceFolder = Workspace.getWorkspaceFolder(document.uri)
if (workspaceFolder !== folder) {
return null
}
return next(document, position, token)
},
handleDiagnostics(uri, diagnostics, next) {
let workspaceFolder = Workspace.getWorkspaceFolder(uri)
if (workspaceFolder !== folder) {
return
}
next(uri, diagnostics)
},
provideCodeActions(document, range, context, token, next) {
let workspaceFolder = Workspace.getWorkspaceFolder(document.uri)
if (workspaceFolder !== folder) {
return null
}
return next(document, range, context, token)
},
async resolveCompletionItem(item, token, next) {
let result = await next(item, token)
let selections = Window.activeTextEditor.selections
if (
result['data'] === 'variant' &&
selections.length > 1 &&
result.additionalTextEdits?.length > 0
) {
let length =
selections[0].start.character - result.additionalTextEdits[0].range.start.character
let prefixLength =
result.additionalTextEdits[0].range.end.character -
result.additionalTextEdits[0].range.start.character
let ranges = selections.map((selection) => {
return new Range(
new Position(selection.start.line, selection.start.character - length),
new Position(
selection.start.line,
selection.start.character - length + prefixLength
)
)
})
if (
ranges
.map((range) => Window.activeTextEditor.document.getText(range))
.every((text, _index, arr) => arr.indexOf(text) === 0)
) {
// all the same
result.additionalTextEdits = ranges.map((range) => {
return { range, newText: result.additionalTextEdits[0].newText }
})
} else {
result.insertText =
typeof result.label === 'string' ? result.label : result.label.label
result.additionalTextEdits = []
}
}
return result
},
async provideDocumentColors(document, token, next) {
let workspaceFolder = Workspace.getWorkspaceFolder(document.uri)
if (workspaceFolder !== folder) {
return null
}
let colors = await next(document, token)
let editableColors = colors.filter((color) => {
let text =
Workspace.textDocuments.find((doc) => doc === document)?.getText(color.range) ?? ''
return new RegExp(
`-\\[(${colorNames.join('|')}|((?:#|rgba?\\(|hsla?\\())[^\\]]+)\\]$`
).test(text)
})
let nonEditableColors = colors.filter((color) => !editableColors.includes(color))
if (!colorDecorationType) {
colorDecorationType = Window.createTextEditorDecorationType({
before: {
width: '0.8em',
height: '0.8em',
contentText: ' ',
border: '0.1em solid',
margin: '0.1em 0.2em 0',
},
dark: {
before: {
borderColor: '#eeeeee',
},
},
light: {
before: {
borderColor: '#000000',
},
},
})
}
Window.visibleTextEditors
.find((editor) => editor.document === document)
?.setDecorations(
colorDecorationType,
nonEditableColors.map(({ range, color }) => ({
range,
renderOptions: {
before: {
backgroundColor: `rgba(${color.red * 255}, ${color.green * 255}, ${
color.blue * 255
}, ${color.alpha})`,
},
},
}))
)
return editableColors
},
workspace: {
configuration: (params) => {
return params.items.map(({ section, scopeUri }) => {
let scope: ConfigurationScope = folder
if (scopeUri) {
let doc = Workspace.textDocuments.find((doc) => doc.uri.toString() === scopeUri)
if (doc) {
scope = {
uri: Uri.parse(scopeUri),
languageId: doc.languageId,
}
}
}
let settings = Workspace.getConfiguration(section, scope)
if (section === 'tailwindCSS') {
return mergeExcludes(settings, scope)
}
return settings
})
},
},
},
initializationOptions: {
userLanguages: getUserLanguages(folder),
workspaceFile:
Workspace.workspaceFile?.scheme === 'file' ? Workspace.workspaceFile.fsPath : undefined,
},
synchronize: {
configurationSection: ['files', 'editor', 'tailwindCSS'],
},
}
let client = new LanguageClient(CLIENT_ID, CLIENT_NAME, serverOptions, clientOptions)
client.onNotification('@/tailwindCSS/error', async ({ message }) => {
let action = await Window.showErrorMessage(message, 'Go to output')
if (action === 'Go to output') {
commands.executeCommand('tailwindCSS.showOutput')
}
})
client.onNotification('@/tailwindCSS/clearColors', () => clearColors())
client.onNotification('@/tailwindCSS/projectInitialized', async () => {
await updateActiveTextEditorContext()
})
client.onNotification('@/tailwindCSS/projectReset', async () => {
await updateActiveTextEditorContext()
})
client.onNotification('@/tailwindCSS/projectsDestroyed', () => {
resetActiveTextEditorContext()
})
client.onRequest('@/tailwindCSS/getDocumentSymbols', async ({ uri }) => {
return commands.executeCommand<SymbolInformation[]>(
'vscode.executeDocumentSymbolProvider',
Uri.parse(uri)
)
})
client.onDidChangeState(({ newState }) => {
if (newState === LanguageClientState.Stopped) {
clearColors()
}
})
client.start()
clients.set(folder.uri.toString(), client)
}
async function bootClientForFolderIfNeeded(folder: WorkspaceFolder): Promise<void> {
let settings = Workspace.getConfiguration('tailwindCSS', folder)
if (settings.get('experimental.configFile') !== null) {
bootWorkspaceClient(folder)
return
}
let exclude = `{${getExcludePatterns(folder)
.flatMap((pattern) => braces.expand(pattern))
.join(',')
.replace(/{/g, '%7B')
.replace(/}/g, '%7D')}}`
let [configFile] = await Workspace.findFiles(
new RelativePattern(folder, `**/${CONFIG_GLOB}`),
exclude,
1
)
if (configFile) {
bootWorkspaceClient(folder)
return
}
let cssFiles = await Workspace.findFiles(new RelativePattern(folder, `**/${CSS_GLOB}`), exclude)
for (let cssFile of cssFiles) {
if (await fileContainsAtConfig(cssFile)) {
bootWorkspaceClient(folder)
return
}
}
}
async function didOpenTextDocument(document: TextDocument): Promise<void> {
if (document.languageId === 'tailwindcss') {
bootCssServer()
}
// We are only interested in language mode text
if (document.uri.scheme !== 'file') {
return
}
let uri = document.uri
let folder = Workspace.getWorkspaceFolder(uri)
// Files outside a folder can't be handled. This might depend on the language.
// Single file languages like JSON might handle files outside the workspace folders.
if (!folder) {
return
}
if (searchedFolders.has(folder.uri.toString())) {
return
}
searchedFolders.add(folder.uri.toString())
await bootClientForFolderIfNeeded(folder)
}
context.subscriptions.push(Workspace.onDidOpenTextDocument(didOpenTextDocument))
Workspace.textDocuments.forEach(didOpenTextDocument)
context.subscriptions.push(
Workspace.onDidChangeWorkspaceFolders((event) => {
for (let folder of event.removed) {
let client = clients.get(folder.uri.toString())
if (client) {
searchedFolders.delete(folder.uri.toString())
clients.delete(folder.uri.toString())
client.stop()
}
}
})
)
}
export function deactivate(): Thenable<void> {
let promises: Thenable<void>[] = []
for (let client of clients.values()) {
promises.push(client.stop())
}
return Promise.all(promises).then(() => undefined)
}
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