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|
'use strict'
import * as vscode from 'vscode'
import { dirname } from 'path'
const htmlElements = require('./htmlElements.js')
const tailwindClassNames = require('tailwind-class-names')
const dlv = require('dlv')
const Color = require('color')
const CONFIG_GLOB =
'**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.js'
const JS_TYPES = ['typescriptreact', 'javascript', 'javascriptreact']
const HTML_TYPES = [
'html',
'jade',
'razor',
'php',
'blade',
'twig',
'markdown',
'erb',
'handlebars',
'ejs',
'nunjucks',
'haml',
'leaf',
'HTML (Eex)'
]
const CSS_TYPES = ['css', 'sass', 'scss', 'less', 'stylus']
export async function activate(context: vscode.ExtensionContext) {
let tw
try {
tw = await getTailwind()
} catch (err) {}
let intellisense = new TailwindIntellisense(tw)
context.subscriptions.push(intellisense)
let watcher = vscode.workspace.createFileSystemWatcher(CONFIG_GLOB)
watcher.onDidChange(onFileChange)
watcher.onDidCreate(onFileChange)
watcher.onDidDelete(onFileChange)
async function onFileChange(event) {
try {
tw = await getTailwind()
} catch (err) {
intellisense.dispose()
return
}
if (!tw) {
intellisense.dispose()
return
}
intellisense.reload(tw)
}
}
async function getTailwind() {
if (!vscode.workspace.name) return
let files = await vscode.workspace.findFiles(
CONFIG_GLOB,
'**/node_modules/**',
1
)
if (!files.length) return null
let configPath = files[0].fsPath
delete require.cache[configPath]
let tailwindPackage = await vscode.workspace.findFiles(
'**/node_modules/tailwindcss/package.json',
null,
1
)
if (!tailwindPackage.length) return null
let pluginPath = dirname(tailwindPackage[0].fsPath)
let tw
try {
tw = await tailwindClassNames({
configPath,
pluginPath,
tree: true,
strings: true
})
} catch (err) {
return null
}
return tw
}
export function deactivate() {}
function createCompletionItemProvider({
items,
prefixedItems,
languages,
regex,
triggerCharacters,
config,
enable = () => true,
emmet = false
}: {
items?
prefixedItems?
languages?: string[]
regex?: RegExp
triggerCharacters?: string[]
config?
prefix?: string
enable?: (text: string) => boolean
emmet?: boolean
} = {}): vscode.Disposable {
return vscode.languages.registerCompletionItemProvider(
languages,
{
provideCompletionItems(
document: vscode.TextDocument,
position: vscode.Position
): vscode.CompletionItem[] {
const separator = config.options.separator || ':'
let str
const range: vscode.Range = new vscode.Range(
new vscode.Position(0, 0),
position
)
const text: string = document.getText(range)
if (!enable(text)) return []
let lines = text.split(/[\n\r]/)
let matches = lines
.slice(-5)
.join('\n')
.match(regex)
if (matches) {
let parts = matches[matches.length - 1].split(' ')
str = parts[parts.length - 1]
} else if (emmet) {
// match emmet style syntax
// e.g. .flex.items-center
let currentLine = lines[lines.length - 1]
let currentWord = currentLine.split(' ').pop()
matches = currentWord.match(/^\.([^.()#>*^ \[\]=$@{}]*)$/)
if (!matches) {
matches = currentWord.match(
new RegExp(
`^([A-Z][a-zA-Z0-9]*|[a-z][a-z0-9]*-[a-z0-9-]+|${htmlElements
.map(x => `${x}\\b`)
.join('|')}).*?\\.([^.()#>*^ \\[\\]=$@{}]*)$`
)
)
}
if (matches) {
let parts = matches[matches.length - 1].split('.')
str = parts[parts.length - 1]
}
}
if (typeof str !== 'undefined') {
const pth = str
.replace(new RegExp(`${separator}`, 'g'), '.')
.replace(/\.$/, '')
.replace(/^\./, '')
.replace(/\./g, '.children.')
if (pth !== '') {
const itms =
prefixedItems &&
str.indexOf('.') === 0 &&
str.indexOf(separator) === -1
? dlv(prefixedItems, pth)
: dlv(items, pth)
if (itms) {
return Object.keys(itms.children).map(x => itms.children[x].item)
}
}
if (str.indexOf(separator) === -1) {
return prefixedItems && str.indexOf('.') === 0
? Object.keys(prefixedItems).map(x => prefixedItems[x].item)
: Object.keys(items).map(x => items[x].item)
}
return []
}
return []
}
},
...triggerCharacters
)
}
function createConfigItemProvider({
languages,
items,
enable = () => true
}: {
languages?: string[]
items?: vscode.CompletionItem[]
enable?: (text: string) => boolean
} = {}) {
return vscode.languages.registerCompletionItemProvider(
languages,
{
provideCompletionItems: (
document: vscode.TextDocument,
position: vscode.Position
): vscode.CompletionItem[] => {
const range: vscode.Range = new vscode.Range(
new vscode.Position(0, 0),
position
)
const text: string = document.getText(range)
if (!enable(text)) return []
let lines = text.split(/[\n\r]/)
let matches = lines
.slice(-5)
.join('\n')
.match(/config\(["']([^"']*)$/)
if (!matches) return []
let objPath =
matches[1]
.replace(/\.[^.]*$/, '')
.replace('.', '.children.')
.trim() + '.children'
let foo = dlv(items, objPath)
if (foo) {
return Object.keys(foo).map(x => foo[x].item)
}
return Object.keys(items).map(x => items[x].item)
}
},
"'",
'"',
'.'
)
}
function prefixItems(items, str, prefix) {
const addPrefix =
typeof prefix !== 'undefined' && prefix !== '' && str === prefix
return Object.keys(items).map(x => {
const item = items[x].item
if (addPrefix) {
item.filterText = item.insertText = `${prefix}${item.label}`
} else {
item.filterText = item.insertText = item.label
}
return item
})
}
function depthOf(obj) {
if (typeof obj !== 'object' || Array.isArray(obj)) return 0
let level = 1
for (let key in obj) {
if (!obj.hasOwnProperty(key)) continue
if (typeof obj[key] === 'object') {
const depth = depthOf(obj[key]) + 1
level = Math.max(depth, level)
}
}
return level
}
function createItems(classNames, separator, config, prefix = '', parent = '') {
let items = {}
let i = 0
Object.keys(classNames).forEach(key => {
if (depthOf(classNames[key]) === 0) {
const item = new vscode.CompletionItem(
key,
vscode.CompletionItemKind.Constant
)
item.filterText = item.insertText = `${prefix}${key}`
item.sortText = naturalExpand(i.toString())
if (key !== 'container' && key !== 'group') {
if (parent) {
item.detail = classNames[key].replace(
new RegExp(`:${parent} \{(.*?)\}`),
'$1'
)
} else {
item.detail = classNames[key]
}
let color = getColorFromDecl(item.detail)
if (color) {
item.kind = vscode.CompletionItemKind.Color
item.documentation = color
}
}
items[key] = {
item
}
i++
} else {
const item = new vscode.CompletionItem(
`${key}${separator}`,
vscode.CompletionItemKind.Constant
)
item.filterText = item.insertText = `${prefix}${key}${separator}`
item.sortText = naturalExpand(i.toString())
item.command = { title: '', command: 'editor.action.triggerSuggest' }
if (key === 'hover' || key === 'focus' || key === 'active') {
item.detail = `:${key}`
item.sortText = `a${item.sortText}`
} else if (key === 'group-hover') {
item.detail = '.group:hover &'
item.sortText = `a${item.sortText}`
} else if (
config.screens &&
Object.keys(config.screens).indexOf(key) !== -1
) {
item.detail = `@media (min-width: ${config.screens[key]})`
item.sortText = `m${item.sortText}`
}
items[key] = {
item,
children: createItems(classNames[key], separator, config, prefix, key)
}
i++
}
})
return items
}
function createConfigItems(config, prefix = '') {
let items = {}
let i = 0
Object.keys(config).forEach(key => {
let item = new vscode.CompletionItem(
key,
vscode.CompletionItemKind.Constant
)
if (depthOf(config[key]) === 0) {
if (key === 'plugins') return
item.filterText = item.insertText = `${prefix}${key}`
item.sortText = naturalExpand(i.toString())
if (typeof config[key] === 'string' || typeof config[key] === 'number') {
item.detail = config[key].toString()
let color = getColorFromValue(item.detail)
if (color) {
item.kind = vscode.CompletionItemKind.Color
item.documentation = color
}
} else if (Array.isArray(config[key])) {
item.detail = stringifyArray(config[key])
}
items[key] = { item }
} else {
if (key === 'modules' || key === 'options') return
item.filterText = item.insertText = `${key}.`
item.sortText = naturalExpand(i.toString())
item.command = { title: '', command: 'editor.action.triggerSuggest' }
items[key] = { item, children: createConfigItems(config[key], prefix) }
}
i++
})
return items
}
class TailwindIntellisense {
private _providers: vscode.Disposable[]
private _disposable: vscode.Disposable
private _tailwind
private _items
private _prefixedItems
private _configItems
private _prefixedConfigItems
constructor(tailwind) {
if (tailwind) {
this._tailwind = tailwind
this.reload(tailwind)
}
}
public reload(tailwind) {
this.dispose()
const separator = dlv(tailwind.config, 'options.separator', ':')
if (separator !== ':') return
this._items = createItems(tailwind.classNames, separator, tailwind.config)
this._prefixedItems = createItems(
tailwind.classNames,
separator,
tailwind.config,
'.'
)
this._configItems = createConfigItems(tailwind.config)
this._prefixedConfigItems = createConfigItems(tailwind.config, '.')
this._providers = []
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: JS_TYPES,
regex: /\btw`([^`]*)$/,
triggerCharacters: ['`', ' ', separator],
config: tailwind.config
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
prefixedItems: this._prefixedItems,
languages: CSS_TYPES,
regex: /@apply ([^;}]*)$/,
triggerCharacters: ['.', separator],
config: tailwind.config
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
prefixedItems: this._items,
languages: ['postcss'],
regex: /@apply ([^;}]*)$/,
triggerCharacters: ['.', separator],
config: tailwind.config
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: HTML_TYPES,
regex: /\bclass=["']([^"']*)$/, // /\bclass(Name)?=(["'])(?!.*?\2)/
triggerCharacters: ["'", '"', ' ', '.', separator],
config: tailwind.config,
emmet: true
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: JS_TYPES,
regex: /\bclass(Name)?=["']([^"']*)$/, // /\bclass(Name)?=(["'])(?!.*?\2)/
triggerCharacters: ["'", '"', ' ', separator]
.concat([
Object.keys(
vscode.workspace.getConfiguration('emmet.includeLanguages')
).indexOf('javascript') !== -1 && '.'
])
.filter(Boolean),
config: tailwind.config,
emmet:
Object.keys(
vscode.workspace.getConfiguration('emmet.includeLanguages')
).indexOf('javascript') !== -1
})
)
// Vue.js
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: ['vue'],
regex: /\bclass=["']([^"']*)$/,
enable: isWithinTemplate,
triggerCharacters: ["'", '"', ' ', separator]
.concat([
Object.keys(
vscode.workspace.getConfiguration('emmet.includeLanguages')
).indexOf('vue-html') !== -1 && '.'
])
.filter(Boolean),
config: tailwind.config,
emmet:
Object.keys(
vscode.workspace.getConfiguration('emmet.includeLanguages')
).indexOf('vue-html') !== -1
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: ['vue'],
regex: /\bclass=["']([^"']*)$/,
enable: text => {
if (
text.indexOf('<script') !== -1 &&
text.indexOf('</script>') === -1
) {
return true
}
return false
},
triggerCharacters: ["'", '"', ' ', separator],
config: tailwind.config
})
)
this._providers.push(
createCompletionItemProvider({
items: this._items,
languages: ['vue'],
regex: /@apply ([^;}]*)$/,
triggerCharacters: ['.', separator],
config: tailwind.config,
enable: text => {
if (
text.indexOf('<style') !== -1 &&
text.indexOf('</style>') === -1
) {
return true
}
return false
}
})
)
this._providers.push(
createConfigItemProvider({
languages: CSS_TYPES,
items: this._prefixedConfigItems
})
)
this._providers.push(
createConfigItemProvider({
languages: ['postcss'],
items: this._configItems
})
)
this._providers.push(
createConfigItemProvider({
languages: ['vue'],
items: this._configItems,
enable: text => {
if (
text.indexOf('<style') !== -1 &&
text.indexOf('</style>') === -1
) {
return true
}
return false
}
})
)
this._providers.push(
vscode.languages.registerHoverProvider(
[...HTML_TYPES, ...JS_TYPES, 'vue'],
{
provideHover: (document, position, token) => {
const range1: vscode.Range = new vscode.Range(
new vscode.Position(Math.max(position.line - 5, 0), 0),
position
)
const text1: string = document.getText(range1)
if (!/\bclass(Name)?=['"][^'"]*$/.test(text1)) return
const range2: vscode.Range = new vscode.Range(
new vscode.Position(Math.max(position.line - 5, 0), 0),
position.with({ line: position.line + 1 })
)
const text2: string = document.getText(range2)
let str = text1 + text2.substr(text1.length).match(/^([^"' ]*)/)[0]
let matches = str.match(/\bclass(Name)?=["']([^"']*)$/)
if (matches && matches[2]) {
let className = matches[2].split(' ').pop()
let parts = className.split(':')
if (typeof dlv(this._tailwind.classNames, parts) === 'string') {
let base = parts.pop()
let selector = `.${escapeClassName(className)}`
if (parts.indexOf('hover') !== -1) {
selector += ':hover'
} else if (parts.indexOf('focus') !== -1) {
selector += ':focus'
} else if (parts.indexOf('active') !== -1) {
selector += ':active'
} else if (parts.indexOf('group-hover') !== -1) {
selector = `.group:hover ${selector}`
}
let hoverStr = new vscode.MarkdownString()
let css = this._tailwind.classNames[base]
let m = css.match(/^(::?[a-z-]+) {(.*?)}/)
if (m) {
selector += m[1]
css = m[2].trim()
}
css = css.replace(/([;{]) /g, '$1\n').replace(/^/gm, ' ')
let code = `${selector} {\n${css}\n}`
let screens = dlv(this._tailwind.config, 'screens', {})
Object.keys(screens).some(screen => {
if (parts.indexOf(screen) !== -1) {
code = `@media (min-width: ${
screens[screen]
}) {\n${code.replace(/^/gm, ' ')}\n}`
return true
}
return false
})
hoverStr.appendCodeblock(code, 'css')
let hoverRange = new vscode.Range(
new vscode.Position(
position.line,
position.character +
str.length -
text1.length -
className.length
),
new vscode.Position(
position.line,
position.character + str.length - text1.length
)
)
return new vscode.Hover(hoverStr, hoverRange)
}
}
return null
}
}
)
)
// @screen
this._providers.push(
createScreenCompletionItemProvider({
config: tailwind.config,
languages: [...CSS_TYPES, 'postcss', 'vue']
})
)
this._disposable = vscode.Disposable.from(...this._providers)
}
dispose() {
if (this._disposable) {
this._disposable.dispose()
}
}
}
function pad(n) {
return ('00000000' + n).substr(-8)
}
function naturalExpand(a: string) {
return a.replace(/\d+/g, pad)
}
function stringifyArray(arr: Array<any>): string {
return arr
.reduce((acc, curr) => {
let str = curr.toString()
if (str.includes(' ')) {
acc.push(`"${str.replace(/\s\s+/g, ' ')}"`)
} else {
acc.push(str)
}
return acc
}, [])
.join(', ')
}
function escapeClassName(className) {
return className.replace(/([^A-Za-z0-9\-])/g, '\\$1')
}
function getColorFromDecl(cssStr: string) {
let matches = cssStr.match(/: ([^;]+);/g)
if (matches === null || matches.length > 1) return
let color = matches[0].slice(2, -1).trim()
return getColorFromValue(color)
}
function getColorFromValue(value: string) {
if (value === 'transparent') {
return 'rgba(0, 0, 0, 0.01)'
}
try {
let parsed = Color(value)
if (parsed.valpha === 0) return 'rgba(0, 0, 0, 0.01)'
return parsed.rgb().string()
} catch (err) {
return
}
}
function createScreenCompletionItemProvider({
languages,
config
}): vscode.Disposable {
return vscode.languages.registerCompletionItemProvider(
languages,
{
provideCompletionItems: (
document: vscode.TextDocument,
position: vscode.Position
): vscode.CompletionItem[] => {
let range: vscode.Range = new vscode.Range(
new vscode.Position(0, 0),
position
)
let text: string = document.getText(range)
if (
document.languageId === 'vue' &&
!(text.indexOf('<style') !== -1 && text.indexOf('</style>') === -1)
)
return []
let line = text.split(/[\n\r]/).pop()
if (/@screen $/.test(line)) {
return Object.keys(dlv(config, 'screens', {})).map((screen, i) => {
let item = new vscode.CompletionItem(
screen,
vscode.CompletionItemKind.Constant
)
item.insertText = new vscode.SnippetString(`${screen} {\n\t$0\n}`)
item.detail =
typeof config.screens[screen] === 'string'
? config.screens[screen]
: ''
item.sortText = naturalExpand(i.toString())
return item
})
}
return []
}
},
' '
)
}
function isWithinTemplate(text: string) {
let regex = /(<\/?template\b)/g
let match
let d = 0
while ((match = regex.exec(text)) !== null) {
d += match[0] === '</template' ? -1 : 1
}
return d !== 0
}
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