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import { State } from '../util/state'
import {
CompletionItem,
CompletionItemKind,
CompletionParams,
Range,
MarkupKind,
CompletionList,
} from 'vscode-languageserver'
const dlv = require('dlv')
import removeMeta from '../util/removeMeta'
import { getColor, getColorFromString } from '../util/color'
import { isHtmlContext } from '../util/html'
import { isCssContext } from '../util/css'
import { findLast, findJsxStrings, arrFindLast } from '../util/find'
import { stringifyConfigValue, stringifyCss } from '../util/stringify'
import isObject from '../util/isObject'
import * as emmetHelper from 'emmet-helper'
import { isValidLocationForEmmetAbbreviation } from '../util/isValidLocationForEmmetAbbreviation'
import { getDocumentSettings } from '../util/getDocumentSettings'
import { isJsContext } from '../util/js'
function completionsFromClassList(
state: State,
classList: string,
classListRange: Range
): CompletionList {
let classNames = classList.split(/[\s+]/)
const partialClassName = classNames[classNames.length - 1]
// TODO
let sep = ':'
let parts = partialClassName.split(sep)
let subset: any
let subsetKey: string[] = []
let isSubset: boolean = false
let replacementRange = {
...classListRange,
start: {
...classListRange.start,
character: classListRange.end.character - partialClassName.length,
},
}
for (let i = parts.length - 1; i > 0; i--) {
let keys = parts.slice(0, i).filter(Boolean)
subset = dlv(state.classNames.classNames, keys)
if (typeof subset !== 'undefined' && typeof subset.__rule === 'undefined') {
isSubset = true
subsetKey = keys
replacementRange = {
...replacementRange,
start: {
...replacementRange.start,
character:
replacementRange.start.character +
keys.join(sep).length +
sep.length,
},
}
break
}
}
return {
isIncomplete: false,
items: Object.keys(isSubset ? subset : state.classNames.classNames).map(
(className) => {
let kind: CompletionItemKind = CompletionItemKind.Constant
let documentation: string = null
if (isContextItem(state, [...subsetKey, className])) {
kind = CompletionItemKind.Module
} else {
const color = getColor(state, [className])
if (color) {
kind = CompletionItemKind.Color
documentation = color
}
}
return {
label: className,
kind,
documentation,
data: [...subsetKey, className],
textEdit: {
newText: className,
range: replacementRange,
},
}
}
),
}
}
function provideClassAttributeCompletions(
state: State,
{ context, position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
let str = doc.getText({
start: { line: Math.max(position.line - 10, 0), character: 0 },
end: position,
})
const match = findLast(/\bclass(?:Name)?=(?<initial>['"`{])/gi, str)
if (match === null) {
return null
}
const rest = str.substr(match.index + match[0].length)
if (match.groups.initial === '{') {
const strings = findJsxStrings('{' + rest)
const lastOpenString = arrFindLast(
strings,
(string) => typeof string.end === 'undefined'
)
if (lastOpenString) {
const classList = str.substr(
str.length - rest.length + lastOpenString.start - 1
)
return completionsFromClassList(state, classList, {
start: {
line: position.line,
character: position.character - classList.length,
},
end: position,
})
}
return null
}
if (rest.indexOf(match.groups.initial) !== -1) {
return null
}
return completionsFromClassList(state, rest, {
start: {
line: position.line,
character: position.character - rest.length,
},
end: position,
})
}
function provideAtApplyCompletions(
state: State,
{ context, position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
let str = doc.getText({
start: { line: Math.max(position.line - 30, 0), character: 0 },
end: position,
})
const match = findLast(/@apply\s+(?<classList>[^;}]*)$/gi, str)
if (match === null) {
return null
}
const classList = match.groups.classList
return completionsFromClassList(state, classList, {
start: {
line: position.line,
character: position.character - classList.length,
},
end: position,
})
}
function provideClassNameCompletions(
state: State,
params: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(params.textDocument.uri)
if (
isHtmlContext(doc, params.position) ||
isJsContext(doc, params.position)
) {
return provideClassAttributeCompletions(state, params)
}
if (isCssContext(doc, params.position)) {
return provideAtApplyCompletions(state, params)
}
return null
}
function provideCssHelperCompletions(
state: State,
{ position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
if (!isCssContext(doc, position)) {
return null
}
let text = doc.getText({
start: { line: position.line, character: 0 },
// read one extra character so we can see if it's a ] later
end: { line: position.line, character: position.character + 1 },
})
const match = text
.substr(0, text.length - 1) // don't include that extra character from earlier
.match(/\b(?<helper>config|theme)\(['"](?<keys>[^'"]*)$/)
if (match === null) {
return null
}
let base =
match.groups.helper === 'config'
? state.config
: dlv(state.config, 'theme', {})
let parts = match.groups.keys.split(/([\[\].]+)/)
let keys = parts.filter((_, i) => i % 2 === 0)
let separators = parts.filter((_, i) => i % 2 !== 0)
// let obj =
// keys.length === 1 ? base : dlv(base, keys.slice(0, keys.length - 1), {})
// if (!isObject(obj)) return null
function totalLength(arr: string[]): number {
return arr.reduce((acc, cur) => acc + cur.length, 0)
}
let obj: any
let offset: number = 0
let separator: string = separators.length
? separators[separators.length - 1]
: null
if (keys.length === 1) {
obj = base
} else {
for (let i = keys.length - 1; i > 0; i--) {
let o = dlv(base, keys.slice(0, i))
if (isObject(o)) {
obj = o
offset = totalLength(parts.slice(i * 2))
separator = separators[i - 1]
break
}
}
}
if (!obj) return null
return {
isIncomplete: false,
items: Object.keys(obj).map((item) => {
let color = getColorFromString(obj[item])
const replaceDot: boolean =
item.indexOf('.') !== -1 && separator && separator.endsWith('.')
const insertClosingBrace: boolean =
text.charAt(text.length - 1) !== ']' &&
(replaceDot || (separator && separator.endsWith('[')))
return {
label: item,
filterText: `${replaceDot ? '.' : ''}${item}`,
kind: color
? CompletionItemKind.Color
: isObject(obj[item])
? CompletionItemKind.Module
: CompletionItemKind.Property,
detail: stringifyConfigValue(obj[item]),
documentation: color,
textEdit: {
newText: `${replaceDot ? '[' : ''}${item}${
insertClosingBrace ? ']' : ''
}`,
range: {
start: {
line: position.line,
character:
position.character -
keys[keys.length - 1].length -
(replaceDot ? 1 : 0) -
offset,
},
end: position,
},
},
data: 'helper',
}
}),
}
}
function provideVariantsDirectiveCompletions(
state: State,
{ position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
if (!isCssContext(doc, position)) {
return null
}
let text = doc.getText({
start: { line: position.line, character: 0 },
end: position,
})
const match = text.match(/^\s*@variants\s+(?<partial>[^}]*)$/i)
if (match === null) return null
const parts = match.groups.partial.split(/\s*,\s*/)
if (/\s+/.test(parts[parts.length - 1])) return null
const existingVariants = parts.slice(0, parts.length - 1)
return {
isIncomplete: false,
items: state.variants
.filter((v) => existingVariants.indexOf(v) === -1)
.map((variant) => ({
// TODO: detail
label: variant,
kind: CompletionItemKind.Constant,
data: 'variant',
textEdit: {
newText: variant,
range: {
start: {
line: position.line,
character: position.character - parts[parts.length - 1].length,
},
end: position,
},
},
})),
}
}
function provideScreenDirectiveCompletions(
state: State,
{ position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
if (!isCssContext(doc, position)) {
return null
}
let text = doc.getText({
start: { line: position.line, character: 0 },
end: position,
})
const match = text.match(/^\s*@screen\s+(?<partial>[^\s]*)$/i)
if (match === null) return null
const screens = dlv(
state.config,
['screens'],
dlv(state.config, ['theme', 'screens'], {})
)
if (!isObject(screens)) return null
return {
isIncomplete: false,
items: Object.keys(screens).map((screen) => ({
label: screen,
kind: CompletionItemKind.Constant,
textEdit: {
newText: screen,
range: {
start: {
line: position.line,
character: position.character - match.groups.partial.length,
},
end: position,
},
},
})),
}
}
function provideCssDirectiveCompletions(
state: State,
{ position, textDocument }: CompletionParams
): CompletionList {
let doc = state.editor.documents.get(textDocument.uri)
if (!isCssContext(doc, position)) {
return null
}
let text = doc.getText({
start: { line: position.line, character: 0 },
end: position,
})
const match = text.match(/^\s*@(?<partial>[a-z]*)$/i)
if (match === null) return null
const items: CompletionItem[] = [
{
label: '@tailwind',
documentation: {
kind: MarkupKind.Markdown,
value:
'Use the `@tailwind` directive to insert Tailwind’s `base`, `components`, `utilities` and `screens` styles into your CSS.\n\n[Tailwind CSS Documentation](https://tailwindcss.com/docs/functions-and-directives#tailwind)',
},
},
{
label: '@variants',
documentation: {
kind: MarkupKind.Markdown,
value:
'You can generate `responsive`, `hover`, `focus`, `active`, and `group-hover` versions of your own utilities by wrapping their definitions in the `@variants` directive.\n\n[Tailwind CSS Documentation](https://tailwindcss.com/docs/functions-and-directives#variants)',
},
},
{
label: '@responsive',
documentation: {
kind: MarkupKind.Markdown,
value:
'You can generate responsive variants of your own classes by wrapping their definitions in the `@responsive` directive.\n\n[Tailwind CSS Documentation](https://tailwindcss.com/docs/functions-and-directives#responsive)',
},
},
{
label: '@screen',
documentation: {
kind: MarkupKind.Markdown,
value:
'The `@screen` directive allows you to create media queries that reference your breakpoints by name instead of duplicating their values in your own CSS.\n\n[Tailwind CSS Documentation](https://tailwindcss.com/docs/functions-and-directives#screen)',
},
},
{
label: '@apply',
documentation: {
kind: MarkupKind.Markdown,
value:
'Use `@apply` to inline any existing utility classes into your own custom CSS.\n\n[Tailwind CSS Documentation](https://tailwindcss.com/docs/functions-and-directives#apply)',
},
},
]
return {
isIncomplete: false,
items: items.map((item) => ({
...item,
kind: CompletionItemKind.Keyword,
data: 'directive',
textEdit: {
newText: item.label,
range: {
start: {
line: position.line,
character: position.character - match.groups.partial.length - 1,
},
end: position,
},
},
})),
}
}
async function provideEmmetCompletions(
state: State,
{ position, textDocument }: CompletionParams
): Promise<CompletionList> {
let settings = await getDocumentSettings(state, textDocument.uri)
if (settings.emmetCompletions !== true) return null
let doc = state.editor.documents.get(textDocument.uri)
const syntax = isHtmlContext(doc, position)
? 'html'
: isJsContext(doc, position)
? 'jsx'
: null
if (syntax === null) {
return null
}
const extractAbbreviationResults = emmetHelper.extractAbbreviation(
doc,
position,
true
)
if (
!extractAbbreviationResults ||
!emmetHelper.isAbbreviationValid(
syntax,
extractAbbreviationResults.abbreviation
)
) {
return null
}
if (
!isValidLocationForEmmetAbbreviation(
doc,
extractAbbreviationResults.abbreviationRange
)
) {
return null
}
const emmetItems = emmetHelper.doComplete(doc, position, syntax, {})
if (!emmetItems || !emmetItems.items || emmetItems.items.length !== 1) {
return null
}
// https://github.com/microsoft/vscode/issues/86941
if (emmetItems.items[0].label === 'widows: ;') {
return null
}
const parts = emmetItems.items[0].label.split('.')
if (parts.length < 2) return null
return completionsFromClassList(state, parts[parts.length - 1], {
start: {
line: position.line,
character: position.character - parts[parts.length - 1].length,
},
end: position,
})
}
export async function provideCompletions(
state: State,
params: CompletionParams
): Promise<CompletionList> {
if (state === null) return { items: [], isIncomplete: false }
const result =
provideClassNameCompletions(state, params) ||
provideCssHelperCompletions(state, params) ||
provideCssDirectiveCompletions(state, params) ||
provideScreenDirectiveCompletions(state, params) ||
provideVariantsDirectiveCompletions(state, params)
if (result) return result
return provideEmmetCompletions(state, params)
}
export function resolveCompletionItem(
state: State,
item: CompletionItem
): CompletionItem {
if (
item.data === 'helper' ||
item.data === 'directive' ||
item.data === 'variant'
) {
return item
}
const className = dlv(state.classNames.classNames, item.data)
if (isContextItem(state, item.data)) {
item.detail = state.classNames.context[
item.data[item.data.length - 1]
].join(', ')
} else {
item.detail = getCssDetail(state, className)
if (!item.documentation) {
const css = stringifyCss(item.data.join(':'), className)
if (css) {
item.documentation = {
kind: MarkupKind.Markdown,
value: ['```css', css, '```'].join('\n'),
}
}
}
}
return item
}
function isContextItem(state: State, keys: string[]): boolean {
const item = dlv(state.classNames.classNames, keys)
return Boolean(
isObject(item) &&
!item.__rule &&
!Array.isArray(item) &&
state.classNames.context[keys[keys.length - 1]]
)
}
function stringifyDecls(obj: any): string {
return Object.keys(obj)
.map((prop) => {
return `${prop}: ${obj[prop]};`
})
.join(' ')
}
function getCssDetail(state: State, className: any): string {
if (Array.isArray(className)) {
return `${className.length} rules`
}
if (className.__rule === true) {
return stringifyDecls(removeMeta(className))
}
return null
}
|