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import {
CodeAction,
CodeActionParams,
CodeActionKind,
Range,
TextEdit,
} from 'vscode-languageserver'
import { State } from '../../util/state'
import { findLast } from '../../util/find'
import { isWithinRange } from '../../util/isWithinRange'
import { getClassNameParts } from '../../util/getClassNameAtPosition'
const dlv = require('dlv')
import dset from 'dset'
import { removeRangesFromString } from '../../util/removeRangesFromString'
import detectIndent from 'detect-indent'
import { cssObjToAst } from '../../util/cssObjToAst'
import isObject from '../../../util/isObject'
import { getDiagnostics } from '../diagnostics/diagnosticsProvider'
import { rangesEqual } from '../../util/rangesEqual'
import {
DiagnosticKind,
isInvalidApplyDiagnostic,
AugmentedDiagnostic,
InvalidApplyDiagnostic,
isUtilityConflictsDiagnostic,
UtilityConflictsDiagnostic,
isInvalidConfigPathDiagnostic,
isInvalidTailwindDirectiveDiagnostic,
isInvalidScreenDiagnostic,
isInvalidVariantDiagnostic,
} from '../diagnostics/types'
import { flatten, dedupeBy } from '../../../util/array'
import { joinWithAnd } from '../../util/joinWithAnd'
async function getDiagnosticsFromCodeActionParams(
state: State,
params: CodeActionParams,
only?: DiagnosticKind[]
): Promise<AugmentedDiagnostic[]> {
let document = state.editor.documents.get(params.textDocument.uri)
let diagnostics = await getDiagnostics(state, document, only)
return params.context.diagnostics
.map((diagnostic) => {
return diagnostics.find((d) => {
return (
d.code === diagnostic.code &&
d.message === diagnostic.message &&
rangesEqual(d.range, diagnostic.range)
)
})
})
.filter(Boolean)
}
export async function provideCodeActions(
state: State,
params: CodeActionParams
): Promise<CodeAction[]> {
let codes = params.context.diagnostics
.map((diagnostic) => diagnostic.code)
.filter(Boolean) as DiagnosticKind[]
let diagnostics = await getDiagnosticsFromCodeActionParams(
state,
params,
codes
)
let actions = diagnostics.map((diagnostic) => {
if (isInvalidApplyDiagnostic(diagnostic)) {
return provideInvalidApplyCodeActions(state, params, diagnostic)
}
if (isUtilityConflictsDiagnostic(diagnostic)) {
return provideUtilityConflictsCodeActions(state, params, diagnostic)
}
if (
isInvalidConfigPathDiagnostic(diagnostic) ||
isInvalidTailwindDirectiveDiagnostic(diagnostic) ||
isInvalidScreenDiagnostic(diagnostic) ||
isInvalidVariantDiagnostic(diagnostic)
) {
return diagnostic.suggestions.map((suggestion) => ({
title: `Replace with '${suggestion}'`,
kind: CodeActionKind.QuickFix,
diagnostics: [diagnostic],
edit: {
changes: {
[params.textDocument.uri]: [
{
range: diagnostic.range,
newText: suggestion,
},
],
},
},
}))
}
return []
})
return Promise.all(actions)
.then(flatten)
.then((x) => dedupeBy(x, (item) => JSON.stringify(item.edit)))
}
function classNameToAst(
state: State,
className: string,
selector: string = `.${className}`,
important: boolean = false
) {
const parts = getClassNameParts(state, className)
if (!parts) {
return null
}
const baseClassName = dlv(
state.classNames.classNames,
parts[parts.length - 1]
)
if (!baseClassName) {
return null
}
const info = dlv(state.classNames.classNames, parts)
let context = info.__context || []
let pseudo = info.__pseudo || []
const globalContexts = state.classNames.context
let screens = dlv(
state.config,
'theme.screens',
dlv(state.config, 'screens', {})
)
if (!isObject(screens)) screens = {}
screens = Object.keys(screens)
const path = []
for (let i = 0; i < parts.length - 1; i++) {
let part = parts[i]
let common = globalContexts[part]
if (!common) return null
if (screens.includes(part)) {
path.push(`@screen ${part}`)
context = context.filter((con) => !common.includes(con))
}
}
path.push(...context)
let obj = {}
for (let i = 1; i <= path.length; i++) {
dset(obj, path.slice(0, i), {})
}
let rule = {
// TODO: use proper selector parser
[selector + pseudo.join('')]: {
[`@apply ${parts[parts.length - 1]}${
important ? ' !important' : ''
}`]: '',
},
}
if (path.length) {
dset(obj, path, rule)
} else {
obj = rule
}
return cssObjToAst(obj, state.modules.postcss)
}
async function provideUtilityConflictsCodeActions(
state: State,
params: CodeActionParams,
diagnostic: UtilityConflictsDiagnostic
): Promise<CodeAction[]> {
return [
{
title: `Delete ${joinWithAnd(
diagnostic.otherClassNames.map(
(otherClassName) => `'${otherClassName.className}'`
)
)}`,
kind: CodeActionKind.QuickFix,
diagnostics: [diagnostic],
edit: {
changes: {
[params.textDocument.uri]: [
{
range: diagnostic.className.classList.range,
newText: removeRangesFromString(
diagnostic.className.classList.classList,
diagnostic.otherClassNames.map(
(otherClassName) => otherClassName.relativeRange
)
),
},
],
},
},
},
]
}
async function provideInvalidApplyCodeActions(
state: State,
params: CodeActionParams,
diagnostic: InvalidApplyDiagnostic
): Promise<CodeAction[]> {
let document = state.editor.documents.get(params.textDocument.uri)
let documentText = document.getText()
const { postcss } = state.modules
let change: TextEdit
let totalClassNamesInClassList = diagnostic.className.classList.classList.split(
/\s+/
).length
await postcss([
postcss.plugin('', (_options = {}) => {
return (root) => {
root.walkRules((rule) => {
if (change) return false
rule.walkAtRules('apply', (atRule) => {
let { start, end } = atRule.source
let range: Range = {
start: {
line: start.line - 1,
character: start.column - 1,
},
end: {
line: end.line - 1,
character: end.column - 1,
},
}
if (!isWithinRange(diagnostic.range.start, range)) {
// keep looking
return true
}
let className = document.getText(diagnostic.range)
let ast = classNameToAst(
state,
className,
rule.selector,
diagnostic.className.classList.important
)
if (!ast) {
return false
}
rule.after(ast.nodes)
let insertedRule = rule.next()
if (totalClassNamesInClassList === 1) {
atRule.remove()
}
let outputIndent: string
let documentIndent = detectIndent(documentText)
change = {
range: {
start: {
line: rule.source.start.line - 1,
character: rule.source.start.column - 1,
},
end: {
line: rule.source.end.line - 1,
character: rule.source.end.column,
},
},
newText:
rule.toString() +
(insertedRule.raws.before || '\n\n') +
insertedRule
.toString()
.replace(/\n\s*\n/g, '\n')
.replace(/(@apply [^;\n]+)$/gm, '$1;')
.replace(/([^\s^]){$/gm, '$1 {')
.replace(/^\s+/gm, (m: string) => {
if (typeof outputIndent === 'undefined') outputIndent = m
return m.replace(
new RegExp(outputIndent, 'g'),
documentIndent.indent
)
}),
}
return false
})
})
}
}),
]).process(documentText, { from: undefined })
if (!change) {
return []
}
return [
{
title: 'Extract to new rule',
kind: CodeActionKind.QuickFix,
diagnostics: [diagnostic],
edit: {
changes: {
[params.textDocument.uri]: [
...(totalClassNamesInClassList > 1
? [
{
range: diagnostic.className.classList.range,
newText: removeRangesFromString(
diagnostic.className.classList.classList,
diagnostic.className.relativeRange
),
},
]
: []),
change,
],
},
},
},
]
}
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