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import { State, Settings } from '../util/state'
import type { TextDocument, Range, DiagnosticSeverity } from 'vscode-languageserver'
import { InvalidConfigPathDiagnostic, DiagnosticKind } from './types'
import { isCssDoc } from '../util/css'
import { getLanguageBoundaries } from '../util/getLanguageBoundaries'
import { findAll, indexToPosition } from '../util/find'
import { stringToPath } from '../util/stringToPath'
import isObject from '../util/isObject'
import { closest } from '../util/closest'
import { absoluteRange } from '../util/absoluteRange'
import { combinations } from '../util/combinations'
const dlv = require('dlv')
function pathToString(path: string | string[]): string {
if (typeof path === 'string') return path
return path.reduce((acc, cur, i) => {
if (i === 0) return cur
if (cur.includes('.')) return `${acc}[${cur}]`
return `${acc}.${cur}`
}, '')
}
function validateConfigPath(
state: State,
path: string | string[],
base: string[] = []
):
| { isValid: true; value: any }
| { isValid: false; reason: string; suggestions: string[] } {
let keys = Array.isArray(path) ? path : stringToPath(path)
let value = dlv(state.config, [...base, ...keys])
let suggestions: string[] = []
function findAlternativePath(): string[] {
let points = combinations('123456789'.substr(0, keys.length - 1)).map((x) =>
x.split('').map((x) => parseInt(x, 10))
)
let possibilities: string[][] = points
.map((p) => {
let result = []
let i = 0
p.forEach((x) => {
result.push(keys.slice(i, x).join('.'))
i = x
})
result.push(keys.slice(i).join('.'))
return result
})
.slice(1) // skip original path
return possibilities.find(
(possibility) => validateConfigPath(state, possibility, base).isValid
)
}
if (typeof value === 'undefined') {
let reason = `'${pathToString(path)}' does not exist in your theme config.`
let parentPath = [...base, ...keys.slice(0, keys.length - 1)]
let parentValue = dlv(state.config, parentPath)
if (isObject(parentValue)) {
let closestValidKey = closest(
keys[keys.length - 1],
Object.keys(parentValue).filter(
(key) => validateConfigPath(state, [...parentPath, key]).isValid
)
)
if (closestValidKey) {
suggestions.push(
pathToString([...keys.slice(0, keys.length - 1), closestValidKey])
)
reason += ` Did you mean '${suggestions[0]}'?`
}
} else {
let altPath = findAlternativePath()
if (altPath) {
return {
isValid: false,
reason: `${reason} Did you mean '${pathToString(altPath)}'?`,
suggestions: [pathToString(altPath)],
}
}
}
return {
isValid: false,
reason,
suggestions,
}
}
if (
!(
typeof value === 'string' ||
typeof value === 'number' ||
value instanceof String ||
value instanceof Number ||
Array.isArray(value)
)
) {
let reason = `'${pathToString(
path
)}' was found but does not resolve to a string.`
if (isObject(value)) {
let validKeys = Object.keys(value).filter(
(key) => validateConfigPath(state, [...keys, key], base).isValid
)
if (validKeys.length) {
suggestions.push(
...validKeys.map((validKey) => pathToString([...keys, validKey]))
)
reason += ` Did you mean something like '${suggestions[0]}'?`
}
}
return {
isValid: false,
reason,
suggestions,
}
}
// The value resolves successfully, but we need to check that there
// wasn't any funny business. If you have a theme object:
// { msg: 'hello' } and do theme('msg.0')
// this will resolve to 'h', which is probably not intentional, so we
// check that all of the keys are object or array keys (i.e. not string
// indexes)
let isValid = true
for (let i = keys.length - 1; i >= 0; i--) {
let key = keys[i]
let parentValue = dlv(state.config, [...base, ...keys.slice(0, i)])
if (/^[0-9]+$/.test(key)) {
if (!isObject(parentValue) && !Array.isArray(parentValue)) {
isValid = false
break
}
} else if (!isObject(parentValue)) {
isValid = false
break
}
}
if (!isValid) {
let reason = `'${pathToString(path)}' does not exist in your theme config.`
let altPath = findAlternativePath()
if (altPath) {
return {
isValid: false,
reason: `${reason} Did you mean '${pathToString(altPath)}'?`,
suggestions: [pathToString(altPath)],
}
}
return {
isValid: false,
reason,
suggestions: [],
}
}
return {
isValid: true,
value,
}
}
export function getInvalidConfigPathDiagnostics(
state: State,
document: TextDocument,
settings: Settings
): InvalidConfigPathDiagnostic[] {
let severity = settings.lint.invalidConfigPath
if (severity === 'ignore') return []
let diagnostics: InvalidConfigPathDiagnostic[] = []
let ranges: Range[] = []
if (isCssDoc(state, document)) {
ranges.push(undefined)
} else {
let boundaries = getLanguageBoundaries(state, document)
if (!boundaries) return []
ranges.push(...boundaries.css)
}
ranges.forEach((range) => {
let text = document.getText(range)
let matches = findAll(
/(?<prefix>\s|^)(?<helper>config|theme)\((?<quote>['"])(?<key>[^)]+)\k<quote>\)/g,
text
)
matches.forEach((match) => {
let base = match.groups.helper === 'theme' ? ['theme'] : []
let result = validateConfigPath(state, match.groups.key, base)
if (result.isValid === true) {
return null
}
let startIndex =
match.index +
match.groups.prefix.length +
match.groups.helper.length +
1 + // open paren
match.groups.quote.length
diagnostics.push({
code: DiagnosticKind.InvalidConfigPath,
range: absoluteRange(
{
start: indexToPosition(text, startIndex),
end: indexToPosition(text, startIndex + match.groups.key.length),
},
range
),
severity:
severity === 'error'
? 1 /* DiagnosticSeverity.Error */
: 2 /* DiagnosticSeverity.Warning */,
message: result.reason,
suggestions: result.suggestions,
})
})
})
return diagnostics
}
|