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typescript.ts
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typescript.ts
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import { join } from 'node:path'
import { cwd } from 'node:process'
import { GLOB_MARKDOWN_CODE_BLOCKS, GLOB_TS_MTS, GLOB_TSX_MTSX } from '../globs'
import { PARSER_TS } from '../parsers'
import { PLUGIN_REACT, PLUGIN_TS } from '../plugins'
import { RULE_TS_BASE, RULE_TS_STYLE, RULE_TS_TYPE_AWARE } from '../rules'
import { defineConfigs, find, isPlainObject, isTrue, overrideConfigs } from '../utils'
import { javascript } from './javascript'
type TypeAwareOptions = {
tsConfigPath?: string,
tsConfigRootDir?: string
}
export type TypeScriptConfigOptions = {
tsx?: boolean,
style?: boolean,
typeAware?: boolean | TypeAwareOptions
}
export function typescript(options: TypeScriptConfigOptions = {}) {
const {
tsx = true,
style = true,
typeAware = true
} = options
const isTsxEnabled = isTrue(tsx)
const isStyleEnabled = isTrue(style)
const isTypeAwareEnabled = isTrue(typeAware) || isPlainObject(typeAware)
const {
tsConfigPath = 'tsconfig.json',
tsConfigRootDir = cwd()
} = isPlainObject(typeAware) ? typeAware : {}
if (isTypeAwareEnabled && !find(tsConfigPath, { cwd: tsConfigRootDir })) {
throw new Error(`Type-aware linting is enabled, but the TypeScript configuration file could not be found at path: ${join(tsConfigRootDir, tsConfigPath)}`)
}
const javascriptConfigs = javascript({
jsx: isTsxEnabled,
style: isStyleEnabled
})
const files = isTsxEnabled ? [GLOB_TS_MTS, GLOB_TSX_MTSX] : [GLOB_TS_MTS]
return defineConfigs([
...overrideConfigs(javascriptConfigs, {
base: {
name: 'base',
files,
languageOptions: (original) => ({
...original,
parser: PARSER_TS
}),
plugins: (original) => ({
...original,
[PLUGIN_TS.meta.name]: PLUGIN_TS
}),
rules: (original) => ({
...original,
...RULE_TS_BASE
})
},
jsx: {
name: 'tsx',
files: [GLOB_TSX_MTSX]
},
style: {
name: 'style',
files,
rules: (original) => ({
...original,
...RULE_TS_STYLE
})
}
}, 'javascript'),
isTypeAwareEnabled
? {
name: 'type-aware',
files,
ignores: [GLOB_MARKDOWN_CODE_BLOCKS],
languageOptions: {
parserOptions: {
projectService: {
defaultProject: tsConfigPath,
allowDefaultProject: ['*.js']
},
tsconfigRootDir: tsConfigRootDir
}
},
plugins: {
[PLUGIN_REACT.meta.name]: PLUGIN_REACT
},
rules: {
...RULE_TS_TYPE_AWARE
}
}
: {}
], 'typescript')
}