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Resolves references in tsconfig.json #349

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Resolves references in tsconfig.json #349

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5255e9c
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alex-kinokon Feb 17, 2025
58b787f
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alex-kinokon Feb 17, 2025
6c2f36c
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alex-kinokon Feb 17, 2025
978f478
TDZ fix
alex-kinokon Feb 17, 2025
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142 changes: 83 additions & 59 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import isNodeCoreModule from '@nolyfill/is-core-module'
import debug from 'debug'
import type { FileSystem, ResolveOptions, Resolver } from 'enhanced-resolve'
import enhancedResolve from 'enhanced-resolve'
import { createPathsMatcher, getTsconfig } from 'get-tsconfig'
import { createPathsMatcher, getTsconfig, parseTsconfig } from 'get-tsconfig'
import type { TsConfigResult } from 'get-tsconfig'
import type { Version } from 'is-bun-module'
import { isBunModule } from 'is-bun-module'
Expand Down Expand Up @@ -111,10 +111,14 @@ let cachedOptions: InternalResolverOptions | undefined
let prevCwd: string

let mappersCachedOptions: InternalResolverOptions
let mappers: Array<{
let mappers: Mapper[] = []

type MapperFn = NonNullable<ReturnType<typeof createPathsMatcher>>

interface Mapper {
files: Set<string>
mapperFn: NonNullable<ReturnType<typeof createPathsMatcher>>
}> = []
mapperFn: MapperFn
}

let resolverCachedOptions: InternalResolverOptions
let cachedResolver: Resolver | undefined
Expand Down Expand Up @@ -386,8 +390,8 @@ function initMappers(options: InternalResolverOptions) {
typeof options.project === 'string'
? [options.project]
: Array.isArray(options.project)
? options.project
: [process.cwd()]
? options.project
: [process.cwd()]
) // 'tinyglobby' pattern must have POSIX separator
.map(config => replacePathSeparator(config, path.sep, path.posix.sep))

Expand All @@ -410,8 +414,10 @@ function initMappers(options: InternalResolverOptions) {
]),
]

const processedPaths = new Set<string>()

mappers = projectPaths
.map(projectPath => {
.flatMap(projectPath => {
let tsconfigResult: TsConfigResult | null

if (isFile(projectPath)) {
Expand All @@ -421,65 +427,83 @@ function initMappers(options: InternalResolverOptions) {
tsconfigResult = getTsconfig(projectPath)
}

if (!tsconfigResult) {
// eslint-disable-next-line unicorn/no-useless-undefined
return undefined
}
return getMapper(tsconfigResult)
})
.filter(isDefined)

const mapperFn = createPathsMatcher(tsconfigResult)
function getMapper(tsconfigResult: TsConfigResult | null): Mapper[] {
const list: Mapper[] = []

if (!mapperFn) {
// eslint-disable-next-line unicorn/no-useless-undefined
return undefined
}
if (!tsconfigResult) {
return list
}

processedPaths.add(tsconfigResult.path)

if (tsconfigResult.config.references) {
const references = tsconfigResult.config.references
.map(ref => path.resolve(path.dirname(tsconfigResult.path), ref.path))
.filter(path => !processedPaths.has(path))
.map(path => ({ path, config: parseTsconfig(path) }))

const files =
tsconfigResult.config.files === undefined &&
tsconfigResult.config.include === undefined
? // Include everything if no files or include options
globSync(defaultInclude, {
ignore: [
...(tsconfigResult.config.exclude ?? []),
...defaultIgnore,
],
absolute: true,
cwd: path.dirname(tsconfigResult.path),
})
: [
// https://www.typescriptlang.org/tsconfig/#files
...(tsconfigResult.config.files !== undefined &&
tsconfigResult.config.files.length > 0
? tsconfigResult.config.files.map(file =>
path.normalize(
path.resolve(path.dirname(tsconfigResult!.path), file),
),
)
: []),
// https://www.typescriptlang.org/tsconfig/#include
...(tsconfigResult.config.include !== undefined &&
tsconfigResult.config.include.length > 0
? globSync(tsconfigResult.config.include, {
ignore: [
...(tsconfigResult.config.exclude ?? []),
...defaultIgnore,
],
absolute: true,
})
: []),
]

if (files.length === 0) {
// eslint-disable-next-line unicorn/no-useless-undefined
return undefined
for (const ref of references) {
list.push(...getMapper(ref))
}
}

const mapperFn = createPathsMatcher(tsconfigResult)

if (!mapperFn) {
return list
}

const files =
tsconfigResult.config.files === undefined &&
tsconfigResult.config.include === undefined
? // Include everything if no files or include options
globSync(defaultInclude, {
ignore: [
...(tsconfigResult.config.exclude ?? []),
...defaultIgnore,
],
absolute: true,
cwd: path.dirname(tsconfigResult.path),
})
: [
// https://www.typescriptlang.org/tsconfig/#files
...(tsconfigResult.config.files !== undefined &&
tsconfigResult.config.files.length > 0
? tsconfigResult.config.files.map(file =>
path.normalize(
path.resolve(path.dirname(tsconfigResult!.path), file),
),
)
: []),
// https://www.typescriptlang.org/tsconfig/#include
...(tsconfigResult.config.include !== undefined &&
tsconfigResult.config.include.length > 0
? globSync(tsconfigResult.config.include, {
ignore: [
...(tsconfigResult.config.exclude ?? []),
...defaultIgnore,
],
absolute: true,
})
: []),
]

if (files.length === 0) {
return list
}

return {
return [
...list,
{
files: new Set(files.map(toNativePathSeparator)),
mapperFn,
}
})
.filter(isDefined)

},
]
}
mappersCachedOptions = options
}

Expand Down
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