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feat: ✨ add cwd option #47

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feat: ✨ add cwd option #47

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36 changes: 22 additions & 14 deletions src/esbuild.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import cache from "./cache"
export type TranspileOptions = {
type: "bundle" | "transform"
debug: boolean
cwd?: string
esbuild?: CommonOptions & TransformOptions & BuildOptions
}
const defaultOptions: TranspileOptions = { type: "bundle", debug: false }
Expand All @@ -26,18 +27,6 @@ const commonOptions: CommonOptions = {
sourcemap: "inline",
}

const pkgPath = path.resolve(".", "package.json")
let externals: string[] = []
if (fs.existsSync(pkgPath)) {
const pkg = JSON.parse(
fs.readFileSync(pkgPath, { encoding: "utf-8" })
) as PackageJson
externals = [
...Object.keys(pkg.dependencies ?? {}),
...Object.keys(pkg.devDependencies ?? {}),
]
}

export const loaders: Record<string, Loader> = {
".js": "js",
".mjs": "js",
Expand Down Expand Up @@ -101,7 +90,6 @@ function _bundle(
resolveDir: path.dirname(filename),
loader: loaders[ext],
},
external: [...externals, ...(options?.esbuild?.external ?? [])],
write: false,
})
.outputFiles.map((f) => f.text)
Expand All @@ -113,7 +101,27 @@ export function transpile(
filename: string,
_options?: Partial<TranspileOptions>
): string {
const options: TranspileOptions = { ...defaultOptions, ..._options }
const pkgPath = path.resolve(_options?.cwd ?? ".", "package.json")
let externals: string[] = []
if (fs.existsSync(pkgPath)) {
const pkg = JSON.parse(
fs.readFileSync(pkgPath, { encoding: "utf-8" })
) as PackageJson
externals = [
...Object.keys(pkg.dependencies ?? {}),
...Object.keys(pkg.devDependencies ?? {}),
]
} else if (_options?.cwd) {
throw new Error(`No package.json found in ${_options?.cwd}`)
}
const options: TranspileOptions = {
...defaultOptions,
..._options,
esbuild: {
..._options?.esbuild,
external: [...externals, ...(_options?.esbuild?.external ?? [])],
},
}
if (options.type == "bundle") {
// eslint-disable-next-line no-console
if (options.debug) console.log(`📦 ${filename}`)
Expand Down