/
external.ts
50 lines (46 loc) · 1.23 KB
/
external.ts
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import { Plugin } from 'esbuild'
import { tsconfigPathsToRegExp, match } from 'bundle-require'
// Must not start with "/" or "./" or "../"
const NON_NODE_MODULE_RE = /^[^.\/]|^\.[^.\/]|^\.\.[^\/]/
export const externalPlugin = ({
external,
noExternal,
skipNodeModulesBundle,
tsconfigResolvePaths,
}: {
external?: (string | RegExp)[]
noExternal?: (string | RegExp)[]
skipNodeModulesBundle?: boolean
tsconfigResolvePaths?: Record<string, any>
}): Plugin => {
return {
name: `external`,
setup(build) {
if (skipNodeModulesBundle) {
const resolvePatterns = tsconfigPathsToRegExp(
tsconfigResolvePaths || {}
)
build.onResolve({ filter: /.*/ }, (args) => {
// Resolve `paths` from tsconfig
if (match(args.path, resolvePatterns)) {
return
}
if (NON_NODE_MODULE_RE.test(args.path)) {
return {
path: args.path,
external: true,
}
}
})
}
build.onResolve({ filter: /.*/ }, (args) => {
if (match(args.path, noExternal)) {
return
}
if (match(args.path, external)) {
return { external: true }
}
})
},
}
}