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refactor: better support typescript (#372)
* refactor: better support typescript * ci: use 4.1.0 to check * fixup * refactor: use x ?? (x = y) instead of x ??= y * ci: revert ci change
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| 'use strict' | ||
| // TODO: change x ?? (x = y) to x ??= y when next major | ||
|
|
||
| // runtime cache | ||
| const cache = {} | ||
|
|
||
| let processArgv | ||
| function checkProcessArgv (moduleName) { | ||
| /* istanbul ignore next - nullish needed for non Node.js runtime */ | ||
| processArgv ?? (processArgv = (process.execArgv ?? []).concat(process.argv ?? [])) | ||
| return processArgv.some((arg) => arg.indexOf(moduleName) >= 0) | ||
| } | ||
|
|
||
| let preloadModules | ||
| function checkPreloadModules (moduleName) { | ||
| /* istanbul ignore next - nullish needed for non Node.js runtime */ | ||
| preloadModules ?? (preloadModules = (process._preload_modules ?? [])) | ||
| return preloadModules.includes(moduleName) | ||
| } | ||
|
|
||
| let preloadModulesString | ||
| function checkPreloadModulesString (moduleName) { | ||
| preloadModulesString ?? (preloadModulesString = preloadModules.toString()) | ||
| return preloadModulesString.includes(moduleName) | ||
| } | ||
|
|
||
| function checkEnvVariable (name, value) { | ||
| return value | ||
| ? process.env[name] === value | ||
| : process.env[name] !== undefined | ||
| } | ||
|
|
||
| const runtime = {} | ||
| // use Object.defineProperties to provide lazy load | ||
| Object.defineProperties(runtime, { | ||
| tsNode: { | ||
| get () { | ||
| cache.tsNode ?? (cache.tsNode = ( | ||
| // --require tsnode/register | ||
| (Symbol.for('ts-node.register.instance') in process) || | ||
| // --loader ts-node/esm | ||
| checkProcessArgv('ts-node/esm') || | ||
| // ts-node-dev | ||
| !!process.env.TS_NODE_DEV | ||
| )) | ||
| return cache.tsNode | ||
| } | ||
| }, | ||
| babelNode: { | ||
| get () { | ||
| cache.babelNode ?? (cache.babelNode = checkProcessArgv('babel-node')) | ||
| return cache.babelNode | ||
| } | ||
| }, | ||
| vitest: { | ||
| get () { | ||
| cache.vitest ?? (cache.vitest = ( | ||
| checkEnvVariable('VITEST', 'true') || | ||
| checkEnvVariable('VITEST_WORKER_ID') | ||
| )) | ||
| return cache.vitest | ||
| } | ||
| }, | ||
| jest: { | ||
| get () { | ||
| cache.jest ?? (cache.jest = checkEnvVariable('JEST_WORKER_ID')) | ||
| return cache.jest | ||
| } | ||
| }, | ||
| swc: { | ||
| get () { | ||
| cache.swc ?? (cache.swc = ( | ||
| checkPreloadModules('@swc/register') || | ||
| checkPreloadModules('@swc-node/register') || | ||
| checkProcessArgv('.bin/swc-node') | ||
| )) | ||
| return cache.swc | ||
| } | ||
| }, | ||
| tsm: { | ||
| get () { | ||
| cache.tsm ?? (cache.tsm = checkPreloadModules('tsm')) | ||
| return cache.tsm | ||
| } | ||
| }, | ||
| esbuild: { | ||
| get () { | ||
| cache.esbuild ?? (cache.esbuild = checkPreloadModules('esbuild-register')) | ||
| return cache.esbuild | ||
| } | ||
| }, | ||
| tsx: { | ||
| get () { | ||
| cache.tsx ?? (cache.tsx = checkPreloadModulesString('tsx')) | ||
| return cache.tsx | ||
| } | ||
| }, | ||
| supportTypeScript: { | ||
| get () { | ||
| cache.supportTypeScript ?? (cache.supportTypeScript = ( | ||
| checkEnvVariable('FASTIFY_AUTOLOAD_TYPESCRIPT') || | ||
| runtime.tsNode || | ||
| runtime.vitest || | ||
| runtime.babelNode || | ||
| runtime.jest || | ||
| runtime.swc || | ||
| runtime.tsm || | ||
| runtime.tsx || | ||
| runtime.esbuild | ||
| )) | ||
| return cache.supportTypeScript | ||
| } | ||
| }, | ||
| forceESM: { | ||
| get () { | ||
| cache.forceESM ?? (cache.forceESM = ( | ||
| checkProcessArgv('ts-node/esm') || | ||
| runtime.vitest || | ||
| false | ||
| )) | ||
| return cache.forceESM | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| module.exports = runtime | ||
| module.exports.runtime = runtime |