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esm: align sync and async load implementations #49152
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Review requested:
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if (protocol === 'file:') { | ||
source = readFileSync(url); | ||
} else if (protocol === 'data:') { | ||
const match = RegExpPrototypeExec(DATA_URL_PATTERN, url.pathname); |
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worth pulling this off of url
on line 79, in case there's a getter, so as to unconditionally trigger it?
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+1
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That seems wasteful, I'm not sure I understand what would be the upside of doing so
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Example benefits:
- a getter that throws will do so at the top of the method, before expensive stuff happens
- algorithm changes won't be as observable - it would otherwise be part of the API of this to only do a Get of "pathname" in this branch, and to only do one total, so refactors could become unintentional breaking changes
- it becomes much clearer what properties are accessed since they're all accessed once, statically, at the top of the method
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If we really care about this, I think we should rather adapt the regex to take the href
rather than the pathname
.
- a getter that throws will do so at the top of the method, before expensive stuff happens
It's still the first operation after the destructuring in that function.
- algorithm changes won't be as observable - it would otherwise be part of the API of this to only do a Get of "pathname" in this branch, and to only do one total, so refactors could become unintentional breaking changes
You mean if we start needing pathname
for other protocols? But a case could be made for the other properties of URL, what if we end up needing search
or origin
, should we get them as well just in case?
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yep (to be clear, i don't mean get them now just in case, i mean as soon as they're used once in the function, get them unconditionally at the top)
What is the goal here? |
Reduce unnecessary URL initializations. |
* @param {URL} url URL to the module | ||
* @param {ESModuleContext} context used to decorate error messages | ||
* @returns {{ responseURL: string, source: string | BufferView }} | ||
*/ | ||
function getSourceSync(url, context) { |
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* @param {URL} url URL to the module | |
* @param {ESModuleContext} context used to decorate error messages | |
* @returns {{ responseURL: string, source: string | BufferView }} | |
*/ | |
function getSourceSync(url, context) { | |
* @param {URL} urlInstance URL to the module | |
* @param {ESModuleContext} context used to decorate error messages | |
* @returns {{ responseURL: string, source: string | BufferView }} | |
*/ | |
function getSourceSync(urlInstance, context) { |
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nit: I think that is not necessary because the code doc already identifies it as type URL
, and I think (aside from mistakenly constructing a new instance), the difference likely would not matter because it's castable to a string.
That said, I do sometimes do similar things, like fooRgx
, so I'm not opposed to it (just pointing out that info is already available).
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Another thing to consider is that the async implementation also uses url
and not urlInstance
as a name, and since this PR goal is to align both implementation, that seems to be another reason not to take that suggestion in that PR
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I don't really care, you can feel free to disregard. I suggested it because I think I saw we called this urlInstance
somewhere else in the file, so we might want to standardize at some point.
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nice improvement :)
Landed in 2557932 |
* chore: bump Node.js to v22.9.0 * build: drop base64 dep in GN build nodejs/node#52856 * build,tools: make addons tests work with GN nodejs/node#50737 * fs: add fast api for InternalModuleStat nodejs/node#51344 * src: move package_json_reader cache to c++ nodejs/node#50322 * crypto: disable PKCS#1 padding for privateDecrypt nodejs-private/node-private#525 * src: move more crypto code to ncrypto nodejs/node#54320 * crypto: ensure valid point on elliptic curve in SubtleCrypto.importKey nodejs/node#50234 * src: shift more crypto impl details to ncrypto nodejs/node#54028 * src: switch crypto APIs to use Maybe<void> nodejs/node#54775 * crypto: remove DEFAULT_ENCODING nodejs/node#47182 * deps: update libuv to 1.47.0 nodejs/node#50650 * build: fix conflict gyp configs nodejs/node#53605 * lib,src: drop --experimental-network-imports nodejs/node#53822 * esm: align sync and async load implementations nodejs/node#49152 * esm: remove unnecessary toNamespacedPath calls nodejs/node#53656 * module: detect ESM syntax by trying to recompile as SourceTextModule nodejs/node#52413 * test: adapt debugger tests to V8 11.4 nodejs/node#49639 * lib: update usage of always on Atomics API nodejs/node#49639 * test: adapt test-fs-write to V8 internal changes nodejs/node#49639 * test: adapt to new V8 trusted memory spaces nodejs/node#50115 * deps: update libuv to 1.47.0 nodejs/node#50650 * src: use non-deprecated v8::Uint8Array::kMaxLength nodejs/node#50115 * src: update default V8 platform to override functions with location nodejs/node#51362 * src: add missing TryCatch nodejs/node#51362 * lib,test: handle new Iterator global nodejs/node#51362 * src: use non-deprecated version of CreateSyntheticModule nodejs/node#50115 * src: remove calls to recently deprecated V8 APIs nodejs/node#52996 * src: use new V8 API to define stream accessor nodejs/node#53084 * src: do not use deprecated V8 API nodejs/node#53084 * src: do not use soon-to-be-deprecated V8 API nodejs/node#53174 * src: migrate to new V8 interceptors API nodejs/node#52745 * src: use supported API to get stalled TLA messages nodejs/node#51362 * module: print location of unsettled top-level await in entry points nodejs/node#51999 * test: make snapshot comparison more flexible nodejs/node#54375 * test: do not set concurrency on parallelized runs nodejs/node#52177 * src: move FromNamespacedPath to path.cc nodejs/node#53540 * test: adapt to new V8 trusted memory spaces nodejs/node#50115 * build: add option to enable clang-cl on Windows nodejs/node#52870 * chore: fixup patch indices * chore: add/remove changed files * esm: drop support for import assertions nodejs/node#54890 * build: compile with C++20 support nodejs/node#52838 * deps: update nghttp2 to 1.62.1 nodejs/node#52966 * src: parse inspector profiles with simdjson nodejs/node#51783 * build: add GN build files nodejs/node#47637 * deps,lib,src: add experimental web storage nodejs/node#52435 * build: add missing BoringSSL dep * src: rewrite task runner in c++ nodejs/node#52609 * fixup! build: add GN build files * src: stop using deprecated fields of v8::FastApiCallbackOptions nodejs/node#54077 * fix: shadow variable * build: add back incorrectly removed SetAccessor patch * fixup! fixup! build: add GN build files * crypto: fix integer comparison in crypto for BoringSSL * src,lib: reducing C++ calls of esm legacy main resolve nodejs/node#48325 * src: move more crypto_dh.cc code to ncrypto nodejs/node#54459 * chore: fixup GN files for previous commit * src: move more crypto code to ncrypto nodejs/node#54320 * Fixup Perfetto ifdef guards * fix: missing electron_natives dep * fix: node_use_node_platform = false * fix: include src/node_snapshot_stub.cc in libnode * 5507047: [import-attributes] Remove support for import assertions https://chromium-review.googlesource.com/c/v8/v8/+/5507047 * fix: restore v8-sandbox.h in filenames.json * fix: re-add original-fs generation logic * fix: ngtcp2 openssl dep * test: try removing NAPI_VERSION undef * chore(deps): bump @types/node * src: move more crypto_dh.cc code to ncrypto nodejs/node#54459 * esm: remove unnecessary toNamespacedPath calls nodejs/node#53656 * buffer: fix out of range for toString nodejs/node#54553 * lib: rewrite AsyncLocalStorage without async_hooks nodejs/node#48528 * module: print amount of load time of a cjs module nodejs/node#52213 * test: skip reproducible snapshot test on 32-bit nodejs/node#53592 * fixup! src: move more crypto_dh.cc code to ncrypto * test: adjust emittedUntil return type * chore: remove redundant wpt streams patch * fixup! chore(deps): bump @types/node * fix: gn executable name on Windows * fix: build on Windows * fix: rename conflicting win32 symbols in //third_party/sqlite On Windows otherwise we get: lld-link: error: duplicate symbol: sqlite3_win32_write_debug >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:47987 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_sleep >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48042 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_is_nt >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48113 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_utf8_to_unicode >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48470 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_unicode_to_utf8 >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48486 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_mbcs_to_utf8 >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48502 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_mbcs_to_utf8_v2 >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48518 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_utf8_to_mbcs >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48534 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj lld-link: error: duplicate symbol: sqlite3_win32_utf8_to_mbcs_v2 >>> defined at .\..\..\third_party\electron_node\deps\sqlite\sqlite3.c:48550 >>> obj/third_party/electron_node/deps/sqlite/sqlite/sqlite3.obj >>> defined at obj/third_party/sqlite\chromium_sqlite3/sqlite3_shim.obj * docs: remove unnecessary ts-expect-error after types bump * src: move package resolver to c++ nodejs/node#50322 * build: set ASAN detect_container_overflow=0 nodejs/node#55584 * chore: fixup rebase * test: disable failing ASAN test * win: almost fix race detecting ESRCH in uv_kill libuv/libuv#4341
Refs: #48272
Refs: #47999