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lib: avoid memory allocation on no-deprecation flag #50231

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merged 3 commits into from
Oct 30, 2023
Merged

lib: avoid memory allocation on no-deprecation flag #50231

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86295a8
lib: avoid memory allocation on nodeprecation flag
H4ad Oct 18, 2023
72f1eb2
fixup! lib: avoid memory allocation on nodeprecation flag
H4ad Oct 18, 2023
21e87a9
fixup! lib: avoid memory allocation on nodeprecation flag
H4ad Oct 28, 2023
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9 changes: 9 additions & 0 deletions lib/internal/modules/esm/resolve.js
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,9 @@ const emittedPackageWarnings = new SafeSet();
* @param {string} base - The URL of the module that imported the package.
*/
function emitTrailingSlashPatternDeprecation(match, pjsonUrl, base) {
if (process.noDeprecation) {
return;
}
const pjsonPath = fileURLToPath(pjsonUrl);
if (emittedPackageWarnings.has(pjsonPath + '|' + match)) { return; }
emittedPackageWarnings.add(pjsonPath + '|' + match);
Expand All @@ -101,6 +104,9 @@ const doubleSlashRegEx = /[/\\][/\\]/;
* @param {boolean} isTarget - Whether the target is a module.
*/
function emitInvalidSegmentDeprecation(target, request, match, pjsonUrl, internal, base, isTarget) {
if (process.noDeprecation) {
return;
}
const pjsonPath = fileURLToPath(pjsonUrl);
const double = RegExpPrototypeExec(doubleSlashRegEx, isTarget ? target : request) !== null;
process.emitWarning(
Expand All @@ -123,6 +129,9 @@ function emitInvalidSegmentDeprecation(target, request, match, pjsonUrl, interna
* @param {string} [main] - The "main" field from the package.json file.
*/
function emitLegacyIndexDeprecation(url, packageJSONUrl, base, main) {
if (process.noDeprecation) {
return;
}
const format = defaultGetFormatWithoutErrors(url);
if (format !== 'module') { return; }
const path = fileURLToPath(url);
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5 changes: 5 additions & 0 deletions lib/internal/process/warning.js
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,11 @@ function onWarning(warning) {
// process.emitWarning(str[, type[, code]][, ctor])
// process.emitWarning(str[, options])
function emitWarning(warning, type, code, ctor) {
// Fast path to avoid memory allocation,
// this doesn't eliminate the other if a few lines below
if (process.noDeprecation && type === 'DeprecationWarning') {
return;
}
let detail;
if (type !== null && typeof type === 'object' && !ArrayIsArray(type)) {
ctor = type.ctor;
Expand Down