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module: fix $ pattern replacements #40044

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guybedford wants to merge 5 commits into from
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module: fix $ pattern replacements #40044

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e93ecb4
module: fix $ pattern replacements
guybedford Sep 8, 2021
485b7ab
fixup: RegExpPrototypeSymbolReplace
guybedford Sep 8, 2021
952db55
fixup: regex fix
guybedford Sep 8, 2021
273b61b
fixup: regexp fixes
guybedford Sep 8, 2021
0545626
fixup: lint
guybedford Sep 8, 2021
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4 changes: 2 additions & 2 deletions lib/internal/modules/esm/resolve.js
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Original file line number Diff line number Diff line change
Expand Up @@ -461,7 +461,7 @@ function resolvePackageTargetString(
} catch {}
if (!isURL) {
const exportTarget = pattern ?
StringPrototypeReplace(target, patternRegEx, subpath) :
StringPrototypeReplace(target, patternRegEx, () => subpath) :
target + subpath;
return packageResolve(exportTarget, packageJSONUrl, conditions);
}
Expand All @@ -486,7 +486,7 @@ function resolvePackageTargetString(

if (pattern)
return new URL(StringPrototypeReplace(resolved.href, patternRegEx,
subpath));
() => subpath));
return new URL(subpath, resolved);
}

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2 changes: 2 additions & 0 deletions test/es-module/test-esm-exports.mjs
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Expand Up @@ -156,6 +156,8 @@ import fromInside from '../fixtures/node_modules/pkgexports/lib/hole.js';
['pkgexports/no-ext', `pkgexports${sep}asdf`],
// Pattern specificity
['pkgexports/dir2/trailer', `subpath${sep}dir2.js`],
// Pattern double $$ escaping!
['pkgexports/a/$$', `subpath${sep}$$.js`],
]);

if (!isRequire) {
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