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module: implement "exports" proposal for CommonJS #28759

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hybrist wants to merge 6 commits into from
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module: implement "exports" proposal for CommonJS #28759

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817d5c8
module: implement "exports" proposal for CommonJS
hybrist Jul 19, 2019
8b29deb
fixup! module: implement "exports" proposal for CommonJS
hybrist Jul 23, 2019
3316fea
fixup! module: implement "exports" proposal for CommonJS
hybrist Jul 23, 2019
b7258f9
fixup! module: implement "exports" proposal for CommonJS
hybrist Jul 23, 2019
bd68eaf
fixup! module: implement "exports" proposal for CommonJS
hybrist Jul 23, 2019
104af34
fixup! module: implement "exports" proposal for CommonJS
hybrist Jul 23, 2019
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fixup! module: implement "exports" proposal for CommonJS
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@hybrist
hybrist committed Jul 23, 2019
commit 104af348170c79b9addb6ce33c026a2196cbd5f7
8 changes: 4 additions & 4 deletions lib/internal/modules/cjs/loader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -348,13 +348,12 @@ function resolveExports(nmPath, request, absoluteRequest) {

const basePath = path.resolve(nmPath, name);
const pkgExports = readExports(basePath);
const baseURL = `${pathToFileURL(basePath)}/`;

if (pkgExports != null) {
const mappingKey = `.${expansion}`;
const mapping = pkgExports[mappingKey];
if (typeof mapping === 'string') {
return fileURLToPath(new URL(mapping, baseURL));
return fileURLToPath(new URL(mapping, `${pathToFileURL(basePath)}/`));
}
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let dirMatch = '';
Expand All @@ -370,9 +369,10 @@ function resolveExports(nmPath, request, absoluteRequest) {
if (dirMatch !== '') {
const dirMapping = pkgExports[dirMatch];
const remainder = StringPrototype.slice(mappingKey, dirMatch.length);
const expectedPrefix = new URL(dirMapping, baseURL).href;
const expectedPrefix =
new URL(dirMapping, `${pathToFileURL(basePath)}/`);
const resolved = new URL(remainder, expectedPrefix).href;
if (StringPrototype.startsWith(resolved, expectedPrefix)) {
if (StringPrototype.startsWith(resolved, expectedPrefix.href)) {
return fileURLToPath(resolved);
}
}
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