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feat: discover sourcemaps local to source #21

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feat: discover sourcemaps local to source #21

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24 changes: 20 additions & 4 deletions src/sourcemaps/scanner.js
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Original file line number Diff line number Diff line change
Expand Up @@ -37,17 +37,27 @@ class Scanner {
}

extractMapPath(file) {
// check sourceMappingURL to see if a map is defined
const mapPath = this.parseMapPath(file.filePathName);

if(mapPath) {
if (mapPath) {
output.status('', mapPath);
file.mapPathName = mapPath;
file.sourceMappingURL = true;
file.mappedFile = path.join(this.targetPath, mapPath);
return;
}

} else {
output.warn('', 'map not found');
// check to see if the file exists locally
const localPath = this.localMapPath(file.filePathName);
if (localPath) {
output.status('', localPath);
file.mapPathName = localPath;
file.sourceMappingURL = false;
file.mappedFile = path.join(this.targetPath, localPath);
return;
}

output.warn('', 'map not found');
}

async loadMapData(file) {
Expand Down Expand Up @@ -190,6 +200,12 @@ class Scanner {
}
}
}

localMapPath(sourcePath) {
const mapPath = sourcePath + '.map';
const stat = fs.statSync(mapPath, { throwIfNoEntry: false });
return stat && stat.isFile() ? path.basename(mapPath) : undefined;
}
}

module.exports = Scanner;