Process source mapping URLs be set by transpilers #479
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Rewrites source mapping urls with the digested paths and protect against semicolon appending with a dummy comment line.
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Reference rails/sprockets#702 for history about this semicolon appending business. |
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If you prepare a JavaScript file by a bundler that adds a sourceMappingURL comment line as the last in the file, Sprockets will append a semicolon to this comment, thus breaking the URL reference.
The sourceMappingURL will also reference a file that has not been digested yet.
This PR fixes both issues.