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Sourcemaps Lookup Laravel Package

spatie/sourcemaps-lookup

Fast, memory-efficient Source Map v3 lookup for PHP. Resolve JavaScript stack frames to original source file, line/column, symbol name, and enclosing scope. Optimized for the read path and high-volume error symbolicating from uploaded sourcemaps.

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Deep Wiki

Context7

title: Supported source map features weight: 6

Supported

Source Map v3 "regular" maps (the default format produced by bundlers).
1-field (unmapped), 4-field (mapped), and 5-field (mapped with name) segments.
sourceRoot prefixing.
null entries in the sources array (returned as sourceFileName === null).
Inlined sourcesContent.
ignoreList for third-party sources (exposed via isIgnored()).
Enclosing scope resolution via scopeAt(). Heuristic polyfill today, natively backed by the ECMA-426 Scopes proposal when bundlers begin emitting it.

Not supported (by design)

Writing, generating, merging, or transforming source maps.
Indexed and sectioned source maps (throws UnsupportedSourceMap. File an issue if you need this).
Source Map v4 or legacy v2.
External source fetching. Only inlined sourcesContent is read.

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