stack-frame-utils

Utilities for working with stack frames.

API

getLinesAround

Parameters

• line number The line number to provide context around.
• count number The number of lines you'd like for context.
• lines (Array<string> | string) The source code.

Returns Array<ScriptLine>

getSourceMap

Returns an instance of SourceMap for a given fileUri and fileContents.

Parameters

• fileUri string The URI of the source file.
• fileContents string The contents of the source file.

Returns Promise<SourceMap>

SourceMap

A wrapped instance of a SourceMapConsumer.

This exposes methods which will be indifferent to changes made in source-map.

getOriginalPosition

Returns the original code position for a generated code position.

Parameters

• line number The line of the generated code position.
• column number The column of the generated code position.

Returns {source: string, line: number, column: number}

getGeneratedPosition

Returns the generated code position for an original position.

Parameters

• source string The source file of the original code position.
• line number The line of the original code position.
• column number The column of the original code position.

Returns {line: number, column: number}

getSource

Returns the code for a given source file name.

Parameters

• sourceName string The name of the source file.

Returns string