sourcemap.el

sourcemap parser in Emacs Lisp. Only supports decoder now.

Installation

You can install sourcemap from MELPA and MELPA stable

You can install sourcemap with the following command.

M-x package-install [RET] sourcemap [RET]

Interface

(sourcemap-original-position-for sourcemap properties)

Find line and column of original file from specified properties.

properties is plist and should have following properties

• :line - Line in generated file
• :column - Column in generated file

Return value is property list which has :line and :column.

With an optional :nearest property, return the closest matching location.

(sourcemap-generated-position-for sourcemap properties)

Find line and column of generated file from specified properties.

properties is plist and should have following properties

• :line - Original line number
• :column - Original column number

With an optional :nearest property, return the closest matching location.

(sourcemap-goto-corresponding-point properties)

Go to corresponding point.

This is useful for compiling command of coffee-mode. You can use this for moving point in compiled JavaScript file which corresponding to cursor point in CoffeeScript. If you want to use this feature, add following configuration.

(setq coffee-args-compile '("-c" "-m")) ;; generating sourcemap file
(add-hook 'coffee-after-compile-hook 'sourcemap-goto-corresponding-point)

properties is plist and should have following properties

• :source - source file
• :sourcemap - sourcemap file
• :line - line in :source(CoffeeScript)
• :column - column in :source(CoffeeScript)

(sourcemap-from-file file)

Parse file as sourcemap and return sourcemap instance

(sourcemap-from-string string)

Parse string as sourcemap and return sourcemap instance