Convert base64 inline image to typst

[necrosisy]

When there are base64 inline images in the input markdown file, the output typst format cannot be processed correctly
While typst correctly supports inline images
typst/typst#1084

CommandLine Input

echo '![linkedin](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABUAAAAVBAMAAABbO
bilAAAALVBMVEUPf7kAAAAAd7X////A3e0QgLrQ5vGgzOOQxN+Au9pws9ZgqtEwkcPw9/sgiL5dr8kZAAAAAnRSTlPIAHWwkH4AAABXSURBVAjXYxBQggIFA
QYmJRhgYAASMAkGpTCzIDh7sfEiOHuz8SY4W8MDph5Vr7KxkrGPs3EpjG1rbGwOY4MAjG2pNBnOtlM6DGcbAUly2Ag3IPsL2b8A12UlWSTqjl8AAAAASUVOR
K5CYII=)' | pandoc -o out.typ

Which Output

cat out.typ

#figure(image("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABUAAAAVBAMAAABbObilAAAALVBMVEUPf7kAAAAAd7X////A3e0QgLrQ5vGgzOOQxN+Au9pws9ZgqtEwkcPw9/sgiL5dr8kZAAAAAnRSTlPIAHWwkH4AAABXSURBVAjXYxBQggIFAQYmJRhgYAASMAkGpTCzIDh7sfEiOHuz8SY4W8MDph5Vr7KxkrGPs3EpjG1rbGwOY4MAjG2pNBnOtlM6DGcbAUly2Ag3IPsL2b8A12UlWSTqjl8AAAAASUVORK5CYII="),
  caption: [
    linkedin
  ]
)

Try to Compile

typst compile out.typ --> error: failed to load file

The image function of typst cannot handle inline images correctly and requires additional steps

pandoc version

pandoc.exe 3.6
Features: +server +lua
Scripting engine: Lua 5.4

[jgm]

What should the typst output be in this case?

[jgm]

I guess this (tested):

#figure(image.decode("<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><image xlink:href=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABUAAAAVBAMAAABbO
bilAAAALVBMVEUPf7kAAAAAd7X////A3e0QgLrQ5vGgzOOQxN+Au9pws9ZgqtEwkcPw9/sgiL5dr8kZAAAAAnRSTlPIAHWwkH4AAABXSURBVAjXYxBQggIFA
QYmJRhgYAASMAkGpTCzIDh7sfEiOHuz8SY4W8MDph5Vr7KxkrGPs3EpjG1rbGwOY4MAjG2pNBnOtlM6DGcbAUly2Ag3IPsL2b8A12UlWSTqjl8AAAAASUVOR
K5CYII=\" /></svg>"), caption: [Linked in])