[WIP] feat: offline-only export

.gitignore

@@ -10,6 +10,7 @@ test/frontend/artifacts/*
 .DS_Store
 
 frontend-dist
+frontend-dist-*
 node_modules
 .parcel-cache
 frontend/dist

frontend-bundler/.parcelrc-static

@@ -0,0 +1,39 @@
+{
+    "extends": "@parcel/config-default",
+    "resolvers": [
+        "parcel-resolver-like-a-browser",
+        "..."
+    ],
+    "reporters": [
+        "...",
+        "parcel-reporter-bundle-manifest"
+    ],
+    "transformers": {
+        "*.svg": [
+            "...",
+            "@parcel/transformer-inline"
+        ],
+        "**/alegreya*.woff2": [
+            "...",
+            "@parcel/transformer-inline"
+        ],
+        "**/Vollkorn*.woff2": [
+            "...",
+            "@parcel/transformer-inline"
+        ]
+    },
+    "optimizers": {
+        "*.svg": [
+            "...",
+            "@parcel/optimizer-data-url"
+        ],
+        "**/alegreya*.woff2": [
+            "...",
+            "@parcel/optimizer-data-url"
+        ],
+        "**/Vollkorn*.woff2": [
+            "...",
+            "@parcel/optimizer-data-url"
+        ]
+    }
+}

frontend-bundler/package.json

@@ -8,6 +8,7 @@
     "scripts": {
         "start": "cd ../frontend && parcel --dist-dir ../frontend-dist --config ../frontend-bundler/.parcelrc editor.html index.html error.jl.html",
         "build": "cd ../frontend && parcel build --no-source-maps --public-url . --dist-dir ../frontend-dist --config ../frontend-bundler/.parcelrc editor.html index.html error.jl.html && node ../frontend-bundler/add_sri.js ../frontend-dist/editor.html",
+        "build-static": "cd ../frontend && parcel build --no-source-maps --public-url . --dist-dir ../frontend-dist-static --config ../frontend-bundler/.parcelrc-static editor.html",
         "test": "echo \"Error: no test specified\" && exit 1"
     },
     "author": "",
@@ -26,6 +27,8 @@
     "devDependencies": {
         "@parcel/optimizer-blob-url": "^2.11.0",
         "@parcel/optimizer-data-url": "^2.11.0",
+        "@parcel/transformer-inline": "^2.11.0",
+        "@parcel/transformer-inline-string": "^2.11.0",
         "@plutojl/posthtml-crossorigin": "^1.0.0",
         "@types/node": "^22",
         "posthtml": "^0.16.6",

src/notebook/Export.jl

@@ -2,37 +2,48 @@
 using Base64
 using HypertextLiteral
 import URIs
-
+using MIMEs: mime_from_path
 const default_binder_url = "https://mybinder.org/v2/gh/fonsp/pluto-on-binder/v$(string(PLUTO_VERSION))"
 
 const cdn_version_override = nothing
 # const cdn_version_override = "2a48ae2"
+const distdir = "frontend-dist-static"
 
 if cdn_version_override !== nothing
     @warn "Reminder to fonsi: Using a development version of Pluto for CDN assets. The binder button might not work. You should not see this on a released version of Pluto." cdn_version_override
 end
 
 cdnified_editor_html(; kwargs...) = cdnified_html("editor.html"; kwargs...)
 
+function file2base64dataurl(path::AbstractString)
+    string("data:", mime_from_path(path), ";base64,", base64encode(read(path)))
+end
+
 function cdnified_html(filename::AbstractString;
         version::Union{Nothing,VersionNumber,AbstractString}=nothing, 
         pluto_cdn_root::Union{Nothing,AbstractString}=nothing,
+        base64assets::Bool=true,
     )
     should_use_bundled_cdn = version ∈ (nothing, PLUTO_VERSION) && pluto_cdn_root === nothing
 
     something(
         if should_use_bundled_cdn
             try
-                original = read(project_relative_path("frontend-dist", filename), String)
+                original = read(project_relative_path(distdir, filename), String)
 
                 cdn_root = "https://cdn.jsdelivr.net/gh/fonsp/Pluto.jl@$(string(PLUTO_VERSION))/frontend-dist/"
 
                 @debug "Using CDN for Pluto assets:" cdn_root
 
                 replace_with_cdn(original) do url
+                    @info "$url"
+                    contains(string(url), "escape_txt_for_html") && return url
                     # Because parcel creates filenames with a hash in them, we can check if the file exists locally to make sure that everything is in order.
-                    @assert isfile(project_relative_path("frontend-dist", url)) "Could not find the file $(project_relative_path("frontend-dist", url)) locally, that's a bad sign."
-
+                    @assert isfile(project_relative_path(distdir, url)) "Could not find the file $(project_relative_path(distdir, url)) locally, that's a bad sign."
+                    @info "let's see it $url, $should_use_bundled_cdn "
+                    if base64assets
+                        return file2base64dataurl(project_relative_path(distdir, url))
+                    end
                     URIs.resolvereference(cdn_root, url) |> string
                 end
             catch e
@@ -46,7 +57,9 @@
             cdn_root = something(pluto_cdn_root, "https://cdn.jsdelivr.net/gh/fonsp/Pluto.jl@$(something(cdn_version_override, string(something(version, PLUTO_VERSION))))/frontend/")
 
             @debug "Using CDN for Pluto assets:" cdn_root
-
+            if base64assets
+                @warn("Trying to use bundled assets for $filename. It's impossible to base64 include Pluto in unbundled mode. If you _really_ need this contact us.")
+            end
             replace_with_cdn(original) do url
                 URIs.resolvereference(cdn_root, url) |> string
             end
@@ -114,7 +127,7 @@
         header_html::AbstractString="",
     )::String
 
-    cdnified = cdnified_editor_html(; version, pluto_cdn_root)
+    cdnified = cdnified_editor_html(; version, pluto_cdn_root, base64assets=true)
 
     length(statefile_js) > 32000000 && @error "Statefile embedded in HTML is very large. The file can be opened with Chrome and Safari, but probably not with Firefox. If you are using PlutoSliderServer to generate this file, then we recommend the setting `baked_statefile=false`. If you are not using PlutoSliderServer, then consider reducing the size of figures and output in the notebook." length(statefile_js)
 
@@ -138,6 +151,7 @@
 
 function replace_at_least_once(s, pair)
     from, to = pair
+    @info "replacing once at least once" s from to
     @assert occursin(from, s)
     replace(s, pair)
 end
@@ -223,7 +237,7 @@
 		s
 	else
 		url = only(next_match.captures)
-		if occursin("//", url) || url ∈ dont_cdnify
+		if occursin("//", url) || url ∈ dont_cdnify || occursin("data:", url)
 			# skip this one
 			replace_with_cdn(cdnify, s, nextind(s, next_match.offset))
 		else