Support source maps for JS-based visualizations

app/gui/CHANGELOG.md

@@ -2,6 +2,7 @@
 
 #### Visual Environment
 
+- [Added support of source maps for JS-based visualizations.][3208]
 - [Fixed histograms coloring and added a color legend.][3153]
 - [Fixed broken node whose expression contains non-ASCII characters.][3166]
 - [Fixed developer console warnings about views being created but not
@@ -17,6 +18,7 @@
 [3181]: https://github.com/enso-org/enso/pull/3181
 [3186]: https://github.com/enso-org/enso/pull/3186
 [3193]: https://github.com/enso-org/enso/pull/3193
+[3208]: https://github.com/enso-org/enso/pull/3208
 
 # Enso 2.0.0-alpha.18 (2021-10-12)
 

app/gui/src/controller/visualization.rs

@@ -10,6 +10,7 @@ use crate::constants::VISUALIZATION_DIRECTORY;
 use engine_protocol::language_server;
 use ide_view::graph_editor::component::visualization;
 use ide_view::graph_editor::component::visualization::definition;
+use ide_view::graph_editor::component::visualization::java_script::Sources;
 use std::rc::Rc;
 
 
@@ -155,7 +156,11 @@ impl Handle {
                 let js_code = self.language_server_rpc.read_file(path).await?.contents;
                 let wrap_error =
                     |err| Error::js_preparation_error(visualization.clone(), err).into();
-                visualization::java_script::Definition::new(project, &js_code)
+                let unknown_file_name = || String::from("unknown_file_name");
+                let file_name = path.file_name().cloned().unwrap_or_else(unknown_file_name);
+                let sources: &[(&str, &str)] = &[(&file_name, &js_code)];
+                let sources = Sources::from_files(sources);
+                visualization::java_script::Definition::new(project, sources)
                     .map(Into::into)
                     .map_err(wrap_error)
             }
@@ -247,8 +252,10 @@ mod tests {
         assert_eq!(visualizations.len(), 3);
 
         let owner = visualization::Project::CurrentProject;
-        let javascript_vis0 = js_vis::Definition::new(owner.clone_ref(), &file_content0);
-        let javascript_vis1 = js_vis::Definition::new(owner, &file_content1);
+        let sources_vis0 = Sources::from_files(&[("file0.js", &file_content0)]);
+        let javascript_vis0 = js_vis::Definition::new(owner.clone_ref(), sources_vis0);
+        let sources_vis1 = Sources::from_files(&[("file0.js", &file_content1)]);
+        let javascript_vis1 = js_vis::Definition::new(owner, sources_vis1);
         let javascript_vis0 = javascript_vis0.expect("Couldn't create visualization class.");
         let javascript_vis1 = javascript_vis1.expect("Couldn't create visualization class.");
         let javascript_vis0: visualization::Definition = javascript_vis0.into();

app/gui/view/debug_scene/visualization/src/lib.rs

@@ -81,7 +81,9 @@ fn constructor_graph() -> visualization::java_script::Definition {
 
         return Graph
     "#;
-    visualization::java_script::Definition::new_builtin(source).unwrap()
+    let mut sources = visualization::java_script::Sources::new();
+    sources.add_file("demo.js", source);
+    visualization::java_script::Definition::new_builtin(sources).unwrap()
 }
 
 #[wasm_bindgen]

app/gui/view/graph-editor/Cargo.toml

@@ -10,6 +10,7 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 analytics = { version = "0.1.0", path = "../../analytics" }
 ast = { version = "0.1.0", path = "../../language/ast/impl" }
+base64 = "0.13"
 bimap = { version = "0.4.0" }
 enso-config = { version = "0.1.0", path = "../../config" }
 enso-frp = { version = "0.1.0", path = "../../../../lib/rust/frp" }
@@ -30,6 +31,7 @@ js-sys = { version = "0.3.28" }
 nalgebra = { version = "0.26.1", features = ["serde-serialize"] }
 serde_json = { version = "1.0" }
 serde = { version = "1.0", features = ["derive"] }
+sourcemap = "6.0"
 uuid = { version = "0.8", features = ["serde", "v4", "wasm-bindgen"] }
 wasm-bindgen = { version = "=0.2.58", features = ["nightly", "serde-serialize"] }
 

app/gui/view/graph-editor/src/builtin/visualization/java_script.rs

@@ -3,6 +3,7 @@
 // These implementations are neither efficient nor pretty, but get the idea across.
 
 use crate::component::visualization;
+use crate::component::visualization::java_script::source::from_files;
 
 
 
@@ -12,77 +13,81 @@ use crate::component::visualization;
 
 /// Return a `JavaScript` Table visualization.
 pub fn table_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let scrollable = include_str!("java_script/helpers/scrollable.js");
-    let source = include_str!("java_script/table.js");
-    let source = format!("{}{}{}", loading_scripts, scrollable, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/scrollable.js",
+        "java_script/table.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` SQL visualization.
 pub fn sql_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let scrollable = include_str!("java_script/helpers/scrollable.js");
-    let source = include_str!("java_script/sql.js");
-    let source = format!("{}{}{}", loading_scripts, scrollable, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/scrollable.js",
+        "java_script/sql.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Scatter plot visualization.
 pub fn scatter_plot_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let number = include_str!("java_script/helpers/number.js");
-    let source = include_str!("java_script/scatterPlot.js");
-    let source = format!("{}{}{}", loading_scripts, number, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/number.js",
+        "java_script/scatterPlot.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Histogram visualization.
 pub fn histogram_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let number = include_str!("java_script/helpers/number.js");
-    let source = include_str!("java_script/histogram.js");
-    let source = format!("{}{}{}", loading_scripts, number, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/number.js",
+        "java_script/histogram.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Heatmap visualization.
 pub fn heatmap_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let number = include_str!("java_script/helpers/number.js");
-    let source = include_str!("java_script/heatmap.js");
-    let source = format!("{}{}{}", loading_scripts, number, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/number.js",
+        "java_script/heatmap.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Map visualization.
 pub fn geo_map_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let number = include_str!("java_script/helpers/number.js");
-    let source = include_str!("java_script/geoMap.js");
-    let source = format!("{}{}{}", loading_scripts, number, source);
+    let source = from_files!(
+        "java_script/helpers/loading.js",
+        "java_script/helpers/number.js",
+        "java_script/geoMap.js"
+    );
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Bubble visualization. This should not be used as it is a demo
 /// visualization.
 pub fn bubble_visualization() -> visualization::java_script::FallibleDefinition {
-    let source = include_str!("java_script/bubbleVisualization.js");
+    let source = from_files!("java_script/bubbleVisualization.js");
 
     visualization::java_script::Definition::new_builtin(source)
 }
 
 /// Return a `JavaScript` Image visualization.
 pub fn image_base64_visualization() -> visualization::java_script::FallibleDefinition {
-    let loading_scripts = include_str!("java_script/helpers/loading.js");
-    let source = include_str!("java_script/imageBase64.js");
-    let source = format!("{}{}", loading_scripts, source);
+    let source = from_files!("java_script/helpers/loading.js", "java_script/imageBase64.js");
 
     visualization::java_script::Definition::new_builtin(source)
 }
@@ -93,6 +98,8 @@ pub fn empty_visualization() -> visualization::java_script::FallibleDefinition {
         class EmptyVisualization extends Visualization {}
         return EmptyVisualization;
     "#;
+    let files = [("java_script/empty.js", source)];
+    let source = visualization::java_script::Sources::from_files(&files);
 
     visualization::java_script::Definition::new_builtin(source)
 }

app/gui/view/graph-editor/src/component/visualization/foreign/java_script.rs

@@ -3,6 +3,8 @@
 pub mod binding;
 pub mod definition;
 pub mod instance;
+pub mod source;
 
 pub use definition::*;
 pub use instance::*;
+pub use source::Sources;

app/gui/view/graph-editor/src/component/visualization/foreign/java_script/definition.rs

@@ -15,6 +15,7 @@ use super::instance::Instance;
 use crate::component::visualization;
 use crate::component::visualization::InstantiationError;
 use crate::component::visualization::InstantiationResult;
+use crate::visualization::foreign::java_script::Sources;
 
 use ensogl::display::Scene;
 use ensogl::system::web::JsValue;
@@ -59,14 +60,10 @@ pub struct Definition {
 
 impl Definition {
     /// Create a visualization source from piece of JS source code. Signature needs to be inferred.
-    pub fn new(
-        project: visualization::path::Project,
-        source: impl AsRef<str>,
-    ) -> Result<Self, Error> {
-        let source = source.as_ref();
-        let source = source;
+    pub fn new(project: visualization::path::Project, sources: Sources) -> Result<Self, Error> {
+        let source = sources.to_string(&project);
         let context = JsValue::NULL;
-        let function = Function::new_with_args(binding::JS_CLASS_NAME, source)
+        let function = Function::new_with_args(binding::JS_CLASS_NAME, &source)
             .map_err(Error::InvalidFunction)?;
         let js_class = binding::js_class();
         let class = function.call1(&context, &js_class).map_err(Error::InvalidFunction)?;
@@ -84,8 +81,8 @@ impl Definition {
     }
 
     /// Create a definition of visualization that is built into the IDE.
-    pub fn new_builtin(source: impl AsRef<str>) -> Result<Self, Error> {
-        Self::new(visualization::path::Project::Builtin, source)
+    pub fn new_builtin(sources: Sources) -> Result<Self, Error> {
+        Self::new(visualization::path::Project::Builtin, sources)
     }
 
     fn new_instance(&self, scene: &Scene) -> InstantiationResult {