1 files changed, 115 insertions, 0 deletions
diff --git a/cli/op_fetch_asset.rs b/cli/op_fetch_asset.rs
new file mode 100644
index 000000000..114aff133
--- /dev/null
+++ b/cli/op_fetch_asset.rs
@@ -0,0 +1,115 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+// Note: this module is used both in build.rs and main.rs.
+
+pub use deno_core::v8_set_flags;
+use deno_core::CoreIsolateState;
+use deno_core::Op;
+use deno_core::OpDispatcher;
+use deno_core::ZeroCopyBuf;
+use std::collections::HashMap;
+use std::path::PathBuf;
+
+fn get_asset(name: &str) -> Option<&'static str> {
+  macro_rules! inc {
+    ($e:expr) => {
+      Some(include_str!(concat!("typescript/lib/", $e)))
+    };
+  }
+  match name {
+    "system_loader.js" => Some(include_str!("system_loader.js")),
+    "system_loader_es5.js" => Some(include_str!("system_loader_es5.js")),
+    "bootstrap.ts" => Some("console.log(\"hello deno\");"),
+    "typescript.d.ts" => inc!("typescript.d.ts"),
+    "lib.dom.d.ts" => inc!("lib.dom.d.ts"),
+    "lib.dom.iterable.d.ts" => inc!("lib.dom.iterable.d.ts"),
+    "lib.es5.d.ts" => inc!("lib.es5.d.ts"),
+    "lib.es6.d.ts" => inc!("lib.es6.d.ts"),
+    "lib.esnext.d.ts" => inc!("lib.esnext.d.ts"),
+    "lib.es2020.d.ts" => inc!("lib.es2020.d.ts"),
+    "lib.es2020.full.d.ts" => inc!("lib.es2020.full.d.ts"),
+    "lib.es2019.d.ts" => inc!("lib.es2019.d.ts"),
+    "lib.es2019.full.d.ts" => inc!("lib.es2019.full.d.ts"),
+    "lib.es2018.d.ts" => inc!("lib.es2018.d.ts"),
+    "lib.es2018.full.d.ts" => inc!("lib.es2018.full.d.ts"),
+    "lib.es2017.d.ts" => inc!("lib.es2017.d.ts"),
+    "lib.es2017.full.d.ts" => inc!("lib.es2017.full.d.ts"),
+    "lib.es2016.d.ts" => inc!("lib.es2016.d.ts"),
+    "lib.es2016.full.d.ts" => inc!("lib.es2016.full.d.ts"),
+    "lib.es2015.d.ts" => inc!("lib.es2015.d.ts"),
+    "lib.es2015.collection.d.ts" => inc!("lib.es2015.collection.d.ts"),
+    "lib.es2015.core.d.ts" => inc!("lib.es2015.core.d.ts"),
+    "lib.es2015.generator.d.ts" => inc!("lib.es2015.generator.d.ts"),
+    "lib.es2015.iterable.d.ts" => inc!("lib.es2015.iterable.d.ts"),
+    "lib.es2015.promise.d.ts" => inc!("lib.es2015.promise.d.ts"),
+    "lib.es2015.proxy.d.ts" => inc!("lib.es2015.proxy.d.ts"),
+    "lib.es2015.reflect.d.ts" => inc!("lib.es2015.reflect.d.ts"),
+    "lib.es2015.symbol.d.ts" => inc!("lib.es2015.symbol.d.ts"),
+    "lib.es2015.symbol.wellknown.d.ts" => {
+      inc!("lib.es2015.symbol.wellknown.d.ts")
+    }
+    "lib.es2016.array.include.d.ts" => inc!("lib.es2016.array.include.d.ts"),
+    "lib.es2017.intl.d.ts" => inc!("lib.es2017.intl.d.ts"),
+    "lib.es2017.object.d.ts" => inc!("lib.es2017.object.d.ts"),
+    "lib.es2017.sharedmemory.d.ts" => inc!("lib.es2017.sharedmemory.d.ts"),
+    "lib.es2017.string.d.ts" => inc!("lib.es2017.string.d.ts"),
+    "lib.es2017.typedarrays.d.ts" => inc!("lib.es2017.typedarrays.d.ts"),
+    "lib.es2018.asyncgenerator.d.ts" => inc!("lib.es2018.asyncgenerator.d.ts"),
+    "lib.es2018.asynciterable.d.ts" => inc!("lib.es2018.asynciterable.d.ts"),
+    "lib.es2018.intl.d.ts" => inc!("lib.es2018.intl.d.ts"),
+    "lib.es2018.promise.d.ts" => inc!("lib.es2018.promise.d.ts"),
+    "lib.es2018.regexp.d.ts" => inc!("lib.es2018.regexp.d.ts"),
+    "lib.es2019.array.d.ts" => inc!("lib.es2019.array.d.ts"),
+    "lib.es2019.object.d.ts" => inc!("lib.es2019.object.d.ts"),
+    "lib.es2019.string.d.ts" => inc!("lib.es2019.string.d.ts"),
+    "lib.es2019.symbol.d.ts" => inc!("lib.es2019.symbol.d.ts"),
+    "lib.es2020.bigint.d.ts" => inc!("lib.es2020.bigint.d.ts"),
+    "lib.es2020.promise.d.ts" => inc!("lib.es2020.promise.d.ts"),
+    "lib.es2020.string.d.ts" => inc!("lib.es2020.string.d.ts"),
+    "lib.es2020.symbol.wellknown.d.ts" => {
+      inc!("lib.es2020.symbol.wellknown.d.ts")
+    }
+    "lib.esnext.array.d.ts" => inc!("lib.esnext.array.d.ts"),
+    "lib.esnext.asynciterable.d.ts" => inc!("lib.esnext.asynciterable.d.ts"),
+    "lib.esnext.bigint.d.ts" => inc!("lib.esnext.bigint.d.ts"),
+    "lib.esnext.intl.d.ts" => inc!("lib.esnext.intl.d.ts"),
+    "lib.esnext.promise.d.ts" => inc!("lib.esnext.promise.d.ts"),
+    "lib.esnext.string.d.ts" => inc!("lib.esnext.string.d.ts"),
+    "lib.esnext.symbol.d.ts" => inc!("lib.esnext.symbol.d.ts"),
+    "lib.scripthost.d.ts" => inc!("lib.scripthost.d.ts"),
+    "lib.webworker.d.ts" => inc!("lib.webworker.d.ts"),
+    "lib.webworker.importscripts.d.ts" => {
+      inc!("lib.webworker.importscripts.d.ts")
+    }
+    _ => None,
+  }
+}
+
+/// Warning: Returns a non-JSON op dispatcher. Must be manually attached to
+/// CoreIsolate.
+pub fn op_fetch_asset<S: ::std::hash::BuildHasher>(
+  custom_assets: HashMap<String, PathBuf, S>,
+) -> impl OpDispatcher {
+  for (_, path) in custom_assets.iter() {
+    println!("cargo:rerun-if-changed={}", path.display());
+  }
+  move |_state: &mut CoreIsolateState,
+        zero_copy_bufs: &mut [ZeroCopyBuf]|
+        -> Op {
+    assert_eq!(zero_copy_bufs.len(), 1, "Invalid number of arguments");
+    let name = std::str::from_utf8(&zero_copy_bufs[0]).unwrap();
+
+    let asset_code = if let Some(source_code) = get_asset(name) {
+      source_code.to_string()
+    } else if let Some(asset_path) = custom_assets.get(name) {
+      let source_code_vec =
+        std::fs::read(&asset_path).expect("Asset not found");
+      let source_code = std::str::from_utf8(&source_code_vec).unwrap();
+      source_code.to_string()
+    } else {
+      panic!("fetch_asset bad asset {}", name)
+    };
+
+    let vec = asset_code.into_bytes();
+    deno_core::Op::Sync(vec.into_boxed_slice())
+  }
+}