fix: panic on remote import on wasm

Sadly we would need proper async support for that to work

3 files changed, 5 insertions, 38 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 66ead79..ff10b49 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -90,18 +90,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "blocking"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "futures-channel 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "once_cell 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "waker-fn 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "bumpalo"
 version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -172,7 +160,6 @@ version = "0.5.3"
 dependencies = [
  "abnf_to_pest 0.5.0",
  "annotate-snippets 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "blocking 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -290,7 +277,6 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -323,7 +309,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-core 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-io 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-sink 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project 0.4.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -714,11 +699,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "parking"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1337,11 +1317,6 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "waker-fn"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
 name = "walkdir"
 version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1524,7 +1499,6 @@ dependencies = [
 "checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
 "checksum block-buffer 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dbcf92448676f82bb7a334c58bbce8b0d43580fb5362a9d608b18879d12a3d31"
 "checksum block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-"checksum blocking 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9d17efb70ce4421e351d61aafd90c16a20fb5bfe339fcdc32a86816280e62ce0"
 "checksum bumpalo 3.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
@@ -1596,7 +1570,6 @@ dependencies = [
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 "checksum openssl-sys 0.9.58 (registry+https://github.com/rust-lang/crates.io-index)" = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 "checksum output_vt100 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "53cdc5b785b7a58c5aad8216b3dfa114df64b0b06ae6e1501cef91df2fbdf8f9"
-"checksum parking 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1bcaa58ee64f8e4a3d02f5d8e6ed0340eae28fed6fdabd984ad1776e3b43848a"
 "checksum percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 "checksum pest 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
 "checksum pest_consume 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "25f219b98d6adeb806008406459357c7692f413e2dd862219e262858d70a4108"
@@ -1668,7 +1641,6 @@ dependencies = [
 "checksum vcpkg 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
 "checksum version-sync 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382f6877399646e1b88f4b89813b4577147fa924464317378eb39c280d1e9e4c"
 "checksum version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-"checksum waker-fn 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9571542c2ce85ce642e6b58b3364da2fb53526360dfb7c211add4f5c23105ff7"
 "checksum walkdir 2.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
 "checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 "checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
diff --git a/dhall/Cargo.toml b/dhall/Cargo.toml
index 69b2ac8..9a30d24 100644
--- a/dhall/Cargo.toml
+++ b/dhall/Cargo.toml
@@ -13,8 +13,8 @@ include = ["src/**/*", "README.md", "build.rs"]
 
 [dependencies]
 annotate-snippets = "0.7.0"
-itertools = "0.9.0"
 hex = "0.4.2"
+itertools = "0.9.0"
 lazy_static = "1.4.0"
 once_cell = "1.3.1"
 percent-encoding = "2.1.0"
@@ -25,14 +25,11 @@ serde_cbor = "0.9.0"
 sha2 = "0.9.0"
 url = "2.1"
 
+# Reqwest needs proper async support to work on wasm. So no remote imports on
+# wasm for now.
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 reqwest = { version = "0.10", features = ["blocking"] }
 
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-# Disable native tls because hyper doesn't build on wasm
-reqwest = { version = "0.10", default-features = false }
-blocking = "0.4.3"
-
 [dev-dependencies]
 pretty_assertions = "0.6.1"
 version-sync = "0.9"
diff --git a/dhall/src/semantics/resolve/resolve.rs b/dhall/src/semantics/resolve/resolve.rs
index fb770db..114bd9b 100644
--- a/dhall/src/semantics/resolve/resolve.rs
+++ b/dhall/src/semantics/resolve/resolve.rs
@@ -201,10 +201,8 @@ pub(crate) fn download_http_text(url: Url) -> Result<String, Error> {
     Ok(reqwest::blocking::get(url).unwrap().text().unwrap())
 }
 #[cfg(target_arch = "wasm32")]
-pub(crate) fn download_http_text(url: Url) -> Result<String, Error> {
-    blocking::block_on(async {
-        Ok(reqwest::get(url).await.unwrap().text().await.unwrap())
-    })
+pub(crate) fn download_http_text(_url: Url) -> Result<String, Error> {
+    panic!("Remote imports are not supported on wasm yet")
 }
 
 fn make_aslocation_uniontype() -> Expr {