feat: fetch effect (#1605)

* feat: fetch effect * fix: Make not available in sandbox * chore: Update to use text(), and to use headers * chore: use the postman echo for testing * chore: add json * chore: Testing the json * chore: Make the json lazy
2026-03-26 02:11:53 +00:00 · 2022-07-01 17:05:01 -06:00
parent b580f549a6
commit 8ba932aa36
7 changed files with 647 additions and 1 deletions
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -1897,6 +1897,7 @@ dependencies = [
 "dprint-swc-ext",
 "helpers",
 "models",
+ "reqwest",
 "serde",
 "serde_json",
 "swc_atoms",
--- a/backend/src/procedure/js_scripts.rs
+++ b/backend/src/procedure/js_scripts.rs
@@ -241,3 +241,47 @@ async fn js_action_execute_error() {
        .unwrap();
    assert_eq!("Err((2, \"Not setup\"))", &format!("{:?}", output));
 }
+
+#[tokio::test]
+async fn js_action_fetch() {
+    let js_action = JsProcedure {};
+    let path: PathBuf = "test/js_action_execute/"
+        .parse::<PathBuf>()
+        .unwrap()
+        .canonicalize()
+        .unwrap();
+    let package_id = "test-package".parse().unwrap();
+    let package_version: Version = "0.3.0.3".parse().unwrap();
+    let name = ProcedureName::Action("fetch".parse().unwrap());
+    let volumes: Volumes = serde_json::from_value(serde_json::json!({
+        "main": {
+            "type": "data"
+        },
+        "compat": {
+            "type": "assets"
+        },
+        "filebrowser" :{
+            "package-id": "filebrowser",
+            "path": "data",
+            "readonly": true,
+            "type": "pointer",
+            "volume-id": "main",
+        }
+    }))
+    .unwrap();
+    let input: Option<serde_json::Value> = None;
+    let timeout = Some(Duration::from_secs(10));
+    js_action
+        .execute::<serde_json::Value, serde_json::Value>(
+            &path,
+            &package_id,
+            &package_version,
+            name,
+            &volumes,
+            input,
+            timeout,
+        )
+        .await
+        .unwrap()
+        .unwrap();
+}
--- a/backend/test/js_action_execute/package-data/scripts/test-package/0.3.0.3/embassy.js
+++ b/backend/test/js_action_execute/package-data/scripts/test-package/0.3.0.3/embassy.js
@@ -727,3 +727,36 @@ export async function setConfig(effects) {
    error: "Not setup"
  };
 }
+
+const assert = (condition, message) => {
+  if (!condition) {
+    throw new Error(message)
+  }
+}
+
+export const action = {
+  async fetch(effects, _input) {
+    const example = await effects.fetch("https://postman-echo.com/get?foo1=bar1&foo2=bar2");
+    assert(Number(example.headers['content-length']) > 0 && Number(example.headers['content-length']) <= 1000000,"Should have content length");
+    assert((example.text() instanceof Promise), "example.text() should be a promise");
+    assert((example.body === undefined), "example.body should not be defined");
+    assert((JSON.parse(await example.text()).args.foo1 === 'bar1'), "Body should be parsed");
+    const message = `This worked @ ${new Date().toISOString()}`;
+    const secondResponse = await effects.fetch("https://postman-echo.com/post", {
+      method: "POST",
+      body:JSON.stringify({message }),
+      headers:{
+        test: "1234",
+      }
+    })
+    assert(((await secondResponse.json()).json.message === message), "Body should be parsed from response");
+      return {
+          result: {
+              copyable: false,
+              message: "Done",
+              version: "0",
+              qr: false,
+          }
+      }
+  }
+}
--- a/libs/Cargo.lock
+++ b/libs/Cargo.lock
@@ -162,6 +162,22 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"

+[[package]]
+name = "core-foundation"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.2"
@@ -353,6 +369,15 @@ dependencies = [
 "serde",
 ]

+[[package]]
+name = "encoding_rs"
+version = "0.8.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9852635589dc9f9ea1b6fe9f05b50ef208c85c834a562f0c6abb1c475736ec2b"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "enum_kind"
 version = "0.2.1"
@@ -365,6 +390,15 @@ dependencies = [
 "syn",
 ]

+[[package]]
+name = "fastrand"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3fcf0cee53519c866c09b5de1f6c56ff9d647101f81c1964fa632e148896cdf"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fd-lock-rs"
 version = "0.1.3"
@@ -380,6 +414,21 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"

+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.0.1"
@@ -548,6 +597,25 @@ dependencies = [
 "wasi 0.10.2+wasi-snapshot-preview1",
 ]

+[[package]]
+name = "h2"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
+dependencies = [
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "http",
+ "indexmap",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
 [[package]]
 name = "half"
 version = "1.8.2"
@@ -593,6 +661,77 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "http"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75f43d41e26995c17e71ee126451dd3941010b0514a81a9d11f3b341debc2399"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "496ce29bb5a52785b44e0f7ca2847ae0bb839c9bd28f69acac9b99d461c0c04c"
+
+[[package]]
+name = "httpdate"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
+
+[[package]]
+name = "hyper"
+version = "0.14.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42dc3c131584288d375f2d07f822b0cb012d8c6fb899a5b9fdb3cb7eb9b6004f"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
+dependencies = [
+ "bytes",
+ "hyper",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -649,6 +788,12 @@ dependencies = [
 "cfg-if",
 ]

+[[package]]
+name = "ipnet"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879d54834c8c76457ef4293a689b2a8c59b076067ad77b15efafbb05f92a592b"
+
 [[package]]
 name = "is-macro"
 version = "0.2.0"
@@ -677,6 +822,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"

+[[package]]
+name = "js-sys"
+version = "0.3.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3fac17f7123a73ca62df411b1bf727ccc805daa070338fda671c86dac1bdc27"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "js_engine"
 version = "0.1.0"
@@ -687,6 +841,7 @@ dependencies = [
 "dprint-swc-ext",
 "helpers",
 "models",
+ "reqwest",
 "serde",
 "serde_json",
 "swc_atoms",
@@ -872,6 +1027,12 @@ dependencies = [
 "autocfg",
 ]

+[[package]]
+name = "mime"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
+
 [[package]]
 name = "mio"
 version = "0.7.14"
@@ -905,6 +1066,24 @@ dependencies = [
 "thiserror",
 ]

+[[package]]
+name = "native-tls"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd7e2f3618557f980e0b17e8856252eee3c97fa12c54dff0ca290fb6266ca4a9"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.4"
@@ -1005,6 +1184,51 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"

+[[package]]
+name = "openssl"
+version = "0.10.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb81a6430ac911acb25fe5ac8f1d2af1b4ea8a4fdfda0f1ee4292af2e2d8eb0e"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b501e44f11665960c7e7fcf062c7d96a14ade4aa98116c004b2e37b5be7d736c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "835363342df5fba8354c5b453325b110ffd54044e588c539cf2f20a8014e4cb1"
+dependencies = [
+ "autocfg",
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1176,6 +1400,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"

+[[package]]
+name = "pkg-config"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
+
 [[package]]
 name = "pmutil"
 version = "0.5.3"
@@ -1345,6 +1575,52 @@ version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"

+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "reqwest"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b75aa69a3f06bbcc66ede33af2af253c6f7a86b1ca0033f60c580a27074fbf92"
+dependencies = [
+ "base64 0.13.0",
+ "bytes",
+ "encoding_rs",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-tls",
+ "ipnet",
+ "js-sys",
+ "lazy_static",
+ "log",
+ "mime",
+ "native-tls",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "winreg",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -1375,6 +1651,16 @@ version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"

+[[package]]
+name = "schannel"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
+dependencies = [
+ "lazy_static",
+ "windows-sys",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.0"
@@ -1387,6 +1673,29 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"

+[[package]]
+name = "security-framework"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dc14f172faf8a0194a3aded622712b0de276821addc574fa54fc0a1167e10dc"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0160a13a177a45bfb43ce71c01580998474f556ad854dcbca936dd2841a5c556"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -1448,6 +1757,18 @@ dependencies = [
 "serde",
 ]

+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_v8"
 version = "0.47.0"
@@ -1526,6 +1847,16 @@ dependencies = [
 "deno_core",
 ]

+[[package]]
+name = "socket2"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "sourcemap"
 version = "6.0.1"
@@ -1957,6 +2288,20 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"

+[[package]]
+name = "tempfile"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "libc",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi",
+]
+
 [[package]]
 name = "text_lines"
 version = "0.4.1"
@@ -2040,6 +2385,30 @@ dependencies = [
 "syn",
 ]

+[[package]]
+name = "tokio-native-tls"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f988a1a1adc2fb21f9c12aa96441da33a1728193ae0b95d2be22dbd17fcb4e5c"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.9"
@@ -2049,6 +2418,12 @@ dependencies = [
 "serde",
 ]

+[[package]]
+name = "tower-service"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
+
 [[package]]
 name = "tracing"
 version = "0.1.34"
@@ -2112,6 +2487,12 @@ dependencies = [
 "serde_json",
 ]

+[[package]]
+name = "try-lock"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
+
 [[package]]
 name = "typed-arena"
 version = "2.0.1"
@@ -2204,6 +2585,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"

+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2216,6 +2603,16 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"

+[[package]]
+name = "want"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
+dependencies = [
+ "log",
+ "try-lock",
+]
+
 [[package]]
 name = "wasi"
 version = "0.9.0+wasi-snapshot-preview1"
@@ -2228,6 +2625,82 @@ version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"

+[[package]]
+name = "wasm-bindgen"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c53b543413a17a202f4be280a7e5c62a1c69345f5de525ee64f8cfdbc954994"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5491a68ab4500fa6b4d726bd67408630c3dbe9c4fe7bda16d5c82a1fd8c7340a"
+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de9a9cec1733468a8c657e57fa2413d2ae2c0129b95e87c5b72b8ace4d13f31f"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c441e177922bc58f1e12c022624b6216378e5febc2f0533e41ba443d505b80aa"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d94ac45fcf608c1f45ef53e748d35660f168490c10b23704c7779ab8f5c3048"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a89911bd99e5f3659ec4acf9c4d93b0a90fe4a2a11f15328472058edc5261be"
+
+[[package]]
+name = "web-sys"
+version = "0.3.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fed94beee57daf8dd7d51f2b15dc2bcde92d7a72304cdf662a4371008b71b90"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "which"
 version = "4.2.5"
@@ -2304,6 +2777,15 @@ version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"

+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "wyz"
 version = "0.2.0"
--- a/libs/js_engine/Cargo.toml
+++ b/libs/js_engine/Cargo.toml
@@ -10,6 +10,7 @@ dashmap = "5.1.0"
 deno_core =  "=0.136.0"
 deno_ast = {version="=0.15.0", features = ["transpiling"]}
 dprint-swc-ext = "=0.1.1"
+reqwest = { version = "0.11.4" }
 swc_atoms = "=0.2.11"
 swc_common = "=0.18.7"
 swc_config = "=0.1.1"
--- a/libs/js_engine/src/artifacts/loadModule.js
+++ b/libs/js_engine/src/artifacts/loadModule.js
@@ -51,6 +51,20 @@ const warn = (x) => Deno.core.opSync("log_warn", x);
 const error = (x) => Deno.core.opSync("log_error", x);
 const debug = (x) => Deno.core.opSync("log_debug", x);
 const info = (x) => Deno.core.opSync("log_info", x);
+const fetch = async (url, options = null) => {
+  const {body, ...response} = await Deno.core.opAsync("fetch", url, options);
+  const textValue = Promise.resolve(body)
+  return {
+    ...response,
+    text() {
+      return textValue
+    },
+    json() {
+      return textValue.then(x => JSON.parse(x))
+    }
+  }
+};
+

 const currentFunction = Deno.core.opSync("current_function");
 const input = Deno.core.opSync("get_input");
@@ -66,6 +80,7 @@ const effects = {
  trace,
  info,
  isSandboxed,
+  fetch,
  removeFile,
  createDir,
  removeDir,
--- a/libs/js_engine/src/lib.rs
+++ b/libs/js_engine/src/lib.rs
@@ -252,6 +252,7 @@ impl JsExecutionEnvironment {
    }
    fn declarations() -> Vec<OpDecl> {
        vec![
+            fns::fetch::decl(),
            fns::read_file::decl(),
            fns::metadata::decl(),
            fns::write_file::decl(),
@@ -330,11 +331,11 @@ impl JsExecutionEnvironment {

 /// Note: Make sure that we have the assumption that all these methods are callable at any time, and all call restrictions should be in rust
 mod fns {
-    use std::cell::RefCell;
    use std::convert::TryFrom;
    use std::os::unix::fs::MetadataExt;
    use std::path::{Path, PathBuf};
    use std::rc::Rc;
+    use std::{cell::RefCell, collections::BTreeMap};

    use deno_core::anyhow::{anyhow, bail};
    use deno_core::error::AnyError;
@@ -345,6 +346,75 @@ mod fns {
    use super::{AnswerState, JsContext};
    use crate::{system_time_as_unix_ms, MetadataJs};

+    #[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Default)]
+    struct FetchOptions {
+        method: Option<String>,
+        headers: Option<BTreeMap<String, String>>,
+        body: Option<String>,
+    }
+    #[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Default)]
+    struct FetchResponse {
+        method: String,
+        ok: bool,
+        status: u32,
+        headers: BTreeMap<String, String>,
+        body: Option<String>,
+    }
+    #[op]
+    async fn fetch(
+        state: Rc<RefCell<OpState>>,
+        url: url::Url,
+        options: Option<FetchOptions>,
+    ) -> Result<FetchResponse, AnyError> {
+        let state = state.borrow();
+        let ctx: &JsContext = state.borrow();
+
+        if ctx.sandboxed {
+            bail!("Will not run fetch in sandboxed mode");
+        }
+
+        let client = reqwest::Client::new();
+        let options = options.unwrap_or_default();
+        let method = options
+            .method
+            .unwrap_or_else(|| "GET".to_string())
+            .to_uppercase();
+        let mut request_builder = match &*method {
+            "GET" => client.get(url),
+            "POST" => client.post(url),
+            "PUT" => client.put(url),
+            "DELETE" => client.delete(url),
+            "HEAD" => client.head(url),
+            "PATCH" => client.patch(url),
+            x => bail!("Unsupported method: {}", x),
+        };
+        if let Some(headers) = options.headers {
+            for (key, value) in headers {
+                request_builder = request_builder.header(key, value);
+            }
+        }
+        if let Some(body) = options.body {
+            request_builder = request_builder.body(body);
+        }
+        let response = request_builder.send().await?;
+
+        let fetch_response = FetchResponse {
+            method,
+            ok: response.status().is_success(),
+            status: response.status().as_u16() as u32,
+            headers: response
+                .headers()
+                .iter()
+                .filter_map(|(head, value)| {
+                    Some((format!("{}", head), value.to_str().ok()?.to_string()))
+                })
+                .collect(),
+            body: response.text().await.ok(),
+        };
+
+        return Ok(fetch_response);
+    }
+
    #[op]
    async fn read_file(
        state: Rc<RefCell<OpState>>,