feat: initial wasm support

Author: xubaiwang

bindings/wasm/.gitignore

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+/target
+lib

bindings/wasm/.rustfmt.toml

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+max_width = 80
+tab_spaces = 2
+edition = "2021"

bindings/wasm/Cargo.toml

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+[package]
+name = "rkshare-wasm"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+rkshare = { version = "0.1.0", path = "../../rkshare" }
+wasm-bindgen = "0.2.100"
+wasm-bindgen-futures = "0.4.50"
+arrow-wasm = { git = "https://github.com/kylebarron/arrow-wasm" }
+
+[lints]
+workspace = true

bindings/wasm/deno.json

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+{
+  "tasks": {
+    "wasmbuild": "deno run -A jsr:@deno/wasmbuild@0.19.2",
+    "build": "deno task wasmbuild build --project rkshare-wasm"
+  }
+}

bindings/wasm/example.ts

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+import { sse_summary } from "./lib/rkshare_wasm.js";
+
+const df = await sse_summary();
+
+console.log(df);
+console.log(df.getArrayMemorySize());
+const ffi = df.intoFFI();
+
+console.log(ffi);

bindings/wasm/src/lib.rs

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+//! TODO: documentation
+
+use wasm_bindgen::prelude::wasm_bindgen;
+
+/// TODO: documentation
+#[wasm_bindgen]
+pub fn add(left: u64, right: u64) -> u64 {
+  left + right
+}
+
+/// TODO: documentation
+#[wasm_bindgen]
+pub async fn sse_summary() -> arrow_wasm::RecordBatch {
+  let arrow = rkshare::sse::stock::summary::fetch::arrow::<()>()
+    .await
+    .unwrap();
+  arrow_wasm::RecordBatch::new(arrow)
+}