diff --git a/crates/wasm-qmd-parser/pkg/index.html b/crates/wasm-qmd-parser/pkg/index.html
index 9a3f464..58070d9 100644
--- a/crates/wasm-qmd-parser/pkg/index.html
+++ b/crates/wasm-qmd-parser/pkg/index.html
@@ -7,7 +7,8 @@
import main from "./wasm_qmd_parser.js";
let m = await main();
debugger;
- m.parse_qmd("# Hello");
+ let parsed = m.parse_qmd("# Hello\n");
+ console.log(parsed);
diff --git a/crates/wasm-qmd-parser/src/lib.rs b/crates/wasm-qmd-parser/src/lib.rs
index 9e958a1..13363e1 100644
--- a/crates/wasm-qmd-parser/src/lib.rs
+++ b/crates/wasm-qmd-parser/src/lib.rs
@@ -12,7 +12,7 @@ pub mod c_shim;
mod utils;
-use std::io;
+use std::{io, panic};
use quarto_markdown_pandoc::readers::qmd;
use quarto_markdown_pandoc::utils::output::VerboseOutput;
@@ -29,11 +29,43 @@ pub fn greet() {
alert("Hello, wasm-qmd-parser!");
}
+#[wasm_bindgen(start)]
+pub fn run() {
+ // Set a panic hook on program start that prints panics to the console
+ panic::set_hook(Box::new(console_error_panic_hook::hook));
+}
+
#[wasm_bindgen]
-pub fn parse_qmd(input: &str) -> String {
+pub fn parse_qmd(input: JsValue) -> JsValue {
let mut output = VerboseOutput::Sink(io::sink());
- let result = qmd::read(input.as_bytes(), &mut output).unwrap();
+
+ let input = match input.as_string() {
+ Some(input) => input,
+ None => panic!("Unable to parse `input` as a `String`."),
+ };
+
+ let result = match qmd::read(input.as_bytes(), &mut output) {
+ Ok(result) => result,
+ Err(err) => panic!("Unable to read as a qmd:\n{}", err.join("\n")),
+ };
+
let mut buf = Vec::new();
- let _ = json::write(&result, &mut buf).unwrap();
- String::from_utf8(buf).unwrap()
+
+ match json::write(&result, &mut buf) {
+ Ok(_) => {
+ // Nothing to do
+ }
+ Err(err) => {
+ panic!("Unable to write as json: {:?}", err)
+ }
+ }
+
+ let json = match String::from_utf8(buf) {
+ Ok(json) => json,
+ Err(err) => {
+ panic!("Unable to convert json to string: {:?}", err)
+ }
+ };
+
+ JsValue::from_str(&json)
}