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add js doc @param and @returns annotations

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This commit is contained in:
Robert Masen
2018-07-09 11:07:57 -05:00
parent 8abe0f903e
commit c7d98b9ee1
4 changed files with 34 additions and 18 deletions
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12
crates/cli-support/src/js/js2rust.rs
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@ -368,6 +368,14 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
Ok(self)
}
pub fn js_doc_comments(&self) -> String {
let mut ret: String = self.js_arguments.iter().map(|a| {
format!("@param {{{}}} {}\n", a.1, a.0)
}).collect();
ret.push_str(&format!("@returns {{{}}}", self.ret_ty));
ret
}
/// Generate the actual function.
///
/// The `prefix` specified is typically the string "function" but may be
@ -377,7 +385,7 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
/// Returns two strings, the first of which is the JS expression for the
/// generated function shim and the second is a TypeScript signature of the
/// JS expression.
pub fn finish(&self, prefix: &str, invoc: &str) -> (String, String) {
pub fn finish(&self, prefix: &str, invoc: &str) -> (String, String, String) {
let js_args = self
.js_arguments
.iter()
@ -417,6 +425,6 @@ impl<'a, 'b> Js2Rust<'a, 'b> {
"{} {}({}): {};\n",
prefix, self.js_name, ts_args, self.ret_ty
);
(js, ts)
(js, ts, self.js_doc_comments())
}
}