mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-28 20:43:23 +03:00
62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
use super::project;
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#[test]
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fn works() {
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let mut p = project();
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p.file(
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"src/lib.rs",
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r#"
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#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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/// This comment should exist
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pub fn annotated() -> String {
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String::new()
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}
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#[wasm_bindgen]
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/// This comment should exist
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pub struct Annotated {
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/// This comment should not exist
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a: String,
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/// This comment should exist
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pub b: u32
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}
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#[wasm_bindgen]
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impl Annotated {
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#[wasm_bindgen(method)]
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/// This comment should exist
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pub fn get_a(&self) -> String {
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self.a.clone()
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}
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}
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"#,
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);
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let (root, target) = p.cargo_build();
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p.gen_bindings(&root, &target);
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let js = p.read_js();
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let comments = extract_doc_comments(&js);
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assert!(comments.iter().all(|c| c == "This comment should exist"));
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}
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/// Pull out all lines in a js string that start with
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/// '* ', all other lines will either be comment start, comment
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/// end or actual js lines.
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fn extract_doc_comments(js: &str) -> Vec<String> {
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js.lines()
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.filter_map(|l| {
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let trimmed = l.trim();
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if trimmed.starts_with("* ") {
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Some(trimmed[2..].to_owned())
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} else {
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None
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}
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})
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.collect()
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}
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