build.rs 2.5 KB

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  1. use dioxus_interpreter_js::binary_protocol::SLEDGEHAMMER_JS;
  2. use std::io::Write;
  3. fn main() {
  4. let prevent_file_upload = r#"// Prevent file inputs from opening the file dialog on click
  5. let inputs = document.querySelectorAll("input");
  6. for (let input of inputs) {
  7. if (!input.getAttribute("data-dioxus-file-listener")) {
  8. // prevent file inputs from opening the file dialog on click
  9. const type = input.getAttribute("type");
  10. if (type === "file") {
  11. input.setAttribute("data-dioxus-file-listener", true);
  12. input.addEventListener("click", (event) => {
  13. let target = event.target;
  14. let target_id = find_real_id(target);
  15. if (target_id !== null) {
  16. const send = (event_name) => {
  17. const message = window.interpreter.serializeIpcMessage("file_diolog", { accept: target.getAttribute("accept"), directory: target.getAttribute("webkitdirectory") === "true", multiple: target.hasAttribute("multiple"), target: parseInt(target_id), bubbles: event_bubbles(event_name), event: event_name });
  18. window.ipc.postMessage(message);
  19. };
  20. send("change&input");
  21. }
  22. event.preventDefault();
  23. });
  24. }
  25. }
  26. }"#;
  27. let polling_request = r#"// Poll for requests
  28. window.interpreter.wait_for_request = () => {
  29. fetch(new Request("dioxus://index.html/edits"))
  30. .then(response => {
  31. response.arrayBuffer()
  32. .then(bytes => {
  33. run_from_bytes(bytes);
  34. window.interpreter.wait_for_request();
  35. });
  36. })
  37. }"#;
  38. let mut interpreter = SLEDGEHAMMER_JS
  39. .replace("/*POST_HANDLE_EDITS*/", prevent_file_upload)
  40. .replace("export", "")
  41. + polling_request;
  42. while let Some(import_start) = interpreter.find("import") {
  43. let import_end = interpreter[import_start..]
  44. .find(|c| c == ';' || c == '\n')
  45. .map(|i| i + import_start)
  46. .unwrap_or_else(|| interpreter.len());
  47. interpreter.replace_range(import_start..import_end, "");
  48. }
  49. let js = format!("{interpreter}\nconst config = new InterpreterConfig(false);");
  50. use minify_js::*;
  51. let session = Session::new();
  52. let mut out = Vec::new();
  53. minify(&session, TopLevelMode::Module, js.as_bytes(), &mut out).unwrap();
  54. let minified = String::from_utf8(out).unwrap();
  55. let mut file = std::fs::File::create("src/minified.js").unwrap();
  56. file.write_all(minified.as_bytes()).unwrap();
  57. }