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{build,wasmserve}: show error on browser + improvements

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Ali Chraghi 2022-09-14 23:22:55 +04:30 • committed by Stephen Gutekanst
parent 5be9f04d85
commit aaddd4dbeb
5 changed files with 522 additions and 25 deletions
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56
tools/wasmserve/www/wasmserve.js
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@ -1,11 +1,57 @@
import AnsiUp from "./ansi_up.js";
const ansiup = new AnsiUp;
let evtSource = new EventSource("/notify");
function setup() {
evtSource.addEventListener("message", function (e) {
if (e.data === "reload") {
window.location.reload();
}
});
evtSource.addEventListener("built", function (e) {
window.location.reload();
});
evtSource.addEventListener("build_error", function (e) {
if (document.getElementById("error-screen") == null) {
let es = document.createElement("div");
es.id = "error-screen";
es.style.cssText = error_screen_css;
let h2 = document.createElement("h2");
let pre = document.createElement("pre");
h2.textContent = "An error occurred while building:";
h2.style.cssText = error_screen_h2_css;
pre.innerHTML = ansiup.ansi_to_html(e.data);
pre.style.cssText = error_screen_pre_css;
es.appendChild(h2);
es.appendChild(pre);
document.body.appendChild(es);
console.error(e.data);
} else {
document.getElementById("error-screen").
getElementsByTagName("pre").innerHTML = ansiup.ansi_to_html(e.data);
}
});
}
const error_screen_css =
"position: absolute;" +
"width: 100vw;" +
"height: 100vh;" +
"top: 0;" +
"left: 0;" +
"background: rgba(0, 0, 0, 0.85);" +
"font-family: system-ui, monospace;" +
"font-size: 16pt;" +
"padding: 20px;" +
"box-sizing: border-box;";
const error_screen_h2_css =
"color: white;" +
"margin-top: 0;";
const error_screen_pre_css =
"border: 2px solid rgb(205, 92, 92);" +
"padding: 10px;" +
"background: rgba(0, 0, 0, 0.5);" +
"font-size: 12pt;" +
"white-space: pre-wrap;" +
"overflow: hidden;" +
"color: lightgray;";
export default setup;