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samples: fix function that redirects stdout to DOM

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Fix #920
This commit is contained in:
Alexey Andreev 2024-05-12 16:16:27 +02:00
parent 1b412073b9
commit 236700ea58
1 changed files with 5 additions and 3 deletions
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8
samples/stdout-helper/src/main/webapp/teavm/stdout.js
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@ -1,18 +1,20 @@
let $rt_stdoutBuffer = ""; let $rt_stdoutBuffer = "";
function $rt_putStdoutCustom(str) { function $rt_putStdoutCustom(msg) {
let index = 0; let index = 0;
while (true) { while (true) {
let next = msg.indexOf('\n', index); let next = msg.indexOf('\n', index);
if (next < 0) { if (next < 0) {
break; break;
} }
let line = buffer + msg.substring(index, next); let line = $rt_stdoutBuffer + msg.substring(index, next);
let lineElem = document.createElement("div"); let lineElem = document.createElement("div");
let stdoutElem = document.getElementById("stdout"); let stdoutElem = document.getElementById("stdout");
lineElem.appendChild(document.createTextNode(line)); lineElem.appendChild(document.createTextNode(line));
stdoutElem.appendChild(lineElem); stdoutElem.appendChild(lineElem);
buffer = ""; stdoutElem.scrollTop = stdoutElem.scrollHeight;
$rt_stdoutBuffer = "";
index = next + 1; index = next + 1;
} }
$rt_stdoutBuffer += msg.substring(index);
} }
this.$rt_putStdoutCustom = $rt_putStdoutCustom; this.$rt_putStdoutCustom = $rt_putStdoutCustom;