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[fix](trx-frontend-http): tokenize ft8 grids reliably

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Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
This commit is contained in:
Stan Grams
2026-02-09 22:15:24 +01:00
parent a8f7e9c8de
commit 1bfc23fec7
1 changed files with 30 additions and 20 deletions
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src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/ft8.js
+29 -19
View File
@@ -29,32 +29,42 @@ function addFt8Message(msg) {
}
function renderFt8Message(message) {
const gridRegex = /[A-R]{2}\\d{2}(?:[A-X]{2})?/gi;
let out = "";
let lastIdx = 0;
for (const match of message.matchAll(gridRegex)) {
const idx = match.index ?? 0;
const grid = match[0].toUpperCase();
const prev = idx > 0 ? message[idx - 1] : "";
const next = idx + grid.length < message.length ? message[idx + grid.length] : "";
if (isAlphaNum(prev) || isAlphaNum(next)) continue;
out += escapeHtml(message.slice(lastIdx, idx));
let i = 0;
while (i < message.length) {
const ch = message[i];
if (isAlphaNum(ch)) {
let j = i + 1;
while (j < message.length && isAlphaNum(message[j])) j++;
const token = message.slice(i, j);
const grid = token.toUpperCase();
if (/^[A-R]{2}\\d{2}(?:[A-X]{2})?$/.test(grid)) {
out += `<span class="ft8-locator">[${grid}]</span>`;
lastIdx = idx + grid.length;
} else {
out += escapeHtml(token);
}
i = j;
} else {
out += escapeHtml(ch);
i += 1;
}
}
out += escapeHtml(message.slice(lastIdx));
return out;
}
function extractFirstGrid(message) {
const gridRegex = /[A-R]{2}\\d{2}(?:[A-X]{2})?/gi;
for (const match of message.matchAll(gridRegex)) {
const idx = match.index ?? 0;
const grid = match[0].toUpperCase();
const prev = idx > 0 ? message[idx - 1] : "";
const next = idx + grid.length < message.length ? message[idx + grid.length] : "";
if (isAlphaNum(prev) || isAlphaNum(next)) continue;
return grid;
let i = 0;
while (i < message.length) {
if (isAlphaNum(message[i])) {
let j = i + 1;
while (j < message.length && isAlphaNum(message[j])) j++;
const token = message.slice(i, j);
const grid = token.toUpperCase();
if (/^[A-R]{2}\\d{2}(?:[A-X]{2})?$/.test(grid)) return grid;
i = j;
} else {
i += 1;
}
}
return null;
}