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logview: add anchors for each line #80

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logview: add anchors for each line #80

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9c8f7fd
logview: add anchors for each line
matttbe Jul 14, 2026
69187a0
logview: highlight the selected line
matttbe Jul 22, 2026
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25 changes: 21 additions & 4 deletions ui/logview.html
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
--plan: #0550ae;
--bar-bg: #f2f2f2;
--hl: #fff8c5;
--bg-line: #f2dd2650;
}
@media (prefers-color-scheme: dark) {
:root {
Expand All @@ -28,6 +29,7 @@
--plan: #809fff;
--bar-bg: #282828;
--hl: #4a3f1a;
--bg-line: #f2dd2650;
}
}
html, body {
Expand Down Expand Up @@ -76,6 +78,7 @@
.ln-diag { color: var(--dim); }
.ln-totals { color: var(--plan); }
.ln-err { color: var(--fail); }
.ln-bg { background-color: var(--bg-line); }
.fold-toggle {
cursor: pointer;
color: var(--plan);
Expand Down Expand Up @@ -158,32 +161,41 @@
const lines = text.split("\n");
let pass = 0, fail = 0, skip = 0;

function renderLine(line) {
function renderLine(line, i) {
i += this.add;
var classes = []
const cls = classify(line);
if (cls === "ln-pass") pass++;
else if (cls === "ln-fail") fail++;
else if (cls === "ln-skip") skip++;
if (cls) classes.push(cls);
if (this.bg == i) classes.push("ln-bg")
const e = esc(line);
return cls ? `<span class="${cls}">${e}</span>` : e;
const c = classes.length > 0 ? `class="${classes.join(" ")}"` : ``;
return `<span id="L${i}" ${c}>${e}</span>`;
}

// Group runs of deeply-nested "# #" diagnostic lines into a foldable
// block (rendered expanded; collapse via the marker or "fold all").
// Totals lines are kept out so the summary stays visible.
const foldable = l => l.startsWith("# #") && !/Totals: pass/.test(l);
const anchor = window.location.hash.match(/^#L(\d+)/);
this.bg = anchor && anchor.length > 1 ? anchor[1] : -1;
this.add = 0;
const pieces = [];
let i = 0;
while (i < lines.length) {
if (foldable(lines[i])) {
let j = i;
while (j < lines.length && foldable(lines[j])) j++;
const body = lines.slice(i, j).map(renderLine).join("\n");
const body = lines.slice(i, j).map(renderLine,
{add: i, bg: bg}).join("\n");
pieces.push(
`<span class="fold open"><span class="fold-toggle">${j - i} lines` +
`</span><span class="fold-body">\n${body}</span></span>`);
i = j;
} else {
pieces.push(renderLine(lines[i]));
pieces.push(renderLine(lines[i], i));
i++;
}
}
Expand All @@ -199,6 +211,11 @@
out.addEventListener("click", e => {
const t = e.target.closest(".fold-toggle");
if (t) t.parentElement.classList.toggle("open");

// Set #Line in url
var id = e.target.id;
if (id && id.startsWith("L"))
history.pushState(null, null, "#" + id);
});

// Fold/unfold all button.
Expand Down
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