Skip to content

Fix compare-mode prompt templating preview #21

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
MariaHov merged 1 commit into from
Sep 22, 2026
Merged

Fix compare-mode prompt templating preview #21

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 17 additions & 0 deletions public/app.css
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -391,6 +391,13 @@ code {
color: var(--Colors-Text-Body-Light);
}

.eval-field__usage {
margin-left: 6px;
font-size: 0.6875rem;
font-weight: 400;
color: var(--Colors-Text-Body-Light);
}

.eval-controls-row {
display: flex;
flex-wrap: wrap;
Expand Down Expand Up @@ -743,6 +750,12 @@ select.input {
color: var(--Colors-Text-Body-Light);
}

.eval-case-prompt-preview__prompt-label {
margin: var(--UI-Spacing-spacing-s, 12px) 0 4px;
font-weight: 600;
color: var(--Colors-Text-Body-Medium);
}

.eval-case-prompt-preview .eval-template-preview {
min-height: 6rem;
max-height: 16rem;
Expand All @@ -754,6 +767,10 @@ select.input {
line-height: 1.5;
}

.eval-case-prompt-preview .eval-case-prompt-preview__prompt-label + .eval-template-preview {
margin-top: 0;
}

@media (max-width: 600px) {
.eval-example {
grid-template-columns: 1fr;
Expand Down
65 changes: 56 additions & 9 deletions public/app.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,16 @@ function activeTemplateFields() {
});
}

function fieldPromptUsageNote(fieldName) {
if (!session.compareMode || !PROMPT_TEMPLATING.dynamicFields) return '';
const inA = findPromptPlaceholders(promptAEl.value).includes(fieldName);
const inB = findPromptPlaceholders(promptBEl.value).includes(fieldName);
if (inA && inB) return '';
if (inA) return 'A only';
if (inB) return 'B only';
return '';
}

function parseTemplateParts(template) {
const parts = [];
const source = String(template ?? '');
Expand Down Expand Up @@ -637,9 +647,15 @@ function renderCases() {
const value = field.name === 'input'
? c.input
: (c.variables?.[field.name] ?? '');
const usageNote = fieldPromptUsageNote(field.name);
return `
<label class="eval-field">
<span class="body-xxsmall eval-field__label">${escapeHtml(field.label)}</span>
<span class="body-xxsmall eval-field__label">
${escapeHtml(field.label)}
${usageNote
? `<span class="eval-field__usage">${escapeHtml(usageNote)}</span>`
: ''}
</span>
<textarea
class="input"
${field.name === 'input'
Expand Down Expand Up @@ -674,17 +690,34 @@ function renderCases() {
: '';
const previewOpen = !hadPreviews || openPreviews.has(c.id);
const casePreviewHtml = PROMPT_TEMPLATING.dynamicFields && PROMPT_TEMPLATING.showPreview
? `
? (
session.compareMode
? `
<details class="eval-case-prompt-preview"${previewOpen ? ' open' : ''}>
<summary class="eval-case-prompt-preview__summary">
<span class="eval-case-prompt-preview__heading">
<span class="body-xsmall eval-case-prompt-preview__title">Full prompts for this case</span>
<span class="body-xxsmall eval-case-prompt-preview__hint">Exact text sent for Prompt A and Prompt B</span>
</span>
</summary>
<p class="body-xxsmall eval-case-prompt-preview__prompt-label">Prompt A</p>
<pre class="eval-template-preview body-small" data-case-prompt-preview="A"></pre>
<p class="body-xxsmall eval-case-prompt-preview__prompt-label">Prompt B</p>
<pre class="eval-template-preview body-small" data-case-prompt-preview="B"></pre>
</details>
`
: `
<details class="eval-case-prompt-preview"${previewOpen ? ' open' : ''}>
<summary class="eval-case-prompt-preview__summary">
<span class="eval-case-prompt-preview__heading">
<span class="body-xsmall eval-case-prompt-preview__title">Full prompt for this case</span>
<span class="body-xxsmall eval-case-prompt-preview__hint">Exact text sent to the model</span>
</span>
</summary>
<pre class="eval-template-preview body-small" data-case-prompt-preview></pre>
<pre class="eval-template-preview body-small" data-case-prompt-preview="A"></pre>
</details>
`
)
: '';
return `
<article class="eval-case" data-case-id="${escapeHtml(c.id)}">
Expand Down Expand Up @@ -830,13 +863,23 @@ function updateInlineCasePreviews() {
if (!PROMPT_TEMPLATING.dynamicFields || !PROMPT_TEMPLATING.showPreview) return;
const examples = PROMPT_TEMPLATING.allowExamples ? (session.examples ?? []) : [];
[...casesListEl.querySelectorAll('.eval-case')].forEach((card, index) => {
const preview = card.querySelector('[data-case-prompt-preview]');
const previewA = card.querySelector('[data-case-prompt-preview="A"]')
?? card.querySelector('[data-case-prompt-preview]');
const previewB = card.querySelector('[data-case-prompt-preview="B"]');
const testCase = session.cases[index];
if (!preview || !testCase) return;
preview.textContent = renderPromptTemplate(promptAEl.value, testCase.input, {
variables: testCase.variables,
examples,
}) || '(empty prompt)';
if (!testCase) return;
if (previewA) {
previewA.textContent = renderPromptTemplate(promptAEl.value, testCase.input, {
variables: testCase.variables,
examples,
}) || '(empty prompt)';
}
if (previewB) {
previewB.textContent = renderPromptTemplate(promptBEl.value, testCase.input, {
variables: testCase.variables,
examples,
}) || '(empty prompt)';
}
});
}

Expand Down Expand Up @@ -1430,14 +1473,18 @@ async function init() {

enableCompareBtn.addEventListener('click', () => {
if (!ALLOW_COMPARE) return;
syncCasesFromDom();
session.compareMode = true;
syncCompareModeUi();
if (PROMPT_TEMPLATING.dynamicFields) renderCases();
persistSessionNow();
});

disableCompareBtn.addEventListener('click', () => {
syncCasesFromDom();
session.compareMode = false;
syncCompareModeUi();
if (PROMPT_TEMPLATING.dynamicFields) renderCases();
persistSessionNow();
});

Expand Down
Loading