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feat(demos): render keyword classifications in ctxSegments demo #313

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Merged
mosherBT merged 1 commit into from
Aug 11, 2026
Merged

feat(demos): render keyword classifications in ctxSegments demo #313

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38 changes: 34 additions & 4 deletions demos/vanilla/nocookies/targeting/ctx_segments.html.tpl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -222,14 +222,18 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
}

// Render the classifications response into a human-readable set of tables.
// The DCN returns a single `classifications` object with a `categories` array;
// each category carries its own `taxonomy`, so we group categories by taxonomy.
// The DCN returns a single `classifications` object that may carry a
// `categories` array and/or a `keywords` array, depending on which
// classifiers the node has enabled. Each category carries its own
// `taxonomy`, so we group categories by taxonomy; keywords are a flat list.
function renderClassifications(response) {
var classifications = response && response.classifications;
var categories =
classifications && Array.isArray(classifications.categories) ? classifications.categories : [];
var keywords =
classifications && Array.isArray(classifications.keywords) ? classifications.keywords : [];

if (categories.length === 0) {
if (categories.length === 0 && keywords.length === 0) {
return "<p><em>No contextual classifications were returned for this URL.</em></p>";
}

Expand All @@ -245,7 +249,7 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
byTaxonomy[taxonomy].push(category);
});

return order
var html = order
.map(function (taxonomy) {
var rows = byTaxonomy[taxonomy]
.map(function (category) {
Expand Down Expand Up @@ -278,6 +282,32 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
);
})
.join("");

// Keywords carry no taxonomy tree, so they render as a flat list.
// `prominence` is an ordinal rank within this page's keywords (1 = most
// prominent), not a score, so it is shown as a plain rank rather than a
// score bar.
if (keywords.length > 0) {
var keywordRows = keywords
.map(function (keyword) {
return (
"<tr><td>" +
escapeHtml(keyword.keyword) +
"</td><td>" +
escapeHtml(keyword.prominence) +
"</td></tr>"
);
})
.join("");

html +=
"<h6>Keywords</h6>" +
'<table class="u-full-width"><thead><tr><th>Keyword</th><th>Prominence (rank)</th></tr></thead><tbody>' +
keywordRows +
"</tbody></table>";
}

return html;
}

document.getElementById("ctx-button").addEventListener("click", function () {
Expand Down
38 changes: 34 additions & 4 deletions demos/vanilla/targeting/ctx_segments.html.tpl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -219,14 +219,18 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
}

// Render the classifications response into a human-readable set of tables.
// The DCN returns a single `classifications` object with a `categories` array;
// each category carries its own `taxonomy`, so we group categories by taxonomy.
// The DCN returns a single `classifications` object that may carry a
// `categories` array and/or a `keywords` array, depending on which
// classifiers the node has enabled. Each category carries its own
// `taxonomy`, so we group categories by taxonomy; keywords are a flat list.
function renderClassifications(response) {
var classifications = response && response.classifications;
var categories =
classifications && Array.isArray(classifications.categories) ? classifications.categories : [];
var keywords =
classifications && Array.isArray(classifications.keywords) ? classifications.keywords : [];

if (categories.length === 0) {
if (categories.length === 0 && keywords.length === 0) {
return "<p><em>No contextual classifications were returned for this URL.</em></p>";
}

Expand All @@ -242,7 +246,7 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
byTaxonomy[taxonomy].push(category);
});

return order
var html = order
.map(function (taxonomy) {
var rows = byTaxonomy[taxonomy]
.map(function (category) {
Expand Down Expand Up @@ -275,6 +279,32 @@ loadGAM(optable.instance.ctxTargetingKeyValues({ iab_ct_3_1: "ctx_iab" }));</cod
);
})
.join("");

// Keywords carry no taxonomy tree, so they render as a flat list.
// `prominence` is an ordinal rank within this page's keywords (1 = most
// prominent), not a score, so it is shown as a plain rank rather than a
// score bar.
if (keywords.length > 0) {
var keywordRows = keywords
.map(function (keyword) {
return (
"<tr><td>" +
escapeHtml(keyword.keyword) +
"</td><td>" +
escapeHtml(keyword.prominence) +
"</td></tr>"
);
})
.join("");

html +=
"<h6>Keywords</h6>" +
'<table class="u-full-width"><thead><tr><th>Keyword</th><th>Prominence (rank)</th></tr></thead><tbody>' +
keywordRows +
"</tbody></table>";
}

return html;
}

document.getElementById("ctx-button").addEventListener("click", function () {
Expand Down
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