2 files changed, 69 insertions, 0 deletions
diff --git a/src/content/dependencies/generateAbsoluteDatetimestamp.js b/src/content/dependencies/generateAbsoluteDatetimestamp.js
new file mode 100644
index 00000000..63acecf2
--- /dev/null
+++ b/src/content/dependencies/generateAbsoluteDatetimestamp.js
@@ -0,0 +1,41 @@
+export default {
+  contentDependencies: ['generateDatetimestampTemplate'],
+  extraDependencies: ['html', 'language'],
+
+  data: (date) =>
+    ({date}),
+
+  relations: (relation) =>
+    ({template: relation('generateDatetimestampTemplate')}),
+
+  slots: {
+    style: {
+      validate: v => v.is('full', 'year'),
+      default: 'full',
+    },
+
+    // Only has an effect for 'year' style.
+    tooltip: {
+      type: 'boolean',
+      default: false,
+    },
+  },
+
+  generate: (data, relations, slots, {language}) =>
+    relations.template.slots({
+      mainContent:
+        (slots.style === 'full'
+          ? language.formatDate(data.date)
+       : slots.style === 'year'
+          ? data.date.getFullYear().toString()
+          : null),
+
+      tooltipContent:
+        slots.tooltip &&
+        slots.style === 'year' &&
+          language.formatDate(data.date),
+
+      datetime:
+        data.date.toISOString(),
+    }),
+};
diff --git a/src/content/dependencies/generateDatetimestampTemplate.js b/src/content/dependencies/generateDatetimestampTemplate.js
new file mode 100644
index 00000000..bfba647f
--- /dev/null
+++ b/src/content/dependencies/generateDatetimestampTemplate.js
@@ -0,0 +1,28 @@
+export default {
+  extraDependencies: ['html'],
+
+  slots: {
+    mainContent: {type: 'html'},
+    tooltipContent: {type: 'html'},
+    datetime: {type: 'string'},
+  },
+
+  generate: (slots, {html}) =>
+    html.tag('span', {
+      [html.joinChildren]: '',
+
+      class: [
+        'datetimestamp',
+        slots.tooltipContent && 'has-tooltip',
+      ],
+    }, [
+      html.tag('time',
+        {datetime: slots.datetime},
+        slots.mainContent),
+
+      slots.tooltipContent &&
+        html.tag('span', {class: 'datetimestamp-tooltip'},
+          html.tag('span', {class: 'datetimestamp-tooltip-content'},
+            slots.tooltipContent)),
+    ]),
+};