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110 changes: 110 additions & 0 deletions site/_includes/timeline.njk
Original file line number Diff line number Diff line change
@@ -0,0 +1,110 @@
<div class="feature-timeline" id="{{ feature.id }}-timeline">
</div>
<script type="module" defer>
const featureTimelineContainer = document.getElementById("{{ feature.id }}-timeline");

const featureData = [
{% if feature.status.baseline === "low" %}
{
"event": "low",
"date": new Date("{{ feature.status.baseline_low_date }}"),
"datestring": "{{ feature.status.baseline_low_date }}"
},
{% endif %}
{% if feature.status.baseline === "high" %}
{
"event": "high",
"date": new Date("{{ feature.status.baseline_high_date }}"),
"datestring": "{{ feature.status.baseline_high_date }}"
},
{% endif %}
{% for browser in browsers %}
{% set version = feature.status.support[browser.id] %}
{% if version %}
{
"event": "{{ browser.id }}",
"date": new Date("{{ browser.releases[version].release_date }}"),
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This will need fixing with the recent change where certain versions can contain the character. For example the sub-sup feature.

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@captainbrosset captainbrosset Jul 19, 2024

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See acafc29.

"datestring": "{{ browser.releases[version].release_date }}"
},
{% endif %}
{% endfor %}
];

function getFeatureTimeline(timelineStart, timelineEnd) {
let data = [...featureData];

data.push({
"event": "start",
"date": new Date(timelineStart),
"datestring": timelineStart
});

data.push({
"event": "end",
"date": new Date(timelineEnd),
"datestring": timelineEnd
});

// Add year start events between start and end.
const startYear = new Date(timelineStart).getFullYear() + 1;
const endYear = new Date(timelineEnd).getFullYear();

for (let year = startYear; year <= endYear; year++) {
data.push({
"event": "year",
"date": new Date(year, 0, 1),
"datestring": year
});
}

data = data.sort((a, b) => a.date - b.date);

// Calculate the total time span.
const oneDay = 1000 * 60 * 60 * 24;
const firstDate = data[0].date;
const lastDate = data[data.length - 1].date;
const totalDays = (lastDate - firstDate) / oneDay;

// Calculate the position of each event.
return data.map(event => {
const days = (event.date - firstDate) / oneDay;
event.position = days / totalDays * 100;
return event;
});
}

function renderTimeline(timelineStart, timelineEnd) {
getFeatureTimeline(timelineStart, timelineEnd).forEach(event => {
if (event.event === "start" || event.event === "end") {
return;
}

const div = document.createElement("div");

div.classList.add("event", event.event);
if (event.event !== "year") {
div.dataset.event = event.event;
div.dataset.date = new Date(event.date).toLocaleDateString("en-US", { month: "long", year: "numeric" });
} else {
div.dataset.date = event.datestring;
}

div.style.left = event.position + "%";

featureTimelineContainer.appendChild(div);
});
}

// Render the initial timeline with, by default, a time span of
// 6 months before the first impl, and 6 months after the last event.
const [start, ...rest] = featureData.sort((a, b) => a.date - b.date);
const end = rest.splice(-1)[0];

const startDate = new Date(start.date);
startDate.setMonth(startDate.getMonth() - 6);

const endDate = new Date(end.date);
endDate.setMonth(endDate.getMonth() + 6);

renderTimeline(startDate.toISOString().split("T")[0], endDate.toISOString().split("T")[0]);
</script>
153 changes: 114 additions & 39 deletions site/assets/styles.css
Original file line number Diff line number Diff line change
Expand Up @@ -170,12 +170,12 @@ h3 .subtext {
/* FIXME: This is bad for accessibility. Change the order in which sub-tags are generated
in tags.njk instead. */
flex-direction: row-reverse;
gap: .25rem;
gap: 0.25rem;
}

.tags .tag:has(.sub-tag) .sub-tag:not(:last-child)::before {
content: ">";
margin-inline-end: .25rem;
margin-inline-end: 0.25rem;
}

.compat {
Expand All @@ -185,18 +185,18 @@ h3 .subtext {
}

.compat .browser {
--bg: var(--browser-unsupported-bg);
padding: 1.25rem 0.55rem 0.25rem 0.5rem;
border-radius: 0.25rem;
border: 2px solid color-mix(in srgb, var(--bg) 90%, black);
background-color: var(--bg);
background-position: center .25rem;
background-repeat: no-repeat;
background-size: 1rem;
display: flex;
flex-direction: column;
align-items: center;
min-width: 4rem;
--bg: var(--browser-unsupported-bg);
padding: 1.25rem 0.55rem 0.25rem 0.5rem;
border-radius: 0.25rem;
border: 2px solid color-mix(in srgb, var(--bg) 90%, black);
background-color: var(--bg);
background-position: center 0.25rem;
background-repeat: no-repeat;
background-size: 1rem;
display: flex;
flex-direction: column;
align-items: center;
min-width: 4rem;
}

.compat .browser.supported {
Expand Down Expand Up @@ -263,12 +263,23 @@ nav li {
}

nav li.monthly {
background-image: linear-gradient(to top right, var(--baseline-high-label-bg), var(--baseline-low-label-bg), var(--baseline-limited-label-bg));
background-image: linear-gradient(
to top right,
var(--baseline-high-label-bg),
var(--baseline-low-label-bg),
var(--baseline-limited-label-bg)
);
}

nav li.recent {background: var(--baseline-low-label-bg);}
nav li.baseline {background: var(--baseline-high-label-bg);}
nav li.nobaseline {background: var(--baseline-limited-label-bg);}
nav li.recent {
background: var(--baseline-low-label-bg);
}
nav li.baseline {
background: var(--baseline-high-label-bg);
}
nav li.nobaseline {
background: var(--baseline-limited-label-bg);
}

.mdn-docs {
display: flex;
Expand All @@ -287,15 +298,15 @@ nav li.nobaseline {background: var(--baseline-limited-label-bg);}
}

.mdn-docs-area::before {
content: attr(data-area);
text-transform: uppercase;
font-size: small;
padding: .25rem;
background: #fff5;
border: 2px solid #0003;
position: absolute;
inset: 0 0 auto auto;
border-width: 0 0 2px 2px;
content: attr(data-area);
text-transform: uppercase;
font-size: small;
padding: 0.25rem;
background: #fff5;
border: 2px solid #0003;
position: absolute;
inset: 0 0 auto auto;
border-width: 0 0 2px 2px;
}

.mdn-docs h4 {
Expand Down Expand Up @@ -365,7 +376,7 @@ nav li.nobaseline {background: var(--baseline-limited-label-bg);}

.month-update h2 {
display: flex;
gap: .5rem;
gap: 0.5rem;
justify-content: space-between;
}

Expand All @@ -374,7 +385,7 @@ nav li.nobaseline {background: var(--baseline-limited-label-bg);}
}

.groups li {
padding: .25rem;
padding: 0.25rem;
}

.groups li li {
Expand All @@ -387,7 +398,7 @@ nav li.nobaseline {background: var(--baseline-limited-label-bg);}

.groups details[open] {
background-image: linear-gradient(to right, black 1px, transparent 0);
background-position: .3rem 1rem;
background-position: 0.3rem 1rem;
background-size: 100% calc(100% - 1rem);
background-repeat: no-repeat;
}
Expand All @@ -399,24 +410,88 @@ footer {
font-size: smaller;
}

#timeline {
.feature-timeline {
width: 100%;
height: 2px;
background: black;
position: relative;
margin: 7rem 0;
}

.feature-timeline .event {
position: absolute;
top: -1rem;
bottom: -1rem;
width: 2px;
background: black;
}

.feature-timeline .event::before {
content: attr(data-event);
position: absolute;
bottom: 0;
transform: rotate(90deg) translateY(0.5rem);
transform-origin: bottom left;
}

.feature-timeline .event::after {
content: attr(data-date);
position: absolute;
width: 10rem;
top: 0;
transform: rotate(-90deg) translateY(-0.75rem);
transform-origin: top left;
}

.feature-timeline .event.year {
background: transparent;
}

.feature-timeline .event.year::after {
transform: translate(-1.2rem, 0.25rem);
font-size: 0.8rem;
font-weight: bold;
background: white;
width: unset;
padding: 0.25rem;
border-radius: 0.25rem;
border: 1px solid black;
text-align: center;
}

.feature-timeline .event.low::before,
.feature-timeline .event.high::before {
content: "";
width: 1.5rem;
height: 1.5rem;
background-image: url(./baseline-high.svg);
background-repeat: no-repeat;
transform: translate(-0.75rem, 1.5rem);
background-position: center;
}

.feature-timeline .event.low::before {
background-image: url(./baseline-low.svg);
}

#timeline {
overflow-x: auto;
overflow-y: auto;
height: calc(100vh - 16rem);
display: grid;
grid-auto-columns: 7rem;
font-size: .6rem;
font-size: 0.6rem;
gap: 1px;
background: var(--text);
}

#timeline .timeline-year {
grid-row: 1;
display: grid;
grid-auto-rows: 1rem;
width: 6.5rem;
background: var(--background);
padding: 0 .25rem;
grid-row: 1;
display: grid;
grid-auto-rows: 1rem;
width: 6.5rem;
background: var(--background);
padding: 0 0.25rem;
}
#timeline .timeline-year h2 {
font-size: inherit;
Expand All @@ -427,4 +502,4 @@ footer {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
}
4 changes: 3 additions & 1 deletion site/feature.njk
Original file line number Diff line number Diff line change
Expand Up @@ -9,4 +9,6 @@ eleventyComputed:
title: "{{ feature.name }}"
---

{% include "feature_full.njk" %}
{% include "feature_full.njk" %}

{% include "timeline.njk" %}