<!DOCTYPE html>
<head>
<script src="support/scrollbars.js"></script>
<style>
.horizontal-header {
width: 120px;
}
.vertical-header {
width: 60px;
}
.container-row {
display: flex;
flex-direction: row;
align-items: flex-start;
justify-content: flex-start;
}
.container {
flex: none;
margin: 5px;
}
.ltr {
direction: ltr;
}
.rtl {
direction: rtl;
}
.horizontal {
writing-mode: horizontal-tb;
}
.flipped-blocks {
writing-mode: vertical-rl;
}
.flipped-lines {
writing-mode: vertical-lr;
}
.flex {
border: 2px solid red;
overflow: scroll;
max-width: 100px;
max-height: 100px;
white-space: nowrap;
font-size: 0;
scrollbar-width: thin;
scrollbar-color: black white;
}
.row > div, .row-reverse > div {
display: inline-flex;
}
.column > div, .column-reverse > div {
display: flex;
}
.flex > div {
width: 30px;
height: 30px;
border: 2px solid blue;
flex-direction: column;
justify-content: center;
}
.flex > div > div {
font-size: 20px;
text-align: center;
flex: none;
}
</style>
</head>
<div class="container-row">
<div class="vertical-header ltr horizontal"></div>
<div class="horizontal-header ltr horizontal">ltr<br>horizontal-tb</div>
<div class="vertical-header ltr flipped-blocks">ltr<br>vertical-rl</div>
<div class="vertical-header ltr flipped-blocks">ltr<br>vertical-lr</div>
<div class="horizontal-header rtl horizontal">rtl<br>horizontal-tb</div>
<div class="vertical-header rtl flipped-blocks">rtl<br>vertical-rl</div>
<div class="vertical-header rtl flipped-blocks">rtl<br>vertical-lr</div>
</div>
<script>
// Override createContentNode to emulate reverse flow direction.
createContentNode = (flexDirection, textDirection, writingMode) => {
var flexNode = document.createElement("div");
flexNode.className = "flex " + flexDirection;
flexNode.title = "flex-direction: " + flexDirection + "; direction: " + textDirection + "; writing-mode: " + writingMode;
for (var i = 1; i < 4; i++)
flexNode.appendChild(createLeafNode(flexDirection.endsWith("reverse") ? 4 - i : i));
return flexNode;
}
flexDirections.forEach((flexDirection) => {
var containerRow = createContainerRow(flexDirection);
document.body.appendChild(containerRow);
});
// Scroll all flex containers to the emulated beginning of flow.
var nodes = document.querySelectorAll(".ltr > .row-reverse");
for (var i = 0; i < nodes.length; i++) {
nodes[i].scrollLeft = 10000;
nodes[i].scrollTop = 10000;
}
nodes = document.querySelectorAll(".rtl > .row-reverse");
for (var i = 0; i < nodes.length; i++) {
nodes[i].scrollLeft = -10000;
nodes[i].scrollTop = -10000;
}
nodes = document.querySelectorAll(".column-reverse");
for (var i = 0; i < nodes.length; i++) {
nodes[i].scrollLeft = 10000;
nodes[i].scrollTop = 10000;
}
nodes = document.querySelectorAll(".flipped-blocks > .column-reverse");
for (var i = 0; i < nodes.length; i++) {
nodes[i].scrollLeft = -10000;
nodes[i].scrollTop = 0;
}
</script>
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