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Improved restore pantry to moveBefore ChildNodes and add focus tests
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@MichaelWest22
MichaelWest22 committed Dec 15, 2024
1 parent 377988f commit f377da5
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Showing 3 changed files with 127 additions and 20 deletions.
10 changes: 8 additions & 2 deletions src/idiomorph.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1135,13 +1135,19 @@ var Idiomorph = (function () {
const matchElement = root.querySelector(`#${element.id}`);
if (matchElement) {
// @ts-ignore - use proposed moveBefore feature
if (matchElement.moveBefore) {
if (matchElement.parentElement?.moveBefore) {
// @ts-ignore - use proposed moveBefore feature
matchElement.parentElement.moveBefore(element, matchElement);
while (matchElement.hasChildNodes()) {
// @ts-ignore - use proposed moveBefore feature
element.moveBefore(matchElement.firstChild,null);
}
} else {
matchElement.before(element);
while (matchElement.firstChild) {
element.insertBefore(matchElement.firstChild,null)
}
}
element.replaceChildren(...matchElement.childNodes);
syncNodeFrom(matchElement, element, ctx);
matchElement.remove();
}
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2 changes: 1 addition & 1 deletion test/bootstrap.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ describe("Bootstrap test", function(){
print(div1);

// first paragraph should have been discarded in favor of later matches
d1.innerHTML.should.equal("A");
d1.innerHTML.should.not.equal("D");

// second and third paragraph should have morphed
d2.innerHTML.should.equal("E");
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135 changes: 118 additions & 17 deletions test/two-pass.js
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Original file line number Diff line number Diff line change
Expand Up @@ -103,12 +103,14 @@ describe("Two-pass option for retaining more state", function(){
states.should.eql([true, true]);
});

it('preserves non-attribute state when elements are moved to different levels of the DOM', function()
it('preserves non-attribute state when elements are moved between different containers', function()
{
getWorkArea().append(make(`
<div>
<input type="checkbox" id="first">
<div>
<div id="left">
<input type="checkbox" id="first">
</div>
<div id="right">
<input type="checkbox" id="second">
</div>
</div>
Expand All @@ -118,8 +120,12 @@ describe("Two-pass option for retaining more state", function(){

let finalSrc = `
<div>
<input type="checkbox" id="first">
<input type="checkbox" id="second">
<div id="left">
<input type="checkbox" id="second">
</div>
<div id="right">
<input type="checkbox" id="first">
</div>
</div>
`;
Idiomorph.morph(getWorkArea(), finalSrc, {morphStyle:'innerHTML',twoPass:true});
Expand All @@ -129,7 +135,7 @@ describe("Two-pass option for retaining more state", function(){
states.should.eql([true, true]);
});

it('preserves non-attribute state when elements are moved between different containers', function()
it('preserves non-attribute state when parents are reorderd', function()
{
getWorkArea().append(make(`
<div>
Expand All @@ -146,10 +152,10 @@ describe("Two-pass option for retaining more state", function(){

let finalSrc = `
<div>
<div id="left">
<div id="right">
<input type="checkbox" id="second">
</div>
<div id="right">
<div id="left">
<input type="checkbox" id="first">
</div>
</div>
Expand All @@ -161,35 +167,130 @@ describe("Two-pass option for retaining more state", function(){
states.should.eql([true, true]);
});

it('preserves non-attribute state when parents are reorderd', function()
it('preserves focus state with two-pass option and outerHTML morphStyle', function()
{
const div = make(`
<div>
<input type="text" id="first">
<input type="text" id="second">
</div>
`);
getWorkArea().append(div);
document.getElementById("first").focus()

let finalSrc = `
<div>
<input type="text" id="second">
<input type="text" id="first">
</div>
`;
Idiomorph.morph(div, finalSrc, {morphStyle:'outerHTML',twoPass:true});

getWorkArea().innerHTML.should.equal(finalSrc);
if(document.body.moveBefore) {
document.activeElement.outerHTML.should.equal(document.getElementById("first").outerHTML);
} else {
document.activeElement.outerHTML.should.equal(document.body.outerHTML);
console.log('preserves focus state with two-pass option and outerHTML morphStyle test needs moveBefore enabled to work properly')
}
});

it('preserves focus state when elements are moved to different levels of the DOM', function()
{
getWorkArea().append(make(`
<div>
<input type="text" id="first">
<div>
<input type="text" id="second">
</div>
</div>
`));
document.getElementById("second").focus()

let finalSrc = `
<div>
<input type="text" id="first">
<input type="text" id="second">
</div>
`;
Idiomorph.morph(getWorkArea(), finalSrc, {morphStyle:'innerHTML',twoPass:true});

getWorkArea().innerHTML.should.equal(finalSrc);
if(document.body.moveBefore) {
document.activeElement.outerHTML.should.equal(document.getElementById("second").outerHTML);
} else {
document.activeElement.outerHTML.should.equal(document.body.outerHTML);
console.log('preserves focus state when elements are moved to different levels of the DOM test needs moveBefore enabled to work properly')
}
});

it.skip('preserves focus state when elements are moved between different containers', function()
{
getWorkArea().append(make(`
<div>
<div id="left">
<input type="checkbox" id="first">
<input type="text" id="first">
</div>
<div id="right">
<input type="checkbox" id="second">
<input type="text" id="second">
</div>
</div>
`));
document.getElementById("first").indeterminate = true
document.getElementById("second").indeterminate = true
document.getElementById("first").focus()

let finalSrc = `
<div>
<div id="left">
<input type="text" id="second">
</div>
<div id="right">
<input type="checkbox" id="second">
<input type="text" id="first">
</div>
</div>
`;
Idiomorph.morph(getWorkArea(), finalSrc, {morphStyle:'innerHTML',twoPass:true});

getWorkArea().innerHTML.should.equal(finalSrc);
if(document.body.moveBefore) {
document.activeElement.outerHTML.should.equal(document.getElementById("first").outerHTML);
} else {
document.activeElement.outerHTML.should.equal(document.body.outerHTML);
console.log('preserves focus state when elements are moved between different containers test needs moveBefore enabled to work properly')
}
});

it('preserves focus state when parents are reorderd', function()
{
getWorkArea().append(make(`
<div>
<div id="left">
<input type="checkbox" id="first">
<input type="text" id="first">
</div>
<div id="right">
<input type="text" id="second">
</div>
</div>
`));
document.getElementById("first").focus()

let finalSrc = `
<div>
<div id="right">
<input type="text" id="second">
</div>
<div id="left">
<input type="text" id="first">
</div>
</div>
`;
Idiomorph.morph(getWorkArea(), finalSrc, {morphStyle:'innerHTML',twoPass:true});

getWorkArea().innerHTML.should.equal(finalSrc);
const states = Array.from(getWorkArea().querySelectorAll("input")).map(e => e.indeterminate);
states.should.eql([true, true]);
if(document.body.moveBefore) {
document.activeElement.outerHTML.should.equal(document.getElementById("first").outerHTML);
} else {
document.activeElement.outerHTML.should.equal(document.body.outerHTML);
console.log('preserves focus state when parents are reorderd test needs moveBefore enabled to work properly')
}
});
});

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