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docs: update test previewer #2637

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merged 1 commit into from
Aug 7, 2021
Merged

docs: update test previewer #2637

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49 changes: 41 additions & 8 deletions www/src/preview.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,18 +22,30 @@ type TestList = {[key: string]: Test[]};

function onTestChange(browserTests: Test[]) {
if (browserSelector) {
const currentSelection = browserSelector.value;
while (browserSelector.firstChild) {
browserSelector.firstChild.remove();
}

let newSelection;

browserTests.forEach((browser, i) => {
if (i === 0) {
onBrowserChange(browser);
newSelection = browser;
}
const option = document.createElement('option');
option.value = browser.id;
if (browser.id === currentSelection) {
option.selected = true;
newSelection = browser;
}
option.textContent = browser.id.replace(/_/g, ' ');
browserSelector.appendChild(option);
});

if (newSelection) {
onBrowserChange(newSelection);
}
}
}

Expand All @@ -48,13 +60,20 @@ function onBrowserChange(browserTest: Test) {
previewImage.style.transformOrigin = '';
}
}

if (history) {
history.replaceState(null, document.title, `?browser=${browserSelector?.value}&test=${testSelector?.value}`);
}
}

function selectTest(testName: string) {
if (testLink) {
testLink.textContent = testLink.href = testName;
const foundTest = testList[testName];
if (foundTest) {
if (testLink) {
testLink.textContent = testLink.href = testName;
}
onTestChange(foundTest);
}
onTestChange(testList[testName]);
}

const UP_ARROW = 38;
Expand Down Expand Up @@ -116,15 +135,29 @@ if (testSelector && browserSelector) {
false
);

const tests: string[] = Object.keys(testList);
tests.forEach((testName, i) => {
if (i === 0) {
selectTest(testName);
let testFromUrl: string | null = null;

if (URLSearchParams) {
const url = new URLSearchParams(location.search);
testFromUrl = url.get('test');
if (browserSelector) {
const option = document.createElement('option');
browserSelector.appendChild(option);
browserSelector.value = option.value = url.get('browser') ?? '';
}
}

const tests: string[] = Object.keys(testList);
tests.forEach((testName) => {
const option = document.createElement('option');
option.value = testName;
option.textContent = testName;
if (option.value === testFromUrl) {
option.selected = true;
}

testSelector.appendChild(option);
});

selectTest(testSelector.value ?? testSelector.firstChild?.textContent ?? '');
}