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add basic transition to variable view
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| export function scrollIntoViewIfNeeded(element, scrollOptions) { | ||
| if (typeof element === "string") element = document.querySelector(element) | ||
| const rect = element.getBoundingClientRect() | ||
| const isInViewport = ( | ||
| rect.top >= 0 && | ||
| rect.left >= 0 && | ||
| rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && | ||
| rect.right <= (window.innerWidth || document.documentElement.clientWidth) | ||
| ) | ||
| if (!isInViewport) { | ||
| element.scrollIntoView({ block: "center", inline: "nearest", ...scrollOptions }); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /** matches(attributeValue): boolean */ | ||
| export function waitForAttribute(node, attributeName, matches, timeout) { | ||
| let _resolve, _reject | ||
| let promise = new Promise(function (resolve, reject) { | ||
| _resolve = resolve | ||
| _reject = reject | ||
| }) | ||
|
|
||
| const observer = new MutationObserver(function (mutationList) { | ||
| for (const mutation of mutationList) { | ||
| if (mutation.type === "attributes" && mutation.attributeName === attributeName) { | ||
| if (matches(node.getAttribute(mutation.attributeName))) { | ||
| _resolve() | ||
| observer.disconnect() | ||
| clearTimeout(timerId) | ||
| } | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| // first time check | ||
| if (matches(node.getAttribute(attributeName))) { | ||
| _resolve() | ||
| return promise | ||
| } | ||
|
|
||
| const timeoutOption = timeout !== undefined ? timeout : 2000 | ||
|
|
||
| // start | ||
| observer.observe(node, { | ||
| attributes: true, | ||
| attributeFilter: [attributeName] | ||
| }) | ||
|
|
||
| // timeout | ||
| var timerId = timeoutOption !== null ? setTimeout(function () { | ||
| _reject(new Error("element attribute never matched, timed out:" + selector)); | ||
| observer.disconnect(); | ||
| }, timeoutOption) : undefined; | ||
|
|
||
| return promise | ||
|
|
||
| } | ||
|
|
||
| /** Adapted from wait-for-element */ | ||
| export function waitForElement(selector, timeout) { | ||
| var _resolve, _reject; | ||
| var promise = new Promise(function (resolve, reject) { | ||
| _resolve = resolve; | ||
| _reject = reject; | ||
| }); | ||
|
|
||
|
|
||
| var observer = new MutationObserver(function (mutations) { | ||
| mutations.forEach(function (mutation) { | ||
| for (var i = 0; i < mutation.addedNodes.length; i++) { | ||
| var addedNode = mutation.addedNodes[i]; | ||
| if (typeof addedNode.matches === "function" && addedNode.matches(selector)) { | ||
| _resolve(addedNode); | ||
| observer.disconnect(); | ||
| clearTimeout(timerId); | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
| // first time check | ||
| var element = document.querySelector(selector); | ||
| if (element != null) { | ||
| _resolve(element); | ||
| return promise; | ||
| } | ||
| var timeoutOption = timeout !== undefined ? timeout : 2000;// 2s | ||
| // start | ||
| observer.observe(document.body, { | ||
| childList: true, subtree: true | ||
| }) | ||
| // timeout | ||
| var timerId = timeoutOption !== null ? setTimeout(function () { | ||
| _reject(new Error("Not found element match the selector:" + selector)); | ||
| observer.disconnect(); | ||
| }, timeoutOption) : undefined; | ||
|
|
||
| return promise; | ||
| } | ||
|
|
||
| /** Adapted from wait-for-element */ | ||
| export function waitForNoElement(selector, timeout) { | ||
| var _resolve, _reject; | ||
| var promise = new Promise(function (resolve, reject) { | ||
| _resolve = resolve; | ||
| _reject = reject; | ||
| }); | ||
|
|
||
|
|
||
| var observer = new MutationObserver(function (mutations) { | ||
| mutations.forEach(function (mutation) { | ||
| for (var i = 0; i < mutation.removedNodes.length; i++) { | ||
| var removedNode = mutation.removedNodes[i]; | ||
| if (typeof removedNode.matches === "function" && removedNode.matches(selector)) { | ||
| // Run a check | ||
| if (!document.querySelector(selector)) { | ||
| _resolve(); | ||
| observer.disconnect(); | ||
| clearTimeout(timerId); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| }); | ||
| // first time check | ||
| if (!document.querySelector(selector)) { | ||
| _resolve(); | ||
| return promise; | ||
| } | ||
| var timeoutOption = timeout !== undefined ? timeout : 2000;// 2s | ||
| // start | ||
| observer.observe(document.body, { | ||
| childList: true, subtree: true | ||
| }); | ||
| // timeout | ||
| var timerId = timeoutOption !== null ? setTimeout(function () { | ||
| _reject(new Error("elements matching the selector still exist: " + selector)); | ||
| observer.disconnect(); | ||
| }, timeoutOption) : undefined; | ||
|
|
||
| return promise; | ||
| } |
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