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feat: close #75, export getLockState
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| import { getLockState } from 'tua-body-scroll-lock' | ||
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| export function printLockedNum () { | ||
| console.log('scroll.local:', getLockState({ useGlobalLockState: false }).lockedNum, 'scroll.global:', getLockState({ useGlobalLockState: true }).lockedNum) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,131 +1,3 @@ | ||
| import { getLockState } from './getLockState' | ||
| import { handleScroll } from './handleScroll' | ||
| import { setOverflowHiddenMobile, setOverflowHiddenPc } from './setOverflowHidden' | ||
| import type { BSLOptions, Nullable } from './types' | ||
| import { | ||
| isServer, | ||
| detectOS, | ||
| getPreventEventDefault, | ||
| getEventListenerOptions, | ||
| noticeRequiredTargetElement, | ||
| } from './utils' | ||
|
|
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| const eventListenerOptions = getEventListenerOptions({ passive: false }) | ||
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| function lock (targetElement?: Nullable<HTMLElement>, options?: BSLOptions) { | ||
| if (isServer()) return | ||
|
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| noticeRequiredTargetElement(targetElement) | ||
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| const lockState = getLockState(options) | ||
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| if (detectOS().ios) { | ||
| // iOS | ||
| if (targetElement) { | ||
| const elementArray = Array.isArray(targetElement) ? targetElement : [targetElement] | ||
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| elementArray.forEach((element) => { | ||
| if (element && lockState.lockedElements.indexOf(element) === -1) { | ||
| element.ontouchstart = (event) => { | ||
| const { clientX, clientY } = event.targetTouches[0] | ||
| lockState.initialClientPos = { clientX, clientY } | ||
| } | ||
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| element.ontouchmove = (event) => { | ||
| if (event.targetTouches.length !== 1) return | ||
|
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| handleScroll(event, element, lockState.initialClientPos) | ||
| } | ||
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| lockState.lockedElements.push(element) | ||
| } | ||
| }) | ||
| } | ||
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| if (!lockState.documentListenerAdded) { | ||
| document.addEventListener('touchmove', getPreventEventDefault(), eventListenerOptions) | ||
| lockState.documentListenerAdded = true | ||
| } | ||
| } else if (lockState.lockedNum <= 0) { | ||
| lockState.unLockCallback = detectOS().android | ||
| ? setOverflowHiddenMobile(options) | ||
| : setOverflowHiddenPc() | ||
| } | ||
|
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| lockState.lockedNum += 1 | ||
| } | ||
|
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| function unlock (targetElement?: Nullable<HTMLElement>, options?: BSLOptions) { | ||
| if (isServer()) return | ||
|
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| noticeRequiredTargetElement(targetElement) | ||
|
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| const lockState = getLockState(options) | ||
|
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| lockState.lockedNum -= 1 | ||
| if (lockState.lockedNum > 0) return | ||
|
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||
| if ( | ||
| !detectOS().ios && | ||
| typeof lockState.unLockCallback === 'function' | ||
| ) { | ||
| lockState.unLockCallback() | ||
| return | ||
| } | ||
|
|
||
| // iOS | ||
| if (targetElement) { | ||
| const elementArray = Array.isArray(targetElement) ? targetElement : [targetElement] | ||
|
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| elementArray.forEach((element) => { | ||
| const index = lockState.lockedElements.indexOf(element) | ||
|
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| if (index !== -1) { | ||
| element.ontouchmove = null | ||
| element.ontouchstart = null | ||
| lockState.lockedElements.splice(index, 1) | ||
| } | ||
| }) | ||
| } | ||
|
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| if (lockState.documentListenerAdded) { | ||
| document.removeEventListener('touchmove', getPreventEventDefault(), eventListenerOptions) | ||
| lockState.documentListenerAdded = false | ||
| } | ||
| } | ||
|
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| function clearBodyLocks (options?: BSLOptions) { | ||
| if (isServer()) return | ||
|
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| const lockState = getLockState(options) | ||
|
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| lockState.lockedNum = 0 | ||
|
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||
| if ( | ||
| !detectOS().ios && | ||
| typeof lockState.unLockCallback === 'function' | ||
| ) { | ||
| lockState.unLockCallback() | ||
| return | ||
| } | ||
|
|
||
| // iOS | ||
| if (lockState.lockedElements.length) { | ||
| // clear events | ||
| let element = lockState.lockedElements.pop() | ||
| while (element) { | ||
| element.ontouchmove = null | ||
| element.ontouchstart = null | ||
|
|
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| element = lockState.lockedElements.pop() | ||
| } | ||
| } | ||
|
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| if (lockState.documentListenerAdded) { | ||
| document.removeEventListener('touchmove', getPreventEventDefault(), eventListenerOptions) | ||
| lockState.documentListenerAdded = false | ||
| } | ||
| } | ||
|
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| export * from './types' | ||
| export { lock, unlock, clearBodyLocks } | ||
| export * from './getLockState' | ||
| export { lock, unlock, clearBodyLocks } from './methods' |
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