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https://code.equilibrium.co.ao/ITO/doneit-web.git
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12 KiB
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1 line
12 KiB
JSON
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{"ast":null,"code":"const KEYBOARD_DID_OPEN = 'ionKeyboardDidShow';\nconst KEYBOARD_DID_CLOSE = 'ionKeyboardDidHide';\nconst KEYBOARD_THRESHOLD = 150;\nlet previousVisualViewport = {};\nlet currentVisualViewport = {};\nlet keyboardOpen = false;\n/**\n * This is only used for tests\n */\nconst resetKeyboardAssist = () => {\n previousVisualViewport = {};\n currentVisualViewport = {};\n keyboardOpen = false;\n};\nconst startKeyboardAssist = win => {\n startNativeListeners(win);\n if (!win.visualViewport) {\n return;\n }\n currentVisualViewport = copyVisualViewport(win.visualViewport);\n win.visualViewport.onresize = () => {\n trackViewportChanges(win);\n if (keyboardDidOpen() || keyboardDidResize(win)) {\n setKeyboardOpen(win);\n } else if (keyboardDidClose(win)) {\n setKeyboardClose(win);\n }\n };\n};\n/**\n * Listen for events fired by native keyboard plugin\n * in Capacitor/Cordova so devs only need to listen\n * in one place.\n */\nconst startNativeListeners = win => {\n win.addEventListener('keyboardDidShow', ev => setKeyboardOpen(win, ev));\n win.addEventListener('keyboardDidHide', () => setKeyboardClose(win));\n};\nconst setKeyboardOpen = (win, ev) => {\n fireKeyboardOpenEvent(win, ev);\n keyboardOpen = true;\n};\nconst setKeyboardClose = win => {\n fireKeyboardCloseEvent(win);\n keyboardOpen = false;\n};\n/**\n * Returns `true` if the `keyboardOpen` flag is not\n * set, the previous visual viewport width equal the current\n * visual viewport width, and if the scaled difference\n * of the previous visual viewport height minus the current\n * visual viewport height is greater than KEYBOARD_THRESHOLD\n *\n * We need to be able to accommodate users who have zooming\n * enabled in their browser (or have zoomed in manually) which\n * is why we take into account the current visual viewport's\n * scale value.\n */\nconst keyboardDidOpen = () => {\n const scaledHeightDifference = (previousVisualViewport.height - currentVisualViewport.height) * currentVisualViewport.scale;\n return !keyboardOpen && previousVisualViewport.width === currentVisualViewport.width && scaledHeightDifference > KEYBOARD_THRESHOLD;\n};\n/**\n * Returns `true` if the keyboard is open,\n * but the keyboard did not close\n */\nconst keyboardDidResize = win => {\n return keyboardOpen && !keyboardDidClose(win);\n};\n/**\n * Determine if the keyboard was closed\n * Returns `true` if the `keyboardOpen` flag is set and\n * the current visual viewport height equals the\n * layout viewport height.\n */\nconst keyboardDidClose = win => {\n return keyboardOpen && currentVisualViewport.height === win.innerHeight;\n};\n/**\n * Dispatch a keyboard open event\n */\nconst fireKeyboardOpenEvent = (win, nativeEv) => {\n const keyboardHeight = nativeEv ? nativeEv.keyboardHeight : win.innerHeight - currentVisualViewport.height;\n const ev = new CustomEvent(KEYBOARD_DID_OPEN, {\n detail: {\n keyboardHeight\n }\n });\n win.dispatchEvent(ev);\n};\n/**\n * Dispatch a keyboard close event\n */\nconst fireKeyboardCloseEvent = win => {\n const ev = new CustomEvent(KEYBOARD_DID_CLOSE);\n win.dispatchEvent(ev);\n};\n/**\n * Given a window object, create a copy of\n * the current visual and layout viewport states\n * while also preserving the previous visual and\n * layout viewport states\n */\nconst trackViewportChanges = win => {\n previousVisualViewport = Object.assign({}, currentVisualViewport);\n currentVisualViewport = copyVisualViewport(win.visualViewport);\n};\n/**\n * Creates a deep copy of the visual viewport\n * at a given state\n */\nconst copyVisualViewport = visualViewport => {\n return {\n width: Math.round(visualViewport.width),\n height: Math.round(visualViewport.height),\n offsetTop: visualViewport.offsetTop,\n offsetLeft: visualViewport.offsetLeft,\n pageTop: visualViewport.pageTop,\n pageLeft: visualViewport.pageLeft,\n scale: visualViewport.scale\n };\n};\nexport { KEYBOARD_DID_CLOSE, KEYBOARD_DID_OPEN, copyVisualViewport, keyboardDidClose, keyboardDidOpen, keyboardDidResize,
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