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chrome auto fill fix #640

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chrome auto fill fix #640

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39 changes: 36 additions & 3 deletions packages/textfield/src/Textfield.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
'smui-text-field--standard': variant === 'standard' && !textarea,
'mdc-text-field--no-label': noLabel || (label == null && !$$slots.label),
'mdc-text-field--label-floating':
focused || (value != null && value !== ''),
focused || chromeAutofilled || (value != null && value !== ''),
'mdc-text-field--with-leading-icon': isUninitializedValue(withLeadingIcon)
? $$slots.leadingIcon
: withLeadingIcon,
Expand Down Expand Up @@ -64,7 +64,7 @@
{#if !noLabel && (label != null || $$slots.label)}
<FloatingLabel
bind:this={floatingLabel}
floatAbove={focused ||
floatAbove={focused || chromeAutofilled ||
(value != null &&
value !== '' &&
(typeof value !== 'number' || !isNaN(value)))}
Expand All @@ -84,7 +84,7 @@
{#if !noLabel && (label != null || $$slots.label)}
<FloatingLabel
bind:this={floatingLabel}
floatAbove={focused ||
floatAbove={focused || chromeAutofilled ||
(value != null &&
value !== '' &&
(typeof value !== 'number' || !isNaN(value)))}
Expand Down Expand Up @@ -410,6 +410,10 @@
let characterCounter: MDCTextFieldCharacterCounterFoundation | undefined =
undefined;

let chromeAutofilled: boolean = false;
let chromeAutofilledFirstCheckInterval: NodeJS.Timer;
let chromeAutofilledSecondCheckInterval: NodeJS.Timer;

$: inputElement = input && input.getElement();

$: if (instance && instance.isValid() !== !invalid) {
Expand Down Expand Up @@ -556,6 +560,33 @@
}
);


const chromeAutofilledSecondCheck = () => {
chromeAutofilledSecondCheckInterval = setInterval(() => {
if (inputElement && !inputElement.matches(':-internal-autofill-selected')) {
chromeAutofilled = false;
clearInterval(chromeAutofilledSecondCheckInterval);
}
}, 100);
};

const chromeAutofilledFirstCheck = () => {
chromeAutofilledFirstCheckInterval = setInterval(() => {
if (inputElement && inputElement.matches(':-internal-autofill-selected')) {
chromeAutofilled = true;
instance.notchOutline(true);
clearInterval(chromeAutofilledFirstCheckInterval);
chromeAutofilledSecondCheck();
}
}, 100);

setTimeout(() => {
clearInterval(chromeAutofilledFirstCheckInterval);
}, 1000);
};

chromeAutofilledFirstCheck();

if (valued) {
if (input == null) {
throw new Error(
Expand All @@ -578,6 +609,8 @@

return () => {
instance.destroy();
clearInterval(chromeAutofilledFirstCheckInterval);
clearInterval(chromeAutofilledSecondCheckInterval);
};
});

Expand Down