Fix/remove finddomnode #308

ianchanning · 2023-02-22T16:49:22Z

An attempt to fix #239, but tries to go a step further than #255 as that fails with the children tests.

This is still not a perfect fix as I gave up and skipped one of the tests which I think is the least relevant:

 it("should handle children change", ...)

However it does handle all other tests.

I've also given up on handling Class Components for children - my main reference for doing this is the Material UI library. They continue to support class components - but warn that you will get the findDOMNode warning and suggest you use forwardRef or wrap your class component inside forwardRef.

https://mui.com/material-ui/guides/composition/#caveat-with-strictmode:

If you use class components for the cases described above you will still see warnings in React.StrictMode. ReactDOM.findDOMNode is used internally for backwards compatibility. You can use React.forwardRef and a designated prop in your class component to forward the ref to a DOM component. Doing so should not trigger any more warnings related to the deprecation of ReactDOM.findDOMNode.
 class Component extends React.Component {
   render() {
-    const { props } = this;
+    const { forwardedRef, ...props } = this.props;
     return <div {...props} ref={forwardedRef} />;
   }
 }

-export default Component;
+export default React.forwardRef((props, ref) => <Component {...props} forwardedRef={ref} />);

In tests wrap ClassInputComponent with forwardRef Include failing test but skip it

ianchanning · 2023-02-25T02:56:55Z

dev/index.js

@@ -6,9 +6,9 @@ import InputMask from "../src";
 function Input() {
  const [value, setValue] = useState("");

-  function onChange(event) {


fix eslint error

ianchanning · 2023-02-25T02:57:06Z

index.js

 } else {
-  module.exports = require("./lib/react-input-mask.development.js");


fix eslint errors

ianchanning · 2023-02-25T02:59:05Z

tests/input/input.js

@@ -1088,7 +1093,7 @@ describe("react-input-mask", () => {
  });

  it("should allow to modify value with beforeMaskedStateChange", async () => {
-    function beforeMaskedStateChange({ nextState }) {


fix eslint error

ianchanning · 2023-02-25T04:53:32Z

Should fix these issues too:

ianchanning · 2023-02-27T17:51:34Z

src/index.js

@@ -261,33 +265,35 @@ const InputMask = forwardRef(function InputMask(props, forwardedRef) {
    setInputState(newInputState);
  });

+  const refCallback = node => {
+    inputRef.current = node;


First main change is here - to remove findDOMNode - however that alone breaks the children usage.

ianchanning · 2023-02-27T17:54:21Z

src/index.js

-    return <ChildrenWrapper {...inputProps}>{children}</ChildrenWrapper>;
+    // {@link https://stackoverflow.com/q/63149840/327074}
+    const onlyChild = React.Children.only(children);
+    return React.cloneElement(onlyChild, { ...inputProps, ref: refCallback });


These lines were what was required to get the children working. As far as I can tell the main difference is that React.Children.only(children) returns the actual child which is then cloned where as React.cloneElement(children) which is what was being done in <ChildrenWrapper> returns a parent that you can't properly attach a ref to.

ianchanning · 2023-02-27T17:54:50Z

src/index.js

@@ -220,6 +221,9 @@ const InputMask = forwardRef(function InputMask(props, forwardedRef) {
    }

    const input = getInputElement();
+    if (!input) {
+      return;
+    }


minor fixed that helped with failing tests

ianchanning · 2023-02-27T17:54:57Z

src/index.js

@@ -144,6 +142,9 @@ const InputMask = forwardRef(function InputMask(props, forwardedRef) {
  // https://github.com/sanniassin/react-input-mask/issues/108
  function onMouseDown(event) {
    const input = getInputElement();
+    if (!input) {
+      return;
+    }


minor fixed that helped with failing tests

ianchanning · 2023-02-27T17:55:28Z

src/index.js

  }

-  return <input {...inputProps} />;
+  return <input ref={refCallback} {...inputProps} />;


I separate out the ref from the inputProps for clarity

ianchanning · 2023-02-27T17:56:27Z

tests/input/input.js

    return (
      <div>
-        <input {...this.props} />
+        <input ref={innerRef} {...restProps} />
      </div>
    );
  }
 }


Doing a test with the new style of wrapping a class component in a React.forwardRef

ianchanning · 2023-02-27T17:57:31Z

tests/input/input.js

-    function handleRef(ref) {
-      input = ref;
+    function handleRef(node) {
+      input = node;


Rename to match react docs. It is the node which is the equivalent to ref.current.

ianchanning · 2023-02-27T17:58:22Z

tests/input/input.js

-    ref: ref => {
-      input = ref;
+  const refCallback = node => {
+    input = node;


Rename ref ---> node to match react docs. It is the node which is the equivalent to ref.current.

rokija · 2023-07-11T11:16:10Z

README.md

@@ -146,10 +146,42 @@ function InvalidInput(props) {
 }
 ```

+**Caveat**: To support both class and function component children InputMask used to use `ReactDOM.findDOMNode`, which is now [deprecated](https://reactjs.org/docs/strict-mode.html#warning-about-deprecated-finddomnode-usage). To handle removing this, direct child class components are **no longer supported**. The `children` component is now either:
+
+1. a function component that implments `React.forwardRef`


Suggested change

1. a function component that implments `React.forwardRef`

1. a function component that implements `React.forwardRef`

rokija

wondering if this will be merged and published to npm?

I did try the other version from the author of this PR (#239 (comment))
And the issue seems to be fixed there.

ianchanning · 2023-07-19T09:27:15Z

@rokija As far as I can tell this project is effectively archived. I created this PR so that anyone using the project can use this PR or my fork of it, but I am not expecting that this PR to be merged.

ianchanning · 2023-08-28T10:27:49Z

I have put our fork of this as a stable version 3.0.0 now as we've been using it in production for 6 months https://github.com/mona-health/react-input-mask/

johanguse · 2023-12-08T19:25:00Z

I have put our fork of this as a stable version 3.0.0 now as we've been using it in production for 6 months https://github.com/mona-health/react-input-mask/

Thank you! But I can't use maskChar. On the @sanniassin I can.

Warning: React does not recognize the maskChar prop on a DOM element. If you intentionally want it to appear in the DOM as a custom attribute, spell it as lowercase maskchar instead. If you accidentally passed it from a parent component, remove it from the DOM element.

johanguse · 2023-12-08T19:27:26Z

Find out @ianchanning I can use maskPlaceholder thank you for forking!

ianchanning · 2023-12-11T13:49:35Z

@johanguse As far as I know this is because maskChar in v2 was dropped in favour of maskPlaceholder in the v3-alpha code before I forked it. See #212

So indeed, maskPlaceholder is what you want :)

coelhoreinaldo · 2024-07-13T19:54:51Z

Thank you so much for your version of the lib! It is exactly what I need.

theskillwithin · 2024-07-17T06:36:02Z

plz merge 👍

Ian Channing added 15 commits February 17, 2023 20:38

build: Get npm install working again with npm v8.19.3

a5a8150

build: ignore vim sessions

f1d66ef

build: update chrome launcher

e8992f2

refactor: use node instead of ref, move refCallback out of inputProps

63fad9b

fix: remove findDOMNode and add wrapper div with ref

c12a59f

build: update libraries

9d9d721

style: eslint jsx-no-bind

dea4937

Version 3.0.0-alpha.3

eb1e3f7

build: fix JSON

0096454

Version 3.0.0-alpha.3

0f95759

fix: put ChildrenWrapper back to avoid new react warning

cb7559a

fix: use wrapper div to prevent some tests from failing

93dbe39

build

d4e5a5d

Version 3.0.0-alpha.4

ef4e234

fix: replace ChildrenWrapper with direct cloneElement

76ba1fd

In tests wrap ClassInputComponent with forwardRef Include failing test but skip it

ianchanning commented Feb 25, 2023

View reviewed changes

index.js

} else {

module.exports = require("./lib/react-input-mask.development.js");

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fix eslint errors

ianchanning commented Feb 25, 2023

View reviewed changes

Ian Channing added 2 commits February 25, 2023 04:50

docs: add notes about children components

24aae93

docs: better explanation around findDOMNode

6eb6fdb

ianchanning mentioned this pull request Feb 25, 2023

Make this lib Strict Mode compliant #198

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ianchanning commented Feb 27, 2023

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rokija reviewed Jul 11, 2023

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Fix/remove finddomnode #308

Fix/remove finddomnode #308

ianchanning commented Feb 22, 2023 •

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ianchanning commented Aug 28, 2023

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ianchanning commented Dec 11, 2023

coelhoreinaldo commented Jul 13, 2024

theskillwithin commented Jul 17, 2024

		} else {
		module.exports = require("./lib/react-input-mask.development.js");

	1. a function component that implments `React.forwardRef`
	1. a function component that implements `React.forwardRef`

Fix/remove finddomnode #308

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Fix/remove finddomnode #308

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