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chore(validator): add documentation for custom message

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Thomas Rutten 2020-02-07 11:10:34 +01:00 committed by Thomas Allmer
parent aee6a858b4
commit d96aca8268
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12
packages/validate/stories/Overview.stories.mdx
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@ -83,6 +83,18 @@ All validators return `false` if the required validity state is met.
All validators are considered self explanatory due to their explicit namings. All validators are considered self explanatory due to their explicit namings.
You can implement your own custom message for a default validator. Pass a getMessage function via the options in the construtor.
```js
function getCustomMessage(data) {
return `${data.name} is a required field`;
}
```
```html
<validatable-el .validators="${[new Required({}, { getMessage: getCustomMessage })]}"></validatable-el>
```
### Custom Validators ### Custom Validators
On top of default validators, application developers can write their own by extending the `Validator` class. On top of default validators, application developers can write their own by extending the `Validator` class.