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editable-contracts
Advanced tools
Yet another React form state management library, but this time so simple & transparent as if it doesn’t exist.
Editing DTO in React controlled form typically requires:
onChange
and onBlur
handlers to React components to update DTO stateeditable-contracts' purpose is to reduce amount of boilerplate code needed to build controlled React forms without compromising typesafety while adding almost zero additional abstractions on top of existing DTO <--> UI mapping chain. Essentially it takes DTO and derives an editor object of the same shape but loaded with all you need for React form state management and validation.
Enough said, example:
interface User {
id: number;
name?: string;
role?: string;
}
const user = observable<User>({
id: 1,
name: 'Mark Down'
});
const userEditor = editor(user);
const Form: React.FC = observer(() => (
<form>
<label>Name</label>
<input value={user.name} onChange={userEditor.$.name.onChange} />
<label>Role</label>
<input value={user.role} onChange={userEditor.$.role.onChange} />
</form>
));
Example with validation and Anvil design system (Codesandbox Demo):
interface User {
id: number;
name: string;
age: string;
email?: string;
role?: string;
garage?: string[];
}
const user = observable<User>({
id: 1,
name: "Jack",
age: "20"
});
const userEditor = editor(user, {
$: {
name: value => value && value.length >= 15 && "Name is too long",
age: value => !/^\d*$/.test(value) && "Only digits allowed",
garage: {
$: [value => value.includes("Harley") && "Only cars allowed"]
}
}
});
const App: React.FC = observer(() => {
return (
<Form>
<Input label="Name" {...inputBinding(user.name, userEditor.$.name)} />
<Input label="Age" {...inputBinding(user.age, userEditor.$.age)} />
<Input label="Email" {...inputBinding(user.email, userEditor.$.email)} />
<Input label="Role" {...inputBinding(user.role, userEditor.$.role)} />
<Button
onClick={() => {
if (!user.garage) {
user.garage = [];
}
user.garage.push("");
}}
disabled={user.garage && user.garage.length >= 3}
>
Add Car to Garage
</Button>
<div>
{user.garage &&
user.garage.map((_0, index) => (
<Input
key={`car_${index}`}
label={"Car " + (index + 1)}
{...inputBinding(
user.garage![index],
userEditor.$.garage.$![index]
)}
/>
))}
</div>
</Form>
);
});
TBD
FAQs
JSON driven editable contracts
The npm package editable-contracts receives a total of 0 weekly downloads. As such, editable-contracts popularity was classified as not popular.
We found that editable-contracts demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 8 open source maintainers collaborating on the project.
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