Developer, journalist
render = (render, keyOrElement) =>
__SECRET_INTERNALS('elements', String(render), keyOrElement, {
init: state => ({
renderer: () => state.render(state.public),
id: __SECRET_CREATE_ID(),
element: DOM.element('div'),
public: {
useSetter: (setterOrValue, deps) =>
typeof setterOrValue === 'function'
? useEffect(
() =>
state.public.setValue(setterOrValue(state.public.getValue())),
deps
)
: useEffect(() => state.public.setValue(setterOrValue), [
setterOrValue
]),
getValue: () => state.element.value,
setValue: value => {
state.element.value = value;
state.element.dispatchEvent(new CustomEvent('input'));
}
}
}),
update: { render },
effect: state =>
ReactDOM.render(createElement(state.renderer), state.element),
return: state => state.element
})
component = (render, name, keyOrPrevious) =>
__SECRET_INTERNALS('components', String(render), keyOrPrevious, {
init: (state, funcFor) => ({
component: __SECRET_SET_DISPLAYNAME(funcFor('render'), name)
}),
update: { render },
return: state => state.component
})
${3}
jsx = {
const jsx = htm.bind(createElement);
return (...args) => {
try {
return jsx(...args);
} catch (e) {
// throw a clearer error
let stack = e.stack;
if (!stack.includes(e.message)) {
stack = `${e.constructor.name}: ${e.message}\n${stack}`;
}
throw new SyntaxError('JSX syntax error\n' + stack);
}
};
}
memo = (render, arePropsEqual, name, keyOrElement) =>
__SECRET_INTERNALS(
'memos',
JSON.stringify([String(render), String(arePropsEqual)]),
keyOrElement,
{
init: (state, funcFor) => ({
component: React.memo(
__SECRET_SET_DISPLAYNAME(funcFor('render'), name),
funcFor('arePropsEqual')
)
}),
update: { render, arePropsEqual },
return: state => state.component
}
)
forwardRef = (render, name, keyOrElement) =>
__SECRET_INTERNALS('forwardRefs', String(render), keyOrElement, {
init: (state, funcFor) => ({
component: React.forwardRef(
__SECRET_SET_DISPLAYNAME(funcFor('render'), name)
)
}),
update: { render },
return: state => state.component
})
htm = require('htm@2.2.1/dist/htm.umd.js')
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
