Top 8 Examples of "is-function in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'is-function' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
constructor(fields, mapValue = mapValueIdent) {
Object.keys(fields).forEach(name =>
invariant(isEmitter(fields[name]), 'FirebaseStruct fields values must be emitters')
);
invariant(isFunction(mapValue), 'FirebaseStruct second arg must be a function');
super();
this.fields = fields;
this.mapValue = mapValue;
this.reset();
}constructor(ref, mapChild, { idField = 'id', instant = true, mapKey = getKey } = {}) {
invariant(isEmitter(ref), 'FirebaseList first arg must be emitter');
invariant(isFunction(mapChild), 'FirebaseList second arg must be a function');
invariant(isFunction(mapKey), 'FirebaseList `mapKey` option must be a function');
super();
this.ref = ref;
this.mapChild = mapChild;
this.idField = idField;
this.instant = instant;
this.hasInitialData = !instant;
this.mapKey = mapKey;
this.reset();
}_getInnerErrorCode(error) {
if (!isFunction(error.getInnerError)) return;
let innerError = error.getInnerError();
if (!innerError) return;
if (
isFunction(innerError.getErrorCode) &&
isFunction(innerError.getVastErrorCode)
)
return (
innerError.getErrorCode().toString() ||
innerError.getVastErrorCode().toString()
);
return innerError.message;
}function flush() {
if (nextData !== NO_VALUE && !isEqual(nextData, lastData) && isFunction(nextCallback)) {
[callbackCopy, nextCallback, lastData, nextData] = [nextCallback, null, nextData, NO_VALUE];
callbackCopy(null, lastData);
}
}getTheme(passedTheme) {
const theme = passedTheme || this.props.theme
if (isFunction(theme)) {
const mergedTheme = theme(this.outerTheme)
if (!isPlainObject(mergedTheme)) {
throw new Error(
'[ThemeProvider] Please return an object from your theme function, ' +
'i.e. theme={() => ({})}!',
)
}
return mergedTheme
}
return {...this.outerTheme, ...theme}
}getTheme(passedTheme: (outherTheme: Theme) => void | Theme) {
const theme = passedTheme || this.props.theme
if (isFunction(theme)) {
const mergedTheme = theme(this.outerTheme)
if (!isPlainObject(mergedTheme)) {
throw new Error('[ThemeProvider] Please return an object from your theme function, i.e. theme={() => ({})}!')
}
return mergedTheme
}
if (!isPlainObject(theme)) {
throw new Error('[ThemeProvider] Please make your theme prop a plain object')
}
return { ...this.outerTheme, ...(theme: Object) }
}_getInnerErrorCode(error) {
if (!isFunction(error.getInnerError)) return;
let innerError = error.getInnerError();
if (!innerError) return;
if (
isFunction(innerError.getErrorCode) &&
isFunction(innerError.getVastErrorCode)
)
return (
innerError.getErrorCode().toString() ||
innerError.getVastErrorCode().toString()
);
return innerError.message;
}constructor(ref, mapChild, { idField = 'id', instant = true, mapKey = getKey } = {}) {
invariant(isEmitter(ref), 'FirebaseList first arg must be emitter');
invariant(isFunction(mapChild), 'FirebaseList second arg must be a function');
invariant(isFunction(mapKey), 'FirebaseList `mapKey` option must be a function');
super();
this.ref = ref;
this.mapChild = mapChild;
this.idField = idField;
this.instant = instant;
this.hasInitialData = !instant;
this.mapKey = mapKey;
this.reset();
}