react-native-reanimated
Version:
More powerful alternative to Animated library for React Native.
67 lines (66 loc) • 2.06 kB
JavaScript
'use strict';
import { ValueProcessorTarget } from '../types';
import { isConfigPropertyAlias, isDefined, isRecord } from '../utils';
class StyleBuilderImpl {
processedProps = {};
constructor(config, options) {
this.config = config;
this.buildMiddleware = options?.buildMiddleware ?? (props => props);
this.separatelyInterpolatedNestedProperties_ = options?.separatelyInterpolatedNestedProperties ?? [];
this.context = {
target: options?.target ?? ValueProcessorTarget.Default
};
}
isSeparatelyInterpolatedNestedProperty(property) {
return this.separatelyInterpolatedNestedProperties_.includes(property);
}
add(property, value) {
const configValue = this.config[property];
if (!configValue || !isDefined(value)) {
return;
}
if (configValue === true) {
this.maybeAssignProp(property, value);
} else if (isConfigPropertyAlias(configValue)) {
this.add(configValue.as, value);
} else {
const {
process
} = configValue;
const processedValue = process ? process(value, this.context) : value;
if (!isDefined(processedValue)) {
return;
}
if (isRecord(processedValue)) {
this.maybeAssignProps(processedValue);
} else {
this.maybeAssignProp(property, processedValue);
}
}
}
build() {
const result = this.buildMiddleware(this.processedProps);
this.cleanup();
if (Object.keys(result).length === 0) {
return null;
}
return result;
}
buildFrom(props) {
Object.entries(props).forEach(([key, value]) => this.add(key, value));
return this.build();
}
maybeAssignProp(property, value) {
this.processedProps[property] ??= value;
}
maybeAssignProps(props) {
Object.entries(props).forEach(([key, value]) => this.maybeAssignProp(key, value));
}
cleanup() {
this.processedProps = {};
}
}
export default function createStyleBuilder(config, options) {
return new StyleBuilderImpl(config, options);
}
//# sourceMappingURL=createStyleBuilder.js.map