415 lines
13 KiB
JavaScript
415 lines
13 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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* @format
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*/
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'use strict';
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const j = require('jscodeshift');
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// File path -> contents
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const FileTemplate = ({imports, componentConfig}) => `
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/**
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* This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
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*
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* Do not edit this file as changes may cause incorrect behavior and will be lost
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* once the code is regenerated.
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*
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* @flow
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*
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* ${'@'}generated by codegen project: GenerateViewConfigJs.js
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*/
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'use strict';
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${imports}
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${componentConfig}
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`;
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// We use this to add to a set. Need to make sure we aren't importing
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// this multiple times.
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const UIMANAGER_IMPORT = 'const {UIManager} = require("react-native")';
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function getReactDiffProcessValue(typeAnnotation) {
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switch (typeAnnotation.type) {
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case 'BooleanTypeAnnotation':
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case 'StringTypeAnnotation':
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case 'Int32TypeAnnotation':
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case 'DoubleTypeAnnotation':
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case 'FloatTypeAnnotation':
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case 'ObjectTypeAnnotation':
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case 'StringEnumTypeAnnotation':
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case 'Int32EnumTypeAnnotation':
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case 'MixedTypeAnnotation':
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return j.literal(true);
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case 'ReservedPropTypeAnnotation':
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switch (typeAnnotation.name) {
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case 'ColorPrimitive':
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return j.template
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.expression`{ process: require('react-native/Libraries/StyleSheet/processColor').default }`;
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case 'ImageSourcePrimitive':
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return j.template
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.expression`{ process: require('react-native/Libraries/Image/resolveAssetSource') }`;
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case 'ImageRequestPrimitive':
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throw new Error('ImageRequest should not be used in props');
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case 'PointPrimitive':
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return j.template
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.expression`{ diff: require('react-native/Libraries/Utilities/differ/pointsDiffer') }`;
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case 'EdgeInsetsPrimitive':
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return j.template
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.expression`{ diff: require('react-native/Libraries/Utilities/differ/insetsDiffer') }`;
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case 'DimensionPrimitive':
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return j.literal(true);
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default:
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typeAnnotation.name;
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throw new Error(
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`Received unknown native typeAnnotation: "${typeAnnotation.name}"`,
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);
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}
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case 'ArrayTypeAnnotation':
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if (typeAnnotation.elementType.type === 'ReservedPropTypeAnnotation') {
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switch (typeAnnotation.elementType.name) {
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case 'ColorPrimitive':
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return j.template
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.expression`{ process: require('react-native/Libraries/StyleSheet/processColorArray') }`;
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case 'ImageSourcePrimitive':
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case 'PointPrimitive':
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case 'EdgeInsetsPrimitive':
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case 'DimensionPrimitive':
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return j.literal(true);
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default:
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throw new Error(
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`Received unknown array native typeAnnotation: "${typeAnnotation.elementType.name}"`,
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);
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}
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}
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return j.literal(true);
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default:
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typeAnnotation;
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throw new Error(
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`Received unknown typeAnnotation: "${typeAnnotation.type}"`,
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);
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}
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}
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const ComponentTemplate = ({
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componentName,
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paperComponentName,
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paperComponentNameDeprecated,
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}) => {
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const nativeComponentName =
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paperComponentName !== null && paperComponentName !== void 0
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? paperComponentName
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: componentName;
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return `
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let nativeComponentName = '${nativeComponentName}';
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${
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paperComponentNameDeprecated != null
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? DeprecatedComponentNameCheckTemplate({
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componentName,
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paperComponentNameDeprecated,
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})
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: ''
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}
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export const __INTERNAL_VIEW_CONFIG = VIEW_CONFIG;
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export default NativeComponentRegistry.get(nativeComponentName, () => __INTERNAL_VIEW_CONFIG);
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`.trim();
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};
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// Check whether the native component exists in the app binary.
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// Old getViewManagerConfig() checks for the existance of the native Paper view manager. Not available in Bridgeless.
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// New hasViewManagerConfig() queries Fabric’s native component registry directly.
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const DeprecatedComponentNameCheckTemplate = ({
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componentName,
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paperComponentNameDeprecated,
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}) =>
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`
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if (UIManager.hasViewManagerConfig('${componentName}')) {
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nativeComponentName = '${componentName}';
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} else if (UIManager.hasViewManagerConfig('${paperComponentNameDeprecated}')) {
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nativeComponentName = '${paperComponentNameDeprecated}';
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} else {
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throw new Error('Failed to find native component for either "${componentName}" or "${paperComponentNameDeprecated}"');
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}
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`.trim();
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// Replicates the behavior of RCTNormalizeInputEventName in RCTEventDispatcher.m
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function normalizeInputEventName(name) {
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if (name.startsWith('on')) {
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return name.replace(/^on/, 'top');
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} else if (!name.startsWith('top')) {
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return `top${name[0].toUpperCase()}${name.slice(1)}`;
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}
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return name;
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}
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// Replicates the behavior of viewConfig in RCTComponentData.m
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function getValidAttributesForEvents(events, imports) {
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imports.add(
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"const {ConditionallyIgnoredEventHandlers} = require('react-native/Libraries/NativeComponent/ViewConfigIgnore');",
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);
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const validAttributes = j.objectExpression(
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events.map(eventType => {
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return j.property('init', j.identifier(eventType.name), j.literal(true));
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}),
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);
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return j.callExpression(j.identifier('ConditionallyIgnoredEventHandlers'), [
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validAttributes,
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]);
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}
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function generateBubblingEventInfo(event, nameOveride) {
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return j.property(
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'init',
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j.identifier(nameOveride || normalizeInputEventName(event.name)),
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j.objectExpression([
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j.property(
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'init',
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j.identifier('phasedRegistrationNames'),
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j.objectExpression([
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j.property(
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'init',
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j.identifier('captured'),
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j.literal(`${event.name}Capture`),
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),
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j.property('init', j.identifier('bubbled'), j.literal(event.name)),
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]),
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),
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]),
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);
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}
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function generateDirectEventInfo(event, nameOveride) {
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return j.property(
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'init',
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j.identifier(nameOveride || normalizeInputEventName(event.name)),
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j.objectExpression([
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j.property(
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'init',
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j.identifier('registrationName'),
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j.literal(event.name),
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),
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]),
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);
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}
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function buildViewConfig(schema, componentName, component, imports) {
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const componentProps = component.props;
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const componentEvents = component.events;
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component.extendsProps.forEach(extendProps => {
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switch (extendProps.type) {
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case 'ReactNativeBuiltInType':
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switch (extendProps.knownTypeName) {
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case 'ReactNativeCoreViewProps':
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imports.add(
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"const NativeComponentRegistry = require('react-native/Libraries/NativeComponent/NativeComponentRegistry');",
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);
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return;
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default:
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extendProps.knownTypeName;
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throw new Error('Invalid knownTypeName');
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}
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default:
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extendProps.type;
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throw new Error('Invalid extended type');
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}
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});
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const validAttributes = j.objectExpression([
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...componentProps.map(schemaProp => {
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return j.property(
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'init',
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j.identifier(schemaProp.name),
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getReactDiffProcessValue(schemaProp.typeAnnotation),
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);
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}),
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...(componentEvents.length > 0
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? [
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j.spreadProperty(
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getValidAttributesForEvents(componentEvents, imports),
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),
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]
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: []),
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]);
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const bubblingEventNames = component.events
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.filter(event => event.bubblingType === 'bubble')
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.reduce((bubblingEvents, event) => {
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// We add in the deprecated paper name so that it is in the view config.
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// This means either the old event name or the new event name can fire
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// and be sent to the listener until the old top level name is removed.
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if (event.paperTopLevelNameDeprecated) {
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bubblingEvents.push(
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generateBubblingEventInfo(event, event.paperTopLevelNameDeprecated),
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);
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} else {
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bubblingEvents.push(generateBubblingEventInfo(event));
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}
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return bubblingEvents;
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}, []);
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const bubblingEvents =
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bubblingEventNames.length > 0
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? j.property(
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'init',
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j.identifier('bubblingEventTypes'),
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j.objectExpression(bubblingEventNames),
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)
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: null;
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const directEventNames = component.events
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.filter(event => event.bubblingType === 'direct')
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.reduce((directEvents, event) => {
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// We add in the deprecated paper name so that it is in the view config.
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// This means either the old event name or the new event name can fire
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// and be sent to the listener until the old top level name is removed.
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if (event.paperTopLevelNameDeprecated) {
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directEvents.push(
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generateDirectEventInfo(event, event.paperTopLevelNameDeprecated),
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);
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} else {
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directEvents.push(generateDirectEventInfo(event));
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}
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return directEvents;
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}, []);
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const directEvents =
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directEventNames.length > 0
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? j.property(
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'init',
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j.identifier('directEventTypes'),
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j.objectExpression(directEventNames),
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)
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: null;
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const properties = [
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j.property(
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'init',
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j.identifier('uiViewClassName'),
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j.literal(componentName),
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),
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bubblingEvents,
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directEvents,
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j.property('init', j.identifier('validAttributes'), validAttributes),
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].filter(Boolean);
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return j.objectExpression(properties);
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}
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function buildCommands(schema, componentName, component, imports) {
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const commands = component.commands;
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if (commands.length === 0) {
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return null;
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}
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imports.add(
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'const {dispatchCommand} = require("react-native/Libraries/ReactNative/RendererProxy");',
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);
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const properties = commands.map(command => {
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const commandName = command.name;
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const params = command.typeAnnotation.params;
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const commandNameLiteral = j.literal(commandName);
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const commandNameIdentifier = j.identifier(commandName);
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const arrayParams = j.arrayExpression(
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params.map(param => {
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return j.identifier(param.name);
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}),
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);
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const expression = j.template
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.expression`dispatchCommand(ref, ${commandNameLiteral}, ${arrayParams})`;
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const functionParams = params.map(param => {
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return j.identifier(param.name);
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});
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const property = j.property(
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'init',
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commandNameIdentifier,
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j.functionExpression(
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null,
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[j.identifier('ref'), ...functionParams],
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j.blockStatement([j.expressionStatement(expression)]),
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),
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);
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property.method = true;
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return property;
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});
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return j.exportNamedDeclaration(
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j.variableDeclaration('const', [
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j.variableDeclarator(
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j.identifier('Commands'),
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j.objectExpression(properties),
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),
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]),
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);
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}
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module.exports = {
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generate(libraryName, schema) {
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try {
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const fileName = `${libraryName}NativeViewConfig.js`;
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const imports = new Set();
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const moduleResults = Object.keys(schema.modules)
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.map(moduleName => {
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const module = schema.modules[moduleName];
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if (module.type !== 'Component') {
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return;
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}
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const components = module.components;
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return Object.keys(components)
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.map(componentName => {
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var _component$paperCompo;
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const component = components[componentName];
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if (component.paperComponentNameDeprecated) {
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imports.add(UIMANAGER_IMPORT);
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}
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const replacedTemplate = ComponentTemplate({
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componentName,
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paperComponentName: component.paperComponentName,
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paperComponentNameDeprecated:
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component.paperComponentNameDeprecated,
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});
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const replacedSourceRoot = j.withParser('flow')(replacedTemplate);
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const paperComponentName =
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(_component$paperCompo = component.paperComponentName) !==
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null && _component$paperCompo !== void 0
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? _component$paperCompo
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: componentName;
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replacedSourceRoot
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.find(j.Identifier, {
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name: 'VIEW_CONFIG',
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})
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.replaceWith(
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buildViewConfig(
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schema,
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paperComponentName,
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component,
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imports,
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),
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);
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const commands = buildCommands(
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schema,
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paperComponentName,
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component,
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imports,
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);
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if (commands) {
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replacedSourceRoot
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.find(j.ExportDefaultDeclaration)
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.insertAfter(j(commands).toSource());
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}
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const replacedSource = replacedSourceRoot.toSource({
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quote: 'single',
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trailingComma: true,
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});
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return replacedSource;
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})
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.join('\n\n');
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})
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.filter(Boolean)
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.join('\n\n');
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const replacedTemplate = FileTemplate({
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componentConfig: moduleResults,
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imports: Array.from(imports).sort().join('\n'),
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});
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return new Map([[fileName, replacedTemplate]]);
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} catch (error) {
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console.error(`\nError parsing schema for ${libraryName}\n`);
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console.error(JSON.stringify(schema));
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throw error;
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}
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},
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};
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