80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule createStrictShapeTypeChecker
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* @flow
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*/
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'use strict';
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var ReactPropTypeLocationNames = require('ReactPropTypeLocationNames');
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var invariant = require('fbjs/lib/invariant');
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var merge = require('merge');
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function createStrictShapeTypeChecker(
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shapeTypes: {[key: string]: ReactPropsCheckType}
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): ReactPropsChainableTypeChecker {
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function checkType(isRequired, props, propName, componentName, location?) {
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if (!props[propName]) {
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if (isRequired) {
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invariant(
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false,
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`Required object \`${propName}\` was not specified in ` +
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`\`${componentName}\`.`
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);
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}
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return;
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}
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var propValue = props[propName];
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var propType = typeof propValue;
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var locationName =
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location && ReactPropTypeLocationNames[location] || '(unknown)';
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if (propType !== 'object') {
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invariant(
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false,
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`Invalid ${locationName} \`${propName}\` of type \`${propType}\` ` +
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`supplied to \`${componentName}\`, expected \`object\`.`
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);
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}
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// We need to check all keys in case some are required but missing from
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// props.
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var allKeys = merge(props[propName], shapeTypes);
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for (var key in allKeys) {
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var checker = shapeTypes[key];
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if (!checker) {
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invariant(
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false,
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`Invalid props.${propName} key \`${key}\` supplied to \`${componentName}\`.` +
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`\nBad object: ` + JSON.stringify(props[propName], null, ' ') +
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`\nValid keys: ` + JSON.stringify(Object.keys(shapeTypes), null, ' ')
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);
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}
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var error = checker(propValue, key, componentName, location);
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if (error) {
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invariant(
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false,
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error.message +
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`\nBad object: ` + JSON.stringify(props[propName], null, ' ')
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);
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}
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}
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}
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function chainedCheckType(
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props: {[key: string]: any},
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propName: string,
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componentName: string,
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location?: string
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): ?Error {
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return checkType(false, props, propName, componentName, location);
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}
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chainedCheckType.isRequired = checkType.bind(null, true);
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return chainedCheckType;
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}
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module.exports = createStrictShapeTypeChecker;
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