56 lines
1.5 KiB
Objective-C
56 lines
1.5 KiB
Objective-C
/*
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* Copyright @ 2019-present 8x8, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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@import JavaScriptCore;
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#import <React/RCTBridgeModule.h>
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@interface JavaScriptSandbox : NSObject<RCTBridgeModule>
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@end
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@implementation JavaScriptSandbox
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RCT_EXPORT_MODULE();
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+ (BOOL)requiresMainQueueSetup {
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return NO;
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}
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#pragma mark - Exported methods
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RCT_EXPORT_METHOD(evaluate:(NSString *)code
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resolve:(RCTPromiseResolveBlock)resolve
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reject:(RCTPromiseRejectBlock)reject) {
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__block BOOL hasError = NO;
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JSContext *ctx = [[JSContext alloc] init];
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ctx.exceptionHandler = ^(JSContext *context, JSValue *exception) {
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hasError = YES;
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reject(@"evaluate", [exception toString], nil);
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};
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JSValue *ret = [ctx evaluateScript:code];
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if (!hasError) {
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NSString *result = [ret toString];
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if (result == nil) {
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reject(@"evaluate", @"Error in string coercion", nil);
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} else {
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resolve(result);
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}
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}
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}
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@end
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