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| function validateDirectiveDefinitions(context: SchemaValidationContext): void { | ||
| // Ensure no directive is defined multiple times | ||
| const directiveDefinitions = new Map(); | ||
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@mjmahone This change is make sense on it's own since you can manually construct GraphQLSchema with duplicated directives.
Can you extract this change into separate PR?
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On Map: all around this library, we use Object.create(null) for maps with strings as keys and Map for non-string keys. AFAIK Map have significantly lover performance, I'm also not sure about memory usage.
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#1438 is strictly better than this PR, so closing |
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Re-uses the existing
validateSchemato resolve #1389.This is a sub-optimal solution: ideally we'd be doing validation purely on the AST, as @IvanGoncharov is working on. However, this gets us to a state where people aren't using directives illegally within the SDL, which should allow us to release them.