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log.ts
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log.ts
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import { createWrapper } from '../resolver';
import { WrapperFor } from '../resolver';
import { FieldResolver, TypeResolver } from '../types';
import { isFieldResolver, isTypeResolver } from '../resolver/utils';
export const logWrapper = createWrapper('log-wrapper', WrapperFor.ANY, async function (originalResolver, options) {
const { type, field } = options;
if (isFieldResolver(options.type, originalResolver)) {
const resolver: FieldResolver = async function (parent, args, context, info): Promise<unknown> {
const [parentOut, argsOut] = [parent, args].map((out) => {
try {
return JSON.stringify(out, null, 2);
} catch {
return 'Unable to JSON.stringify';
}
});
console.log(`--- START: field resolver on ${type.name}.${field?.name} ---`);
console.log('');
console.log(`parent:`);
console.log(parentOut);
console.log('');
console.log('args:');
console.log(argsOut);
console.log('');
const result = await (originalResolver as FieldResolver)(parent, args, context, info);
const resultOut = JSON.stringify(result, null, 2);
console.log('result:');
console.log(resultOut);
console.log('');
console.log(`--- END: field resolver on ${type.name}.${field?.name} ---`);
return result;
};
return resolver;
}
if (isTypeResolver(options.type, originalResolver)) {
const resolver: TypeResolver = async (value, context, info, abstractType) => {
const [valueOut] = [value].map((out) => {
try {
return JSON.stringify(out, null, 2);
} catch {
return 'Unable to JSON.stringify';
}
});
console.log(`--- START: type resolver on ${type.name} ---`);
console.log('');
console.log('value:');
console.log(valueOut);
console.log('');
const result = await (originalResolver as TypeResolver)(value, context, info, abstractType);
const resultOut = JSON.stringify(result, null, 2);
console.log('result:');
console.log(resultOut);
console.log('');
console.log(`--- END: type resolver on ${type.name} ---`);
return result;
};
return resolver;
}
return originalResolver;
});