@graphql-mesh/transform-filter-schema/index.esm.js

import { matcher } from 'micromatch';
import { FilterRootFields, FilterObjectFields, FilterInputObjectFields } from '@graphql-tools/wrap';
import { applySchemaTransforms, applyRequestTransforms, applyResultTransforms } from '@graphql-tools/utils';

class FilterTransform {
    constructor(options) {
        this.transforms = [];
        const { config } = options;
        for (const filter of config) {
            const [typeName, fieldGlob] = filter.split('.');
            const isMatch = matcher(fieldGlob.trim());
            this.transforms.push(new FilterRootFields((rootTypeName, rootFieldName) => {
                if (rootTypeName === typeName) {
                    return isMatch(rootFieldName);
                }
                return true;
            }));
            this.transforms.push(new FilterObjectFields((objectTypeName, objectFieldName) => {
                if (objectTypeName === typeName) {
                    return isMatch(objectFieldName);
                }
                return true;
            }));
            this.transforms.push(new FilterInputObjectFields((inputObjectTypeName, inputObjectFieldName) => {
                if (inputObjectTypeName === typeName) {
                    return isMatch(inputObjectFieldName);
                }
                return true;
            }));
        }
    }
    transformSchema(schema) {
        return applySchemaTransforms(schema, this.transforms);
    }
    transformRequest(request) {
        return applyRequestTransforms(request, this.transforms);
    }
    transformResult(result) {
        return applyResultTransforms(result, this.transforms);
    }
}

export default FilterTransform;
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