| 1 | import { matcher } from 'micromatch';
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| 2 | import { FilterTypes, FilterRootFields, FilterObjectFields, FilterInputObjectFields } from '@graphql-tools/wrap';
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| 3 | import { applySchemaTransforms, applyRequestTransforms, applyResultTransforms } from '@graphql-mesh/utils';
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| 4 |
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| 5 | class FilterTransform {
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| 6 | constructor(options) {
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| 7 | this.transforms = [];
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| 8 | const { config } = options;
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| 9 | for (const filter of config) {
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| 10 | const [typeName, fieldGlob] = filter.split('.');
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| 11 | if (!fieldGlob) {
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| 12 | const isMatch = matcher(typeName);
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| 13 | this.transforms.push(new FilterTypes(type => {
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| 14 | return !isMatch(type.name);
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| 15 | }));
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| 16 | }
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| 17 | else {
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| 18 | let fixedFieldGlob = fieldGlob;
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| 19 | if (fixedFieldGlob.includes('{') && !fixedFieldGlob.includes(',')) {
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| 20 | fixedFieldGlob = fieldGlob.replace('{', '').replace('}', '');
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| 21 | }
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| 22 | fixedFieldGlob = fixedFieldGlob.split(', ').join(',');
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| 23 | const isMatch = matcher(fixedFieldGlob.trim());
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| 24 | this.transforms.push(new FilterRootFields((rootTypeName, rootFieldName) => {
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| 25 | if (rootTypeName === typeName) {
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| 26 | return isMatch(rootFieldName);
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| 27 | }
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| 28 | return true;
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| 29 | }));
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| 30 | this.transforms.push(new FilterObjectFields((objectTypeName, objectFieldName) => {
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| 31 | if (objectTypeName === typeName) {
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| 32 | return isMatch(objectFieldName);
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| 33 | }
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| 34 | return true;
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| 35 | }));
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| 36 | this.transforms.push(new FilterInputObjectFields((inputObjectTypeName, inputObjectFieldName) => {
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| 37 | if (inputObjectTypeName === typeName) {
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| 38 | return isMatch(inputObjectFieldName);
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| 39 | }
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| 40 | return true;
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| 41 | }));
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| 42 | }
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| 43 | }
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| 44 | }
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| 45 | transformSchema(originalWrappingSchema, subschemaConfig, transformedSchema) {
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| 46 | return applySchemaTransforms(originalWrappingSchema, subschemaConfig, transformedSchema, this.transforms);
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| 47 | }
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| 48 | transformRequest(originalRequest, delegationContext, transformationContext) {
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| 49 | return applyRequestTransforms(originalRequest, delegationContext, transformationContext, this.transforms);
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| 50 | }
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| 51 | transformResult(originalResult, delegationContext, transformationContext) {
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| 52 | return applyResultTransforms(originalResult, delegationContext, transformationContext, this.transforms);
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| 53 | }
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| 54 | }
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| 55 |
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| 56 | export default FilterTransform;
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| 57 |
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