| 1 | 'use strict';
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| 2 |
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| 3 | const micromatch = require('micromatch');
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| 4 | const wrap = require('@graphql-tools/wrap');
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| 5 | const utils = require('@graphql-mesh/utils');
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| 6 |
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| 7 | class FilterTransform {
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| 8 | constructor(options) {
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| 9 | this.transforms = [];
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| 10 | const { config } = options;
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| 11 | for (const filter of config) {
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| 12 | const [typeName, fieldGlob] = filter.split('.');
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| 13 | if (!fieldGlob) {
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| 14 | const isMatch = micromatch.matcher(typeName);
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| 15 | this.transforms.push(new wrap.FilterTypes(type => {
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| 16 | return !isMatch(type.name);
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| 17 | }));
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| 18 | }
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| 19 | else {
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| 20 | let fixedFieldGlob = fieldGlob;
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| 21 | if (fixedFieldGlob.includes('{') && !fixedFieldGlob.includes(',')) {
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| 22 | fixedFieldGlob = fieldGlob.replace('{', '').replace('}', '');
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| 23 | }
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| 24 | fixedFieldGlob = fixedFieldGlob.split(', ').join(',');
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| 25 | const isMatch = micromatch.matcher(fixedFieldGlob.trim());
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| 26 | this.transforms.push(new wrap.FilterRootFields((rootTypeName, rootFieldName) => {
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| 27 | if (rootTypeName === typeName) {
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| 28 | return isMatch(rootFieldName);
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| 29 | }
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| 30 | return true;
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| 31 | }));
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| 32 | this.transforms.push(new wrap.FilterObjectFields((objectTypeName, objectFieldName) => {
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| 33 | if (objectTypeName === typeName) {
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| 34 | return isMatch(objectFieldName);
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| 35 | }
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| 36 | return true;
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| 37 | }));
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| 38 | this.transforms.push(new wrap.FilterInputObjectFields((inputObjectTypeName, inputObjectFieldName) => {
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| 39 | if (inputObjectTypeName === typeName) {
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| 40 | return isMatch(inputObjectFieldName);
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| 41 | }
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| 42 | return true;
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| 43 | }));
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| 44 | }
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| 45 | }
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| 46 | }
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| 47 | transformSchema(originalWrappingSchema, subschemaConfig, transformedSchema) {
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| 48 | return utils.applySchemaTransforms(originalWrappingSchema, subschemaConfig, transformedSchema, this.transforms);
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| 49 | }
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| 50 | transformRequest(originalRequest, delegationContext, transformationContext) {
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| 51 | return utils.applyRequestTransforms(originalRequest, delegationContext, transformationContext, this.transforms);
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| 52 | }
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| 53 | transformResult(originalResult, delegationContext, transformationContext) {
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| 54 | return utils.applyResultTransforms(originalResult, delegationContext, transformationContext, this.transforms);
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | module.exports = FilterTransform;
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| 59 |
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