1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | const printing_1 = require("apollo-codegen-core/lib/utilities/printing");
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4 | const graphql_1 = require("apollo-codegen-core/lib/utilities/graphql");
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5 | const helpers_1 = require("./helpers");
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6 | const t = require("@babel/types");
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7 | class TypescriptGenerator {
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8 | constructor(compilerOptions) {
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9 | this.options = compilerOptions;
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10 | this.typeFromGraphQLType = helpers_1.createTypeFromGraphQLTypeFunction(compilerOptions);
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11 | }
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12 | enumerationDeclaration(type) {
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13 | const { name, description } = type;
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14 | const enumMembers = graphql_1.sortEnumValues(type.getValues()).map(({ value }) => {
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15 | return t.TSEnumMember(t.identifier(value), t.stringLiteral(value));
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16 | });
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17 | const typeAlias = t.exportNamedDeclaration(t.TSEnumDeclaration(t.identifier(name), enumMembers), []);
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18 | if (description) {
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19 | typeAlias.leadingComments = [{
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20 | type: 'CommentBlock',
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21 | value: printing_1.commentBlockContent(description)
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22 | }];
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23 | }
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24 | return typeAlias;
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25 | }
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26 | inputObjectDeclaration(inputObjectType) {
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27 | const { name, description } = inputObjectType;
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28 | const fieldMap = inputObjectType.getFields();
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29 | const fields = Object.keys(inputObjectType.getFields())
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30 | .map((fieldName) => {
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31 | const field = fieldMap[fieldName];
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32 | return {
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33 | name: fieldName,
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34 | type: this.typeFromGraphQLType(field.type)
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35 | };
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36 | });
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37 | const inputType = t.exportNamedDeclaration(this.interface(name, fields, {
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38 | keyInheritsNullability: true
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39 | }), []);
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40 | if (description) {
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41 | inputType.leadingComments = [{
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42 | type: 'CommentBlock',
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43 | value: printing_1.commentBlockContent(description)
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44 | }];
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45 | }
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46 | return inputType;
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47 | }
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48 | typesForProperties(fields, { keyInheritsNullability = false } = {}) {
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49 | return fields.map(({ name, description, type }) => {
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50 | const propertySignatureType = t.TSPropertySignature(t.identifier(name), t.TSTypeAnnotation(type));
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51 | propertySignatureType.optional = keyInheritsNullability && this.isNullableType(type);
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52 | if (description) {
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53 | propertySignatureType.leadingComments = [{
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54 | type: 'CommentBlock',
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55 | value: printing_1.commentBlockContent(description)
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56 | }];
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57 | }
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58 | return propertySignatureType;
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59 | });
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60 | }
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61 | interface(name, fields, { keyInheritsNullability = false } = {}) {
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62 | return t.TSInterfaceDeclaration(t.identifier(name), undefined, undefined, t.TSInterfaceBody(this.typesForProperties(fields, {
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63 | keyInheritsNullability
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64 | })));
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65 | }
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66 | typeAliasGenericUnion(name, members) {
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67 | return t.TSTypeAliasDeclaration(t.identifier(name), undefined, t.TSUnionType(members));
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68 | }
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69 | exportDeclaration(declaration) {
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70 | return t.exportNamedDeclaration(declaration, []);
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71 | }
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72 | nameFromScopeStack(scope) {
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73 | return scope.join('_');
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74 | }
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75 | makeNullableType(type) {
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76 | return t.TSUnionType([
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77 | type,
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78 | t.TSNullKeyword()
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79 | ]);
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80 | }
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81 | isNullableType(type) {
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82 | return t.isTSUnionType(type) && type.types.some(type => t.isTSNullKeyword(type));
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83 | }
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84 | import(types, source) {
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85 | return t.importDeclaration(types.map((type) => t.importSpecifier(t.identifier(type.toString()), t.identifier(type.toString()))), t.stringLiteral(source));
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86 | }
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87 | }
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88 | exports.default = TypescriptGenerator;
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89 |
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