@apollo/client/react/parser/index.js

A fully-featured caching GraphQL client.

import { invariant } from "../../utilities/globals/index.js";
export var DocumentType;
(function (DocumentType) {
    DocumentType[DocumentType["Query"] = 0] = "Query";
    DocumentType[DocumentType["Mutation"] = 1] = "Mutation";
    DocumentType[DocumentType["Subscription"] = 2] = "Subscription";
})(DocumentType || (DocumentType = {}));
var cache = new Map();
export function operationName(type) {
    var name;
    switch (type) {
        case DocumentType.Query:
            name = 'Query';
            break;
        case DocumentType.Mutation:
            name = 'Mutation';
            break;
        case DocumentType.Subscription:
            name = 'Subscription';
            break;
    }
    return name;
}
export function parser(document) {
    var cached = cache.get(document);
    if (cached)
        return cached;
    var variables, type, name;
    __DEV__ ? invariant(!!document && !!document.kind, "Argument of ".concat(document, " passed to parser was not a valid GraphQL ") +
        "DocumentNode. You may need to use 'graphql-tag' or another method " +
        "to convert your operation into a document") : invariant(!!document && !!document.kind, 33);
    var fragments = [];
    var queries = [];
    var mutations = [];
    var subscriptions = [];
    for (var _i = 0, _a = document.definitions; _i < _a.length; _i++) {
        var x = _a[_i];
        if (x.kind === 'FragmentDefinition') {
            fragments.push(x);
            continue;
        }
        if (x.kind === 'OperationDefinition') {
            switch (x.operation) {
                case 'query':
                    queries.push(x);
                    break;
                case 'mutation':
                    mutations.push(x);
                    break;
                case 'subscription':
                    subscriptions.push(x);
                    break;
            }
        }
    }
    __DEV__ ? invariant(!fragments.length ||
        (queries.length || mutations.length || subscriptions.length), "Passing only a fragment to 'graphql' is not yet supported. " +
        "You must include a query, subscription or mutation as well") : invariant(!fragments.length ||
        (queries.length || mutations.length || subscriptions.length), 34);
    __DEV__ ? invariant(queries.length + mutations.length + subscriptions.length <= 1, "react-apollo only supports a query, subscription, or a mutation per HOC. " +
        "".concat(document, " had ").concat(queries.length, " queries, ").concat(subscriptions.length, " ") +
        "subscriptions and ".concat(mutations.length, " mutations. ") +
        "You can use 'compose' to join multiple operation types to a component") : invariant(queries.length + mutations.length + subscriptions.length <= 1, 35);
    type = queries.length ? DocumentType.Query : DocumentType.Mutation;
    if (!queries.length && !mutations.length)
        type = DocumentType.Subscription;
    var definitions = queries.length
        ? queries
        : mutations.length
            ? mutations
            : subscriptions;
    __DEV__ ? invariant(definitions.length === 1, "react-apollo only supports one definition per HOC. ".concat(document, " had ") +
        "".concat(definitions.length, " definitions. ") +
        "You can use 'compose' to join multiple operation types to a component") : invariant(definitions.length === 1, 36);
    var definition = definitions[0];
    variables = definition.variableDefinitions || [];
    if (definition.name && definition.name.kind === 'Name') {
        name = definition.name.value;
    }
    else {
        name = 'data';
    }
    var payload = { name: name, type: type, variables: variables };
    cache.set(document, payload);
    return payload;
}
export function verifyDocumentType(document, type) {
    var operation = parser(document);
    var requiredOperationName = operationName(type);
    var usedOperationName = operationName(operation.type);
    __DEV__ ? invariant(operation.type === type, "Running a ".concat(requiredOperationName, " requires a graphql ") +
        "".concat(requiredOperationName, ", but a ").concat(usedOperationName, " was used instead.")) : invariant(operation.type === type, 37);
}
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