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Alias Support Within GraphQL (#7410)

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* graphQL support for aliases

* moved aliases to its own function parseAliases

* Tweak types

Co-authored-by: rijkvanzanten <rijkvanzanten@me.com>
This commit is contained in:
Jay Cammarano
2021-08-14 15:13:53 -04:00
committed by GitHub
parent d302c6c263
commit 167382459d
1 changed files with 22 additions and 6 deletions
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28
api/src/services/graphql.ts
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@@ -966,7 +966,6 @@ export class GraphQLService {
const selections = this.replaceFragmentsInSelections(info.fieldNodes[0]?.selectionSet?.selections, info.fragments);
if (!selections) return null;
const args: Record<string, any> = this.parseArgs(info.fieldNodes[0].arguments || [], info.variableValues);
let query: Record<string, any>;
@@ -1001,6 +1000,7 @@ export class GraphQLService {
if (args.id) {
return result?.[0] || null;
}
if (query.group) {
// for every entry in result add a group field based on query.group;
result.map((field) => {
@@ -1167,9 +1167,22 @@ export class GraphQLService {
): Query {
const query: Query = sanitizeQuery(rawQuery, this.accountability);
const parseAliases = (selections: readonly SelectionNode[]) => {
const aliases: Record<string, string> = {};
for (const selection of selections) {
if (selection.kind !== 'Field') continue;
if (selection.alias?.value) {
aliases[selection.alias.value] = selection.name.value;
}
}
return aliases;
};
const parseFields = (selections: readonly SelectionNode[], parent?: string): string[] => {
const fields: string[] = [];
for (let selection of selections) {
if ((selection.kind === 'Field' || selection.kind === 'InlineFragment') !== true) continue;
selection = selection as FieldNode | InlineFragmentNode;
@@ -1183,7 +1196,8 @@ export class GraphQLService {
} else {
// filter out graphql pointers, like __typename
if (selection.name.value.startsWith('__')) continue;
current = selection.name.value;
current = selection.alias?.value ?? selection.name.value;
if (parent) {
current = `${parent}.${current}`;
@@ -1217,7 +1231,12 @@ export class GraphQLService {
}
return uniq(fields);
};
query.alias = parseAliases(selections);
query.fields = parseFields(selections);
validateQuery(query);
return query;
}
@@ -1248,11 +1267,8 @@ export class GraphQLService {
validateQuery(query);
validateQuery(query);
return query;
}
/**
* Convert Directus-Exception into a GraphQL format, so it can be returned by GraphQL properly.
*/