@graphql-eslint/eslint-plugin
Version:
GraphQL plugin for ESLint
86 lines (85 loc) • 2.26 kB
JavaScript
import { OperationTypeNode } from "graphql";
import { ARRAY_DEFAULT_OPTIONS, getLocation, pascalCase } from "../../utils.js";
const RULE_ID = "lone-executable-definition", definitionTypes = ["fragment", ...Object.values(OperationTypeNode)], schema = {
type: "array",
maxItems: 1,
items: {
type: "object",
minProperties: 1,
additionalProperties: !1,
properties: {
ignore: {
...ARRAY_DEFAULT_OPTIONS,
maxItems: 3,
// ignore all 4 types is redundant
items: {
enum: definitionTypes
},
description: "Allow certain definitions to be placed alongside others."
}
}
}
}, rule = {
meta: {
type: "suggestion",
docs: {
category: "Operations",
description: "Require queries, mutations, subscriptions or fragments to be located in separate files.",
url: `https://the-guild.dev/graphql/eslint/rules/${RULE_ID}`,
examples: [
{
title: "Incorrect",
code: (
/* GraphQL */
`
query Foo {
id
}
fragment Bar on Baz {
id
}
`
)
},
{
title: "Correct",
code: (
/* GraphQL */
`
query Foo {
id
}
`
)
}
]
},
messages: {
[RULE_ID]: "{{name}} should be in a separate file."
},
schema
},
create(context) {
const ignore = new Set(context.options[0]?.ignore || []), definitions = [];
return {
":matches(OperationDefinition, FragmentDefinition)"(node) {
const type = "operation" in node ? node.operation : "fragment";
ignore.has(type) || definitions.push({ type, node });
},
"Document:exit"() {
for (const { node, type } of definitions.slice(1)) {
let name = pascalCase(type);
const definitionName = node.name?.value;
definitionName && (name += ` "${definitionName}"`), context.report({
loc: node.name?.loc || getLocation(node.loc.start, type),
messageId: RULE_ID,
data: { name }
});
}
}
};
}
};
export {
rule
};