Files
yaak/src-web/components/GraphQLDocsExplorer.tsx
2025-06-23 14:09:09 -07:00

544 lines
15 KiB
TypeScript

import { useAtomValue } from 'jotai';
import { graphqlSchemaAtom } from '../atoms/graphqlSchemaAtom';
import { Input } from './core/Input';
import type {
GraphQLSchema,
GraphQLOutputType,
GraphQLScalarType,
GraphQLField,
GraphQLList,
GraphQLInputType,
GraphQLNonNull,
GraphQLObjectType,
} from 'graphql';
import { isNonNullType, isListType } from 'graphql';
import { Button } from './core/Button';
import { useEffect, useState } from 'react';
import { IconButton } from './core/IconButton';
import { fuzzyFilter } from 'fuzzbunny';
function getRootTypes(graphqlSchema: GraphQLSchema) {
return (
[
graphqlSchema.getQueryType(),
graphqlSchema.getMutationType(),
graphqlSchema.getSubscriptionType(),
].filter(Boolean) as NonNullable<ReturnType<GraphQLSchema['getQueryType']>>[]
).reduce(
(prev, curr) => {
return {
...prev,
[curr.name]: curr,
};
},
{} as Record<string, NonNullable<ReturnType<GraphQLSchema['getQueryType']>>>,
);
}
function getTypeIndices(
type: GraphQLAnyType,
context: IndexGenerationContext,
): SearchIndexRecord[] {
const indices: SearchIndexRecord[] = [];
if (!(type as GraphQLObjectType).name) {
return indices;
}
indices.push({
name: (type as GraphQLObjectType).name,
type: 'type',
schemaPointer: type,
args: '',
});
if ((type as GraphQLObjectType).getFields) {
indices.push(...getFieldsIndices((type as GraphQLObjectType).getFields(), context));
}
// remove duplicates from index
return indices.filter(
(x, i, array) => array.findIndex((y) => y.name === x.name && y.type === x.type) === i,
);
}
function getFieldsIndices(
fieldMap: FieldsMap,
context: IndexGenerationContext,
): SearchIndexRecord[] {
const indices: SearchIndexRecord[] = [];
Object.values(fieldMap).forEach((field) => {
if (!field.name) {
return;
}
const args =
field.args && field.args.length > 0 ? field.args.map((arg) => arg.name).join(', ') : '';
indices.push({
name: field.name,
type: context.rootType,
schemaPointer: field as unknown as Field,
args,
});
if (field.type) {
indices.push(...getTypeIndices(field.type, context));
}
});
// remove duplicates from index
return indices.filter(
(x, i, array) => array.findIndex((y) => y.name === x.name && y.type === x.type) === i,
);
}
type Field = NonNullable<ReturnType<GraphQLSchema['getQueryType']>>;
type FieldsMap = ReturnType<Field['getFields']>;
type GraphQLAnyType = FieldsMap[string]['type'];
type SearchIndexRecord = {
name: string;
args: string;
type: 'field' | 'type' | 'Query' | 'Mutation' | 'Subscription';
schemaPointer: SchemaPointer;
};
type IndexGenerationContext = {
rootType: 'Query' | 'Mutation' | 'Subscription';
};
type SchemaPointer = Field | GraphQLOutputType | GraphQLInputType | null;
type ViewMode = 'explorer' | 'search' | 'field';
type HistoryRecord = {
schemaPointer: SchemaPointer;
viewMode: ViewMode;
};
function DocsExplorer({ graphqlSchema }: { graphqlSchema: GraphQLSchema }) {
const [rootTypes, setRootTypes] = useState(getRootTypes(graphqlSchema));
const [schemaPointer, setSchemaPointer] = useState<SchemaPointer>(null);
const [history, setHistory] = useState<HistoryRecord[]>([]);
const [searchIndex, setSearchIndex] = useState<SearchIndexRecord[]>([]);
const [searchQuery, setSearchQuery] = useState<string>('');
const [searchResults, setSearchResults] = useState<SearchIndexRecord[]>([]);
const [viewMode, setViewMode] = useState<ViewMode>('explorer');
useEffect(() => {
setRootTypes(getRootTypes(graphqlSchema));
}, [graphqlSchema]);
useEffect(() => {
const typeMap = graphqlSchema.getTypeMap();
const index: SearchIndexRecord[] = Object.values(typeMap)
.filter((x) => !x.name.startsWith('__'))
.map((x) => ({
name: x.name,
type: 'type',
schemaPointer: x,
args: '',
}));
Object.values(rootTypes).forEach((type) => {
index.push(
...getFieldsIndices(type.getFields(), {
rootType: type.name as IndexGenerationContext['rootType'],
}),
);
});
setSearchIndex(
index.filter(
(x, i, array) => array.findIndex((y) => y.name === x.name && y.type === x.type) === i,
),
);
}, [graphqlSchema, rootTypes]);
useEffect(() => {
if (!searchQuery) {
setSearchResults([]);
return;
}
const results = fuzzyFilter(searchIndex, searchQuery, { fields: ['name', 'args'] })
.sort((a, b) => b.score - a.score)
.map((v) => v.item);
setSearchResults(results);
}, [searchIndex, searchQuery]);
const goBack = () => {
if (history.length === 0) {
return;
}
const newHistory = history.slice(0, history.length - 1);
const prevHistoryRecord = newHistory[newHistory.length - 1];
if (prevHistoryRecord) {
const { schemaPointer: newPointer, viewMode } = prevHistoryRecord;
setHistory(newHistory);
setSchemaPointer(newPointer!);
setViewMode(viewMode);
return;
}
goHome();
};
const addToHistory = (historyRecord: HistoryRecord) => {
setHistory([...history, historyRecord]);
};
const goHome = () => {
setHistory([]);
setSchemaPointer(null);
setViewMode('explorer');
};
const renderRootTypes = () => {
return (
<div className="mt-5 flex flex-col gap-3">
{Object.values(rootTypes).map((x) => (
<button
key={x.name}
className="block text-primary cursor-pointer w-fit"
onClick={() => {
addToHistory({
schemaPointer: x,
viewMode: 'explorer',
});
setSchemaPointer(x);
}}
>
{x.name}
</button>
))}
</div>
);
};
const extractActualType = (type: GraphQLField<never, never>['type'] | GraphQLInputType) => {
// check if non-null
if (isNonNullType(type) || isListType(type)) {
return extractActualType((type as GraphQLNonNull<GraphQLOutputType>).ofType);
}
return type;
};
const onTypeClick = (type: GraphQLField<never, never>['type'] | GraphQLInputType) => {
// check if non-null
if (isNonNullType(type)) {
onTypeClick((type as GraphQLNonNull<GraphQLOutputType>).ofType);
return;
}
// check if list
if (isListType(type)) {
onTypeClick((type as GraphQLList<GraphQLOutputType>).ofType);
return;
}
setSchemaPointer(type);
addToHistory({
schemaPointer: type as Field,
viewMode: 'explorer',
});
setViewMode('explorer');
};
const onFieldClick = (field: GraphQLField<unknown, unknown>) => {
setSchemaPointer(field as unknown as Field);
setViewMode('field');
addToHistory({
schemaPointer: field as unknown as Field,
viewMode: 'field',
});
};
const renderSubFieldRecord = (
field: FieldsMap[string],
options?: {
addable?: boolean;
},
) => {
return (
<div className="flex flex-row justify-start items-center">
{options?.addable ? (
<IconButton size="sm" icon="plus_circle" iconColor="secondary" title="Add to query" />
) : null}
<div className="flex flex-col">
<div>
<span> </span>
<button className="cursor-pointer text-primary" onClick={() => onFieldClick(field)}>
{field.name}
</button>
{/* Arguments block */}
{field.args && field.args.length > 0 ? (
<>
<span> ( </span>
{field.args.map((arg, i, array) => (
<>
<button key={arg.name} onClick={() => onTypeClick(arg.type)}>
<span className="text-primary cursor-pointer">{arg.name}</span>
<span> </span>
<span className="text-success underline cursor-pointer">
{arg.type.toString()}
</span>
{i < array.length - 1 ? (
<>
<span> </span>
<span> , </span>
<span> </span>
</>
) : null}
</button>
<span> </span>
</>
))}
<span>)</span>
</>
) : null}
{/* End of Arguments Block */}
<span> </span>
<button
className="text-success underline cursor-pointer"
onClick={() => onTypeClick(field.type)}
>
{field.type.toString()}
</button>
</div>
{field.description ? <div>{field.description}</div> : null}
</div>
</div>
);
};
const renderScalarField = () => {
const scalarField = schemaPointer as GraphQLScalarType;
return <div>{scalarField.toConfig().description}</div>;
};
const renderSubFields = () => {
if (!schemaPointer) {
return null;
}
if (!(schemaPointer as Field).getFields) {
// Scalar field
return renderScalarField();
}
if (!(schemaPointer as Field).getFields()) {
return null;
}
return Object.values((schemaPointer as Field).getFields()).map((x) =>
renderSubFieldRecord(x, { addable: true }),
);
};
const renderFieldDocView = () => {
if (!schemaPointer) {
return null;
}
return (
<div>
<div className="text-primary mt-5">{(schemaPointer as Field).name}</div>
{(schemaPointer as Field).getFields ? <div className="my-3">Fields</div> : null}
<div className="flex flex-col gap-7">{renderSubFields()}</div>
</div>
);
};
const renderExplorerView = () => {
if (history.length === 0) {
return renderRootTypes();
}
return renderFieldDocView();
};
const renderFieldView = () => {
if (!schemaPointer) {
return null;
}
const field = schemaPointer as unknown as GraphQLField<unknown, unknown>;
const returnType = extractActualType(field.type);
return (
<div>
<div className="text-primary mt-10">{field.name}</div>
{/* Arguments */}
{field.args && field.args.length > 0 ? (
<div className="mt-8">
<div>Arguments</div>
<div className="mt-2">
<div>
{field.args.map((arg, i, array) => (
<>
<button key={arg.name} onClick={() => onTypeClick(arg.type)}>
<span className="text-primary cursor-pointer">{arg.name}</span>
<span> </span>
<span className="text-success underline cursor-pointer">
{arg.type.toString()}
</span>
{i < array.length - 1 ? (
<>
<span> </span>
<span> , </span>
<span> </span>
</>
) : null}
</button>
<span> </span>
</>
))}
</div>
</div>
</div>
) : null}
{/* End of Arguments */}
{/* Return type */}
<div className="mt-8">
<div>Type</div>
<div className="text-primary mt-2">{returnType.name}</div>
</div>
{/* End of Return type */}
{/* Fields */}
{(returnType as GraphQLObjectType).getFields &&
Object.values((returnType as GraphQLObjectType).getFields()).length > 0 ? (
<div className="mt-8">
<div>Fields</div>
<div className="flex flex-col gap-3 mt-2">
{Object.values((returnType as GraphQLObjectType).getFields()).map((x) =>
renderSubFieldRecord(x),
)}
</div>
</div>
) : null}
{/* End of Fields */}
</div>
);
};
const renderTopBar = () => {
return (
<div className="flex flex-row gap-2">
<Button onClick={goBack}>Back</Button>
<IconButton onClick={goHome} icon="house" title="Go to beginning" />
</div>
);
};
const renderSearchView = () => {
return (
<div>
<div className="mt-5 text-primary">Search results</div>
<div className="mt-4 flex flex-col gap-3">
{searchResults.map((result) => (
<button
key={`${result.name}-${result.type}`}
className="cursor-pointer border border-1 border-border-subtle rounded-md p-2 flex flex-row justify-between hover:bg-surface-highlight transition-colors"
onClick={() => {
if (!result.schemaPointer) {
throw new Error('somehow search result record contains no schema pointer');
}
console.log(result);
if (result.type === 'type') {
onTypeClick(result.schemaPointer);
return;
}
onFieldClick(result.schemaPointer as unknown as GraphQLField<unknown, unknown>);
}}
>
<div className="flex flex-row">
<div className="cursor-pointer">{result.name}</div>
{result.args ? (
<div className="cursor-pointer">
{'( '}
{result.args}
{' )'}
</div>
) : null}
</div>
<div className="cursor-pointer">{result.type}</div>
</button>
))}
</div>
</div>
);
};
const renderView = () => {
if (viewMode === 'field') {
return renderFieldView();
}
if (viewMode === 'search') {
return renderSearchView();
}
return renderExplorerView();
};
return (
<div className="overflow-y-auto pe-3">
<div className="min-h-[35px]">
{history.length > 0 || viewMode === 'search' ? renderTopBar() : null}
</div>
{/* Search bar */}
<div className="relative">
<Input
label="Search docs"
stateKey="search_graphql_docs"
placeholder="Search docs"
hideLabel
defaultValue={searchQuery}
onChange={(value) => {
setSearchQuery(value);
}}
onKeyDown={(e) => {
// check if enter
if (e.key === 'Enter' && viewMode !== 'search') {
addToHistory({
schemaPointer: null,
viewMode: 'search',
});
setViewMode('search');
}
}}
/>
</div>
{/* End of search bar */}
<div>{renderView()}</div>
</div>
);
}
export function GraphQLDocsExplorer() {
const graphqlSchema = useAtomValue(graphqlSchemaAtom);
if (graphqlSchema) {
return <DocsExplorer graphqlSchema={graphqlSchema} />;
}
return <div>There is no schema</div>;
}