@graphiql/toolkit
Version:
Utility to build a fetcher for GraphiQL
123 lines (122 loc) • 4.35 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: !0 });
}, __copyProps = (to, from, except, desc) => {
if (from && typeof from == "object" || typeof from == "function")
for (let key of __getOwnPropNames(from))
!__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: !0 }), mod);
var auto_complete_exports = {};
__export(auto_complete_exports, {
fillLeafs: () => fillLeafs
});
module.exports = __toCommonJS(auto_complete_exports);
var import_graphql = require("graphql");
function fillLeafs(schema, docString, getDefaultFieldNames) {
const insertions = [];
if (!schema || !docString)
return { insertions, result: docString };
let ast;
try {
ast = (0, import_graphql.parse)(docString);
} catch (e) {
return { insertions, result: docString };
}
const fieldNameFn = getDefaultFieldNames || defaultGetDefaultFieldNames, typeInfo = new import_graphql.TypeInfo(schema);
return (0, import_graphql.visit)(ast, {
leave(node) {
typeInfo.leave(node);
},
enter(node) {
if (typeInfo.enter(node), node.kind === "Field" && !node.selectionSet) {
const fieldType = typeInfo.getType(), selectionSet = buildSelectionSet(
isFieldType(fieldType),
fieldNameFn
);
if (selectionSet && node.loc) {
const indent = getIndentation(docString, node.loc.start);
insertions.push({
index: node.loc.end,
string: " " + (0, import_graphql.print)(selectionSet).replaceAll(`
`, `
` + indent)
});
}
}
}
}), {
insertions,
result: withInsertions(docString, insertions)
};
}
function defaultGetDefaultFieldNames(type) {
if (!("getFields" in type))
return [];
const fields = type.getFields();
if (fields.id)
return ["id"];
if (fields.edges)
return ["edges"];
if (fields.node)
return ["node"];
const leafFieldNames = [];
for (const fieldName of Object.keys(fields))
(0, import_graphql.isLeafType)(fields[fieldName].type) && leafFieldNames.push(fieldName);
return leafFieldNames;
}
function buildSelectionSet(type, getDefaultFieldNames) {
const namedType = (0, import_graphql.getNamedType)(type);
if (!type || (0, import_graphql.isLeafType)(type))
return;
const fieldNames = getDefaultFieldNames(namedType);
if (!(!Array.isArray(fieldNames) || fieldNames.length === 0 || !("getFields" in namedType)))
return {
kind: import_graphql.Kind.SELECTION_SET,
selections: fieldNames.map((fieldName) => {
const fieldDef = namedType.getFields()[fieldName], fieldType = fieldDef ? fieldDef.type : null;
return {
kind: import_graphql.Kind.FIELD,
name: {
kind: import_graphql.Kind.NAME,
value: fieldName
},
// we can use as here, because we already know that fieldType
// comes from an origin parameter
selectionSet: buildSelectionSet(fieldType, getDefaultFieldNames)
};
})
};
}
function withInsertions(initial, insertions) {
if (insertions.length === 0)
return initial;
let edited = "", prevIndex = 0;
for (const { index, string } of insertions)
edited += initial.slice(prevIndex, index) + string, prevIndex = index;
return edited += initial.slice(prevIndex), edited;
}
function getIndentation(str, index) {
let indentStart = index, indentEnd = index;
for (; indentStart; ) {
const c = str.charCodeAt(indentStart - 1);
if (c === 10 || c === 13 || c === 8232 || c === 8233)
break;
indentStart--, c !== 9 && c !== 11 && c !== 12 && c !== 32 && c !== 160 && (indentEnd = indentStart);
}
return str.slice(indentStart, indentEnd);
}
function isFieldType(fieldType) {
if (fieldType)
return fieldType;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
fillLeafs
});