@theguild/federation-composition
Version:
Open Source Composition library for Apollo Federation
90 lines (89 loc) • 2.87 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Node = void 0;
const helpers_js_1 = require("./helpers.js");
class Node {
index;
typeName;
typeState;
graphId;
graphName;
_toString = (0, helpers_js_1.lazy)(() => `${this.typeName}/${this.graphName}`);
isLeaf = false;
childrenIndex = new Map();
visitedGraphCombos = [];
constructor(index, typeName, typeState, graphId, graphName) {
this.index = index;
this.typeName = typeName;
this.typeState = typeState;
this.graphId = graphId;
this.graphName = graphName;
if (this.typeState === undefined) {
throw new Error(`Expected typeState to be defined for ${typeName} in subgraph ${graphName}`);
}
if (this.typeState === null ||
this.typeState.kind === 'scalar' ||
this.typeState.kind === 'enum') {
this.isLeaf = true;
}
}
withoutState() {
this.childrenIndex = new Map();
this.visitedGraphCombos = [];
return this;
}
addFieldEdge(fieldName, edgeAt) {
const id = `field__${fieldName}`;
const indexes = this.childrenIndex.get(id);
if (indexes) {
if (!indexes.includes(edgeAt)) {
indexes.push(edgeAt);
}
}
else {
this.childrenIndex.set(id, [edgeAt]);
}
}
getFieldEdgeIndexes(fieldName) {
return this.childrenIndex.get(`field__${fieldName}`);
}
addEntityEdge(typeName, edgeAt) {
this.pushToChildrenIndex(`entity__${typeName}`, edgeAt);
}
getEntityEdgeIndexes(typeName) {
return this.childrenIndex.get(`entity__${typeName}`);
}
addAbstractEdge(typeName, edgeAt) {
this.pushToChildrenIndex(`abstract__${typeName}`, edgeAt);
}
getAbstractEdgeIndexes(typeName) {
return this.childrenIndex.get(`abstract__${typeName}`);
}
addCrossGraphEdge(typeName, edgeAt) {
this.pushToChildrenIndex(`cross-graph__${typeName}`, edgeAt);
}
getCrossGraphEdgeIndexes(typeName) {
return this.childrenIndex.get(`cross-graph__${typeName}`);
}
pushToChildrenIndex(id, edgeAt) {
const indexes = this.childrenIndex.get(id);
if (indexes) {
if (!indexes.includes(edgeAt)) {
indexes.push(edgeAt);
}
}
else {
this.childrenIndex.set(id, [edgeAt]);
}
}
isGraphComboVisited(graphNameProvidesCombos) {
return this.visitedGraphCombos.some(visitedGraphs => visitedGraphs.every(g => graphNameProvidesCombos.includes(g)));
}
setGraphComboAsVisited(graphNames) {
this.visitedGraphCombos.push(graphNames);
}
toString() {
return this._toString.get();
}
}
exports.Node = Node;