@nestjs/core
Version:
Nest - modern, fast, powerful node.js web framework (@core)
31 lines (30 loc) • 1.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getInstancesGroupedByHierarchyLevel = getInstancesGroupedByHierarchyLevel;
function getInstancesGroupedByHierarchyLevel(...collections) {
const groupedByHierarchyLevel = new Map();
for (const collection of collections) {
for (const [_, wrapper] of collection) {
if (!wrapper.isDependencyTreeStatic()) {
continue;
}
const level = wrapper.hierarchyLevel;
if (!groupedByHierarchyLevel.has(level)) {
groupedByHierarchyLevel.set(level, []);
}
const byHierarchyLevelGroup = groupedByHierarchyLevel.get(level);
if (wrapper.isTransient) {
const staticTransientInstances = wrapper
.getStaticTransientInstances()
.filter(i => !!i)
.map(i => i.instance);
byHierarchyLevelGroup.push(...staticTransientInstances);
continue;
}
if (wrapper.instance) {
byHierarchyLevelGroup.push(wrapper.instance);
}
}
}
return groupedByHierarchyLevel;
}