use-neo4j/dist/schema.js

<div style="text-align:center"> <h1>React Hooks For Neo4j</h1>

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.useDatabases = exports.useSchema = void 0;
var react_1 = require("react");
var cypher_1 = require("./cypher");
function toPropertySchema(properties) {
    var ordered = Object.entries(properties)
        .sort(function (_a, _b) {
        var a = _a[0];
        var b = _b[0];
        return a < b ? -1 : 1;
    })
        .map(function (_a) {
        var key = _a[0], value = _a[1];
        return [key, value];
    });
    return Object.fromEntries(ordered);
}
function toLabelSchema(label, input) {
    return __assign(__assign({}, input), { label: label, relationships: Object.entries(input.relationships)
            .map(function (_a) {
            var key = _a[0], value = _a[1];
            return toRelationshipTypeSchema(key, value);
        })
            .sort(function (a, b) { return a.type < b.type ? -1 : 1; }), properties: toPropertySchema(input.properties), count: input === null || input === void 0 ? void 0 : input.count.toNumber() });
}
function toRelationshipTypeSchema(type, input) {
    var _a;
    return __assign(__assign({}, input), { type: type, count: (_a = input.count) === null || _a === void 0 ? void 0 : _a.toNumber(), properties: toPropertySchema(input.properties) });
}
function useSchema(specificDatabase) {
    var _a = cypher_1.useReadCypher('call apoc.meta.schema', {}, specificDatabase), loading = _a.loading, error = _a.error, first = _a.first, database = _a.database;
    var _b = react_1.useState([]), labels = _b[0], setLabels = _b[1];
    var _c = react_1.useState([]), types = _c[0], setTypes = _c[1];
    react_1.useEffect(function () {
        if (first) {
            setLabels(Object.entries(first.get('value'))
                .filter(function (_a) {
                var key = _a[0], value = _a[1];
                return value.type === 'node';
            })
                .map(function (_a) {
                var key = _a[0], value = _a[1];
                return toLabelSchema(key, value);
            })
                .sort(function (a, b) { return a.label < b.label ? -1 : 1; }));
            setTypes(Object.entries(first.get('value'))
                .filter(function (_a) {
                var key = _a[0], value = _a[1];
                return value.type === 'relationship';
            })
                .map(function (_a) {
                var key = _a[0], value = _a[1];
                return toRelationshipTypeSchema(key, value);
            })
                .sort(function (a, b) { return a.type < b.type ? -1 : 1; }));
        }
    }, [first]);
    return {
        loading: loading,
        error: error,
        database: database,
        labels: labels,
        types: types,
    };
}
exports.useSchema = useSchema;
function useDatabases() {
    var _a = cypher_1.useReadCypher('SHOW DATABASES', {}, 'system'), loading = _a.loading, error = _a.error, records = _a.records;
    var databases = records === null || records === void 0 ? void 0 : records.map(function (row) { return ({
        name: row.get('name'),
        address: row.get('address'),
        role: row.get('role'),
        requestedStatus: row.get('requestedStatus'),
        currentStatus: row.get('currentStatus'),
        error: row.get('error'),
        default: row.get('default'),
    }); });
    return {
        loading: loading,
        error: error,
        databases: databases,
    };
}
exports.useDatabases = useDatabases;