@itrocks/route/esm/routes.js

Domain-driven route manager with automatic generation, decorators, and static routes

import { sep } from 'path';
import { isDestination } from './destination.js';
import { resolveDestination } from './destination.js';
export class Routes {
    routes = {};
    add(path, destination) {
        let route = this.routes;
        const names = path.split(sep).slice(1).reverse();
        const length = names.length - 1;
        for (let index = 0; index < length; index++) {
            const name = names[index];
            let step = route[name] ?? {};
            if (isDestination(step)) {
                step = { '.': step };
            }
            route = route[name] = step;
        }
        const name = names[length];
        if (route[name]) {
            Object.assign(route[name], { '.': destination });
        }
        else {
            route[name] = destination;
        }
    }
    destination(route) {
        let position = this.routes;
        for (const name of route.slice(1).split('/').reverse()) {
            if (isDestination(position)) {
                return position;
            }
            const step = position[name];
            if (step) {
                position = step;
            }
        }
        if ((typeof position === 'object') && position['.']) {
            position = position['.'];
        }
        return isDestination(position)
            ? position
            : undefined;
    }
    resolve(route) {
        const destination = this.destination(route);
        if (!destination) {
            return undefined;
        }
        return resolveDestination(destination);
    }
    simplify() {
        function simplifyStep(step, parentStep, parentName) {
            if (isDestination(step)) {
                return;
            }
            for (const [name, nextStep] of Object.entries(step)) {
                simplifyStep(nextStep, step, name);
            }
            const steps = Object.values(step);
            if (steps.length === 1) {
                parentStep[parentName] = steps[0];
            }
        }
        for (const [name, step] of Object.entries(this.routes)) {
            simplifyStep(step, this.routes, name);
        }
    }
    summarize(route) {
        let position = this.routes;
        let summary = '';
        for (const name of route.slice(1).split('/').reverse()) {
            if (isDestination(position)) {
                return summary;
            }
            const step = position[name];
            if (step) {
                summary += '/' + name;
                position = step;
            }
        }
        if ((typeof position === 'object') && position['.']) {
            position = position['.'];
        }
        return summary;
    }
}
//# sourceMappingURL=routes.js.map