@davidlj95/ngx-meta/esm2022/core/src/resolvers/metadata-json-resolver.mjs

Set your Angular site's metadata: standard meta tags, Open Graph, Twitter Cards, JSON-LD structured data and more. Supports SSR (and Angular Universal). Use a service. Use routes' data. Set it up in a flash! 🚀

import { isObject } from '../utils/is-object';
import { _isDefined, _makeInjectionToken } from '../utils';
export const metadataJsonResolver = () => _makeInjectionToken(ngDevMode ? 'JSON Resolver' : 'JR', () => (values, resolverOptions) => {
    if (values === undefined) {
        return;
    }
    const keys = [...resolverOptions.jsonPath];
    let value = values;
    for (const key of keys) {
        if (!_isDefined(value)) {
            break;
        }
        value = value[key];
    }
    const globalValue = resolverOptions.global !== undefined
        ? values[resolverOptions.global]
        : undefined;
    if (isObject(value) &&
        isObject(globalValue) &&
        resolverOptions.objectMerge) {
        return {
            ...globalValue,
            ...value,
        };
    }
    if (value !== undefined) {
        return value;
    }
    return globalValue;
});
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