next/dist/lib/metadata/generate/alternate.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "AlternatesMetadata", {
    enumerable: true,
    get: function() {
        return AlternatesMetadata;
    }
});
const _react = /*#__PURE__*/ _interop_require_default(require("react"));
const _meta = require("./meta");
function _interop_require_default(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
function AlternateLink({ descriptor , ...props }) {
    if (!descriptor.url) return null;
    return /*#__PURE__*/ _react.default.createElement("link", {
        ...props,
        ...descriptor.title && {
            title: descriptor.title
        },
        href: descriptor.url.toString()
    });
}
function AlternatesMetadata({ alternates  }) {
    if (!alternates) return null;
    const { canonical , languages , media , types  } = alternates;
    return (0, _meta.MetaFilter)([
        canonical ? AlternateLink({
            rel: "canonical",
            descriptor: canonical
        }) : null,
        languages ? Object.entries(languages).flatMap(([locale, descriptors])=>{
            return descriptors == null ? void 0 : descriptors.map((descriptor)=>AlternateLink({
                    rel: "alternate",
                    hrefLang: locale,
                    descriptor
                }));
        }) : null,
        media ? Object.entries(media).flatMap(([mediaName, descriptors])=>{
            return descriptors == null ? void 0 : descriptors.map((descriptor)=>AlternateLink({
                    rel: "alternate",
                    media: mediaName,
                    descriptor
                }));
        }) : null,
        types ? Object.entries(types).flatMap(([type, descriptors])=>{
            return descriptors == null ? void 0 : descriptors.map((descriptor)=>AlternateLink({
                    rel: "alternate",
                    type,
                    descriptor
                }));
        }) : null
    ]);
}

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