create project

kitabcitab/node_modules/next/dist/shared/lib/head.js

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+"use client";
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.defaultHead = defaultHead;
+exports.default = void 0;
+var _extends = require("@swc/helpers/lib/_extends.js").default;
+var _interop_require_default = require("@swc/helpers/lib/_interop_require_default.js").default;
+var _interop_require_wildcard = require("@swc/helpers/lib/_interop_require_wildcard.js").default;
+var _react = _interop_require_wildcard(require("react"));
+var _sideEffect = _interop_require_default(require("./side-effect"));
+var _ampContext = require("./amp-context");
+var _headManagerContext = require("./head-manager-context");
+var _ampMode = require("./amp-mode");
+var _warnOnce = require("./utils/warn-once");
+
+function defaultHead(inAmpMode = false) {
+    const head = [
+        /*#__PURE__*/ _react.default.createElement("meta", {
+            charSet: "utf-8"
+        })
+    ];
+    if (!inAmpMode) {
+        head.push(/*#__PURE__*/ _react.default.createElement("meta", {
+            name: "viewport",
+            content: "width=device-width"
+        }));
+    }
+    return head;
+}
+function onlyReactElement(list, child) {
+    // React children can be "string" or "number" in this case we ignore them for backwards compat
+    if (typeof child === 'string' || typeof child === 'number') {
+        return list;
+    }
+    // Adds support for React.Fragment
+    if (child.type === _react.default.Fragment) {
+        return list.concat(_react.default.Children.toArray(child.props.children).reduce((fragmentList, fragmentChild)=>{
+            if (typeof fragmentChild === 'string' || typeof fragmentChild === 'number') {
+                return fragmentList;
+            }
+            return fragmentList.concat(fragmentChild);
+        }, []));
+    }
+    return list.concat(child);
+}
+const METATYPES = [
+    'name',
+    'httpEquiv',
+    'charSet',
+    'itemProp'
+];
+/*
+ returns a function for filtering head child elements
+ which shouldn't be duplicated, like <title/>
+ Also adds support for deduplicated `key` properties
+*/ function unique() {
+    const keys = new Set();
+    const tags = new Set();
+    const metaTypes = new Set();
+    const metaCategories = {};
+    return (h)=>{
+        let isUnique = true;
+        let hasKey = false;
+        if (h.key && typeof h.key !== 'number' && h.key.indexOf('$') > 0) {
+            hasKey = true;
+            const key = h.key.slice(h.key.indexOf('$') + 1);
+            if (keys.has(key)) {
+                isUnique = false;
+            } else {
+                keys.add(key);
+            }
+        }
+        // eslint-disable-next-line default-case
+        switch(h.type){
+            case 'title':
+            case 'base':
+                if (tags.has(h.type)) {
+                    isUnique = false;
+                } else {
+                    tags.add(h.type);
+                }
+                break;
+            case 'meta':
+                for(let i = 0, len = METATYPES.length; i < len; i++){
+                    const metatype = METATYPES[i];
+                    if (!h.props.hasOwnProperty(metatype)) continue;
+                    if (metatype === 'charSet') {
+                        if (metaTypes.has(metatype)) {
+                            isUnique = false;
+                        } else {
+                            metaTypes.add(metatype);
+                        }
+                    } else {
+                        const category = h.props[metatype];
+                        const categories = metaCategories[metatype] || new Set();
+                        if ((metatype !== 'name' || !hasKey) && categories.has(category)) {
+                            isUnique = false;
+                        } else {
+                            categories.add(category);
+                            metaCategories[metatype] = categories;
+                        }
+                    }
+                }
+                break;
+        }
+        return isUnique;
+    };
+}
+/**
+ *
+ * @param headChildrenElements List of children of <Head>
+ */ function reduceComponents(headChildrenElements, props) {
+    const { inAmpMode  } = props;
+    return headChildrenElements.reduce(onlyReactElement, []).reverse().concat(defaultHead(inAmpMode).reverse()).filter(unique()).reverse().map((c, i)=>{
+        const key = c.key || i;
+        if (process.env.NODE_ENV !== 'development' && process.env.__NEXT_OPTIMIZE_FONTS && !inAmpMode) {
+            if (c.type === 'link' && c.props['href'] && // TODO(prateekbh@): Replace this with const from `constants` when the tree shaking works.
+            [
+                'https://fonts.googleapis.com/css',
+                'https://use.typekit.net/'
+            ].some((url)=>c.props['href'].startsWith(url))) {
+                const newProps = _extends({}, c.props || {});
+                newProps['data-href'] = newProps['href'];
+                newProps['href'] = undefined;
+                // Add this attribute to make it easy to identify optimized tags
+                newProps['data-optimized-fonts'] = true;
+                return /*#__PURE__*/ _react.default.cloneElement(c, newProps);
+            }
+        }
+        if (process.env.NODE_ENV === 'development') {
+            // omit JSON-LD structured data snippets from the warning
+            if (c.type === 'script' && c.props['type'] !== 'application/ld+json') {
+                const srcMessage = c.props['src'] ? `<script> tag with src="${c.props['src']}"` : `inline <script>`;
+                (0, _warnOnce).warnOnce(`Do not add <script> tags using next/head (see ${srcMessage}). Use next/script instead. \nSee more info here: https://nextjs.org/docs/messages/no-script-tags-in-head-component`);
+            } else if (c.type === 'link' && c.props['rel'] === 'stylesheet') {
+                (0, _warnOnce).warnOnce(`Do not add stylesheets using next/head (see <link rel="stylesheet"> tag with href="${c.props['href']}"). Use Document instead. \nSee more info here: https://nextjs.org/docs/messages/no-stylesheets-in-head-component`);
+            }
+        }
+        return /*#__PURE__*/ _react.default.cloneElement(c, {
+            key
+        });
+    });
+}
+/**
+ * This component injects elements to `<head>` of your page.
+ * To avoid duplicated `tags` in `<head>` you can use the `key` property, which will make sure every tag is only rendered once.
+ */ function Head({ children  }) {
+    const ampState = (0, _react).useContext(_ampContext.AmpStateContext);
+    const headManager = (0, _react).useContext(_headManagerContext.HeadManagerContext);
+    return /*#__PURE__*/ _react.default.createElement(_sideEffect.default, {
+        reduceComponentsToState: reduceComponents,
+        headManager: headManager,
+        inAmpMode: (0, _ampMode).isInAmpMode(ampState)
+    }, children);
+}
+var _default = Head;
+exports.default = _default;
+
+if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
+  Object.defineProperty(exports.default, '__esModule', { value: true });
+  Object.assign(exports.default, exports);
+  module.exports = exports.default;
+}
+
+//# sourceMappingURL=head.js.map