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react-helmet-async
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react-helmet-async - npm Package Compare versions
Comparing version 1.0.9 to 1.1.0
154
index.d.ts
@@ -1,86 +0,70 @@ | ||
| declare module 'react-helmet-async' { | ||
| import * as React from 'react'; | ||
| interface OtherElementAttributes { | ||
| [key: string]: string | number | boolean | null | undefined; | ||
| } | ||
| type HtmlProps = JSX.IntrinsicElements['html'] & OtherElementAttributes; | ||
| type BodyProps = JSX.IntrinsicElements['body'] & OtherElementAttributes; | ||
| type LinkProps = JSX.IntrinsicElements['link']; | ||
| type MetaProps = JSX.IntrinsicElements['meta']; | ||
| export interface HelmetTags { | ||
| baseTag: Array<any>; | ||
| linkTags: Array<HTMLLinkElement>; | ||
| metaTags: Array<HTMLMetaElement>; | ||
| noscriptTags: Array<any>; | ||
| scriptTags: Array<HTMLScriptElement>; | ||
| styleTags: Array<HTMLStyleElement>; | ||
| } | ||
| export interface HelmetProps { | ||
| async?: boolean; | ||
| base?: any; | ||
| bodyAttributes?: BodyProps; | ||
| defaultTitle?: string; | ||
| defer?: boolean; | ||
| encodeSpecialCharacters?: boolean; | ||
| htmlAttributes?: HtmlProps; | ||
| onChangeClientState?: (newState: any, addedTags: HelmetTags, removedTags: HelmetTags) => void; | ||
| link?: LinkProps[]; | ||
| meta?: MetaProps[]; | ||
| noscript?: Array<any>; | ||
| script?: Array<any>; | ||
| style?: Array<any>; | ||
| title?: string; | ||
| titleAttributes?: Object; | ||
| titleTemplate?: string; | ||
| } | ||
| export class Helmet extends React.Component<HelmetProps> { | ||
| } | ||
| export interface HelmetData { | ||
| base: HelmetDatum; | ||
| bodyAttributes: HelmetHTMLBodyDatum; | ||
| htmlAttributes: HelmetHTMLElementDatum; | ||
| link: HelmetDatum; | ||
| meta: HelmetDatum; | ||
| noscript: HelmetDatum; | ||
| script: HelmetDatum; | ||
| style: HelmetDatum; | ||
| title: HelmetDatum; | ||
| titleAttributes: HelmetDatum; | ||
| } | ||
| export interface HelmetDatum { | ||
| toString(): string; | ||
| toComponent(): React.Component<any>; | ||
| } | ||
| export interface HelmetHTMLBodyDatum { | ||
| toString(): string; | ||
| toComponent(): React.HTMLAttributes<HTMLBodyElement>; | ||
| } | ||
| export interface HelmetHTMLElementDatum { | ||
| toString(): string; | ||
| toComponent(): React.HTMLAttributes<HTMLHtmlElement>; | ||
| } | ||
| export interface FilledContext { | ||
| helmet: HelmetData; | ||
| } | ||
| interface ProviderProps { | ||
| context?: {}; | ||
| } | ||
| export class HelmetProvider extends React.Component<ProviderProps> { | ||
| static canUseDOM: boolean; | ||
| } | ||
| export { default as HelmetProvider } from "./Provider"; | ||
| export class Helmet { | ||
| /** | ||
| * @param {Object} base: {"target": "_blank", "href": "http://mysite.com/"} | ||
| * @param {Object} bodyAttributes: {"className": "root"} | ||
| * @param {String} defaultTitle: "Default Title" | ||
| * @param {Boolean} defer: true | ||
| * @param {Boolean} encodeSpecialCharacters: true | ||
| * @param {Object} htmlAttributes: {"lang": "en", "amp": undefined} | ||
| * @param {Array} link: [{"rel": "canonical", "href": "http://mysite.com/example"}] | ||
| * @param {Array} meta: [{"name": "description", "content": "Test description"}] | ||
| * @param {Array} noscript: [{"innerHTML": "<img src='http://mysite.com/js/test.js'"}] | ||
| * @param {Function} onChangeClientState: "(newState) => console.log(newState)" | ||
| * @param {Array} script: [{"type": "text/javascript", "src": "http://mysite.com/js/test.js"}] | ||
| * @param {Array} style: [{"type": "text/css", "cssText": "div { display: block; color: blue; }"}] | ||
| * @param {String} title: "Title" | ||
| * @param {Object} titleAttributes: {"itemprop": "name"} | ||
| * @param {String} titleTemplate: "MySite.com - %s" | ||
| * @param {Boolean} prioritizeSeoTags: false | ||
| */ | ||
| static propTypes: { | ||
| base: any; | ||
| bodyAttributes: any; | ||
| children: any; | ||
| defaultTitle: any; | ||
| defer: any; | ||
| encodeSpecialCharacters: any; | ||
| htmlAttributes: any; | ||
| link: any; | ||
| meta: any; | ||
| noscript: any; | ||
| onChangeClientState: any; | ||
| script: any; | ||
| style: any; | ||
| title: any; | ||
| titleAttributes: any; | ||
| titleTemplate: any; | ||
| prioritizeSeoTags: any; | ||
| }; | ||
| static defaultProps: { | ||
| defer: boolean; | ||
| encodeSpecialCharacters: boolean; | ||
| prioritizeSeoTags: boolean; | ||
| }; | ||
| static displayName: string; | ||
| shouldComponentUpdate(nextProps: any): boolean; | ||
| mapNestedChildrenToProps(child: any, nestedChildren: any): { | ||
| innerHTML: any; | ||
| cssText?: undefined; | ||
| } | { | ||
| cssText: any; | ||
| innerHTML?: undefined; | ||
| }; | ||
| flattenArrayTypeChildren({ child, arrayTypeChildren, newChildProps, nestedChildren }: { | ||
| child: any; | ||
| arrayTypeChildren: any; | ||
| newChildProps: any; | ||
| nestedChildren: any; | ||
| }): any; | ||
| mapObjectTypeChildren({ child, newProps, newChildProps, nestedChildren }: { | ||
| child: any; | ||
| newProps: any; | ||
| newChildProps: any; | ||
| nestedChildren: any; | ||
| }): any; | ||
| mapArrayTypeChildrenToProps(arrayTypeChildren: any, newProps: any): any; | ||
| warnOnInvalidChildren(child: any, nestedChildren: any): boolean; | ||
| mapChildrenToProps(children: any, newProps: any): any; | ||
| render(): any; | ||
| } |
@@ -1,2 +0,2 @@ | ||
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l.NOSCRIPT:return{innerHTML:t};case l.STYLE:return{cssText:t};default:throw new Error(`<${e.type} /> elements are self-closing and can not contain children. Refer to our API for more information.`)}}flattenArrayTypeChildren({child:e,arrayTypeChildren:t,newChildProps:r,nestedChildren:n}){return i({},t,{[e.type]:[...t[e.type]||[],i({},r,this.mapNestedChildrenToProps(e,n))]})}mapObjectTypeChildren({child:e,newProps:t,newChildProps:r,nestedChildren:n}){switch(e.type){case l.TITLE:return i({},t,{[e.type]:n,titleAttributes:i({},r)});case l.BODY:return i({},t,{bodyAttributes:i({},r)});case l.HTML:return i({},t,{htmlAttributes:i({},r)});default:return i({},t,{[e.type]:i({},r)})}}mapArrayTypeChildrenToProps(e,t){let r=i({},t);return Object.keys(e).forEach(t=>{r=i({},r,{[t]:e[t]})}),r}warnOnInvalidChildren(e,t){return s(c.some(t=>e.type===t),"function"==typeof e.type?"You may be attempting to nest <Helmet> components within each other, which is not allowed. Refer to our API for more information.":`Only elements types ${c.join(", ")} are allowed. Helmet does not support rendering <${e.type}> elements. 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n=0;n<r.length;n+=1)if(t[r[n]]&&t[r[n]].includes(e[r[n]]))return!0;return!1})(r,t)?e.priority.push(r):e.default.push(r),e),{priority:[],default:[]}):{default:e},E=[l.NOSCRIPT,l.SCRIPT,l.STYLE],I=(e,t=!0)=>!1===t?String(e):String(e).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'"),P=e=>Object.keys(e).reduce((t,r)=>{const n=void 0!==e[r]?`${r}="${e[r]}"`:`${r}`;return t?`${t} ${n}`:n},""),x=(e,t={})=>Object.keys(e).reduce((t,r)=>(t[h[r]||r]=e[r],t),t),L=(t,r)=>r.map((r,n)=>{const s={key:n,"data-rh":!0};return Object.keys(r).forEach(e=>{const t=h[e]||e;"innerHTML"===t||"cssText"===t?s.dangerouslySetInnerHTML={__html:r.innerHTML||r.cssText}:s[t]=r[e]}),e.createElement(t,s)}),w=(t,r,n)=>{switch(t){case l.TITLE:return{toComponent:()=>((t,r,n)=>{const s=x(n,{key:r,"data-rh":!0});return[e.createElement(l.TITLE,s,r)]})(0,r.title,r.titleAttributes),toString:()=>((e,t,r,n)=>{const s=P(r),i=S(t);return s?`<${e} data-rh="true" ${s}>${I(i,n)}</${e}>`:`<${e} 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t=this.instances.indexOf(e);this.instances.splice(t,1)}}},M.canUseDOM||(e.context.helmet=j({baseTag:[],bodyAttributes:{},encodeSpecialCharacters:!0,htmlAttributes:{},linkTags:[],metaTags:[],noscriptTags:[],scriptTags:[],styleTags:[],title:"",titleAttributes:{}}))}render(){return e.createElement(v.Provider,{value:this.value},this.props.children)}}M.canUseDOM=k,M.propTypes={context:r.shape({helmet:r.shape()}),children:r.node.isRequired},M.defaultProps={context:{}},M.displayName="HelmetProvider";const H=(e,t)=>{const r=document.head||document.querySelector(l.HEAD),n=r.querySelectorAll(`${e}[data-rh]`),s=[].slice.call(n),i=[];let o;return t&&t.length&&t.forEach(t=>{const r=document.createElement(e);for(const e in t)Object.prototype.hasOwnProperty.call(t,e)&&("innerHTML"===e?r.innerHTML=t.innerHTML:"cssText"===e?r.styleSheet?r.styleSheet.cssText=t.cssText:r.appendChild(document.createTextNode(t.cssText)):r.setAttribute(e,void 0===t[e]?"":t[e]));r.setAttribute("data-rh","true"),s.some((e,t)=>(o=t,r.isEqualNode(e)))?s.splice(o,1):i.push(r)}),s.forEach(e=>e.parentNode.removeChild(e)),i.forEach(e=>r.appendChild(e)),{oldTags:s,newTags:i}},N=(e,t)=>{const r=document.getElementsByTagName(e)[0];if(!r)return;const n=r.getAttribute("data-rh"),s=n?n.split(","):[],i=[].concat(s),o=Object.keys(t);for(let e=0;e<o.length;e+=1){const n=o[e],a=t[n]||"";r.getAttribute(n)!==a&&r.setAttribute(n,a),-1===s.indexOf(n)&&s.push(n);const l=i.indexOf(n);-1!==l&&i.splice(l,1)}for(let e=i.length-1;e>=0;e-=1)r.removeAttribute(i[e]);s.length===i.length?r.removeAttribute("data-rh"):r.getAttribute("data-rh")!==o.join(",")&&r.setAttribute("data-rh",o.join(","))},R=(e,t)=>{const{baseTag:r,bodyAttributes:n,htmlAttributes:s,linkTags:i,metaTags:o,noscriptTags:a,onChangeClientState:c,scriptTags:p,styleTags:d,title:u,titleAttributes:h}=e;N(l.BODY,n),N(l.HTML,s),((e,t)=>{void 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t{shouldComponentUpdate(e){return!n(this.props,e)}mapNestedChildrenToProps(e,t){if(!t)return null;switch(e.type){case l.SCRIPT:case l.NOSCRIPT:return{innerHTML:t};case l.STYLE:return{cssText:t};default:throw new Error(`<${e.type} /> elements are self-closing and can not contain children. 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| //# sourceMappingURL=index.modern.js.map |
@@ -1,2 +0,2 @@ | ||
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Refer to our API for more information.")}},r.flattenArrayTypeChildren=function(e){var t,r=e.child,n=e.arrayTypeChildren;return p({},n,((t={})[r.type]=[].concat(n[r.type]||[],[p({},e.newChildProps,this.mapNestedChildrenToProps(r,e.nestedChildren))]),t))},r.mapObjectTypeChildren=function(e){var t,r,n=e.child,i=e.newProps,o=e.newChildProps,a=e.nestedChildren;switch(n.type){case O.TITLE:return p({},i,((t={})[n.type]=a,t.titleAttributes=p({},o),t));case O.BODY:return p({},i,{bodyAttributes:p({},o)});case O.HTML:return p({},i,{htmlAttributes:p({},o)});default:return p({},i,((r={})[n.type]=p({},o),r))}},r.mapArrayTypeChildrenToProps=function(e,t){var r=p({},t);return Object.keys(e).forEach(function(t){var n;r=p({},r,((n={})[t]=e[t],n))}),r},r.warnOnInvalidChildren=function(e,t){return l.default(P.some(function(t){return e.type===t}),"function"==typeof e.type?"You may be attempting to nest <Helmet> components within each other, which is not allowed. Refer to our API for more information.":"Only elements types "+P.join(", ")+" are allowed. Helmet does not support rendering <"+e.type+"> elements. Refer to our API for more information."),l.default(!t||"string"==typeof t||Array.isArray(t)&&!t.some(function(e){return"string"!=typeof e}),"Helmet expects a string as a child of <"+e.type+">. Did you forget to wrap your children in braces? ( <"+e.type+">{``}</"+e.type+"> ) Refer to our API for more information."),!0},r.mapChildrenToProps=function(e,t){var r=this,n={};return u.default.Children.forEach(e,function(e){if(e&&e.props){var i=e.props,o=i.children,a=y(i,re),u=Object.keys(a).reduce(function(e,t){return e[j[t]||t]=a[t],e},{}),s=e.type;switch("symbol"==typeof s?s=s.toString():r.warnOnInvalidChildren(e,o),s){case O.FRAGMENT:t=r.mapChildrenToProps(o,t);break;case O.LINK:case O.META:case O.NOSCRIPT:case O.SCRIPT:case O.STYLE:n=r.flattenArrayTypeChildren({child:e,arrayTypeChildren:n,newChildProps:u,nestedChildren:o});break;default:t=r.mapObjectTypeChildren({child:e,newProps:t,newChildProps:u,nestedChildren:o})}}}),this.mapArrayTypeChildrenToProps(n,t)},r.render=function(){var e=this.props,t=e.children,r=p({},y(e,ne));return t&&(r=this.mapChildrenToProps(t,r)),u.default.createElement(W.Consumer,null,function(e){return u.default.createElement(te,p({},r,{context:e}))})},t}(t.Component);ie.propTypes={base:s.default.object,bodyAttributes:s.default.object,children:s.default.oneOfType([s.default.arrayOf(s.default.node),s.default.node]),defaultTitle:s.default.string,defer:s.default.bool,encodeSpecialCharacters:s.default.bool,htmlAttributes:s.default.object,link:s.default.arrayOf(s.default.object),meta:s.default.arrayOf(s.default.object),noscript:s.default.arrayOf(s.default.object),onChangeClientState:s.default.func,script:s.default.arrayOf(s.default.object),style:s.default.arrayOf(s.default.object),title:s.default.string,titleAttributes:s.default.object,titleTemplate:s.default.string,prioritizeSeoTags:s.default.bool},ie.defaultProps={defer:!0,encodeSpecialCharacters:!0,prioritizeSeoTags:!1},ie.displayName="Helmet",e.Helmet=ie,e.HelmetProvider=V}); | ||
| //# sourceMappingURL=index.umd.js.map |
| { | ||
| "name": "react-helmet-async", | ||
| "version": "1.0.9", | ||
| "version": "1.1.0", | ||
| "description": "Thread-safe Helmet for React 16+ and friends", | ||
@@ -26,30 +26,29 @@ "main": "lib/index.js", | ||
| "devDependencies": { | ||
| "@babel/cli": "7.12.1", | ||
| "@babel/core": "7.12.3", | ||
| "@babel/eslint-parser": "7.12.1", | ||
| "@babel/eslint-plugin": "7.12.1", | ||
| "@commitlint/cli": "11.0.0", | ||
| "@commitlint/config-conventional": "11.0.0", | ||
| "babel-eslint": "10.1.0", | ||
| "babel-preset-kyt-react": "1.1.3", | ||
| "@babel/cli": "7.14.8", | ||
| "@babel/core": "7.15.0", | ||
| "@babel/eslint-parser": "7.15.0", | ||
| "@babel/eslint-plugin": "7.14.5", | ||
| "@commitlint/cli": "13.1.0", | ||
| "@commitlint/config-conventional": "13.1.0", | ||
| "babel-preset-kyt-react": "1.3.16", | ||
| "enzyme": "3.11.0", | ||
| "enzyme-adapter-react-16": "1.15.5", | ||
| "enzyme-to-json": "3.6.1", | ||
| "eslint": "7.13.0", | ||
| "enzyme-adapter-react-16": "1.15.6", | ||
| "enzyme-to-json": "3.6.2", | ||
| "eslint": "7.32.0", | ||
| "eslint-config-airbnb": "18.2.1", | ||
| "eslint-config-kyt": "1.3.5", | ||
| "eslint-config-prettier": "6.15.0", | ||
| "eslint-plugin-import": "2.22.1", | ||
| "eslint-plugin-jest": "24.1.3", | ||
| "eslint-plugin-jest-formatting": "2.0.0", | ||
| "eslint-plugin-json": "2.1.2", | ||
| "eslint-config-kyt": "1.6.2", | ||
| "eslint-config-prettier": "8.3.0", | ||
| "eslint-plugin-import": "2.24.1", | ||
| "eslint-plugin-jest": "24.4.0", | ||
| "eslint-plugin-jest-formatting": "3.0.0", | ||
| "eslint-plugin-json": "3.1.0", | ||
| "eslint-plugin-jsx-a11y": "6.4.1", | ||
| "eslint-plugin-prettier": "3.1.4", | ||
| "eslint-plugin-react": "7.21.5", | ||
| "eslint-plugin-prettier": "3.4.1", | ||
| "eslint-plugin-react": "7.24.0", | ||
| "eslint-plugin-react-hooks": "4.2.0", | ||
| "husky": "4.3.0", | ||
| "jest": "26.6.3", | ||
| "husky": "7.0.1", | ||
| "jest": "27.0.6", | ||
| "jsdom": "16.4.0", | ||
| "microbundle": "0.12.4", | ||
| "prettier": "2.1.2", | ||
| "microbundle": "0.13.3", | ||
| "prettier": "2.3.2", | ||
| "raf": "3.4.1", | ||
@@ -72,9 +71,4 @@ "react": "16.14.0", | ||
| "compile": "yarn run clean && KYT_ENV_TYPE=client NODE_ENV=production microbundle --jsx React.createElement", | ||
| "prepare": "yarn compile" | ||
| }, | ||
| "husky": { | ||
| "hooks": { | ||
| "commit-msg": "commitlint -E HUSKY_GIT_PARAMS" | ||
| } | ||
| "prepare": "yarn compile && husky install" | ||
| } | ||
| } |
@@ -129,4 +129,52 @@ # react-helmet-async | ||
| ## Prioritizing tags for SEO | ||
| It is understood that in some cases for SEO, certain tags should appear earlier in the HEAD. Using the `prioritizeSeoTags` flag on any `<Helmet>` component allows the server render of react-helmet-async to expose a method for prioritizing relevant SEO tags. | ||
| In the component: | ||
| ``` | ||
| <Helmet prioritizeSeoTags> | ||
| <title>A fancy webpage</title> | ||
| <link rel="notImportant" href="https://www.chipotle.com" /> | ||
| <meta name="whatever" value="notImportant" /> | ||
| <link rel="canonical" href="https://www.tacobell.com" /> | ||
| <meta property="og:title" content="A very important title"/> | ||
| </Helmet> | ||
| ``` | ||
| In your server template: | ||
| ``` | ||
| <html> | ||
| <head> | ||
| ${helmet.title.toString()} | ||
| ${helmet.priority.toString()} | ||
| ${helmet.meta.toString()} | ||
| ${helmet.link.toString()} | ||
| ${helmet.script.toString()} | ||
| </head> | ||
| ... | ||
| </html> | ||
| ``` | ||
| Will result in: | ||
| ``` | ||
| <html> | ||
| <head> | ||
| <title>A fancy webpage</title> | ||
| <meta property="og:title" content="A very important title"/> | ||
| <link rel="canonical" href="https://www.tacobell.com" /> | ||
| <meta name="whatever" value="notImportant" /> | ||
| <link rel="notImportant" href="https://www.chipotle.com" /> | ||
| </head> | ||
| ... | ||
| </html> | ||
| ``` | ||
| A list of prioritized tags and attributes can be found in [constants.js](./blob/master/src/constants.js). | ||
| ## License | ||
| Licensed under the Apache 2.0 License, Copyright © 2018 Scott Taylor |
@@ -34,2 +34,26 @@ export const TAG_PROPERTIES = { | ||
| export const SEO_PRIORITY_TAGS = { | ||
| link: { rel: ['amphtml', 'canonical', 'alternate'] }, | ||
| script: { type: ['application/ld+json'] }, | ||
| meta: { | ||
| charset: '', | ||
| name: ['robots', 'description'], | ||
| property: [ | ||
| 'og:type', | ||
| 'og:title', | ||
| 'og:url', | ||
| 'og:image', | ||
| 'og:image:alt', | ||
| 'og:description', | ||
| 'twitter:url', | ||
| 'twitter:title', | ||
| 'twitter:description', | ||
| 'twitter:image', | ||
| 'twitter:image:alt', | ||
| 'twitter:card', | ||
| 'twitter:site', | ||
| ], | ||
| }, | ||
| }; | ||
| export const VALID_TAG_NAMES = Object.keys(TAG_NAMES).map(name => TAG_NAMES[name]); | ||
@@ -36,0 +60,0 @@ |
@@ -30,2 +30,3 @@ import React, { Component } from 'react'; | ||
| * @param {String} titleTemplate: "MySite.com - %s" | ||
| * @param {Boolean} prioritizeSeoTags: false | ||
| */ | ||
@@ -50,2 +51,3 @@ /* eslint-disable react/forbid-prop-types, react/require-default-props */ | ||
| titleTemplate: PropTypes.string, | ||
| prioritizeSeoTags: PropTypes.bool, | ||
| }; | ||
@@ -57,2 +59,3 @@ /* eslint-enable react/prop-types, react/forbid-prop-types, react/require-default-props */ | ||
| encodeSpecialCharacters: true, | ||
| prioritizeSeoTags: false, | ||
| }; | ||
@@ -59,0 +62,0 @@ |
@@ -8,4 +8,5 @@ import React from 'react'; | ||
| ATTRIBUTE_NAMES, | ||
| SEO_PRIORITY_TAGS, | ||
| } from './constants'; | ||
| import { flattenArray } from './utils'; | ||
| import { flattenArray, prioritizer } from './utils'; | ||
@@ -134,26 +135,65 @@ const SELF_CLOSING_TAGS = [TAG_NAMES.NOSCRIPT, TAG_NAMES.SCRIPT, TAG_NAMES.STYLE]; | ||
| const mapStateOnServer = ({ | ||
| baseTag, | ||
| bodyAttributes, | ||
| encode, | ||
| htmlAttributes, | ||
| linkTags, | ||
| metaTags, | ||
| noscriptTags, | ||
| scriptTags, | ||
| styleTags, | ||
| title = '', | ||
| titleAttributes, | ||
| }) => ({ | ||
| base: getMethodsForTag(TAG_NAMES.BASE, baseTag, encode), | ||
| bodyAttributes: getMethodsForTag(ATTRIBUTE_NAMES.BODY, bodyAttributes, encode), | ||
| htmlAttributes: getMethodsForTag(ATTRIBUTE_NAMES.HTML, htmlAttributes, encode), | ||
| link: getMethodsForTag(TAG_NAMES.LINK, linkTags, encode), | ||
| meta: getMethodsForTag(TAG_NAMES.META, metaTags, encode), | ||
| noscript: getMethodsForTag(TAG_NAMES.NOSCRIPT, noscriptTags, encode), | ||
| script: getMethodsForTag(TAG_NAMES.SCRIPT, scriptTags, encode), | ||
| style: getMethodsForTag(TAG_NAMES.STYLE, styleTags, encode), | ||
| title: getMethodsForTag(TAG_NAMES.TITLE, { title, titleAttributes }, encode), | ||
| }); | ||
| const getPriorityMethods = ({ metaTags, linkTags, scriptTags, encode }) => { | ||
| const meta = prioritizer(metaTags, SEO_PRIORITY_TAGS.meta); | ||
| const link = prioritizer(linkTags, SEO_PRIORITY_TAGS.link); | ||
| const script = prioritizer(scriptTags, SEO_PRIORITY_TAGS.script); | ||
| // need to have toComponent() and toString() | ||
| const priorityMethods = { | ||
| toComponent: () => [ | ||
| ...generateTagsAsReactComponent(TAG_NAMES.META, meta.priority), | ||
| ...generateTagsAsReactComponent(TAG_NAMES.LINK, link.priority), | ||
| ...generateTagsAsReactComponent(TAG_NAMES.SCRIPT, script.priority), | ||
| ], | ||
| toString: () => | ||
| // generate all the tags as strings and concatenate them | ||
| `${getMethodsForTag(TAG_NAMES.META, meta.priority, encode)} ${getMethodsForTag( | ||
| TAG_NAMES.LINK, | ||
| link.priority, | ||
| encode | ||
| )} ${getMethodsForTag(TAG_NAMES.SCRIPT, script.priority, encode)}`, | ||
| }; | ||
| return { | ||
| priorityMethods, | ||
| metaTags: meta.default, | ||
| linkTags: link.default, | ||
| scriptTags: script.default, | ||
| }; | ||
| }; | ||
| const mapStateOnServer = props => { | ||
| const { | ||
| baseTag, | ||
| bodyAttributes, | ||
| encode, | ||
| htmlAttributes, | ||
| noscriptTags, | ||
| styleTags, | ||
| title = '', | ||
| titleAttributes, | ||
| prioritizeSeoTags, | ||
| } = props; | ||
| let { linkTags, metaTags, scriptTags } = props; | ||
| let priorityMethods = { | ||
| toComponent: () => {}, | ||
| toString: () => '', | ||
| }; | ||
| if (prioritizeSeoTags) { | ||
| ({ priorityMethods, linkTags, metaTags, scriptTags } = getPriorityMethods(props)); | ||
| } | ||
| return { | ||
| priority: priorityMethods, | ||
| base: getMethodsForTag(TAG_NAMES.BASE, baseTag, encode), | ||
| bodyAttributes: getMethodsForTag(ATTRIBUTE_NAMES.BODY, bodyAttributes, encode), | ||
| htmlAttributes: getMethodsForTag(ATTRIBUTE_NAMES.HTML, htmlAttributes, encode), | ||
| link: getMethodsForTag(TAG_NAMES.LINK, linkTags, encode), | ||
| meta: getMethodsForTag(TAG_NAMES.META, metaTags, encode), | ||
| noscript: getMethodsForTag(TAG_NAMES.NOSCRIPT, noscriptTags, encode), | ||
| script: getMethodsForTag(TAG_NAMES.SCRIPT, scriptTags, encode), | ||
| style: getMethodsForTag(TAG_NAMES.STYLE, styleTags, encode), | ||
| title: getMethodsForTag(TAG_NAMES.TITLE, { title, titleAttributes }, encode), | ||
| }; | ||
| }; | ||
| export default mapStateOnServer; |
@@ -9,2 +9,3 @@ import { TAG_NAMES, TAG_PROPERTIES, ATTRIBUTE_NAMES } from './constants'; | ||
| TITLE_TEMPLATE: 'titleTemplate', | ||
| PRIORITIZE_SEO_TAGS: 'prioritizeSeoTags', | ||
| }; | ||
@@ -174,2 +175,14 @@ | ||
| const getAnyTrueFromPropsList = (propsList, checkedTag) => { | ||
| if (Array.isArray(propsList) && propsList.length) { | ||
| for (let index = 0; index < propsList.length; index += 1) { | ||
| const prop = propsList[index]; | ||
| if (prop[checkedTag]) { | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| return false; | ||
| }; | ||
| const reducePropsToState = propsList => ({ | ||
@@ -207,2 +220,3 @@ baseTag: getBaseTagFromPropsList([TAG_PROPERTIES.HREF], propsList), | ||
| titleAttributes: getAttributesFromPropsList(ATTRIBUTE_NAMES.TITLE, propsList), | ||
| prioritizeSeoTags: getAnyTrueFromPropsList(propsList, HELMET_PROPS.PRIORITIZE_SEO_TAGS), | ||
| }); | ||
@@ -214,1 +228,29 @@ | ||
| export { reducePropsToState }; | ||
| const checkIfPropsMatch = (props, toMatch) => { | ||
| const keys = Object.keys(props); | ||
| for (let i = 0; i < keys.length; i += 1) { | ||
| // e.g. if rel exists in the list of allowed props [amphtml, alternate, etc] | ||
| if (toMatch[keys[i]] && toMatch[keys[i]].includes(props[keys[i]])) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| }; | ||
| export const prioritizer = (elementsList, propsToMatch) => { | ||
| if (Array.isArray(elementsList)) { | ||
| return elementsList.reduce( | ||
| (acc, elementAttrs) => { | ||
| if (checkIfPropsMatch(elementAttrs, propsToMatch)) { | ||
| acc.priority.push(elementAttrs); | ||
| } else { | ||
| acc.default.push(elementAttrs); | ||
| } | ||
| return acc; | ||
| }, | ||
| { priority: [], default: [] } | ||
| ); | ||
| } | ||
| return { default: elementsList }; | ||
| }; |
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