diff --git a/js/components/header.js b/js/components/header.js index fa32440d..83cad670 100644 --- a/js/components/header.js +++ b/js/components/header.js @@ -31,7 +31,7 @@ import NavRoutesLinks from './nav_routes_links'; import { mergeOptions } from '../utils/general_utils'; import { getLangText } from '../utils/lang_utils'; -import {constructHead} from '../utils/head_setter'; +import {constructHead} from '../utils/dom_utils'; let Header = React.createClass({ diff --git a/js/utils/dom_utils.js b/js/utils/dom_utils.js index c20e1009..6346168b 100644 --- a/js/utils/dom_utils.js +++ b/js/utils/dom_utils.js @@ -1,9 +1,46 @@ 'use strict'; - /** * Set the title in the browser window. */ export function setDocumentTitle(title) { document.title = title; } + +/** + * @param {string} elementType: string, is the type of the element, such as link, meta, etc. + * @param {string} elementId id of the element + * @param {object} elementAttributes: hash table containing the attributes of the relevant element + */ +function constructHeadElement(elementType, elementId, elementAttributes) { + let head = (document.head || document.getElementsByTagName('head')[0]); + let element = document.createElement(elementType); + let oldElement = document.getElementById(elementId); + element.setAttribute('id', elementId); + for (let k in elementAttributes){ + try { + element.setAttribute(k, elementAttributes[k]); + } + catch(e){ + console.warn(e.message); + continue; + } + } + if (oldElement) { + head.removeChild(oldElement); + } + head.appendChild(element); +} + +/** + * Accepts a dictionary of dictionaries which comprises a part or all of html head part + * @param {object} headObject {link : {id1: {rel: ... }}} + */ +export function constructHead(headObject){ + for (let k in headObject){ + let favicons = headObject[k]; + for (let f in favicons){ + constructHeadElement(k, f, favicons[f]); + } + } +} \ No newline at end of file diff --git a/js/utils/head_setter.js b/js/utils/head_setter.js deleted file mode 100644 index 6ca2c9b0..00000000 --- a/js/utils/head_setter.js +++ /dev/null @@ -1,37 +0,0 @@ -'use strict'; - -// elementType: string, is the type of the element, such as link, meta, etc. -// elementId id of the element -// elementAttributes: hash table containing the attributes of the relevant element - -function constructHeadElement(elementType, elementId, elementAttributes) { - let head = (document.head || document.getElementsByTagName('head')[0]); - let element = document.createElement(elementType); - let oldElement = document.getElementById(elementId); - element.setAttribute('id', elementId); - for (let k in elementAttributes){ - try { - element.setAttribute(k, elementAttributes[k]); - } - catch(e){ - console.warn(e.message); - continue; - } - } - if (oldElement) { - head.removeChild(oldElement); - } - head.appendChild(element); -} - -// Accepts a dictionary of dictionaries which comprises a part or all of html head part -// {link : {id1: {rel: ... }}} -// traverses a tree of depth 3 (no backtracking) -export function constructHead(headObject){ - for (let k in headObject){ - let favicons = headObject[k]; - for (let f in favicons){ - constructHeadElement(k, f, favicons[f]); - } - } -}