Merge branch 'master' of https://git.xpub.nl/XPUB/gradshow24
commit
45cf2bc0fe
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let classNotes = "margin-note"; // ← Change the CLASS of the notes here
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let notesFloat = "outside"; // ← Change the POSITION of the notes here
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class marginNotes extends Paged.Handler {
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constructor(chunker, polisher, caller) {
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super(chunker, polisher, caller);
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}
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beforeParsed(content) {
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let notes = content.querySelectorAll("." + classNotes);
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for (let i = 0; i < notes.length; ++i) {
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// Add call notes
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var spanCall = document.createElement("span");
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spanCall.classList.add("note-call");
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spanCall.classList.add("note-call_" + classNotes);
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spanCall.dataset.noteCall = classNotes + '-' + i + 1;
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notes[i].parentNode.insertBefore(spanCall, notes[i]);
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// Add marker notes
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var spanMarker = document.createElement("span");
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spanMarker.classList.add("note-marker");
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spanMarker.classList.add("note-marker_" + classNotes);
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spanMarker.dataset.noteMarker = classNotes + '-' + i + 1;
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notes[i].prepend(spanMarker);
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// Hide notes to avoid rendering problems
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notes[i].style.display = "none";
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}
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/* NOTE FLOAT ---------------------------------------------------------------------------------- */
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let positionRight = 'left: calc(var(--pagedjs-pagebox-width) - var(--pagedjs-margin-left) - var(--pagedjs-margin-right) - 1px); width: var(--pagedjs-margin-right);';
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let positionLeft = 'left: calc(var(--pagedjs-margin-left)*-1 - 1px); width: var(--pagedjs-margin-left);'
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let notePosition;
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switch (notesFloat) {
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case 'inside':
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notePosition = '.pagedjs_left_page .' + classNotes + '{' + positionRight + '} \
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.pagedjs_right_page .' + classNotes + '{' + positionLeft + '}';
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break;
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case 'left':
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notePosition = '.pagedjs_left_page .' + classNotes + '{' + positionLeft + '} \
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.pagedjs_right_page .' + classNotes + '{' + positionLeft + '}';
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break;
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case 'right':
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notePosition = '.pagedjs_left_page .' + classNotes + '{' + positionRight + '} \
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.pagedjs_right_page .' + classNotes + '{' + positionRight + '}';
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break;
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default:
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notePosition = '.pagedjs_left_page .' + classNotes + '{' + positionLeft + '} \
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.pagedjs_right_page .' + classNotes + '{' + positionRight + '}';
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}
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/* SPECIFIC CSS ---------------------------------------------------------------------------------- */
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addcss('\
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body {\
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counter-reset: callNote_' + toCamelClassNote(classNotes) + ' markerNote_' + toCamelClassNote(classNotes) + ';\
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}\
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\
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.' + classNotes + '{\
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position: absolute;\
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text-align-last: initial;\
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box-sizing: border-box;\
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}\
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\
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.note-call_' + classNotes + ' {\
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counter-increment: callNote_' + toCamelClassNote(classNotes) + ';\
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}\
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\
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.note-call_' + classNotes + '::after {\
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content: counter(callNote_' + toCamelClassNote(classNotes) + ');\
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}\
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\
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.note-marker_' + classNotes + ' {\
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counter-increment: markerNote_' + toCamelClassNote(classNotes) + ';\
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}\
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.note-marker_' + classNotes + '::before {\
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content: counter(markerNote_' + toCamelClassNote(classNotes) + ') ". ";\
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}\
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' + notePosition);
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} /* end beforeParsed*/
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afterPageLayout(pageElement, page, breakToken) {
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let notes = pageElement.querySelectorAll("." + classNotes);
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let noteOverflow = false;
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let notesHeightAll = [];
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if (typeof (notes) != 'undefined' && notes != null && notes.length != 0) {
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for (let n = 0; n < notes.length; ++n) {
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// Display notes of the page
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notes[n].style.display = "inline-block";
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// Add height of the notes to array notesHeightAll
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let noteHeight = notes[n].offsetHeight;
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notesHeightAll.push(noteHeight);
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// Add margins of the notes to array notesHeightAll
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if (n >= 1) {
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let margins = biggestMargin(notes[n - 1], notes[n]);
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notesHeightAll.push(margins);
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}
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}
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/* FIT PAGE ------------------------------------------------------------------------------------- */
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// Calculate if all notes fit on the page;
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let reducer = (accumulator, currentValue) => accumulator + currentValue;
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let allHeight = notesHeightAll.reduce(reducer);
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let maxHeight = pageElement.querySelectorAll(".pagedjs_page_content")[0].offsetHeight;
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if (allHeight > maxHeight) {
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/* IF DOESN'T FIT ----------------------------------------------------------------------------- */
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// positions all the notes one after the other starting from the top
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notes[0].style.top = parseInt(window.getComputedStyle(notes[0]).marginBottom, 10) * -1 + "px";
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for (let a = 1; a < notes.length; ++a) {
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let notePrev = notes[a - 1];
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let newMargin = biggestMargin(notePrev, notes[a]);
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let newTop = notePrev.offsetTop + notePrev.offsetHeight - marginNoteTop(notes[a]) + newMargin;
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notes[a].style.top = newTop + "px";
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}
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// alert
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let pageNumber = pageElement.dataset.pageNumber;
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alert("Rendering issue \n ☞ A marginal note overflow on page " + pageNumber + " (this is because there is too many on this page and paged.js can't breaks notes between pages for now.)");
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noteOverflow = true;
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} else {
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/* PUSH DOWN ---------------------------------------------------- */
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for (let i = 0; i < notes.length; ++i) {
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if (i >= 1) {
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let noteTop = notes[i].offsetTop;
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let notePrev = notes[i - 1];
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let newMargin = biggestMargin(notes[i], notePrev);
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let notePrevBottom = notePrev.offsetTop - marginNoteTop(notePrev) + notePrev.offsetHeight + newMargin;
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// Push down the note to bottom if it's over the previous one
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if (notePrevBottom > noteTop) {
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notes[i].style.top = notePrevBottom + "px";
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}
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}
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}
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/* PUSH UP ---------------------------------------------- */
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// Height of the page content
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let contentHeight = pageElement.querySelectorAll(".pagedjs_page_content")[0].querySelectorAll("div")[0].offsetHeight;
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// Check if last note overflow
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let nbrLength = notes.length - 1;
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let lastNote = notes[nbrLength];
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let lastNoteHeight = lastNote.offsetHeight + marginNoteTop(lastNote);
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let noteBottom = lastNote.offsetTop + lastNoteHeight;
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if (noteBottom > contentHeight) {
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// Push up the last note
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lastNote.style.top = contentHeight - lastNoteHeight + "px";
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// Push up previous note(s) if if it's over the note
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for (let i = nbrLength; i >= 1; --i) {
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let noteLastTop = notes[i].offsetTop;
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let notePrev = notes[i - 1];
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let notePrevHeight = notePrev.offsetHeight;
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let newMargin = biggestMargin(notePrev, notes[i]);
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let notePrevBottom = notePrev.offsetTop + notePrev.offsetHeight + newMargin;
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if (notePrevBottom > noteLastTop) {
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notePrev.style.top = notes[i].offsetTop - marginNoteTop(notePrev) - notePrevHeight - newMargin + "px";
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}
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}
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} /* end push up */
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}
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}
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}/* end afterPageLayout*/
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}
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Paged.registerHandlers(marginNotes);
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/* FUNCTIONS --------------------------------------------------------------------------------------
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--------------------------------------------------------------------------------------------------- */
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// MARGINS
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function marginNoteTop(elem) {
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let marginTop = parseInt(window.getComputedStyle(elem).marginTop, 10)
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return marginTop;
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}
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function marginNoteBottom(elem) {
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let marginBottom = parseInt(window.getComputedStyle(elem).marginBottom, 10)
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return marginBottom;
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}
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function biggestMargin(a, b) {
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let margin;
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let marginBottom = marginNoteBottom(a);
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let marginTop = marginNoteTop(b);
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if (marginBottom > marginTop) {
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margin = marginBottom;
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} else {
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margin = marginTop;
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}
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return margin;
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}
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// ADD CSS
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function addcss(css) {
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var head = document.getElementsByTagName('head')[0];
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var s = document.createElement('style');
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s.setAttribute('type', 'text/css');
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if (s.styleSheet) { // IE
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s.styleSheet.cssText = css;
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} else {// the world
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s.appendChild(document.createTextNode(css));
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}
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head.appendChild(s);
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}
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// CAMEL CLASS NOTE
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function toCamelClassNote(elem) {
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let splitClass = elem.split("-");
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if (splitClass.length > 1) {
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for (let s = 1; s < splitClass.length; ++s) {
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let strCapilize = splitClass[s].charAt(0).toUpperCase() + splitClass[s].slice(1)
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splitClass[s] = strCapilize;
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}
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}
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let reducer = (accumulator, currentValue) => accumulator + currentValue;
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let classCamel = splitClass.reduce(reducer);
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return classCamel;
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}
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