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deletedKeywords=[],sortedKeywords=[],resumeWords;function removePunctuation(word){return word.replace(/[.,\/#!$%\^&\*;:{}=\-_`~()'"“”‘’]/g,"").replace(/"/g,"")}function updateMatchPercentage(){const jobListingWords=jobListingText.split(/\s+/).map(word=>removePunctuation(word));resumeWords=resumeText.split(/\s+/).map(word=>removePunctuation(word));const jobKeywords=jobListingWords.filter(word=>!commonWords.includes(word)),keywordFrequency={};jobKeywords.forEach(word=>{const frequency=resumeWords.filter(resumeWord=>resumeWord===word).length;keywordFrequency[word]=frequency});const totalKeywords=Object.keys(keywordFrequency).length,matchedKeywords=Object.values(keywordFrequency).filter(freq=>freq>0).length,matchPercentage=matchedKeywords/totalKeywords*100,matchMetric=document.getElementById("match-metric");matchMetric.textContent=`Total Match: ${matchPercentage.toFixed(2)}%`}function updateKeywords(){jobListingText=document.getElementById("job-listing-textbox").value.toLowerCase(),resumeText=document.getElementById("resume-textbox").value.toLowerCase();const jobListingWords=jobListingText.split(/\s+/).map(word=>removePunctuation(word)),resumeWords=resumeText.split(/\s+/).map(word=>removePunctuation(word)),jobKeywords=jobListingWords.filter(word=>!commonWords.includes(word)),keywordFrequency={};jobKeywords.forEach(word=>{const frequency=resumeWords.filter(resumeWord=>resumeWord===word).length;keywordFrequency[word]=frequency}),sortedKeywords=Object.keys(keywordFrequency).sort((a,b)=>keywordFrequency[b]-keywordFrequency[a]);const keywordList=document.getElementById("keyword-list");keywordList.innerHTML="",sortedKeywords.forEach((keyword,index)=>{const frequency=keywordFrequency[keyword],listItem=document.createElement("li"),deleteButton=document.createElement("button");deleteButton.textContent="x",deleteButton.classList.add("delete-button"),deleteButton.addEventListener("click",()=>{keywordList.removeChild(listItem),deletedKeywords.push({keyword:keyword,index:index}),updateMatchPercentage()}),listItem.textContent=`${index+1}. ${keyword} (${frequency}x)`,listItem.appendChild(deleteButton);const color=calculateColor(frequency);listItem.style.backgroundColor=color,keywordList.insertBefore(listItem,keywordList.firstChild)}),updateMatchPercentage()}function undoDeletion(sortedKeywords){if(deletedKeywords.length>0){const{keyword:keyword,index:index}=deletedKeywords.pop();sortedKeywords.splice(index,0,keyword);const keywordFrequency={};sortedKeywords.forEach(word=>{const frequency=resumeWords.filter(resumeWord=>resumeWord===word).length;keywordFrequency[word]=frequency});const keywordList=document.getElementById("keyword-list");keywordList.innerHTML="",sortedKeywords.forEach((sortedKeyword,newIndex)=>{const frequency=keywordFrequency[sortedKeyword];function createKeywordListItem(keyword,frequency,keywordList,sortedKeywords,newIndex){const listItem=document.createElement("li"),deleteButton=document.createElement("button");deleteButton.textContent="x",deleteButton.classList.add("delete-button"),deleteButton.addEventListener("click",()=>{keywordList.removeChild(listItem),deletedKeywords.push({keyword:keyword,index:index}),updateMatchPercentage()}),listItem.textContent=`${newIndex+1}. ${sortedKeyword} (${frequency}x)`,listItem.appendChild(deleteButton);const color=calculateColor(frequency);listItem.style.backgroundColor=color,keywordList.appendChild(listItem)}createKeywordListItem(sortedKeyword,frequency,keywordList,sortedKeywords,newIndex)}),updateMatchPercentage()}}function calculateColor(frequency){const maxFrequency=4,minRed=255,maxBlue=255,minBlue=0,clippedFrequency=Math.min(Math.max(frequency,0),4),redValue=255,blueValue=0+clippedFrequency/4*255;return`rgb(255, 0, ${blueValue})`}function saveSession(){localStorage.setItem("jobListingText",jobListingText),localStorage.setItem("resumeText",resumeText)}function restoreSession(){const savedJobListingText=localStorage.getItem("jobListingText"),savedResumeText=localStorage.getItem("resumeText");savedJobListingText&&savedResumeText&&(jobListingText=savedJobListingText,resumeText=savedResumeText,document.getElementById("job-listing-textbox").value=jobListingText,document.getElementById("resume-textbox").value=resumeText,updateKeywords(),updateMatchPercentage())}const jobListingTextbox=document.getElementById("job-listing-textbox");jobListingTextbox.addEventListener("input",()=>{updateKeywords(),updateMatchPercentage(),saveSession()});const resumeTextbox=document.getElementById("resume-textbox");resumeTextbox.addEventListener("input",()=>{updateKeywords(),updateMatchPercentage(),saveSession()});const restoreButton=document.getElementById("restore-button");restoreButton.addEventListener("click",()=>{restoreSession()});const undoButton=document.getElementById("undo-button");undoButton.addEventListener("click",()=>{undoDeletion(sortedKeywords)}),restoreSession();