/* wikiscript to mark readability */
let paragraphs = document.getElementsByTagName('p');
for(let paragraph of paragraphs){
let text = paragraph.textContent.split('\r').join('').split('\n').join('');
// exclude very short paragraphs
if(text.length > 20){
// exclude paragraph found in vector skin
if(!paragraph.parentElement.classList.contains('vector-limited-width-popup-body')){
divideIntoSentences(paragraph);
}
}
}
let sentenceElements = document.getElementsByClassName('sentence');
for(let sentenceElement of sentenceElements){
let sentenceText = getSentenceText(sentenceElement);
if(sentenceText.trim().length < 10){
sentenceElement.classList.remove('sentence');
}
}
rateSentences();
createOverview();
function divideIntoSentences(paragraph){
let periodPlaceholder = 'PERIOD_PLACEHOLDER';
// prepare text with placeholders
//let abbreviations = 'Mr.; Mrs.; Dr.; Jr.; Sr.; Prof.; St.; Ave.; Corp.; Inc.; Ltd.; Co.; Gov.; Capt.; Sgt.; i.e.; e.g.; etc.; a.m.; p.m.; i.a.; N.B.; et al.; vs.; e.t.a.; A.; B.; C.; D.; E.; F.; G.; H.; I.; J.; K.; L.; M.; N.; O.; P.; Q.; R.; S.; T.; U.; V.; W.; X.; Y.; Z; .a; .b; .c; .d; .e; .f; .g; .h; .i; .j; .k; .l; .m; .n; .o; .p; .q; .r; .s; .t; .u; .v; .w; .x; .y; .z; 0.; 1.; 2.; 3.; 4.; 5.; 6.; 7.; 8.; 9.; .0; .1; .2; .3; .4; .5; .6; .7; .8; .9'.split('; ');
//let abbreviations = 'Mr.; Mrs.; Dr.; Jr.; Sr.; Prof.; St.; Ave.; Corp.; Inc.; Ltd.; Co.; Gov.; Capt.; Sgt.; i.e.; e.g.; etc.; a.m.; p.m.; i.a.; N.B.; et al.; vs.; e.t.a.; A.; B.; C.; D.; E.; F.; G.; H.; I.; J.; K.; L.; M.; N.; O.; P.; Q.; R.; S.; T.; U.; V.; W.; X.; Y.; Z; .a; .b; .c; .d; .e; .f; .g; .h; .i; .j; .k; .l; .m; .n; .o; .p; .q; .r; .s; .t; .u; .v; .w; .x; .y; .z; 0.; 1.; 2.; 3.; 4.; 5.; 6.; 7.; 8.; 9.; .0; .1; .2; .3; .4; .5; .6; .7; .8; .9'.split('; ');
let abbreviations = 'Mr.; Mrs.; Dr.; Jr.; Sr.; Prof.; St.; Ave.; Corp.; Inc.; Ltd.; Co.; Gov.; Capt.; Sgt.; i.e.; e.g.; etc.; a.m.; p.m.; i.a.; N.B.; et al.; vs.; e.t.a.; A.; B.; C.; D.; E.; F.; G.; H.; I.; J.; K.; L.; M.; N.; O.; P.; Q.; R.; S.; T.; U.; V.; W.; X.; Y.; Z; .a; .b; .c; .d; .e; .f; .g; .h; .i; .j; .k; .l; .m; .n; .o; .p; .q; .r; .s; .t; .u; .v; .w; .x; .y; .z; .0; .1; .2; .3; .4; .5; .6; .7; .8; .9; 0.0; 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; 2.8; 2.9; 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; 3.8; 3.9; 4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7; 4.8; 4.9; 5.0; 5.1; 5.2; 5.3; 5.4; 5.5; 5.6; 5.7; 5.8; 5.9; 6.0; 6.1; 6.2; 6.3; 6.4; 6.5; 6.6; 6.7; 6.8; 6.9; 7.0; 7.1; 7.2; 7.3; 7.4; 7.5; 7.6; 7.7; 7.8; 7.9; 8.0; 8.1; 8.2; 8.3; 8.4; 8.5; 8.6; 8.7; 8.8; 8.9; 9.0; 9.1; 9.2; 9.3; 9.4; 9.5; 9.6; 9.7; 9.8; 9.9.'.split('; ');
paragraph.innerHTML = insertPlaceholders(paragraph.innerHTML, abbreviations);
let innerHTML = getSpanStartTag();
let currentChild = paragraph.firstChild;
while(currentChild){
// if it is a text node, modify it
if(currentChild.nodeType === Node.TEXT_NODE){
innerHTML += currentChild.nodeValue
.split('.').join(getSpanEndAndStart('.'))
.split('!').join(getSpanEndAndStart('!'))
.split('?').join(getSpanEndAndStart('?'));
}
// if its an element, add outerHTML
else if(currentChild.nodeType === Node.ELEMENT_NODE){
innerHTML += currentChild.outerHTML;
}
// otherwise add nodeValue
else{
innerHTML += currentChild.nodeValue;
}
currentChild = currentChild.nextSibling;
}
innerHTML += '</span>';
innerHTML = removePlaceholders(innerHTML, abbreviations);
paragraph.innerHTML = innerHTML;
var spans = paragraph.getElementsByTagName("span");
if (spans.length > 0) {
spans[spans.length - 1].classList.remove("sentence");
}
function getSpanStartTag(){
return `<span class="sentence">`;
}
function getSpanEndAndStart(punctuation){
return punctuation + '</span>' + getSpanStartTag();
}
function insertPlaceholders(text, abbreviations){
let modifiedText = text;
for(let abbreviation of abbreviations){
let placeholderExpression = abbreviation.split('.').join(periodPlaceholder);
modifiedText = modifiedText.split(abbreviation).join(placeholderExpression);
}
return modifiedText;
}
function removePlaceholders(text, abbreviations){
let modifiedText = text;
for(let abbreviation of abbreviations){
let placeholderExpression = abbreviation.split('.').join(periodPlaceholder);
modifiedText = modifiedText.split(placeholderExpression).join(abbreviation);
}
return modifiedText;
}
}
function rateSentences(){
const scoreClasses = ['score-10-0', 'score-20-10', 'score-30-20', 'score-40-30', 'score-50-40', 'score-60-50', 'score-70-60', 'score-80-70', 'score-90-80', 'score-100-90'];
//const scoreColors = ['rgb(255,0,0)', 'rgb(227,28,0)', 'rgb(198,57,0)', 'rgb(170,85,0)', 'rgb(142,113,0)', 'rgb(113,142,0)', 'rgb(85,170,0)', 'rgb(57,198,0)', 'rgb(28,227,0)', 'rgb(0,255,0)'];
//const scoreColors = ['rgb(255,128,128)', 'rgb(241,142,128)', 'rgb(227,156,128)', 'rgb(213,170,128)', 'rgb(199,184,128)', 'rgb(184,199,128)', 'rgb(170,213,128)', 'rgb(156,227,128)', 'rgb(142,241,128)', 'rgb(128,255,128)']
//const scoreColors = ['rgb(255,128,128)', 'rgb(223,160,128)', 'rgb(192,192,128)', 'rgb(160,223,128)', 'rgb(128,255,128)', 'rgb(128,255,128)', 'rgb(128,223,160)', 'rgb(128,192,192)', 'rgb(128,160,223)', 'rgb(128,128,255)'];
//const scoreColors = ['rgb(255,128,128)', 'rgb(234,149,128)', 'rgb(213,170,128)', 'rgb(192,192,128)', 'rgb(170,213,128)', 'rgb(149,234,128)', 'rgb(128,255,128)', 'rgb(128,255,128)', 'rgb(128,192,192)', 'rgb(128,128,255)'];
const scoreColors = ['rgb(255,128,128)', 'rgb(234,149,128)', 'rgb(213,170,128)', 'rgb(192,192,128)', 'rgb(170,213,128)', 'rgb(149,234,128)', 'rgb(128,255,128)', 'rgb(128,255,128)', 'rgb(128,255,192)', 'rgb(128,255,255)'];
let sentenceElements = document.body.getElementsByClassName('sentence');
for(let sentenceElement of sentenceElements){
let sentenceText = getSentenceText(sentenceElement);
let score = getSentenceScore(sentenceText);
sentenceElement.title = `Score: ${score.toFixed(2)}`;
sentenceElement.classList.add(getScoreClass(score, scoreClasses));
}
addStyle(scoreClasses, scoreColors);
function getScoreClass(score, scoreClasses){
let index = Math.floor(score / 10);
if(index < 0){
index = 0;
}
if(index > 9){
index = 9;
}
return scoreClasses[index];
}
function addStyle(scoreClasses, scoreColors){
const style = document.createElement('style');
for(let i = 0; i < scoreClasses.length; i++){
style.innerHTML += `.${scoreClasses[i]} {background-color: ${scoreColors[i]}; } `;
}
document.head.appendChild(style);
}
}
function getSentenceText(sentenceElement){
// hide references
//let refs = sentenceElement.getElementsByClassName('reference');
let refs = sentenceElement.querySelectorAll('.reference, .Inline-Template');
for(let ref of refs){
ref.style.display = 'none';
}
let sentenceText = sentenceElement.innerText;
// show references
for(let ref of refs){
ref.style.display = '';
}
return sentenceText;
}
function createOverview(){
let totalSyllableCount = 0;
let totalWordCount = 0;
const sentenceElements = document.getElementsByClassName('sentence');
let totalSentenceCount = sentenceElements.length;
for(let sentenceElement of sentenceElements){
let sentenceText = getSentenceText(sentenceElement);
let words = getWords(sentenceText);
totalWordCount += words.length;
for(let word of words){
totalSyllableCount += getSyllableCount(word);
}
}
let totalReadability = getFleschKincaidReadability(totalSyllableCount, totalWordCount, totalSentenceCount);
let totalGradeLevel = getFleschKincaidGradeLevel(totalSyllableCount, totalWordCount, totalSentenceCount);
const overviewDif = document.createElement('div');
const mainDif = document.getElementById('mw-content-text');
mainDif.insertBefore(overviewDif, mainDif.firstChild);
// overview table
const overviewTable = document.createElement('table');
overviewDif.appendChild(overviewTable);
overviewTable.classList.add('wikitable');
const overviewCaption = document.createElement('caption');
overviewTable.appendChild(overviewCaption);
overviewCaption.innerHTML = 'Readability overview';
const overviewTableBody = document.createElement('tbody');
overviewTable.appendChild(overviewTableBody);
addRow(overviewTableBody, 'Readability', totalReadability.toFixed(2));
addRow(overviewTableBody, 'Grade level', totalGradeLevel.toFixed(2));
addRow(overviewTableBody, 'Number of sentences', totalSentenceCount);
addRow(overviewTableBody, 'Number of words', totalWordCount);
addRow(overviewTableBody, 'Number of syllables', totalSyllableCount);
//sentences table
overviewDif.appendChild(document.createElement('br'));
const sentenceTableButton = document.createElement('button');
overviewDif.append(sentenceTableButton);
sentenceTableButton.innerHTML = 'Show sentences ordered by lowest score';
const sentenceTable = document.createElement('table');
overviewDif.appendChild(sentenceTable);
sentenceTable.classList.add('wikitable');
sentenceTable.style.display = 'none';
const sentenceCaption = document.createElement('caption');
sentenceTable.appendChild(sentenceCaption);
sentenceCaption.innerHTML = 'Sentences ordered by lowest score';
const sentenceTableBody = document.createElement('tbody');
sentenceTable.appendChild(sentenceTableBody);
const sentenceMatrix = [];
for(let sentenceElement of sentenceElements){
let sentenceText = getSentenceText(sentenceElement);
let score = getSentenceScore(sentenceText);
sentenceMatrix.push([sentenceText, score]);
}
sentenceMatrix.sort(function(a, b){
return a[1] - b[1];
});
for(let i = 0; i < sentenceMatrix.length; i++){
let sentenceText = sentenceMatrix[i][0];
let score = sentenceMatrix[i][1];
addRow(sentenceTableBody, sentenceText, score.toFixed(2));
}
sentenceTableButton.onclick = function(){
if(sentenceTableButton.innerHTML.includes('Show')){
sentenceTable.style.display = '';
sentenceTableButton.innerHTML = sentenceTableButton.innerHTML.split('Show').join('Hide');
}
else{
sentenceTable.style.display = 'none';
sentenceTableButton.innerHTML = sentenceTableButton.innerHTML.split('Hide').join('Show');
}
};
overviewDif.appendChild(document.createElement('br'));
function addRow(tableBody, name, value){
let row = document.createElement('tr');
let nameCell = document.createElement('td');
nameCell.innerHTML = name;
row.appendChild(nameCell);
let valueCell = document.createElement('td');
valueCell.innerHTML = value;
row.appendChild(valueCell);
tableBody.appendChild(row);
}
}
function getSentenceScore(sentenceText){
let syllableCount = 0;
let words = getWords(sentenceText);
for(let word of words){
syllableCount += getSyllableCount(word);
}
let wordCount = words.length;
let score = getFleschKincaidReadability(syllableCount, wordCount, 1);
/*console.log('sentenceText: ' + sentenceText);
console.log('wordCount: ' + wordCount);
console.log('syllableCount: ' + syllableCount);
console.log('score: ' + score);*/
return score;
}
function getFleschKincaidReadability(syllableCount, wordCount, sentenceCount){
let wordsPerSentence = wordCount / sentenceCount;
let syllablesPerWord = syllableCount / wordCount;
let score = 206.835 - (1.015 * wordsPerSentence) - (84.6 * syllablesPerWord);
return score;
}
function getFleschKincaidGradeLevel(syllableCount, wordCount, sentenceCount){
let wordsPerSentence = wordCount / sentenceCount;
let syllablesPerWord = syllableCount / wordCount;
let score = (0.39 * wordsPerSentence) + (11.8 * syllablesPerWord) - 15.59;
return score;
}
/*
function getAutomatedReadability(characterCount, wordCount, sentenceCount){
return 4.71 * characterCount/wordCount + 0.5 * wordCount/sentenceCount - 21.43;
}
*/
function getCharacterCount(string){
let characterCount = 0;
for(let character of string){
if(/^[a-zA-Z0-9\u00C0-\u1FFF\u2800-\uFFFD]$/.test(character)){
characterCount++;
}
}
return characterCount;
}
function getWords(sentenceText){
let punctuation = '.?!,;:"()[]{}--./&*#$%@+-=<>|~^\\' + "'";
for(let character of punctuation){
sentenceText = sentenceText.split(character).join('');
}
sentenceText = sentenceText.trim();
sentenceText = fullReplace(sentenceText, ' ', ' ');
let words = sentenceText.split(' ');
words = words.filter(function(word) {
return word.length > 0;
});
return words;
}
function getSyllableCount(word){
word = word.toLowerCase();
if (word.endsWith('e')) {
word = word.slice(0, -1);
}
word = word.split('e').join('a')
.split('i').join('a')
.split('o').join('a')
.split('u').join('a')
.split('y').join('a')
.split('e').join('a');
word = fullReplace(word, 'aa', 'a');
let syllableCount = word.split('a').length - 1;
if(syllableCount < 1){
syllableCount = 1;
}
return syllableCount;
}
function fullReplace(string, oldSubstring, newSubstring){
let newString = string;
while(newString.includes(oldSubstring)){
newString = newString.split(oldSubstring).join(newSubstring);
}
return newString;
}
