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Implement fuzzy search

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Updated the search method from a simple partially-equals method to a
fuzzy search (also Approximate string matching) implementation.

My implementation is based on an implementation by @ wouter2203:
https://github.com/wouter2203/fuzzy-search
This commit is contained in:
Eric Cornelissen 2017-11-01 22:05:24 +01:00
parent 462d15f6f9
commit 077b8bb794
1 changed files with 43 additions and 8 deletions
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51
index.html
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@ -585,16 +585,51 @@
function search(value) {
var hiddenCounter = 0,
value = normalizeSearchTerm(value);
query = normalizeSearchTerm(value);
icons.forEach(function(e, i) {
if (e.indexOf(value) > -1) {
$icons[i].classList.remove('hidden');
} else {
hiddenCounter++;
$icons[i].classList.add('hidden');
icons.map(function(icon, iconIndex) {
var letters = query.split(''),
indexes = [],
index = 0;
if (icon === query) {
return {element: $icons[iconIndex], score: 1};
}
})
for (var i = 0; i < letters.length; i++) {
var letter = letters[i];
index = icon.indexOf(letter, index);
if (index === -1) {
$icons[iconIndex].classList.add('hidden');
return null;
}
indexes.push(index);
index++;
}
return {
element: $icons[iconIndex],
score: indexes.reduce(function(a, b) {
return a + b;
}, 2)
};
}).filter(function(item) {
return item !== null;
}).sort(function(a, b) {
return a.score - b.score;
}).forEach(function(item, index) {
item.element.classList.remove('hidden');
if (query !== '') {
// Order according to relevance (i.e. score) if there is a query
item.element.style.order = index;
} else {
// Use color-based order if there is no query
item.element.style.removeProperty('order');
}
});
$grid.classList.toggle('search__empty', hiddenCounter == icons.length);
}