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const constants = {
noResult: {
l: "No results found",
renderable: "No results found"
},
labels: {
modules: 'Modules',
packages: 'Packages',
types: 'Types',
members: 'Members',
tags: 'SearchTags'
}
}
//It is super important to have vars here since they are lifter outside the block
//ES6 syntax doesn't provide those feature and therefore will fail when one of those values wouldn't be initialized
//eg. when a request for a given package fails
if(typeof moduleSearchIndex === 'undefined'){
var moduleSearchIndex;
}
if(typeof packageSearchIndex === 'undefined'){
var packageSearchIndex;
}
if(typeof typeSearchIndex === 'undefined'){
var typeSearchIndex;
}
if(typeof memberSearchIndex === 'undefined'){
var memberSearchIndex;
}
if(typeof tagSearchIndex === 'undefined'){
var tagSearchIndex;
}
const clearElementValue = (element) => {
element.val('')
}
$(function init() {
const search = $("#search")
const reset = $("#reset")
clearElementValue(search)
reset.on('click', () => {
clearElementValue(search)
search.focus()
})
})
const itemHasResults = (item) => {
return item.l !== constants.noResult
}
$.widget("custom.catcomplete", $.ui.autocomplete, {
_create: function() {
this._super();
},
_renderMenu: function(ul, items) {
const menu = this;
let category
$.each(items, (index, item) => {
const shouldCategoryLabelBeRendered = itemHasResults(item) && item.category !== category
if (shouldCategoryLabelBeRendered) {
ul.append(`<li class="ui-autocomplete-category">${item.category}</li>`);
category = item.category;
}
const li = menu._renderItemData(ul, item);
if (item.category) {
li.attr("aria-label", `${item.category} : ${item.l}`);
} else {
li.attr("aria-label", item.l);
}
li.attr("class", "resultItem");
});
},
_renderItem: (ul, item) => {
const li = $("<li/>").appendTo(ul);
const div = $("<div/>").appendTo(li);
div.html(item.renderable);
return li;
}
});
const highlight = (match) => `<span class="resultHighlight">` + match + `</span>`
const escapeHtml = (str) => str.replace("&", "&").replace("<", "<").replace(">", ">")
const labelForPackage = (element) => (element.m) ? (element.m + "/" + element.l) : element.l
const labelForNested = (element) => {
var label = ""
if(element.p) label += `${element.p}.`
if(element.l !== element.c && element.c) label += `${element.c}.`
return label + element.l
}
const nestedName = (e) => e.l.substring(e.l.lastIndexOf(".") + 1)
const renderableFromLabel = (label, regex) => escapeHtml(label).replace(regex, highlight)
$(() => {
$("#search").catcomplete({
minLength: 1,
delay: 100,
source: function(request, response) {
const exactRegexp = $.ui.autocomplete.escapeRegex(request.term) + "$"
const exactMatcher = new RegExp("^" + exactRegexp, "i");
const camelCaseRegexp = ($.ui.autocomplete.escapeRegex(request.term)).split(/(?=[A-Z])/).join("([a-z0-9_$]*?)");
const camelCaseMatcher = new RegExp("^" + camelCaseRegexp);
const secondaryMatcher = new RegExp($.ui.autocomplete.escapeRegex(request.term), "i");
const processWithExactLabel = (dataset, category) => {
const exactOrCamelMatches = []
const secondaryMatches = []
dataset.map(element => {
element.category = category
return element
}).forEach((element) => {
if(exactMatcher.test(element.l)){
element.renderable = renderableFromLabel(element.l, exactMatcher)
exactOrCamelMatches.push(element)
} else if(camelCaseMatcher.test(element.l)){
element.renderable = renderableFromLabel(element.l, camelCaseMatcher)
exactOrCamelMatches.push(element)
} else if(secondaryMatcher.test(element.l)){
element.renderable = renderableFromLabel(element.l, secondaryMatcher)
secondaryMatches.push(element)
}
})
return [...exactOrCamelMatches, ...secondaryMatches]
}
const processPackages = (dataset) => {
const exactOrCamelMatches = []
const secondaryMatches = []
dataset.map(element => {
element.category = constants.labels.packages
return element
}).forEach((element) => {
const label = labelForPackage(element);
if(exactMatcher.test(element.l)){
element.renderable = renderableFromLabel(element.l, exactMatcher)
exactOrCamelMatches.push(element)
} else if(camelCaseMatcher.test(label)){
element.renderable = renderableFromLabel(label, camelCaseMatcher)
exactOrCamelMatches.push(element)
} else if(secondaryMatcher.test(label)){
element.renderable = renderableFromLabel(label, secondaryMatcher)
secondaryMatches.push(element)
}
})
return [...exactOrCamelMatches, ...secondaryMatches]
}
const processNested = (dataset, label) => {
const exactOrCamelMatches = []
const secondaryMatches = []
dataset.map(element => {
element.category = label
return element
}).forEach((element) => {
const label = nestedName(element);
if(exactMatcher.test(label)) {
element.renderable = renderableFromLabel(labelForNested(element), new RegExp(exactRegexp, "i"))
exactOrCamelMatches.push(element)
} else if(camelCaseMatcher.test(label)){
element.renderable = renderableFromLabel(labelForNested(element), new RegExp(camelCaseRegexp))
exactOrCamelMatches.push(element)
} else if(secondaryMatcher.test(labelForNested(element))){
element.renderable = renderableFromLabel(labelForNested(element), secondaryMatcher)
secondaryMatches.push(element)
}
})
return [...exactOrCamelMatches, ...secondaryMatches]
}
const modules = moduleSearchIndex ? processWithExactLabel(moduleSearchIndex, constants.labels.modules) : []
const packages = packageSearchIndex ? processPackages(packageSearchIndex) : []
const types = typeSearchIndex ? processNested(typeSearchIndex, constants.labels.types) : []
const members = memberSearchIndex ? processNested(memberSearchIndex, constants.labels.members) : []
const tags = tagSearchIndex ? processWithExactLabel(tagSearchIndex, constants.labels.tags) : []
const result = [...modules, ...packages, ...types, ...members, ...tags]
return response(result);
},
response: function(event, ui) {
if (!ui.content.length) {
ui.content.push(constants.noResult);
} else {
$("#search").empty();
}
},
autoFocus: true,
position: {
collision: "flip"
},
select: function(event, ui) {
if (ui.item.l !== constants.noResult.l) {
window.location.href = pathtoroot + ui.item.url;
$("#search").focus();
}
}
});
});
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