1124 lines
32 KiB
JavaScript
1124 lines
32 KiB
JavaScript
|
const kQueryArg = "q";
|
||
|
const kResultsArg = "show-results";
|
||
|
|
||
|
// If items don't provide a URL, then both the navigator and the onSelect
|
||
|
// function aren't called (and therefore, the default implementation is used)
|
||
|
//
|
||
|
// We're using this sentinel URL to signal to those handlers that this
|
||
|
// item is a more item (along with the type) and can be handled appropriately
|
||
|
const kItemTypeMoreHref = "0767FDFD-0422-4E5A-BC8A-3BE11E5BBA05";
|
||
|
|
||
|
window.document.addEventListener("DOMContentLoaded", function (_event) {
|
||
|
// Ensure that search is available on this page. If it isn't,
|
||
|
// should return early and not do anything
|
||
|
var searchEl = window.document.getElementById("quarto-search");
|
||
|
if (!searchEl) return;
|
||
|
|
||
|
const { autocomplete } = window["@algolia/autocomplete-js"];
|
||
|
|
||
|
let quartoSearchOptions = {};
|
||
|
let language = {};
|
||
|
const searchOptionEl = window.document.getElementById(
|
||
|
"quarto-search-options"
|
||
|
);
|
||
|
if (searchOptionEl) {
|
||
|
const jsonStr = searchOptionEl.textContent;
|
||
|
quartoSearchOptions = JSON.parse(jsonStr);
|
||
|
language = quartoSearchOptions.language;
|
||
|
}
|
||
|
|
||
|
// note the search mode
|
||
|
if (quartoSearchOptions.type === "overlay") {
|
||
|
searchEl.classList.add("type-overlay");
|
||
|
} else {
|
||
|
searchEl.classList.add("type-textbox");
|
||
|
}
|
||
|
|
||
|
// Used to determine highlighting behavior for this page
|
||
|
// A `q` query param is expected when the user follows a search
|
||
|
// to this page
|
||
|
const currentUrl = new URL(window.location);
|
||
|
const query = currentUrl.searchParams.get(kQueryArg);
|
||
|
const showSearchResults = currentUrl.searchParams.get(kResultsArg);
|
||
|
const mainEl = window.document.querySelector("main");
|
||
|
|
||
|
// highlight matches on the page
|
||
|
if (query !== null && mainEl) {
|
||
|
// perform any highlighting
|
||
|
highlight(query, mainEl);
|
||
|
|
||
|
// fix up the URL to remove the q query param
|
||
|
const replacementUrl = new URL(window.location);
|
||
|
replacementUrl.searchParams.delete(kQueryArg);
|
||
|
window.history.replaceState({}, "", replacementUrl);
|
||
|
}
|
||
|
|
||
|
// function to clear highlighting on the page when the search query changes
|
||
|
// (e.g. if the user edits the query or clears it)
|
||
|
let highlighting = true;
|
||
|
const resetHighlighting = (searchTerm) => {
|
||
|
if (mainEl && highlighting && query !== null && searchTerm !== query) {
|
||
|
clearHighlight(query, mainEl);
|
||
|
highlighting = false;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
// Clear search highlighting when the user scrolls sufficiently
|
||
|
const resetFn = () => {
|
||
|
resetHighlighting("");
|
||
|
window.removeEventListener("quarto-hrChanged", resetFn);
|
||
|
window.removeEventListener("quarto-sectionChanged", resetFn);
|
||
|
};
|
||
|
|
||
|
// Register this event after the initial scrolling and settling of events
|
||
|
// on the page
|
||
|
window.addEventListener("quarto-hrChanged", resetFn);
|
||
|
window.addEventListener("quarto-sectionChanged", resetFn);
|
||
|
|
||
|
// Responsively switch to overlay mode if the search is present on the navbar
|
||
|
// Note that switching the sidebar to overlay mode requires more coordinate (not just
|
||
|
// the media query since we generate different HTML for sidebar overlays than we do
|
||
|
// for sidebar input UI)
|
||
|
const detachedMediaQuery =
|
||
|
quartoSearchOptions.type === "overlay"
|
||
|
? "all"
|
||
|
: quartoSearchOptions.location === "navbar"
|
||
|
? "(max-width: 991px)"
|
||
|
: "none";
|
||
|
|
||
|
// If configured, include the analytics client to send insights
|
||
|
const plugins = configurePlugins(quartoSearchOptions);
|
||
|
|
||
|
let lastState = null;
|
||
|
const { setIsOpen } = autocomplete({
|
||
|
container: searchEl,
|
||
|
detachedMediaQuery: detachedMediaQuery,
|
||
|
defaultActiveItemId: 0,
|
||
|
panelContainer: "#quarto-search-results",
|
||
|
panelPlacement: quartoSearchOptions["panel-placement"],
|
||
|
debug: false,
|
||
|
plugins,
|
||
|
classNames: {
|
||
|
form: "d-flex",
|
||
|
},
|
||
|
translations: {
|
||
|
clearButtonTitle: language["search-clear-button-title"],
|
||
|
detachedCancelButtonText: language["search-detached-cancel-button-title"],
|
||
|
submitButtonTitle: language["search-submit-button-title"],
|
||
|
},
|
||
|
initialState: {
|
||
|
query,
|
||
|
},
|
||
|
getItemUrl({ item }) {
|
||
|
return item.href;
|
||
|
},
|
||
|
onStateChange({ state }) {
|
||
|
// Perhaps reset highlighting
|
||
|
resetHighlighting(state.query);
|
||
|
|
||
|
// If the panel just opened, ensure the panel is positioned properly
|
||
|
if (state.isOpen) {
|
||
|
if (lastState && !lastState.isOpen) {
|
||
|
setTimeout(() => {
|
||
|
positionPanel(quartoSearchOptions["panel-placement"]);
|
||
|
}, 150);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Perhaps show the copy link
|
||
|
showCopyLink(state.query, quartoSearchOptions);
|
||
|
|
||
|
lastState = state;
|
||
|
},
|
||
|
reshape({ sources, state }) {
|
||
|
return sources.map((source) => {
|
||
|
try {
|
||
|
const items = source.getItems();
|
||
|
|
||
|
// Validate the items
|
||
|
validateItems(items);
|
||
|
|
||
|
// group the items by document
|
||
|
const groupedItems = new Map();
|
||
|
items.forEach((item) => {
|
||
|
const hrefParts = item.href.split("#");
|
||
|
const baseHref = hrefParts[0];
|
||
|
const isDocumentItem = hrefParts.length === 1;
|
||
|
|
||
|
const items = groupedItems.get(baseHref);
|
||
|
if (!items) {
|
||
|
groupedItems.set(baseHref, [item]);
|
||
|
} else {
|
||
|
// If the href for this item matches the document
|
||
|
// exactly, place this item first as it is the item that represents
|
||
|
// the document itself
|
||
|
if (isDocumentItem) {
|
||
|
items.unshift(item);
|
||
|
} else {
|
||
|
items.push(item);
|
||
|
}
|
||
|
groupedItems.set(baseHref, items);
|
||
|
}
|
||
|
});
|
||
|
|
||
|
const reshapedItems = [];
|
||
|
let count = 1;
|
||
|
for (const [_key, value] of groupedItems) {
|
||
|
const firstItem = value[0];
|
||
|
reshapedItems.push({
|
||
|
...firstItem,
|
||
|
type: kItemTypeDoc,
|
||
|
});
|
||
|
|
||
|
const collapseMatches = quartoSearchOptions["collapse-after"];
|
||
|
const collapseCount =
|
||
|
typeof collapseMatches === "number" ? collapseMatches : 1;
|
||
|
|
||
|
if (value.length > 1) {
|
||
|
const target = `search-more-${count}`;
|
||
|
const isExpanded =
|
||
|
state.context.expanded &&
|
||
|
state.context.expanded.includes(target);
|
||
|
|
||
|
const remainingCount = value.length - collapseCount;
|
||
|
|
||
|
for (let i = 1; i < value.length; i++) {
|
||
|
if (collapseMatches && i === collapseCount) {
|
||
|
reshapedItems.push({
|
||
|
target,
|
||
|
title: isExpanded
|
||
|
? language["search-hide-matches-text"]
|
||
|
: remainingCount === 1
|
||
|
? `${remainingCount} ${language["search-more-match-text"]}`
|
||
|
: `${remainingCount} ${language["search-more-matches-text"]}`,
|
||
|
type: kItemTypeMore,
|
||
|
href: kItemTypeMoreHref,
|
||
|
});
|
||
|
}
|
||
|
|
||
|
if (isExpanded || !collapseMatches || i < collapseCount) {
|
||
|
reshapedItems.push({
|
||
|
...value[i],
|
||
|
type: kItemTypeItem,
|
||
|
target,
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
count += 1;
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
...source,
|
||
|
getItems() {
|
||
|
return reshapedItems;
|
||
|
},
|
||
|
};
|
||
|
} catch (error) {
|
||
|
// Some form of error occurred
|
||
|
return {
|
||
|
...source,
|
||
|
getItems() {
|
||
|
return [
|
||
|
{
|
||
|
title: error.name || "An Error Occurred While Searching",
|
||
|
text:
|
||
|
error.message ||
|
||
|
"An unknown error occurred while attempting to perform the requested search.",
|
||
|
type: kItemTypeError,
|
||
|
},
|
||
|
];
|
||
|
},
|
||
|
};
|
||
|
}
|
||
|
});
|
||
|
},
|
||
|
navigator: {
|
||
|
navigate({ itemUrl }) {
|
||
|
if (itemUrl !== offsetURL(kItemTypeMoreHref)) {
|
||
|
window.location.assign(itemUrl);
|
||
|
}
|
||
|
},
|
||
|
navigateNewTab({ itemUrl }) {
|
||
|
if (itemUrl !== offsetURL(kItemTypeMoreHref)) {
|
||
|
const windowReference = window.open(itemUrl, "_blank", "noopener");
|
||
|
if (windowReference) {
|
||
|
windowReference.focus();
|
||
|
}
|
||
|
}
|
||
|
},
|
||
|
navigateNewWindow({ itemUrl }) {
|
||
|
if (itemUrl !== offsetURL(kItemTypeMoreHref)) {
|
||
|
window.open(itemUrl, "_blank", "noopener");
|
||
|
}
|
||
|
},
|
||
|
},
|
||
|
getSources({ state, setContext, setActiveItemId, refresh }) {
|
||
|
return [
|
||
|
{
|
||
|
sourceId: "documents",
|
||
|
getItemUrl({ item }) {
|
||
|
if (item.href) {
|
||
|
return offsetURL(item.href);
|
||
|
} else {
|
||
|
return undefined;
|
||
|
}
|
||
|
},
|
||
|
onSelect({
|
||
|
item,
|
||
|
state,
|
||
|
setContext,
|
||
|
setIsOpen,
|
||
|
setActiveItemId,
|
||
|
refresh,
|
||
|
}) {
|
||
|
if (item.type === kItemTypeMore) {
|
||
|
toggleExpanded(item, state, setContext, setActiveItemId, refresh);
|
||
|
|
||
|
// Toggle more
|
||
|
setIsOpen(true);
|
||
|
}
|
||
|
},
|
||
|
getItems({ query }) {
|
||
|
const limit = quartoSearchOptions.limit;
|
||
|
if (quartoSearchOptions.algolia) {
|
||
|
return algoliaSearch(query, limit, quartoSearchOptions.algolia);
|
||
|
} else {
|
||
|
// Fuse search options
|
||
|
const fuseSearchOptions = {
|
||
|
isCaseSensitive: false,
|
||
|
shouldSort: true,
|
||
|
minMatchCharLength: 2,
|
||
|
limit: limit,
|
||
|
};
|
||
|
|
||
|
return readSearchData().then(function (fuse) {
|
||
|
return fuseSearch(query, fuse, fuseSearchOptions);
|
||
|
});
|
||
|
}
|
||
|
},
|
||
|
templates: {
|
||
|
noResults({ createElement }) {
|
||
|
return createElement(
|
||
|
"div",
|
||
|
{ class: "quarto-search-no-results" },
|
||
|
language["search-no-results-text"]
|
||
|
);
|
||
|
},
|
||
|
header({ items, createElement }) {
|
||
|
// count the documents
|
||
|
const count = items.filter((item) => {
|
||
|
return item.type === kItemTypeDoc;
|
||
|
}).length;
|
||
|
|
||
|
if (count > 0) {
|
||
|
return createElement(
|
||
|
"div",
|
||
|
{ class: "search-result-header" },
|
||
|
`${count} ${language["search-matching-documents-text"]}`
|
||
|
);
|
||
|
} else {
|
||
|
return createElement(
|
||
|
"div",
|
||
|
{ class: "search-result-header-no-results" },
|
||
|
``
|
||
|
);
|
||
|
}
|
||
|
},
|
||
|
footer({ _items, createElement }) {
|
||
|
if (
|
||
|
quartoSearchOptions.algolia &&
|
||
|
quartoSearchOptions.algolia["show-logo"]
|
||
|
) {
|
||
|
const libDir = quartoSearchOptions.algolia["libDir"];
|
||
|
const logo = createElement("img", {
|
||
|
src: offsetURL(
|
||
|
`${libDir}/quarto-search/search-by-algolia.svg`
|
||
|
),
|
||
|
class: "algolia-search-logo",
|
||
|
});
|
||
|
return createElement(
|
||
|
"a",
|
||
|
{ href: "http://www.algolia.com/" },
|
||
|
logo
|
||
|
);
|
||
|
}
|
||
|
},
|
||
|
|
||
|
item({ item, createElement }) {
|
||
|
return renderItem(
|
||
|
item,
|
||
|
createElement,
|
||
|
state,
|
||
|
setActiveItemId,
|
||
|
setContext,
|
||
|
refresh
|
||
|
);
|
||
|
},
|
||
|
},
|
||
|
},
|
||
|
];
|
||
|
},
|
||
|
});
|
||
|
|
||
|
// Remove the labeleledby attribute since it is pointing
|
||
|
// to a non-existent label
|
||
|
if (quartoSearchOptions.type === "overlay") {
|
||
|
const inputEl = window.document.querySelector(
|
||
|
"#quarto-search .aa-Autocomplete"
|
||
|
);
|
||
|
if (inputEl) {
|
||
|
inputEl.removeAttribute("aria-labelledby");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// If the main document scrolls dismiss the search results
|
||
|
// (otherwise, since they're floating in the document they can scroll with the document)
|
||
|
window.document.body.onscroll = () => {
|
||
|
setIsOpen(false);
|
||
|
};
|
||
|
|
||
|
if (showSearchResults) {
|
||
|
setIsOpen(true);
|
||
|
focusSearchInput();
|
||
|
}
|
||
|
});
|
||
|
|
||
|
function configurePlugins(quartoSearchOptions) {
|
||
|
const autocompletePlugins = [];
|
||
|
const algoliaOptions = quartoSearchOptions.algolia;
|
||
|
if (
|
||
|
algoliaOptions &&
|
||
|
algoliaOptions["analytics-events"] &&
|
||
|
algoliaOptions["search-only-api-key"] &&
|
||
|
algoliaOptions["application-id"]
|
||
|
) {
|
||
|
const apiKey = algoliaOptions["search-only-api-key"];
|
||
|
const appId = algoliaOptions["application-id"];
|
||
|
|
||
|
// Aloglia insights may not be loaded because they require cookie consent
|
||
|
// Use deferred loading so events will start being recorded when/if consent
|
||
|
// is granted.
|
||
|
const algoliaInsightsDeferredPlugin = deferredLoadPlugin(() => {
|
||
|
if (
|
||
|
window.aa &&
|
||
|
window["@algolia/autocomplete-plugin-algolia-insights"]
|
||
|
) {
|
||
|
window.aa("init", {
|
||
|
appId,
|
||
|
apiKey,
|
||
|
useCookie: true,
|
||
|
});
|
||
|
|
||
|
const { createAlgoliaInsightsPlugin } =
|
||
|
window["@algolia/autocomplete-plugin-algolia-insights"];
|
||
|
// Register the insights client
|
||
|
const algoliaInsightsPlugin = createAlgoliaInsightsPlugin({
|
||
|
insightsClient: window.aa,
|
||
|
onItemsChange({ insights, insightsEvents }) {
|
||
|
const events = insightsEvents.map((event) => {
|
||
|
const maxEvents = event.objectIDs.slice(0, 20);
|
||
|
return {
|
||
|
...event,
|
||
|
objectIDs: maxEvents,
|
||
|
};
|
||
|
});
|
||
|
|
||
|
insights.viewedObjectIDs(...events);
|
||
|
},
|
||
|
});
|
||
|
return algoliaInsightsPlugin;
|
||
|
}
|
||
|
});
|
||
|
|
||
|
// Add the plugin
|
||
|
autocompletePlugins.push(algoliaInsightsDeferredPlugin);
|
||
|
return autocompletePlugins;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// For plugins that may not load immediately, create a wrapper
|
||
|
// plugin and forward events and plugin data once the plugin
|
||
|
// is initialized. This is useful for cases like cookie consent
|
||
|
// which may prevent the analytics insights event plugin from initializing
|
||
|
// immediately.
|
||
|
function deferredLoadPlugin(createPlugin) {
|
||
|
let plugin = undefined;
|
||
|
let subscribeObj = undefined;
|
||
|
const wrappedPlugin = () => {
|
||
|
if (!plugin && subscribeObj) {
|
||
|
plugin = createPlugin();
|
||
|
if (plugin && plugin.subscribe) {
|
||
|
plugin.subscribe(subscribeObj);
|
||
|
}
|
||
|
}
|
||
|
return plugin;
|
||
|
};
|
||
|
|
||
|
return {
|
||
|
subscribe: (obj) => {
|
||
|
subscribeObj = obj;
|
||
|
},
|
||
|
onStateChange: (obj) => {
|
||
|
const plugin = wrappedPlugin();
|
||
|
if (plugin && plugin.onStateChange) {
|
||
|
plugin.onStateChange(obj);
|
||
|
}
|
||
|
},
|
||
|
onSubmit: (obj) => {
|
||
|
const plugin = wrappedPlugin();
|
||
|
if (plugin && plugin.onSubmit) {
|
||
|
plugin.onSubmit(obj);
|
||
|
}
|
||
|
},
|
||
|
onReset: (obj) => {
|
||
|
const plugin = wrappedPlugin();
|
||
|
if (plugin && plugin.onReset) {
|
||
|
plugin.onReset(obj);
|
||
|
}
|
||
|
},
|
||
|
getSources: (obj) => {
|
||
|
const plugin = wrappedPlugin();
|
||
|
if (plugin && plugin.getSources) {
|
||
|
return plugin.getSources(obj);
|
||
|
} else {
|
||
|
return Promise.resolve([]);
|
||
|
}
|
||
|
},
|
||
|
data: (obj) => {
|
||
|
const plugin = wrappedPlugin();
|
||
|
if (plugin && plugin.data) {
|
||
|
plugin.data(obj);
|
||
|
}
|
||
|
},
|
||
|
};
|
||
|
}
|
||
|
|
||
|
function validateItems(items) {
|
||
|
// Validate the first item
|
||
|
if (items.length > 0) {
|
||
|
const item = items[0];
|
||
|
const missingFields = [];
|
||
|
if (item.href == undefined) {
|
||
|
missingFields.push("href");
|
||
|
}
|
||
|
if (!item.title == undefined) {
|
||
|
missingFields.push("title");
|
||
|
}
|
||
|
if (!item.text == undefined) {
|
||
|
missingFields.push("text");
|
||
|
}
|
||
|
|
||
|
if (missingFields.length === 1) {
|
||
|
throw {
|
||
|
name: `Error: Search index is missing the <code>${missingFields[0]}</code> field.`,
|
||
|
message: `The items being returned for this search do not include all the required fields. Please ensure that your index items include the <code>${missingFields[0]}</code> field or use <code>index-fields</code> in your <code>_quarto.yml</code> file to specify the field names.`,
|
||
|
};
|
||
|
} else if (missingFields.length > 1) {
|
||
|
const missingFieldList = missingFields
|
||
|
.map((field) => {
|
||
|
return `<code>${field}</code>`;
|
||
|
})
|
||
|
.join(", ");
|
||
|
|
||
|
throw {
|
||
|
name: `Error: Search index is missing the following fields: ${missingFieldList}.`,
|
||
|
message: `The items being returned for this search do not include all the required fields. Please ensure that your index items includes the following fields: ${missingFieldList}, or use <code>index-fields</code> in your <code>_quarto.yml</code> file to specify the field names.`,
|
||
|
};
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
let lastQuery = null;
|
||
|
function showCopyLink(query, options) {
|
||
|
const language = options.language;
|
||
|
lastQuery = query;
|
||
|
// Insert share icon
|
||
|
const inputSuffixEl = window.document.body.querySelector(
|
||
|
".aa-Form .aa-InputWrapperSuffix"
|
||
|
);
|
||
|
|
||
|
if (inputSuffixEl) {
|
||
|
let copyButtonEl = window.document.body.querySelector(
|
||
|
".aa-Form .aa-InputWrapperSuffix .aa-CopyButton"
|
||
|
);
|
||
|
|
||
|
if (copyButtonEl === null) {
|
||
|
copyButtonEl = window.document.createElement("button");
|
||
|
copyButtonEl.setAttribute("class", "aa-CopyButton");
|
||
|
copyButtonEl.setAttribute("type", "button");
|
||
|
copyButtonEl.setAttribute("title", language["search-copy-link-title"]);
|
||
|
copyButtonEl.onmousedown = (e) => {
|
||
|
e.preventDefault();
|
||
|
e.stopPropagation();
|
||
|
};
|
||
|
|
||
|
const linkIcon = "bi-clipboard";
|
||
|
const checkIcon = "bi-check2";
|
||
|
|
||
|
const shareIconEl = window.document.createElement("i");
|
||
|
shareIconEl.setAttribute("class", `bi ${linkIcon}`);
|
||
|
copyButtonEl.appendChild(shareIconEl);
|
||
|
inputSuffixEl.prepend(copyButtonEl);
|
||
|
|
||
|
const clipboard = new window.ClipboardJS(".aa-CopyButton", {
|
||
|
text: function (_trigger) {
|
||
|
const copyUrl = new URL(window.location);
|
||
|
copyUrl.searchParams.set(kQueryArg, lastQuery);
|
||
|
copyUrl.searchParams.set(kResultsArg, "1");
|
||
|
return copyUrl.toString();
|
||
|
},
|
||
|
});
|
||
|
clipboard.on("success", function (e) {
|
||
|
// Focus the input
|
||
|
|
||
|
// button target
|
||
|
const button = e.trigger;
|
||
|
const icon = button.querySelector("i.bi");
|
||
|
|
||
|
// flash "checked"
|
||
|
icon.classList.add(checkIcon);
|
||
|
icon.classList.remove(linkIcon);
|
||
|
setTimeout(function () {
|
||
|
icon.classList.remove(checkIcon);
|
||
|
icon.classList.add(linkIcon);
|
||
|
}, 1000);
|
||
|
});
|
||
|
}
|
||
|
|
||
|
// If there is a query, show the link icon
|
||
|
if (copyButtonEl) {
|
||
|
if (lastQuery && options["copy-button"]) {
|
||
|
copyButtonEl.style.display = "flex";
|
||
|
} else {
|
||
|
copyButtonEl.style.display = "none";
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Search Index Handling */
|
||
|
// create the index
|
||
|
var fuseIndex = undefined;
|
||
|
async function readSearchData() {
|
||
|
// Initialize the search index on demand
|
||
|
if (fuseIndex === undefined) {
|
||
|
// create fuse index
|
||
|
const options = {
|
||
|
keys: [
|
||
|
{ name: "title", weight: 20 },
|
||
|
{ name: "section", weight: 20 },
|
||
|
{ name: "text", weight: 10 },
|
||
|
],
|
||
|
ignoreLocation: true,
|
||
|
threshold: 0.1,
|
||
|
};
|
||
|
const fuse = new window.Fuse([], options);
|
||
|
|
||
|
// fetch the main search.json
|
||
|
const response = await fetch(offsetURL("search.json"));
|
||
|
if (response.status == 200) {
|
||
|
return response.json().then(function (searchDocs) {
|
||
|
searchDocs.forEach(function (searchDoc) {
|
||
|
fuse.add(searchDoc);
|
||
|
});
|
||
|
fuseIndex = fuse;
|
||
|
return fuseIndex;
|
||
|
});
|
||
|
} else {
|
||
|
return Promise.reject(
|
||
|
new Error(
|
||
|
"Unexpected status from search index request: " + response.status
|
||
|
)
|
||
|
);
|
||
|
}
|
||
|
}
|
||
|
return fuseIndex;
|
||
|
}
|
||
|
|
||
|
function inputElement() {
|
||
|
return window.document.body.querySelector(".aa-Form .aa-Input");
|
||
|
}
|
||
|
|
||
|
function focusSearchInput() {
|
||
|
setTimeout(() => {
|
||
|
const inputEl = inputElement();
|
||
|
if (inputEl) {
|
||
|
inputEl.focus();
|
||
|
}
|
||
|
}, 50);
|
||
|
}
|
||
|
|
||
|
/* Panels */
|
||
|
const kItemTypeDoc = "document";
|
||
|
const kItemTypeMore = "document-more";
|
||
|
const kItemTypeItem = "document-item";
|
||
|
const kItemTypeError = "error";
|
||
|
|
||
|
function renderItem(
|
||
|
item,
|
||
|
createElement,
|
||
|
state,
|
||
|
setActiveItemId,
|
||
|
setContext,
|
||
|
refresh
|
||
|
) {
|
||
|
switch (item.type) {
|
||
|
case kItemTypeDoc:
|
||
|
return createDocumentCard(
|
||
|
createElement,
|
||
|
"file-richtext",
|
||
|
item.title,
|
||
|
item.section,
|
||
|
item.text,
|
||
|
item.href
|
||
|
);
|
||
|
case kItemTypeMore:
|
||
|
return createMoreCard(
|
||
|
createElement,
|
||
|
item,
|
||
|
state,
|
||
|
setActiveItemId,
|
||
|
setContext,
|
||
|
refresh
|
||
|
);
|
||
|
case kItemTypeItem:
|
||
|
return createSectionCard(
|
||
|
createElement,
|
||
|
item.section,
|
||
|
item.text,
|
||
|
item.href
|
||
|
);
|
||
|
case kItemTypeError:
|
||
|
return createErrorCard(createElement, item.title, item.text);
|
||
|
default:
|
||
|
return undefined;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function createDocumentCard(createElement, icon, title, section, text, href) {
|
||
|
const iconEl = createElement("i", {
|
||
|
class: `bi bi-${icon} search-result-icon`,
|
||
|
});
|
||
|
const titleEl = createElement("p", { class: "search-result-title" }, title);
|
||
|
const titleContainerEl = createElement(
|
||
|
"div",
|
||
|
{ class: "search-result-title-container" },
|
||
|
[iconEl, titleEl]
|
||
|
);
|
||
|
|
||
|
const textEls = [];
|
||
|
if (section) {
|
||
|
const sectionEl = createElement(
|
||
|
"p",
|
||
|
{ class: "search-result-section" },
|
||
|
section
|
||
|
);
|
||
|
textEls.push(sectionEl);
|
||
|
}
|
||
|
const descEl = createElement("p", {
|
||
|
class: "search-result-text",
|
||
|
dangerouslySetInnerHTML: {
|
||
|
__html: text,
|
||
|
},
|
||
|
});
|
||
|
textEls.push(descEl);
|
||
|
|
||
|
const textContainerEl = createElement(
|
||
|
"div",
|
||
|
{ class: "search-result-text-container" },
|
||
|
textEls
|
||
|
);
|
||
|
|
||
|
const containerEl = createElement(
|
||
|
"div",
|
||
|
{
|
||
|
class: "search-result-container",
|
||
|
},
|
||
|
[titleContainerEl, textContainerEl]
|
||
|
);
|
||
|
|
||
|
const linkEl = createElement(
|
||
|
"a",
|
||
|
{
|
||
|
href: offsetURL(href),
|
||
|
class: "search-result-link",
|
||
|
},
|
||
|
containerEl
|
||
|
);
|
||
|
|
||
|
const classes = ["search-result-doc", "search-item"];
|
||
|
if (!section) {
|
||
|
classes.push("document-selectable");
|
||
|
}
|
||
|
|
||
|
return createElement(
|
||
|
"div",
|
||
|
{
|
||
|
class: classes.join(" "),
|
||
|
},
|
||
|
linkEl
|
||
|
);
|
||
|
}
|
||
|
|
||
|
function createMoreCard(
|
||
|
createElement,
|
||
|
item,
|
||
|
state,
|
||
|
setActiveItemId,
|
||
|
setContext,
|
||
|
refresh
|
||
|
) {
|
||
|
const moreCardEl = createElement(
|
||
|
"div",
|
||
|
{
|
||
|
class: "search-result-more search-item",
|
||
|
onClick: (e) => {
|
||
|
// Handle expanding the sections by adding the expanded
|
||
|
// section to the list of expanded sections
|
||
|
toggleExpanded(item, state, setContext, setActiveItemId, refresh);
|
||
|
e.stopPropagation();
|
||
|
},
|
||
|
},
|
||
|
item.title
|
||
|
);
|
||
|
|
||
|
return moreCardEl;
|
||
|
}
|
||
|
|
||
|
function toggleExpanded(item, state, setContext, setActiveItemId, refresh) {
|
||
|
const expanded = state.context.expanded || [];
|
||
|
if (expanded.includes(item.target)) {
|
||
|
setContext({
|
||
|
expanded: expanded.filter((target) => target !== item.target),
|
||
|
});
|
||
|
} else {
|
||
|
setContext({ expanded: [...expanded, item.target] });
|
||
|
}
|
||
|
|
||
|
refresh();
|
||
|
setActiveItemId(item.__autocomplete_id);
|
||
|
}
|
||
|
|
||
|
function createSectionCard(createElement, section, text, href) {
|
||
|
const sectionEl = createSection(createElement, section, text, href);
|
||
|
return createElement(
|
||
|
"div",
|
||
|
{
|
||
|
class: "search-result-doc-section search-item",
|
||
|
},
|
||
|
sectionEl
|
||
|
);
|
||
|
}
|
||
|
|
||
|
function createSection(createElement, title, text, href) {
|
||
|
const descEl = createElement("p", {
|
||
|
class: "search-result-text",
|
||
|
dangerouslySetInnerHTML: {
|
||
|
__html: text,
|
||
|
},
|
||
|
});
|
||
|
|
||
|
const titleEl = createElement("p", { class: "search-result-section" }, title);
|
||
|
const linkEl = createElement(
|
||
|
"a",
|
||
|
{
|
||
|
href: offsetURL(href),
|
||
|
class: "search-result-link",
|
||
|
},
|
||
|
[titleEl, descEl]
|
||
|
);
|
||
|
return linkEl;
|
||
|
}
|
||
|
|
||
|
function createErrorCard(createElement, title, text) {
|
||
|
const descEl = createElement("p", {
|
||
|
class: "search-error-text",
|
||
|
dangerouslySetInnerHTML: {
|
||
|
__html: text,
|
||
|
},
|
||
|
});
|
||
|
|
||
|
const titleEl = createElement("p", {
|
||
|
class: "search-error-title",
|
||
|
dangerouslySetInnerHTML: {
|
||
|
__html: `<i class="bi bi-exclamation-circle search-error-icon"></i> ${title}`,
|
||
|
},
|
||
|
});
|
||
|
const errorEl = createElement("div", { class: "search-error" }, [
|
||
|
titleEl,
|
||
|
descEl,
|
||
|
]);
|
||
|
return errorEl;
|
||
|
}
|
||
|
|
||
|
function positionPanel(pos) {
|
||
|
const panelEl = window.document.querySelector(
|
||
|
"#quarto-search-results .aa-Panel"
|
||
|
);
|
||
|
const inputEl = window.document.querySelector(
|
||
|
"#quarto-search .aa-Autocomplete"
|
||
|
);
|
||
|
|
||
|
if (panelEl && inputEl) {
|
||
|
panelEl.style.top = `${Math.round(panelEl.offsetTop)}px`;
|
||
|
if (pos === "start") {
|
||
|
panelEl.style.left = `${Math.round(inputEl.left)}px`;
|
||
|
} else {
|
||
|
panelEl.style.right = `${Math.round(inputEl.offsetRight)}px`;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Highlighting */
|
||
|
// highlighting functions
|
||
|
function highlightMatch(query, text) {
|
||
|
if (text) {
|
||
|
const start = text.toLowerCase().indexOf(query.toLowerCase());
|
||
|
if (start !== -1) {
|
||
|
const startMark = "<mark class='search-match'>";
|
||
|
const endMark = "</mark>";
|
||
|
|
||
|
const end = start + query.length;
|
||
|
text =
|
||
|
text.slice(0, start) +
|
||
|
startMark +
|
||
|
text.slice(start, end) +
|
||
|
endMark +
|
||
|
text.slice(end);
|
||
|
const startInfo = clipStart(text, start);
|
||
|
const endInfo = clipEnd(
|
||
|
text,
|
||
|
startInfo.position + startMark.length + endMark.length
|
||
|
);
|
||
|
text =
|
||
|
startInfo.prefix +
|
||
|
text.slice(startInfo.position, endInfo.position) +
|
||
|
endInfo.suffix;
|
||
|
|
||
|
return text;
|
||
|
} else {
|
||
|
return text;
|
||
|
}
|
||
|
} else {
|
||
|
return text;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function clipStart(text, pos) {
|
||
|
const clipStart = pos - 50;
|
||
|
if (clipStart < 0) {
|
||
|
// This will just return the start of the string
|
||
|
return {
|
||
|
position: 0,
|
||
|
prefix: "",
|
||
|
};
|
||
|
} else {
|
||
|
// We're clipping before the start of the string, walk backwards to the first space.
|
||
|
const spacePos = findSpace(text, pos, -1);
|
||
|
return {
|
||
|
position: spacePos.position,
|
||
|
prefix: "",
|
||
|
};
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function clipEnd(text, pos) {
|
||
|
const clipEnd = pos + 200;
|
||
|
if (clipEnd > text.length) {
|
||
|
return {
|
||
|
position: text.length,
|
||
|
suffix: "",
|
||
|
};
|
||
|
} else {
|
||
|
const spacePos = findSpace(text, clipEnd, 1);
|
||
|
return {
|
||
|
position: spacePos.position,
|
||
|
suffix: spacePos.clipped ? "…" : "",
|
||
|
};
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function findSpace(text, start, step) {
|
||
|
let stepPos = start;
|
||
|
while (stepPos > -1 && stepPos < text.length) {
|
||
|
const char = text[stepPos];
|
||
|
if (char === " " || char === "," || char === ":") {
|
||
|
return {
|
||
|
position: step === 1 ? stepPos : stepPos - step,
|
||
|
clipped: stepPos > 1 && stepPos < text.length,
|
||
|
};
|
||
|
}
|
||
|
stepPos = stepPos + step;
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
position: stepPos - step,
|
||
|
clipped: false,
|
||
|
};
|
||
|
}
|
||
|
|
||
|
// removes highlighting as implemented by the mark tag
|
||
|
function clearHighlight(searchterm, el) {
|
||
|
const childNodes = el.childNodes;
|
||
|
for (let i = childNodes.length - 1; i >= 0; i--) {
|
||
|
const node = childNodes[i];
|
||
|
if (node.nodeType === Node.ELEMENT_NODE) {
|
||
|
if (
|
||
|
node.tagName === "MARK" &&
|
||
|
node.innerText.toLowerCase() === searchterm.toLowerCase()
|
||
|
) {
|
||
|
el.replaceChild(document.createTextNode(node.innerText), node);
|
||
|
} else {
|
||
|
clearHighlight(searchterm, node);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// highlight matches
|
||
|
function highlight(term, el) {
|
||
|
const termRegex = new RegExp(term, "ig");
|
||
|
const childNodes = el.childNodes;
|
||
|
|
||
|
// walk back to front avoid mutating elements in front of us
|
||
|
for (let i = childNodes.length - 1; i >= 0; i--) {
|
||
|
const node = childNodes[i];
|
||
|
|
||
|
if (node.nodeType === Node.TEXT_NODE) {
|
||
|
// Search text nodes for text to highlight
|
||
|
const text = node.nodeValue;
|
||
|
|
||
|
let startIndex = 0;
|
||
|
let matchIndex = text.search(termRegex);
|
||
|
if (matchIndex > -1) {
|
||
|
const markFragment = document.createDocumentFragment();
|
||
|
while (matchIndex > -1) {
|
||
|
const prefix = text.slice(startIndex, matchIndex);
|
||
|
markFragment.appendChild(document.createTextNode(prefix));
|
||
|
|
||
|
const mark = document.createElement("mark");
|
||
|
mark.appendChild(
|
||
|
document.createTextNode(
|
||
|
text.slice(matchIndex, matchIndex + term.length)
|
||
|
)
|
||
|
);
|
||
|
markFragment.appendChild(mark);
|
||
|
|
||
|
startIndex = matchIndex + term.length;
|
||
|
matchIndex = text.slice(startIndex).search(new RegExp(term, "ig"));
|
||
|
if (matchIndex > -1) {
|
||
|
matchIndex = startIndex + matchIndex;
|
||
|
}
|
||
|
}
|
||
|
if (startIndex < text.length) {
|
||
|
markFragment.appendChild(
|
||
|
document.createTextNode(text.slice(startIndex, text.length))
|
||
|
);
|
||
|
}
|
||
|
|
||
|
el.replaceChild(markFragment, node);
|
||
|
}
|
||
|
} else if (node.nodeType === Node.ELEMENT_NODE) {
|
||
|
// recurse through elements
|
||
|
highlight(term, node);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Link Handling */
|
||
|
// get the offset from this page for a given site root relative url
|
||
|
function offsetURL(url) {
|
||
|
var offset = getMeta("quarto:offset");
|
||
|
return offset ? offset + url : url;
|
||
|
}
|
||
|
|
||
|
// read a meta tag value
|
||
|
function getMeta(metaName) {
|
||
|
var metas = window.document.getElementsByTagName("meta");
|
||
|
for (let i = 0; i < metas.length; i++) {
|
||
|
if (metas[i].getAttribute("name") === metaName) {
|
||
|
return metas[i].getAttribute("content");
|
||
|
}
|
||
|
}
|
||
|
return "";
|
||
|
}
|
||
|
|
||
|
function algoliaSearch(query, limit, algoliaOptions) {
|
||
|
const { getAlgoliaResults } = window["@algolia/autocomplete-preset-algolia"];
|
||
|
|
||
|
const applicationId = algoliaOptions["application-id"];
|
||
|
const searchOnlyApiKey = algoliaOptions["search-only-api-key"];
|
||
|
const indexName = algoliaOptions["index-name"];
|
||
|
const indexFields = algoliaOptions["index-fields"];
|
||
|
const searchClient = window.algoliasearch(applicationId, searchOnlyApiKey);
|
||
|
const searchParams = algoliaOptions["params"];
|
||
|
const searchAnalytics = !!algoliaOptions["analytics-events"];
|
||
|
|
||
|
return getAlgoliaResults({
|
||
|
searchClient,
|
||
|
queries: [
|
||
|
{
|
||
|
indexName: indexName,
|
||
|
query,
|
||
|
params: {
|
||
|
hitsPerPage: limit,
|
||
|
clickAnalytics: searchAnalytics,
|
||
|
...searchParams,
|
||
|
},
|
||
|
},
|
||
|
],
|
||
|
transformResponse: (response) => {
|
||
|
if (!indexFields) {
|
||
|
return response.hits.map((hit) => {
|
||
|
return hit.map((item) => {
|
||
|
return {
|
||
|
...item,
|
||
|
text: highlightMatch(query, item.text),
|
||
|
};
|
||
|
});
|
||
|
});
|
||
|
} else {
|
||
|
const remappedHits = response.hits.map((hit) => {
|
||
|
return hit.map((item) => {
|
||
|
const newItem = { ...item };
|
||
|
["href", "section", "title", "text"].forEach((keyName) => {
|
||
|
const mappedName = indexFields[keyName];
|
||
|
if (
|
||
|
mappedName &&
|
||
|
item[mappedName] !== undefined &&
|
||
|
mappedName !== keyName
|
||
|
) {
|
||
|
newItem[keyName] = item[mappedName];
|
||
|
delete newItem[mappedName];
|
||
|
}
|
||
|
});
|
||
|
newItem.text = highlightMatch(query, newItem.text);
|
||
|
return newItem;
|
||
|
});
|
||
|
});
|
||
|
return remappedHits;
|
||
|
}
|
||
|
},
|
||
|
});
|
||
|
}
|
||
|
|
||
|
function fuseSearch(query, fuse, fuseOptions) {
|
||
|
return fuse.search(query, fuseOptions).map((result) => {
|
||
|
const addParam = (url, name, value) => {
|
||
|
const anchorParts = url.split("#");
|
||
|
const baseUrl = anchorParts[0];
|
||
|
const sep = baseUrl.search("\\?") > 0 ? "&" : "?";
|
||
|
anchorParts[0] = baseUrl + sep + name + "=" + value;
|
||
|
return anchorParts.join("#");
|
||
|
};
|
||
|
|
||
|
return {
|
||
|
title: result.item.title,
|
||
|
section: result.item.section,
|
||
|
href: addParam(result.item.href, kQueryArg, query),
|
||
|
text: highlightMatch(query, result.item.text),
|
||
|
};
|
||
|
});
|
||
|
}
|