98 lines
3 KiB
JavaScript
98 lines
3 KiB
JavaScript
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(async function(){
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// load the data
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const local = await d3.dsv( ',', '/data/library_services_information.csv', (d) => {
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return {
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name: d.long_name,
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ils: d.ILS,
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state: d.state.toUpperCase(),
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url: d.website
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}
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});
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const nsla = await d3.dsv(',', '/data/nsla_library_locations.csv', (d) => {
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return {
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name: d.town,
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ils: d.ils,
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url: d.url
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}
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});
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const academic = await d3.dsv(',', '/data/academic_library_locations.csv', (d) => {
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return {
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name: d.town,
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ils: d.ils,
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discovery: d.discovery,
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url: d.url
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}
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});
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const data = [...local, ...nsla, ...academic]
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const ils_systems = []
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const disc_systems = []
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for (let d of data) {
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ils_systems.push(d.ils)
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disc_systems.push(d.discovery)
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}
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const values = new Set(ils_systems.sort())
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const ils = document.getElementById('ils')
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for (let val of values) {
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const option = document.createElement('option')
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option.innerText = val
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ils.appendChild(option)
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}
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const discoveries = new Set(disc_systems.sort())
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const discovery = document.getElementById('discovery')
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for (let val of discoveries) {
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if (val) {
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const option = document.createElement('option')
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option.innerText = val
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discovery.appendChild(option)
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}
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}
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// watch for a query
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const form = document.getElementById('form')
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form.addEventListener('submit', (event) => {
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event.preventDefault()
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let listing = document.getElementById('libraries')
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// clear
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while (listing.firstChild) {
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listing.removeChild(listing.firstChild);
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}
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let ils = event.target.ils.value == "---" ? null : event.target.ils.value
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let discovery = event.target.discovery.value == "---" ? null : event.target.discovery.value
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var libraries = []
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if (ils && !discovery) {
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libraries = data.filter( (lib) => lib.ils == ils).sort( (a,b) => {
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return (a.name < b.name) ? -1 : (a.name > b.name) ? 1 : 0;
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})
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} else if (discovery && !ils) {
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libraries = data.filter( (lib) => lib.discovery == discovery).sort( (a,b) => {
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return (a.name < b.name) ? -1 : (a.name > b.name) ? 1 : 0;
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})
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} else {
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let ils_libs = data.filter( (lib) => lib.ils == ils)
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libraries = ils_libs.filter( (lib) => lib.discovery == discovery).sort( (a,b) => {
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return (a.name < b.name) ? -1 : (a.name > b.name) ? 1 : 0;
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})
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}
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// account for no disovery listed or neither
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for (let lib of libraries) {
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const li = document.createElement('li')
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if (lib.url) {
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li.innerHTML = `<a target="_blank" href="${lib.url}" rel="noopener noreferrer">${lib.name}</a>`
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} else {
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li.innerText = lib.name
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}
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if (lib.state) {
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li.innerHTML += ` (${lib.state})`
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}
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listing.appendChild(li)
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}
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})
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})()
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