|
1 |
| -const states = new WeakMap(); |
| 1 | +const states = new WeakMap() |
2 | 2 |
|
3 | 3 | class RemoteInputElement extends HTMLElement {
|
4 | 4 | constructor() {
|
5 |
| - super(); |
6 |
| - const fetch = fetchResults.bind(null, this, true); |
| 5 | + super() |
| 6 | + const fetch = fetchResults.bind(null, this, true) |
7 | 7 | const state = {
|
8 | 8 | currentQuery: null,
|
9 | 9 | oninput: debounce<Event>((e) => fetch(e)),
|
10 | 10 | fetch,
|
11 |
| - controller: null, |
12 |
| - }; |
13 |
| - states.set(this, state); |
| 11 | + controller: null |
| 12 | + } |
| 13 | + states.set(this, state) |
14 | 14 | }
|
15 | 15 |
|
16 | 16 | static get observedAttributes() {
|
17 |
| - return ["src"]; |
| 17 | + return ['src'] |
18 | 18 | }
|
19 | 19 |
|
20 | 20 | attributeChangedCallback(name: string, oldValue: string) {
|
21 |
| - if (oldValue && name === "src") { |
22 |
| - fetchResults(this, false); |
| 21 | + if (oldValue && name === 'src') { |
| 22 | + fetchResults(this, false) |
23 | 23 | }
|
24 | 24 | }
|
25 | 25 |
|
26 | 26 | connectedCallback() {
|
27 |
| - const input = this.input; |
28 |
| - if (!input) return; |
| 27 | + const input = this.input |
| 28 | + if (!input) return |
29 | 29 |
|
30 |
| - input.setAttribute("autocomplete", "off"); |
31 |
| - input.setAttribute("spellcheck", "false"); |
| 30 | + input.setAttribute('autocomplete', 'off') |
| 31 | + input.setAttribute('spellcheck', 'false') |
32 | 32 |
|
33 |
| - const state = states.get(this); |
34 |
| - if (!state) return; |
| 33 | + const state = states.get(this) |
| 34 | + if (!state) return |
35 | 35 |
|
36 |
| - input.addEventListener("focus", state.fetch); |
37 |
| - input.addEventListener("change", state.fetch); |
38 |
| - input.addEventListener("input", state.oninput); |
| 36 | + input.addEventListener('focus', state.fetch) |
| 37 | + input.addEventListener('change', state.fetch) |
| 38 | + input.addEventListener('input', state.oninput) |
39 | 39 | }
|
40 | 40 |
|
41 | 41 | disconnectedCallback() {
|
42 |
| - const input = this.input; |
43 |
| - if (!input) return; |
| 42 | + const input = this.input |
| 43 | + if (!input) return |
44 | 44 |
|
45 |
| - const state = states.get(this); |
46 |
| - if (!state) return; |
| 45 | + const state = states.get(this) |
| 46 | + if (!state) return |
47 | 47 |
|
48 |
| - input.removeEventListener("focus", state.fetch); |
49 |
| - input.removeEventListener("change", state.fetch); |
50 |
| - input.removeEventListener("input", state.oninput); |
| 48 | + input.removeEventListener('focus', state.fetch) |
| 49 | + input.removeEventListener('change', state.fetch) |
| 50 | + input.removeEventListener('input', state.oninput) |
51 | 51 | }
|
52 | 52 |
|
53 | 53 | get input(): HTMLInputElement | HTMLTextAreaElement | null {
|
54 |
| - const input = this.querySelector("input, textarea"); |
| 54 | + const input = this.querySelector('input, textarea') |
55 | 55 | return input instanceof HTMLInputElement ||
|
56 | 56 | input instanceof HTMLTextAreaElement
|
57 | 57 | ? input
|
58 |
| - : null; |
| 58 | + : null |
59 | 59 | }
|
60 | 60 |
|
61 | 61 | get src(): string {
|
62 |
| - return this.getAttribute("src") || ""; |
| 62 | + return this.getAttribute('src') || '' |
63 | 63 | }
|
64 | 64 |
|
65 | 65 | set src(url: string) {
|
66 |
| - this.setAttribute("src", url); |
| 66 | + this.setAttribute('src', url) |
67 | 67 | }
|
68 | 68 | }
|
69 | 69 |
|
70 | 70 | function makeAbortController() {
|
71 |
| - if ("AbortController" in window) { |
72 |
| - return new AbortController(); |
| 71 | + if ('AbortController' in window) { |
| 72 | + return new AbortController() |
73 | 73 | }
|
74 | 74 |
|
75 |
| - return { signal: null, abort() {} }; |
| 75 | + return { signal: null, abort() {} } |
76 | 76 | }
|
77 | 77 |
|
78 | 78 | async function fetchResults(
|
79 | 79 | remoteInput: RemoteInputElement,
|
80 | 80 | checkCurrentQuery: boolean,
|
81 |
| - event?: Event, |
| 81 | + event?: Event |
82 | 82 | ) {
|
83 |
| - const input = remoteInput.input; |
84 |
| - if (!input) return; |
| 83 | + const input = remoteInput.input |
| 84 | + if (!input) return |
85 | 85 |
|
86 |
| - const state = states.get(remoteInput); |
87 |
| - if (!state) return; |
| 86 | + const state = states.get(remoteInput) |
| 87 | + if (!state) return |
88 | 88 |
|
89 |
| - const query = input.value; |
90 |
| - if (checkCurrentQuery && state.currentQuery === query) return; |
| 89 | + const query = input.value |
| 90 | + if (checkCurrentQuery && state.currentQuery === query) return |
91 | 91 |
|
92 |
| - state.currentQuery = query; |
| 92 | + state.currentQuery = query |
93 | 93 |
|
94 |
| - const src = remoteInput.src; |
95 |
| - if (!src) return; |
| 94 | + const src = remoteInput.src |
| 95 | + if (!src) return |
96 | 96 |
|
97 | 97 | const resultsContainer = document.getElementById(
|
98 |
| - remoteInput.getAttribute("aria-owns") || "", |
99 |
| - ); |
100 |
| - if (!resultsContainer) return; |
| 98 | + remoteInput.getAttribute('aria-owns') || '' |
| 99 | + ) |
| 100 | + if (!resultsContainer) return |
101 | 101 |
|
102 |
| - const url = new URL(src, window.location.href); |
103 |
| - const params = new URLSearchParams(url.search); |
104 |
| - params.append(remoteInput.getAttribute("param") || "q", query); |
105 |
| - url.search = params.toString(); |
| 102 | + const url = new URL(src, window.location.href) |
| 103 | + const params = new URLSearchParams(url.search) |
| 104 | + params.append(remoteInput.getAttribute('param') || 'q', query) |
| 105 | + url.search = params.toString() |
106 | 106 |
|
107 | 107 | if (state.controller) {
|
108 |
| - state.controller.abort(); |
| 108 | + state.controller.abort() |
109 | 109 | } else {
|
110 |
| - remoteInput.dispatchEvent(new CustomEvent("loadstart")); |
111 |
| - remoteInput.setAttribute("loading", ""); |
| 110 | + remoteInput.dispatchEvent(new CustomEvent('loadstart')) |
| 111 | + remoteInput.setAttribute('loading', '') |
112 | 112 | }
|
113 | 113 |
|
114 |
| - state.controller = makeAbortController(); |
| 114 | + state.controller = makeAbortController() |
115 | 115 |
|
116 |
| - let response; |
117 |
| - let html = ""; |
| 116 | + let response |
| 117 | + let html = '' |
118 | 118 | try {
|
119 | 119 | response = await fetchWithNetworkEvents(remoteInput, url.toString(), {
|
120 | 120 | signal: state.controller.signal,
|
121 |
| - credentials: "same-origin", |
122 |
| - headers: { accept: "text/fragment+html" }, |
123 |
| - }); |
124 |
| - html = await response.text(); |
125 |
| - remoteInput.removeAttribute("loading"); |
126 |
| - state.controller = null; |
| 121 | + credentials: 'same-origin', |
| 122 | + headers: { accept: 'text/fragment+html' } |
| 123 | + }) |
| 124 | + html = await response.text() |
| 125 | + remoteInput.removeAttribute('loading') |
| 126 | + state.controller = null |
127 | 127 | } catch (error) {
|
128 |
| - if (error instanceof Error && error.name !== "AbortError") { |
129 |
| - remoteInput.removeAttribute("loading"); |
130 |
| - state.controller = null; |
| 128 | + if (error instanceof Error && error.name !== 'AbortError') { |
| 129 | + remoteInput.removeAttribute('loading') |
| 130 | + state.controller = null |
131 | 131 | }
|
132 |
| - return; |
| 132 | + return |
133 | 133 | }
|
134 | 134 |
|
135 | 135 | if (response && response.ok) {
|
136 |
| - resultsContainer.innerHTML = html; |
| 136 | + resultsContainer.innerHTML = html |
137 | 137 | remoteInput.dispatchEvent(
|
138 |
| - new CustomEvent("remote-input-success", { |
| 138 | + new CustomEvent('remote-input-success', { |
139 | 139 | bubbles: true,
|
140 |
| - detail: { eventType: event ? event.type : undefined }, |
141 |
| - }), |
142 |
| - ); |
| 140 | + detail: { eventType: event ? event.type : undefined } |
| 141 | + }) |
| 142 | + ) |
143 | 143 | } else {
|
144 | 144 | remoteInput.dispatchEvent(
|
145 |
| - new CustomEvent("remote-input-error", { bubbles: true }), |
146 |
| - ); |
| 145 | + new CustomEvent('remote-input-error', { bubbles: true }) |
| 146 | + ) |
147 | 147 | }
|
148 | 148 | }
|
149 | 149 |
|
150 | 150 | async function fetchWithNetworkEvents(
|
151 | 151 | el: Element,
|
152 | 152 | url: string,
|
153 |
| - options: RequestInit, |
| 153 | + options: RequestInit |
154 | 154 | ): Promise<Response> {
|
155 | 155 | try {
|
156 |
| - const response = await fetch(url, options); |
157 |
| - el.dispatchEvent(new CustomEvent("load")); |
158 |
| - el.dispatchEvent(new CustomEvent("loadend")); |
159 |
| - return response; |
| 156 | + const response = await fetch(url, options) |
| 157 | + el.dispatchEvent(new CustomEvent('load')) |
| 158 | + el.dispatchEvent(new CustomEvent('loadend')) |
| 159 | + return response |
160 | 160 | } catch (error) {
|
161 |
| - if (error instanceof Error && error?.name !== "AbortError") { |
162 |
| - el.dispatchEvent(new CustomEvent("error")); |
163 |
| - el.dispatchEvent(new CustomEvent("loadend")); |
| 161 | + if (error instanceof Error && error?.name !== 'AbortError') { |
| 162 | + el.dispatchEvent(new CustomEvent('error')) |
| 163 | + el.dispatchEvent(new CustomEvent('loadend')) |
164 | 164 | }
|
165 |
| - throw error; |
| 165 | + throw error |
166 | 166 | }
|
167 | 167 | }
|
168 | 168 |
|
169 | 169 | function debounce<T>(callback: (_args: T) => void) {
|
170 |
| - let timeout: ReturnType<typeof setTimeout>; |
| 170 | + let timeout: ReturnType<typeof setTimeout> |
171 | 171 | return function (args: T) {
|
172 |
| - clearTimeout(timeout); |
| 172 | + clearTimeout(timeout) |
173 | 173 | timeout = setTimeout(() => {
|
174 |
| - clearTimeout(timeout); |
175 |
| - callback(args); |
176 |
| - }, 300); |
177 |
| - }; |
| 174 | + clearTimeout(timeout) |
| 175 | + callback(args) |
| 176 | + }, 300) |
| 177 | + } |
178 | 178 | }
|
179 | 179 |
|
180 |
| -export default RemoteInputElement; |
| 180 | +export default RemoteInputElement |
181 | 181 |
|
182 | 182 | declare global {
|
183 | 183 | // eslint-disable-next-line no-unused-vars
|
184 | 184 | interface Window {
|
185 |
| - RemoteInputElement: typeof RemoteInputElement; |
| 185 | + RemoteInputElement: typeof RemoteInputElement |
186 | 186 | }
|
187 | 187 | }
|
188 | 188 |
|
189 |
| -if (!window.customElements.get("remote-input")) { |
190 |
| - window.RemoteInputElement = RemoteInputElement; |
191 |
| - window.customElements.define("remote-input", RemoteInputElement); |
| 189 | +if (!window.customElements.get('remote-input')) { |
| 190 | + window.RemoteInputElement = RemoteInputElement |
| 191 | + window.customElements.define('remote-input', RemoteInputElement) |
192 | 192 | }
|
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