@giscus/react
Version:
See [giscus-component][giscus-component] for more details.
952 lines (950 loc) • 33.6 kB
JavaScript
/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
let O = class extends E {
constructor() {
super(...arguments), this.renderOptions = { host: this }, this._$Do = void 0;
}
createRenderRoot() {
var e;
const t = super.createRenderRoot();
return (e = this.renderOptions).renderBefore ?? (e.renderBefore = t.firstChild), t;
}
update(t) {
const e = this.render();
this.hasUpdated || (this.renderOptions.isConnected = this.isConnected), super.update(t), this._$Do = Rt(e, this.renderRoot, this.renderOptions);
}
connectedCallback() {
var t;
super.connectedCallback(), (t = this._$Do) == null || t.setConnected(!0);
}
disconnectedCallback() {
var t;
super.disconnectedCallback(), (t = this._$Do) == null || t.setConnected(!1);
}
render() {
return b;
}
};
var ot;
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const G = globalThis.litElementPolyfillSupport;
G == null || G({ LitElement: O });
(globalThis.litElementVersions ?? (globalThis.litElementVersions = [])).push("4.1.1");
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const It = (i) => (t, e) => {
e !== void 0 ? e.addInitializer(() => {
customElements.define(i, t);
}) : customElements.define(i, t);
};
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const xt = { attribute: !0, type: String, converter: L, reflect: !1, hasChanged: K }, Ht = (i = xt, t, e) => {
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t.set.call(this, a), this.requestUpdate(n, h, i);
}, init(a) {
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} };
}
if (s === "setter") {
const { name: n } = e;
return function(a) {
const h = this[n];
t.call(this, a), this.requestUpdate(n, h, i);
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}
throw Error("Unsupported decorator location: " + s);
};
function _(i) {
return (t, e) => typeof e == "object" ? Ht(i, t, e) : ((s, r, o) => {
const n = r.hasOwnProperty(o);
return r.constructor.createProperty(o, n ? { ...s, wrapped: !0 } : s), n ? Object.getOwnPropertyDescriptor(r, o) : void 0;
})(i, t, e);
}
/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const Lt = (i) => i.strings === void 0;
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const kt = { ATTRIBUTE: 1, CHILD: 2, PROPERTY: 3, BOOLEAN_ATTRIBUTE: 4, EVENT: 5, ELEMENT: 6 }, Dt = (i) => (...t) => ({ _$litDirective$: i, values: t });
let zt = class {
constructor(t) {
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get _$AU() {
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this._$Ct = t, this._$AM = e, this._$Ci = s;
}
_$AS(t, e) {
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}
update(t, e) {
return this.render(...e);
}
};
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const T = (i, t) => {
var s;
const e = i._$AN;
if (e === void 0) return !1;
for (const r of e) (s = r._$AO) == null || s.call(r, t, !1), T(r, t);
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}, D = (i) => {
let t, e;
do {
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e = t._$AN, e.delete(i), i = t;
} while ((e == null ? void 0 : e.size) === 0);
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e.add(i), jt(t);
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else s != null && (T(s, !1), D(s));
else T(this, i);
}
const jt = (i) => {
i.type == kt.CHILD && (i._$AP ?? (i._$AP = Bt), i._$AQ ?? (i._$AQ = Yt));
};
class Gt extends zt {
constructor() {
super(...arguments), this._$AN = void 0;
}
_$AT(t, e, s) {
super._$AT(t, e, s), pt(this), this.isConnected = t._$AU;
}
_$AO(t, e = !0) {
var s, r;
t !== this.isConnected && (this.isConnected = t, t ? (s = this.reconnected) == null || s.call(this) : (r = this.disconnected) == null || r.call(this)), e && (T(this, t), D(this));
}
setValue(t) {
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e[this._$Ci] = t, this._$Ct._$AI(e, this, 0);
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}
disconnected() {
}
reconnected() {
}
}
/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const Wt = () => new Vt();
class Vt {
}
const W = /* @__PURE__ */ new WeakMap(), qt = Dt(class extends Gt {
render(i) {
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update(i, [t]) {
var s;
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}
rt(i) {
if (this.isConnected || (i = void 0), typeof this.Y == "function") {
const t = this.ht ?? globalThis;
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} else this.Y.value = i;
}
get lt() {
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disconnected() {
this.lt === this.ct && this.rt(void 0);
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reconnected() {
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var Kt = Object.defineProperty, Ft = Object.getOwnPropertyDescriptor, $ = (i, t, e, s) => {
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(n = i[o]) && (r = (s ? n(t, e, r) : n(r)) || r);
return s && r && Kt(t, e, r), r;
};
function Jt(i) {
return customElements.get(i) ? (t) => t : It(i);
}
let p = class extends O {
constructor() {
super(), this.GISCUS_SESSION_KEY = "giscus-session", this.GISCUS_DEFAULT_HOST = "https://giscus.app", this.ERROR_SUGGESTION = "Please consider reporting this error at https://github.com/giscus/giscus/issues/new.", this.__session = "", this._iframeRef = Wt(), this.messageEventHandler = this.handleMessageEvent.bind(this), this.hasLoaded = !1, this.host = this.GISCUS_DEFAULT_HOST, this.strict = "0", this.reactionsEnabled = "1", this.emitMetadata = "0", this.inputPosition = "bottom", this.theme = "light", this.lang = "en", this.loading = "eager", this.setupSession(), window.addEventListener("message", this.messageEventHandler);
}
get iframeRef() {
var i;
return (i = this._iframeRef) == null ? void 0 : i.value;
}
get _host() {
try {
return new URL(this.host), this.host;
} catch {
return this.GISCUS_DEFAULT_HOST;
}
}
disconnectedCallback() {
super.disconnectedCallback(), window.removeEventListener("message", this.messageEventHandler);
}
_formatError(i) {
return `[giscus] An error occurred. Error message: "${i}".`;
}
setupSession() {
const i = location.href, t = new URL(i), e = localStorage.getItem(this.GISCUS_SESSION_KEY), s = t.searchParams.get("giscus") ?? "";
if (this.__session = "", s) {
localStorage.setItem(this.GISCUS_SESSION_KEY, JSON.stringify(s)), this.__session = s, t.searchParams.delete("giscus"), t.hash = "", history.replaceState(void 0, document.title, t.toString());
return;
}
if (e)
try {
this.__session = JSON.parse(e);
} catch (r) {
localStorage.removeItem(this.GISCUS_SESSION_KEY), console.warn(
`${this._formatError(
r == null ? void 0 : r.message
)} Session has been cleared.`
);
}
}
signOut() {
localStorage.removeItem(this.GISCUS_SESSION_KEY), this.__session = "", this.update(/* @__PURE__ */ new Map());
}
handleMessageEvent(i) {
if (i.origin !== this._host) return;
const { data: t } = i;
if (!(typeof t == "object" && t.giscus)) return;
if (this.iframeRef && t.giscus.resizeHeight && (this.iframeRef.style.height = `${t.giscus.resizeHeight}px`), t.giscus.signOut) {
console.info("[giscus] User has logged out. Session has been cleared."), this.signOut();
return;
}
if (!t.giscus.error) return;
const e = t.giscus.error;
if (e.includes("Bad credentials") || e.includes("Invalid state value") || e.includes("State has expired")) {
if (localStorage.getItem(this.GISCUS_SESSION_KEY) !== null) {
console.warn(`${this._formatError(e)} Session has been cleared.`), this.signOut();
return;
}
console.error(
`${this._formatError(e)} No session is stored initially. ${this.ERROR_SUGGESTION}`
);
}
if (e.includes("Discussion not found")) {
console.warn(
`[giscus] ${e}. A new discussion will be created if a comment/reaction is submitted.`
);
return;
}
console.error(`${this._formatError(e)} ${this.ERROR_SUGGESTION}`);
}
sendMessage(i) {
var t;
!((t = this.iframeRef) != null && t.contentWindow) || !this.hasLoaded || this.iframeRef.contentWindow.postMessage({ giscus: i }, this._host);
}
updateConfig() {
const i = {
setConfig: {
repo: this.repo,
repoId: this.repoId,
category: this.category,
categoryId: this.categoryId,
term: this.getTerm(),
number: +this.getNumber(),
strict: this.strict === "1",
reactionsEnabled: this.reactionsEnabled === "1",
emitMetadata: this.emitMetadata === "1",
inputPosition: this.inputPosition,
theme: this.theme,
lang: this.lang
}
};
this.sendMessage(i);
}
firstUpdated() {
var i;
(i = this.iframeRef) == null || i.addEventListener("load", () => {
var t;
(t = this.iframeRef) == null || t.classList.remove("loading"), this.hasLoaded = !0, this.updateConfig();
});
}
requestUpdate(i, t, e) {
if (!this.hasUpdated || i === "host") {
super.requestUpdate(i, t, e);
return;
}
this.updateConfig();
}
getMetaContent(i, t = !1) {
const e = t ? `meta[property='og:${i}'],` : "", s = document.querySelector(
e + `meta[name='${i}']`
);
return s ? s.content : "";
}
_getCleanedUrl() {
const i = new URL(location.href);
return i.searchParams.delete("giscus"), i.hash = "", i;
}
getTerm() {
switch (this.mapping) {
case "url":
return this._getCleanedUrl().toString();
case "title":
return document.title;
case "og:title":
return this.getMetaContent("title", !0);
case "specific":
return this.term ?? "";
case "number":
return "";
case "pathname":
default:
return location.pathname.length < 2 ? "index" : location.pathname.substring(1).replace(/\.\w+$/, "");
}
}
getNumber() {
return this.mapping === "number" ? this.term ?? "" : "";
}
getIframeSrc() {
const i = this._getCleanedUrl().toString(), t = `${i}${this.id ? "#" + this.id : ""}`, e = this.getMetaContent("description", !0), s = this.getMetaContent("giscus:backlink") || i, r = {
origin: t,
session: this.__session,
repo: this.repo,
repoId: this.repoId ?? "",
category: this.category ?? "",
categoryId: this.categoryId ?? "",
term: this.getTerm(),
number: this.getNumber(),
strict: this.strict,
reactionsEnabled: this.reactionsEnabled,
emitMetadata: this.emitMetadata,
inputPosition: this.inputPosition,
theme: this.theme,
description: e,
backLink: s
}, o = this._host, n = this.lang ? `/${this.lang}` : "", a = new URLSearchParams(r);
return `${o}${n}/widget?${a.toString()}`;
}
render() {
return wt`
<iframe
title="Comments"
scrolling="no"
class="loading"
${qt(this._iframeRef)}
src=${this.getIframeSrc()}
loading=${this.loading}
allow="clipboard-write"
part="iframe"
></iframe>
`;
}
};
p.styles = $t`
:host,
iframe {
width: 100%;
border: none;
min-height: 150px;
color-scheme: light dark;
}
iframe.loading {
opacity: 0;
}
`;
$([
_({ reflect: !0 })
], p.prototype, "host", 2);
$([
_({ reflect: !0 })
], p.prototype, "repo", 2);
$([
_({ reflect: !0 })
], p.prototype, "repoId", 2);
$([
_({ reflect: !0 })
], p.prototype, "category", 2);
$([
_({ reflect: !0 })
], p.prototype, "categoryId", 2);
$([
_({ reflect: !0 })
], p.prototype, "mapping", 2);
$([
_({ reflect: !0 })
], p.prototype, "term", 2);
$([
_({ reflect: !0 })
], p.prototype, "strict", 2);
$([
_({ reflect: !0 })
], p.prototype, "reactionsEnabled", 2);
$([
_({ reflect: !0 })
], p.prototype, "emitMetadata", 2);
$([
_({ reflect: !0 })
], p.prototype, "inputPosition", 2);
$([
_({ reflect: !0 })
], p.prototype, "theme", 2);
$([
_({ reflect: !0 })
], p.prototype, "lang", 2);
$([
_({ reflect: !0 })
], p.prototype, "loading", 2);
p = $([
Jt("giscus-widget")
], p);
export {
p as GiscusWidget
};