22 files changed, 981 insertions, 0 deletions

diff --git a/docusaurus/static/.gitlab-ci.yml b/docusaurus/static/.gitlab-ci.yml
new file mode 100644
index 0000000..9f3ba6d
--- /dev/null
+++ b/docusaurus/static/.gitlab-ci.yml
@@ -0,0 +1,19 @@
+# To contribute improvements to CI/CD templates, please follow the Development guide at:
+# https://docs.gitlab.com/ee/development/cicd/templates.html
+# This specific template is located at:
+# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
+
+# Full project: https://gitlab.com/pages/plain-html
+pages:
+  stage: deploy
+  environment: production
+  script:
+    - mkdir .public
+    - cp -r ./* .public
+    - rm -rf public
+    - mv .public public
+  artifacts:
+    paths:
+      - public
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
diff --git a/docusaurus/static/.nojekyll b/docusaurus/static/.nojekyll
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/.nojekyll
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/css/Placeholder.css b/docusaurus/static/ajax/libs/wolfree/23.7.8/css/Placeholder.css
new file mode 100644
index 0000000..b7553e2
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/css/Placeholder.css
@@ -0,0 +1,90 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+.wolfree-placeholder {
+  display: flex;
+  width: 100%;
+  justify-content: center;
+  /* padding: 26px 40px 20px; */
+  padding: 26px 0 0;
+}
+
+.wolfree-placeholder>div {
+  position: relative;
+}
+
+.wolfree-placeholder>div {
+  max-width: 780px;
+  width: 100%;
+}
+
+.wolfree-placeholder>div>div {
+  box-shadow: 0 0 10px 0 hsla(0, 0%, 80%, 0.5), 0 0 1px 0 hsla(0, 0%, 80%, 0.5);
+  border-radius: 5px;
+}
+
+.wolfree-placeholder>div>div>div {
+  min-height: 16vh;
+  background: #fdfdfd;
+  opacity: 1;
+  border-bottom: 1px solid transparent;
+}
+
+.wolfree-placeholder>div>div>div:nth-of-type(1)>div {
+  background-image: linear-gradient(90deg,
+      #f5f5f5 50%,
+      #ebebeb 60%,
+      #f5f5f5 70%);
+  border-top-left-radius: 5px;
+  border-top-right-radius: 5px;
+}
+
+.wolfree-placeholder>div>div>div:nth-of-type(2)>div {
+  background-image: linear-gradient(90deg,
+      #f5f5f5 30%,
+      #ebebeb 40%,
+      #f5f5f5 50%);
+}
+
+.wolfree-placeholder>div>div>div:nth-of-type(3)>div {
+  background-image: linear-gradient(90deg,
+      #f5f5f5 10%,
+      #ebebeb 20%,
+      #f5f5f5 30%);
+}
+
+.wolfree-placeholder>div>div>div>div {
+  height: 30px;
+  width: 100%;
+  display: flex;
+  flex-direction: row;
+  align-items: center;
+}
+
+.wolfree-placeholder>div>div>div>div {
+  background-size: 1200%;
+  -webkit-animation-duration: 3.5s;
+  animation-duration: 3.5s;
+  -webkit-animation-fill-mode: forwards;
+  animation-fill-mode: forwards;
+  -webkit-animation-iteration-count: infinite;
+  animation-iteration-count: infinite;
+  -webkit-animation-name: _QC3H;
+  animation-name: _QC3H;
+  -webkit-animation-timing-function: cubic-bezier(0.55, 0.45, 1, 1);
+  animation-timing-function: cubic-bezier(0.55, 0.45, 1, 1);
+}
+
+@keyframes _QC3H {
+  0% {
+    background-position: 100% 0;
+  }
+
+  to {
+    background-position: -100% 0;
+  }
+}
\ No newline at end of file
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/css/PodsParser.css b/docusaurus/static/ajax/libs/wolfree/23.7.8/css/PodsParser.css
new file mode 100644
index 0000000..179b1c6
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/css/PodsParser.css
@@ -0,0 +1,125 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+.wolfree-pods {
+  display: flex;
+  width: 100%;
+  justify-content: center;
+  /* padding: 26px 0 20px; */
+  padding: 26px 0 0;
+}
+
+.wolfree-pods>div {
+  position: relative;
+}
+
+.wolfree-pods>div {
+  max-width: 780px;
+  width: 100%;
+}
+
+.wolfree-pods>div>div {
+  position: relative;
+}
+
+.wolfree-pods>div>div>section {
+  box-shadow: 0 0 10px 0 hsla(0, 0%, 80%, 0.5), 0 0 1px 0 hsla(0, 0%, 80%, 0.5);
+  border-radius: 5px;
+  /* margin-bottom: 20px; */
+  margin-bottom: 0;
+}
+
+.wolfree-pods>div>div>section>section {
+  border-top-color: transparent;
+}
+
+.wolfree-pods>div>div>section>section {
+  display: flex;
+  flex-direction: column;
+  position: relative;
+  background: #f5f5f5;
+  outline: none;
+  border-color: #fff transparent;
+  border-style: solid;
+  border-width: 1px;
+}
+
+.wolfree-pods>div>div>section>section:first-child {
+  border-top-left-radius: inherit;
+  border-top-right-radius: inherit;
+}
+
+.wolfree-pods>div>div>section>section>div:is(:first-child) {
+  min-height: 30px;
+  font-size: 13px;
+  font-family: WebRoboto, Hiragino Kaku Gothic ProN, ヒラギノ角ゴ ProN, Meiryo,
+    メイリオ, Arial, Helvetica, sans-serif;
+  background: #f5f5f5;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 6px 20px;
+}
+
+.wolfree-pods>div>div>section>section>div:is(:first-child)>h2 {
+  color: #678e9c;
+  margin-right: 20px;
+}
+
+.wolfree-pods>div>div>section>section>div:is(:first-child)>select {
+  /* We style this element manually. */
+  border-radius: 4px;
+  border-style: solid;
+  border-width: thin;
+  min-height: 20px;
+  cursor: pointer;
+  color: #ff6c00;
+  background-color: #fff;
+  border-color: #ec561a;
+  touch-action: manipulation;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child) {
+  display: flex;
+  align-items: flex-end;
+  width: 100%;
+  height: 100%;
+  background: #fff;
+  border-radius: inherit;
+  padding: 6px 20px;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child)>div {
+  position: relative;
+  flex: 1 1 auto;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child)>div>img {
+  max-width: 100%;
+  /* width: 100%; */
+  width: auto;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child)>div>div>details>summary {
+  /* We style this element manually. */
+  cursor: pointer;
+  touch-action: manipulation;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child)>div>div>details>div {
+  /* We style this element manually. */
+  padding: 1rem;
+  line-height: 2;
+  touch-action: manipulation;
+}
+
+.wolfree-pods>div>div>section>section>div:not(:first-child)>div>div>details>textarea {
+  /* We style this element manually. */
+  width: 99%;
+  height: 50vh;
+  touch-action: manipulation;
+}
\ No newline at end of file
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AJAX.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AJAX.js
new file mode 100644
index 0000000..465787d
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AJAX.js
@@ -0,0 +1,56 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import SearchParams from "./SearchParams.js";
+
+export default class AJAX {
+  ajax = async ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+  } = {}) => {
+    try {
+      const data = new SearchParams().getSearchParams({
+        input,
+        extraPodstates,
+        i2d,
+      });
+
+      const options = {
+        url: "https://api.wolframalpha.com/v2/query",
+        dataType: "jsonp",
+        traditional: true,
+        data,
+      };
+
+      try {
+        /**
+         * https://www.npmjs.com/package/@types/jquery
+         * @type {import('jQuery')}
+         */
+        const response = await jQuery.ajax(options);
+        return (
+          console.assert(response instanceof Object),
+          console.assert(response.hasOwnProperty("queryresult")),
+          { response }
+        );
+      } catch (error) {
+        return (
+          console.error(
+            { error },
+            "We encountered an issue while attempting to retrieve a response from the Wolfram Alpha API using the jQuery library."
+          ),
+          { error }
+        );
+      }
+    } catch (error) {
+      return console.error({ error }), { error };
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AppID.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AppID.js
new file mode 100644
index 0000000..070e4e1
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/AppID.js
@@ -0,0 +1,57 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+// To generate a new AppID:
+//  1. Open Tor Browser and go to: https://products.wolframalpha.com/api/
+//  2. Click the orangish "Get API Access" button. You will go to: https://account.wolfram.com/login/oauth2/sign-in
+//  3. Click the reddish "Create one" hyperlink to create a new Wolfram ID. You will go to: https://account.wolfram.com/login/create
+//  4. Fill out the form using random alphanumeric characters.
+//  5. Click the reddish "Create Wolfram ID" button. You will go to: https://developer.wolframalpha.com/portal/myapps/index.html
+//  6. Click the orangish "Sign up to get your first AppID" button.
+//  7. Fill out the form using random alphanumeric characters.
+//  8. Click the orangish "Sign up" button.
+//  9. Click the orangish "Get an AppID" button.
+// 10. Fill out the form using random alphanumeric characters.
+// 11. Click the orangish "Get AppID" button.
+
+export default class AppID {
+  appIDArray = Array();
+
+  constructor(
+    appIDArray = ["H9V325-HTALUWHKGK", "AKJTJT-LR5LL8WTG6", "LKY83U-XW6ATU9URU"]
+  ) {
+    (this.appIDArray = appIDArray),
+      Array.from(this.appIDArray).forEach(
+        (appID) => (
+          console.assert(17 === appID.length),
+          console.assert(/[0-9A-Z]{6}-[0-9A-Z]{10}/.test(appID))
+        )
+      );
+  }
+
+  getAppID = ({
+    appID = this.appIDArray[this.getRandomInt() % this.appIDArray.length],
+  } = {}) => {
+    try {
+      return appID;
+    } catch (error) {
+      return console.error({ error }), String();
+    }
+  };
+
+  getRandomInt = ({
+    randomInt = crypto.getRandomValues(new Uint32Array(1))[0],
+  } = {}) => {
+    try {
+      return randomInt;
+    } catch (error) {
+      return console.error({ error }), Number();
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Entrypoint.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Entrypoint.js
new file mode 100644
index 0000000..0fe9d31
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Entrypoint.js
@@ -0,0 +1,26 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import Processor from "./Processor.js";
+import Preprocessor from "./Preprocessor.js";
+import PostProcessor from "./PostProcessor.js";
+
+export default async ({
+  input = String(),
+  i2d = Boolean(),
+  extraPodstates = Array(),
+} = {}) => {
+  try {
+    new Preprocessor().process();
+    await new Processor().process({ input, i2d, extraPodstates });
+    new PostProcessor().process({ input, i2d });
+  } catch (error) {
+    console.error({ error });
+  }
+};
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js
new file mode 100644
index 0000000..d5b45a6
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Placeholder.js
@@ -0,0 +1,69 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+export default class Placeholder {
+  className = "wolfree-placeholder";
+
+  placeholderHTML = `
+      <div class="${this.className}">
+        <div>
+          <div>
+            <div><div></div></div>
+            <div><div></div></div>
+            <div><div></div></div>
+          </div>
+        </div>
+      </div>
+    `;
+
+  insert = ({
+    container = document.querySelector(
+      "html > body > #__next > div > main > main > div:nth-of-type(1)"
+    ),
+  } = {}) => {
+    try {
+      return (
+        container instanceof HTMLDivElement
+          ? container.insertAdjacentHTML("afterend", this.placeholderHTML)
+          : console.error({ container }),
+        { container }
+      );
+    } catch (error) {
+      return (
+        console.error(
+          { error },
+          "Fail to insert the skeleton placeholder components."
+        ),
+        { error }
+      );
+    }
+  };
+
+  remove = ({
+    allPlaceholders = document.querySelectorAll(
+      `html > body > #__next > div > main > main > div.${this.className}`
+    ),
+  } = {}) => {
+    try {
+      return (
+        console.assert(allPlaceholders.length === 1),
+        allPlaceholders.forEach((placeholder) => placeholder.remove()),
+        { allPlaceholders }
+      );
+    } catch (error) {
+      return (
+        console.error(
+          { error },
+          "Fail to remove the skeleton placeholder components."
+        ),
+        { error }
+      );
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Pods.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Pods.js
new file mode 100644
index 0000000..7b31e48
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Pods.js
@@ -0,0 +1,56 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+export default class Pods {
+  insert = ({
+    container = document.querySelector("main > div:nth-of-type(1)"),
+    html = String(),
+  } = {}) => {
+    try {
+      /**
+       * https://www.npmjs.com/package/@types/dompurify
+       * @type {import('DOMPurify')}
+       */
+      return (
+        container instanceof HTMLDivElement
+          ? container.insertAdjacentHTML(
+              "afterend",
+              globalThis.DOMPurify.sanitize(html)
+            )
+          : console.error({ container }),
+        { container, html }
+      );
+    } catch (error) {
+      return (
+        console.error(
+          { error },
+          "Fail to insert the results of the calculation."
+        ),
+        { error }
+      );
+    }
+  };
+
+  remove = ({
+    pods = document.querySelectorAll("main > div.wolfree-pods"),
+  } = {}) => {
+    try {
+      pods.forEach((element) => {
+        element.remove();
+      });
+      return { pods };
+    } catch (error) {
+      console.error(
+        "Fail to remove the results of the previous calculation.",
+        error
+      );
+      return { error };
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PodsParser.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PodsParser.js
new file mode 100644
index 0000000..bfb0ab0
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PodsParser.js
@@ -0,0 +1,201 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+export default class PodsParser {
+  parse = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+    response = { queryresult: { pods: Array() } },
+  } = {}) => {
+    try {
+      return { html: this.buildHTML({ input, i2d, extraPodstates, response }) };
+    } catch (error) {
+      return console.error({ error }), { error };
+    }
+  };
+
+  buildHTML = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+    response = { queryresult: { pods: Array() } },
+  } = {}) => {
+    return `
+      <div class="wolfree-pods">
+        <div>
+          <div>
+            <section>
+              ${this.parseQueryResult({ response })}
+              ${this.buildTechnicalInfo({
+                input,
+                i2d,
+                extraPodstates,
+                response,
+              })}
+            </section>
+          </div>
+        </div>
+      </div>
+    `;
+  };
+
+  parseQueryResult = ({ response = { queryresult: { pods: Array() } } }) => {
+    const { queryresult } = response;
+    const { pods } = queryresult;
+    if (pods) {
+      return pods.map(this.parsePod).join("");
+    }
+    return "";
+  };
+
+  parsePod = (
+    pod = {
+      title: String(),
+      states: Array(),
+      subpods: Array(),
+    }
+  ) => {
+    return `
+      <section>
+        ${this.buildPodHeader(pod)}
+        <div></div>
+        ${pod.subpods.map(this.buildSubpod).join("")}
+      </section>
+    `;
+  };
+
+  buildPodHeader = (pod = { title: String(), states: Array() }) => {
+    return `
+      <div>
+        <h2>${this.escapeHTML(pod.title)}</h2>
+        ${pod.states ? pod.states.map(this.buildSelectElement).join("") : ""}
+      </div>
+    `;
+  };
+
+  buildSubpod = (
+    subpod = { img: { src: String(), alt: String() }, plaintext: String() }
+  ) => {
+    return `
+      <div><div>
+        <img
+          src="${this.escapeHTML(subpod.img.src)}"
+          alt="${this.escapeHTML(subpod.img.alt)}"
+        >
+      </div></div>
+      <div style="font-family: monospace; overflow: auto;">
+        <div><div>${this.buildSubpodDetails(subpod)}</div></div>
+      </div>
+    `;
+  };
+
+  buildSubpodDetails = (subpod = { plaintext: String() }) => {
+    return `
+      <details>
+        <summary style="direction: rtl;"></summary>
+        <div><pre>${this.escapeHTML(subpod.plaintext)}</pre></div>
+        <br>
+      </details>
+    `;
+  };
+
+  buildSelectElement = (state = { value: String(), states: Array() }) => {
+    if (state.states) {
+      return `
+        <select name="pod-states">
+          <option>${this.escapeHTML(state.value)}</option>
+          ${state.states.map(this.buildOption).join("")}
+        </select>
+      `;
+    }
+    return "";
+  };
+
+  buildOption = (state = { name: String() }) => {
+    return `
+      <option>${this.escapeHTML(state.name)}</option>
+    `;
+  };
+
+  buildTechnicalInfo = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+    response = { queryresult: { pods: Array() } },
+  }) => {
+    return `
+      <section>
+        <div><h2>Technical information</h2></div>
+        <div></div>
+        <div><div><div>${this.buildTechnicalInfoDetails({
+          input,
+          i2d,
+          extraPodstates,
+          response,
+        })}</div></div></div>
+        <div></div>
+      </section>
+    `;
+  };
+
+  buildTechnicalInfoDetails = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+    response = { queryresult: { pods: Array() } },
+  }) => {
+    return `
+      <details>
+        <div>
+          If you have programming knowledge, feel free to explore the technical information provided below:
+        </div>
+        ${this.buildTextarea({ input, i2d, extraPodstates, response })}
+      </details>
+    `;
+  };
+
+  buildTextarea = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+    response = { queryresult: { pods: Array() } },
+  }) => {
+    return `
+      <textarea name="technical-information">${this.escapeHTML(
+        JSON.stringify(
+          {
+            document,
+            input,
+            i2d,
+            extraPodstates,
+            response,
+          },
+          null,
+          4
+        )
+      )}</textarea>
+    `;
+  };
+
+  escapeHTML = (unsafe = String()) => {
+    return unsafe
+      .replace(/&/g, "&amp;")
+      .replace(/</g, "&lt;")
+      .replace(/>/g, "&gt;")
+      .replace(/"/g, "&quot;")
+      .replace(/'/g, "&#039;");
+  };
+}
+
+// Can I escape HTML special chars in JavaScript? - Stack Overflow
+// https://stackoverflow.com/questions/6234773/can-i-escape-html-special-chars-in-javascript
+
+// test case:
+// https://www.wolframalpha.com/input?i=solve+%7By%27%28x%29+%3D+-2+y%2C+y%280%29%3D1%7D+from+0+to+10+using+r+k+f+algorithm
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PostProcessor.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PostProcessor.js
new file mode 100644
index 0000000..1061d8a
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/PostProcessor.js
@@ -0,0 +1,63 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import Placeholder from "./Placeholder.js";
+import Entrypoint from "./Entrypoint.js";
+
+export default class PostProcessor {
+  process = ({ input = String(), i2d = Boolean() } = {}) => {
+    try {
+      new Placeholder().remove();
+
+      try {
+        document
+          .querySelectorAll(
+            "html > body > div#__next > div > main > main > div.wolfree-pods > div > div > section > section > div > div > div > details > div"
+          )
+          .forEach((element = new HTMLElement()) =>
+            element.setAttribute("contenteditable", "")
+          );
+      } catch (error) {
+        console.error(
+          "Fail to make the plaintext in details tags easy to copy.",
+          error
+        );
+      }
+
+      try {
+        document
+          .querySelectorAll(
+            "html > body > div#__next > div > main > main > div.wolfree-pods > div > div > section > section > div:is(:first-child) > select"
+          )
+          .forEach((element = new HTMLSelectElement()) =>
+            element.addEventListener(
+              "change",
+              async (event = new Event(String())) =>
+                Entrypoint({
+                  input,
+                  i2d,
+                  extraPodstates: [
+                    event.target instanceof HTMLSelectElement
+                      ? event.target.value
+                      : (console.error({ event }), String()),
+                  ],
+                })
+            )
+          );
+      } catch (error) {
+        console.error(
+          "Fail to set up the drop-down menu for problem-solving strategies.",
+          error
+        );
+      }
+    } catch (error) {
+      console.error({ error });
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Preprocessor.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Preprocessor.js
new file mode 100644
index 0000000..5d88bbc
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Preprocessor.js
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import Placeholder from "./Placeholder.js";
+import Pods from "./Pods.js";
+
+export default class Preprocessor {
+  process = () => {
+    try {
+      try {
+        window.scroll(0, 0);
+      } catch (error) {
+        console.error({ error }, "Fail to scroll to the top of the webpage.");
+      }
+
+      new Placeholder().insert();
+
+      new Pods().remove();
+    } catch (error) {
+      console.error({ error });
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Processor.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Processor.js
new file mode 100644
index 0000000..eaf9c2a
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/Processor.js
@@ -0,0 +1,54 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import AJAX from "./AJAX.js";
+import PodsParser from "./PodsParser.js";
+import Pods from "./Pods.js";
+
+export default class Processor {
+  process = async ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+  } = {}) => {
+    try {
+      const { response } = await new AJAX().ajax({
+        input,
+        i2d,
+        extraPodstates,
+      });
+
+      try {
+        const { html } = new PodsParser().parse({
+          input,
+          i2d,
+          extraPodstates,
+          /** @type {any} */
+          response,
+        });
+
+        try {
+          new Pods().remove();
+        } catch (error) {
+          console.error(error);
+        }
+
+        try {
+          new Pods().insert({ html });
+        } catch (error) {
+          console.error(error);
+        }
+      } catch (error) {
+        console.error(error);
+      }
+    } catch (error) {
+      console.error(error);
+    }
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/SearchParams.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/SearchParams.js
new file mode 100644
index 0000000..828d06f
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/SearchParams.js
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+import AppID from "./AppID.js";
+
+export default class SearchParams {
+  constructor({ getAppID = new AppID().getAppID } = {}) {
+    this.getAppID = getAppID;
+  }
+
+  getSearchParams = ({
+    input = String(),
+    i2d = Boolean(),
+    extraPodstates = Array(),
+  } = {}) => {
+    const appid = this.getAppID();
+    return {
+      ...(appid && { appid }),
+      ...(input && { input }),
+      ...(i2d && { i2d }),
+      podstate: [
+        "Step-by-step solution",
+        "Step-by-step",
+        "Show all steps",
+        ...extraPodstates,
+        // Note: extraPodstates must be the last item in the array.
+        // Otherwise, the Wolfram Alpha API may ignore the pod states in extraPodstates.
+      ],
+      output: "json",
+      reinterpret: true,
+      podtimeout: 30,
+      scantimeout: 30,
+      parsetimeout: 30,
+      totaltimeout: 30,
+      formattimeout: 30,
+    };
+  };
+}
diff --git a/docusaurus/static/ajax/libs/wolfree/23.7.8/js/onload.js b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/onload.js
new file mode 100644
index 0000000..5767c4e
--- /dev/null
+++ b/docusaurus/static/ajax/libs/wolfree/23.7.8/js/onload.js
@@ -0,0 +1,51 @@
+/**
+ * @license
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ * This file is part of Wolfree.
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ */
+
+// @ts-check
+
+export default addEventListener(
+  "load",
+  () => (
+    setTimeout(
+      () =>
+        document
+          .querySelectorAll(
+            "html > body > #__next > div > main > main > div > div > section > form > div > div > input"
+          )
+          .forEach((input) =>
+            input instanceof HTMLInputElement
+              ? input.focus()
+              : console.error({ input })
+          ),
+      1000
+    ),
+    [
+      () =>
+        document
+          .querySelectorAll(
+            'html > body > #__next > div > main > main > div > div > div > section > section > div:is(:first-child) > ul > li'
+          )
+          .forEach(
+            (li) =>
+              li.innerHTML.includes("Step-by-step") &&
+              (li instanceof HTMLElement
+                ? (li.style.display = "none")
+                : console.error({ li }))
+          ),
+      () =>
+        (document.title = document.title.replace(
+          "- Wolfram|Alpha",
+          "- Free Wolfram|Alpha Step-by-step Solution - Wolfree"
+        )),
+    ].forEach(
+      (callback) => (
+        setInterval(callback, 2000), addEventListener("click", callback)
+      )
+    ),
+    scroll(0, 0)
+  )
+);
diff --git a/docusaurus/static/instances.json b/docusaurus/static/instances.json
new file mode 100644
index 0000000..30ac2ea
--- /dev/null
+++ b/docusaurus/static/instances.json
@@ -0,0 +1,41 @@
+{
+  "wolfree": {
+    "clearnet": [
+      "https://wolfree.chickenkiller.com/",
+      "https://wolfree.crabdance.com/",
+      "https://wolfree.gitlab.io/",
+      "https://wolfree.glitch.me/",
+      "https://wolfree.ignorelist.com/",
+      "https://wolfree.jumpingcrab.com/",
+      "https://wolfree.my.to/",
+      "https://wolfree.netlify.app/",
+      "https://wolfree.on.fleek.co/",
+      "https://wolfree.onrender.com/",
+      "https://wolfree.pages.dev/",
+      "https://wolfree.privatedns.org/",
+      "https://wolfree.strangled.net/",
+      "https://wolfree.twilightparadox.com/",
+      "https://wolfree.uk.to/",
+      "https://wolfree.us.to/",
+      "https://wolfreealpha.chickenkiller.com/",
+      "https://wolfreealpha.crabdance.com/",
+      "https://wolfreealpha.gitlab.io/",
+      "https://wolfreealpha.glitch.me/",
+      "https://wolfreealpha.ignorelist.com/",
+      "https://wolfreealpha.jumpingcrab.com/",
+      "https://wolfreealpha.my.to/",
+      "https://wolfreealpha.netlify.app/",
+      "https://wolfreealpha.on.fleek.co/",
+      "https://wolfreealpha.onrender.com/",
+      "https://wolfreealpha.pages.dev/",
+      "https://wolfreealpha.privatedns.org/",
+      "https://wolfreealpha.strangled.net/",
+      "https://wolfreealpha.twilightparadox.com/",
+      "https://wolfreealpha.uk.to/",
+      "https://wolfreealpha.us.to/"
+    ],
+    "tor": [],
+    "i2p": [],
+    "loki": []
+  }
+}
diff --git a/docusaurus/static/n/v1/api/autocomplete/index.html b/docusaurus/static/n/v1/api/autocomplete/index.html
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/n/v1/api/autocomplete/index.html
diff --git a/docusaurus/static/n/v1/api/randomizer b/docusaurus/static/n/v1/api/randomizer
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/n/v1/api/randomizer
diff --git a/docusaurus/static/n/v1/api/samplefiles/fileinput/examples b/docusaurus/static/n/v1/api/samplefiles/fileinput/examples
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/n/v1/api/samplefiles/fileinput/examples
diff --git a/docusaurus/static/n/v1/api/sourcer/dataSources b/docusaurus/static/n/v1/api/sourcer/dataSources
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/n/v1/api/sourcer/dataSources
diff --git a/docusaurus/static/n/v1/api/sourcer/index.html b/docusaurus/static/n/v1/api/sourcer/index.html
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/n/v1/api/sourcer/index.html
diff --git a/docusaurus/static/users/me/account b/docusaurus/static/users/me/account
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/docusaurus/static/users/me/account