Docusaurus: fix/da-180 code width

src/css/admonition.css

@@ -61,6 +61,12 @@
 [data-theme='dark'] {
     --if-alert-color: white;
 }
+
+.alert {
+    width: max-content;
+    max-width: 100%;
+}
+
 [data-theme='dark'] .alert {
     --ifm-link-hover-color: #5196d7;
 }

src/theme/CodeBlock/Container/index.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+import clsx from 'clsx';
+import {ThemeClassNames, usePrismTheme} from '@docusaurus/theme-common';
+import {getPrismCssVariables} from '@docusaurus/theme-common/internal';
+import styles from './styles.module.scss';
+export default function CodeBlockContainer({as: As, ...props}) {
+  const prismTheme = usePrismTheme();
+  const prismCssVariables = getPrismCssVariables(prismTheme);
+  return (
+    <As
+      // Polymorphic components are hard to type, without `oneOf` generics
+      {...props}
+      style={prismCssVariables}
+      className={clsx(
+        props.className,
+        styles.codeBlockContainer,
+        ThemeClassNames.common.codeBlock,
+      )}
+    />
+  );
+}

src/theme/CodeBlock/Container/styles.module.scss

@@ -0,0 +1,27 @@
+.codeBlockContainer {
+  background: var(--prism-background-color);
+  color: var(--prism-color);
+  margin-bottom: var(--ifm-leading);
+  box-shadow: var(--ifm-global-shadow-lw);
+  border-radius: var(--ifm-code-border-radius);
+  width: max-content;
+  max-width: 100%;
+
+  ::-webkit-scrollbar {
+    width: 0.4rem;
+    height: 0.4rem;
+    background-color: transparent;
+  }
+  ::-webkit-scrollbar-thumb {
+    border-radius: 10px;
+    background-color: #c5c6c8;
+  }
+  ::-webkit-scrollbar-track {
+    border-radius: 10px;
+    background-color: transparent;
+  }
+  ::-webkit-scrollbar-corner {
+    background-color: transparent;
+    border-color: transparent;
+  }
+}

src/theme/CodeBlock/Content/Element.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import clsx from 'clsx';
+import styles from './styles.module.css';
+import Container from '../Container';
+// <pre> tags in markdown map to CodeBlocks. They may contain JSX children. When
+// the children is not a simple string, we just return a styled block without
+// actually highlighting.
+export default function CodeBlockJSX({children, className}) {
+  return (
+    <Container
+      as="pre"
+      tabIndex={0}
+      className={clsx(styles.codeBlockStandalone, 'thin-scrollbar', className)}>
+      <code className={styles.codeBlockLines}>{children}</code>
+    </Container>
+  );
+}

src/theme/CodeBlock/Content/String.tsx

@@ -0,0 +1,101 @@
+import React from 'react';
+import clsx from 'clsx';
+import {useThemeConfig, usePrismTheme} from '@docusaurus/theme-common';
+import {
+  parseCodeBlockTitle,
+  parseLanguage,
+  parseLines,
+  containsLineNumbers,
+  useCodeWordWrap,
+} from '@docusaurus/theme-common/internal';
+import {Highlight} from 'prism-react-renderer';
+import styles from './styles.module.css';
+import Container from '../Container';
+import WordWrapButton from '../WordWrapButton';
+import CopyButton from '../CopyButton';
+import Line from '../Line';
+// Prism languages are always lowercase
+// We want to fail-safe and allow both "php" and "PHP"
+// See https://github.com/facebook/docusaurus/issues/9012
+function normalizeLanguage(language) {
+  return language?.toLowerCase();
+}
+export default function CodeBlockString({
+  children,
+  className: blockClassName = '',
+  metastring,
+  title: titleProp,
+  showLineNumbers: showLineNumbersProp,
+  language: languageProp,
+}) {
+  const {
+    prism: {defaultLanguage, magicComments},
+  } = useThemeConfig();
+  const language = normalizeLanguage(
+    languageProp ?? parseLanguage(blockClassName) ?? defaultLanguage,
+  );
+  const prismTheme = usePrismTheme();
+  const wordWrap = useCodeWordWrap();
+  // We still parse the metastring in case we want to support more syntax in the
+  // future. Note that MDX doesn't strip quotes when parsing metastring:
+  // "title=\"xyz\"" => title: "\"xyz\""
+  const title = parseCodeBlockTitle(metastring) || titleProp;
+  const {lineClassNames, code} = parseLines(children, {
+    metastring,
+    language,
+    magicComments,
+  });
+  const showLineNumbers =
+    showLineNumbersProp ?? containsLineNumbers(metastring);
+  return (
+    <Container
+      as="div"
+      className={clsx(
+        blockClassName,
+        language &&
+          !blockClassName.includes(`language-${language}`) &&
+          `language-${language}`,
+      )}>
+      {title && <div className={styles.codeBlockTitle}>{title}</div>}
+      <div className={styles.codeBlockContent}>
+        <Highlight theme={prismTheme} code={code} language={language ?? 'text'}>
+          {({className, style, tokens, getLineProps, getTokenProps}) => (
+            <pre
+              /* eslint-disable-next-line jsx-a11y/no-noninteractive-tabindex */
+              tabIndex={0}
+              ref={wordWrap.codeBlockRef}
+              className={clsx(className, styles.codeBlock, 'thin-scrollbar')}
+              style={style}>
+              <code
+                className={clsx(
+                  styles.codeBlockLines,
+                  showLineNumbers && styles.codeBlockLinesWithNumbering,
+                )}>
+                {tokens.map((line, i) => (
+                  <Line
+                    key={i}
+                    line={line}
+                    getLineProps={getLineProps}
+                    getTokenProps={getTokenProps}
+                    classNames={lineClassNames[i]}
+                    showLineNumbers={showLineNumbers}
+                  />
+                ))}
+              </code>
+            </pre>
+          )}
+        </Highlight>
+        <div className={styles.buttonGroup}>
+          {(wordWrap.isEnabled || wordWrap.isCodeScrollable) && (
+            <WordWrapButton
+              className={styles.codeButton}
+              onClick={() => wordWrap.toggle()}
+              isEnabled={wordWrap.isEnabled}
+            />
+          )}
+          <CopyButton className={styles.codeButton} code={code} />
+        </div>
+      </div>
+    </Container>
+  );
+}

src/theme/CodeBlock/Content/styles.module.css

@@ -0,0 +1,80 @@
+.codeBlockContent {
+  position: relative;
+  /* rtl:ignore */
+  direction: ltr;
+  border-radius: inherit;
+}
+
+.codeBlockTitle {
+  border-bottom: 1px solid var(--ifm-color-emphasis-300);
+  font-size: var(--ifm-code-font-size);
+  font-weight: 500;
+  padding: 0.75rem var(--ifm-pre-padding);
+  border-top-left-radius: inherit;
+  border-top-right-radius: inherit;
+}
+
+.codeBlock {
+  --ifm-pre-background: var(--prism-background-color);
+  margin: 0;
+  padding-bottom: 0 !important;
+}
+
+.codeBlockTitle + .codeBlockContent .codeBlock {
+  border-top-left-radius: 0;
+  border-top-right-radius: 0;
+}
+
+.codeBlockStandalone {
+  padding: 0;
+}
+
+.codeBlockLines {
+  font: inherit;
+  /* rtl:ignore */
+  float: left;
+  min-width: 100%;
+  padding: var(--ifm-pre-padding);
+}
+
+.codeBlockLinesWithNumbering {
+  display: table;
+  padding: var(--ifm-pre-padding) 0;
+}
+
+@media print {
+  .codeBlockLines {
+    white-space: pre-wrap;
+  }
+}
+
+.buttonGroup {
+  display: flex;
+  column-gap: 0.2rem;
+  position: absolute;
+  /* rtl:ignore */
+  right: calc(var(--ifm-pre-padding) / 2);
+  top: calc(var(--ifm-pre-padding) / 2);
+}
+
+.buttonGroup button {
+  display: flex;
+  align-items: center;
+  background: var(--prism-background-color);
+  color: var(--prism-color);
+  border: 1px solid var(--ifm-color-emphasis-300);
+  border-radius: var(--ifm-global-radius);
+  padding: 0.4rem;
+  line-height: 0;
+  transition: opacity var(--ifm-transition-fast) ease-in-out;
+  opacity: 0;
+}
+
+.buttonGroup button:focus-visible,
+.buttonGroup button:hover {
+  opacity: 1 !important;
+}
+
+:global(.theme-code-block:hover) .buttonGroup button {
+  opacity: 0.4;
+}

src/theme/CodeBlock/CopyButton/index.js

@@ -0,0 +1,53 @@
+import React, {useCallback, useState, useRef, useEffect} from 'react';
+import clsx from 'clsx';
+import copy from 'copy-text-to-clipboard';
+import {translate} from '@docusaurus/Translate';
+import IconCopy from '@theme/Icon/Copy';
+import IconSuccess from '@theme/Icon/Success';
+import styles from './styles.module.css';
+export default function CopyButton({code, className}) {
+  const [isCopied, setIsCopied] = useState(false);
+  const copyTimeout = useRef(undefined);
+  const handleCopyCode = useCallback(() => {
+    copy(code);
+    setIsCopied(true);
+    copyTimeout.current = window.setTimeout(() => {
+      setIsCopied(false);
+    }, 1000);
+  }, [code]);
+  useEffect(() => () => window.clearTimeout(copyTimeout.current), []);
+  return (
+    <button
+      type="button"
+      aria-label={
+        isCopied
+          ? translate({
+              id: 'theme.CodeBlock.copied',
+              message: 'Copied',
+              description: 'The copied button label on code blocks',
+            })
+          : translate({
+              id: 'theme.CodeBlock.copyButtonAriaLabel',
+              message: 'Copy code to clipboard',
+              description: 'The ARIA label for copy code blocks button',
+            })
+      }
+      title={translate({
+        id: 'theme.CodeBlock.copy',
+        message: 'Copy',
+        description: 'The copy button label on code blocks',
+      })}
+      className={clsx(
+        'clean-btn',
+        className,
+        styles.copyButton,
+        isCopied && styles.copyButtonCopied,
+      )}
+      onClick={handleCopyCode}>
+      <span className={styles.copyButtonIcons} aria-hidden="true">
+        <IconCopy className={styles.copyButtonIcon} />
+        <IconSuccess className={styles.copyButtonSuccessIcon} />
+      </span>
+    </button>
+  );
+}

src/theme/CodeBlock/CopyButton/styles.module.css

@@ -0,0 +1,40 @@
+:global(.theme-code-block:hover) .copyButtonCopied {
+  opacity: 1 !important;
+}
+
+.copyButtonIcons {
+  position: relative;
+  width: 1.125rem;
+  height: 1.125rem;
+}
+
+.copyButtonIcon,
+.copyButtonSuccessIcon {
+  position: absolute;
+  top: 0;
+  left: 0;
+  fill: currentColor;
+  opacity: inherit;
+  width: inherit;
+  height: inherit;
+  transition: all var(--ifm-transition-fast) ease;
+}
+
+.copyButtonSuccessIcon {
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%) scale(0.33);
+  opacity: 0;
+  color: #00d600;
+}
+
+.copyButtonCopied .copyButtonIcon {
+  transform: scale(0.33);
+  opacity: 0;
+}
+
+.copyButtonCopied .copyButtonSuccessIcon {
+  transform: translate(-50%, -50%) scale(1);
+  opacity: 1;
+  transition-delay: 0.075s;
+}

src/theme/CodeBlock/Line/index.js

@@ -0,0 +1,34 @@
+import React from 'react';
+import clsx from 'clsx';
+import styles from './styles.module.css';
+export default function CodeBlockLine({
+  line,
+  classNames,
+  showLineNumbers,
+  getLineProps,
+  getTokenProps,
+}) {
+  if (line.length === 1 && line[0].content === '\n') {
+    line[0].content = '';
+  }
+  const lineProps = getLineProps({
+    line,
+    className: clsx(classNames, showLineNumbers && styles.codeLine),
+  });
+  const lineTokens = line.map((token, key) => (
+    <span key={key} {...getTokenProps({token, key})} />
+  ));
+  return (
+    <span {...lineProps}>
+      {showLineNumbers ? (
+        <>
+          <span className={styles.codeLineNumber} />
+          <span className={styles.codeLineContent}>{lineTokens}</span>
+        </>
+      ) : (
+        lineTokens
+      )}
+      <br />
+    </span>
+  );
+}