@wordpress/block-library/build-module/math/edit.mjs

Block library for the WordPress editor.

// packages/block-library/src/math/edit.jsx
import { __ } from "@wordpress/i18n";
import {
  useBlockProps,
  store as blockEditorStore
} from "@wordpress/block-editor";
import { Popover } from "@wordpress/components";
import { ValidatedTextareaControl, Link } from "@wordpress/ui";
import { useState, useEffect, useRef } from "@wordpress/element";
import { useDispatch } from "@wordpress/data";
import { useEvent } from "@wordpress/compose";
import { jsx, jsxs } from "react/jsx-runtime";
function MathEdit({ attributes, setAttributes, isSelected }) {
  const { latex, mathML } = attributes;
  const [blockRef, setBlockRef] = useState();
  const [error, setError] = useState(null);
  const [latexToMathML, setLatexToMathML] = useState();
  const formRef = useRef();
  const { __unstableMarkNextChangeAsNotPersistent } = useDispatch(blockEditorStore);
  const renderLatest = useEvent((convert) => {
    if (!latex) {
      return;
    }
    try {
      const newMathML = convert(latex, { displayMode: true });
      __unstableMarkNextChangeAsNotPersistent();
      setAttributes({ mathML: newMathML });
    } catch (err) {
      setError(err.message);
    }
  });
  useEffect(() => {
    import("@wordpress/latex-to-mathml").then((module) => {
      setLatexToMathML(() => module.default);
      renderLatest(module.default);
    });
  }, [renderLatest]);
  const blockProps = useBlockProps({
    ref: setBlockRef,
    position: "relative"
  });
  return /* @__PURE__ */ jsxs("div", { ...blockProps, children: [
    mathML ? /* @__PURE__ */ jsx(
      "math",
      {
        display: "block",
        dangerouslySetInnerHTML: { __html: mathML }
      }
    ) : (
      // Show the source until it renders, as the front end does.
      /* @__PURE__ */ jsx("math", { display: "block", children: /* @__PURE__ */ jsx("semantics", { children: /* @__PURE__ */ jsx("annotation", { encoding: "application/x-tex", children: latex || "​" }) }) })
    ),
    isSelected && /* @__PURE__ */ jsx(
      Popover,
      {
        placement: "bottom-start",
        offset: 8,
        anchor: blockRef,
        focusOnMount: false,
        onFocusOutside: () => formRef.current?.reportValidity(),
        __unstableSlotName: "__unstable-block-tools-after",
        children: /* @__PURE__ */ jsxs(
          "form",
          {
            ref: formRef,
            style: { padding: "16px", minWidth: "300px" },
            onSubmit: (event) => event.preventDefault(),
            children: [
              /* @__PURE__ */ jsx(
                ValidatedTextareaControl,
                {
                  label: __("LaTeX math syntax"),
                  value: latex ?? "",
                  className: "wp-block-math__textarea-control",
                  customValidity: error ? { type: "invalid", message: error } : void 0,
                  onValueChange: (newLatex) => {
                    if (!latexToMathML) {
                      setAttributes({
                        latex: newLatex,
                        mathML: ""
                      });
                      return;
                    }
                    let newMathML = "";
                    try {
                      newMathML = latexToMathML(newLatex, {
                        displayMode: true
                      });
                      setError(null);
                    } catch (err) {
                      setError(err.message);
                    }
                    setAttributes({
                      mathML: newMathML,
                      latex: newLatex
                    });
                  },
                  placeholder: __(
                    "e.g., x^2, \\frac{a}{b}, \\sqrt{x}"
                  )
                }
              ),
              /* @__PURE__ */ jsx(
                Link,
                {
                  openInNewTab: true,
                  className: "wp-block-math__learn-more",
                  href: __(
                    "https://wordpress.org/documentation/article/math-block/"
                  ),
                  children: __("Learn more about LaTeX syntax")
                }
              )
            ]
          }
        )
      }
    )
  ] });
}
export {
  MathEdit as default
};
//# sourceMappingURL=edit.mjs.map