@wordpress/block-library/build/math/edit.cjs

Block library for the WordPress editor.

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/block-library/src/math/edit.jsx
var edit_exports = {};
__export(edit_exports, {
  default: () => MathEdit
});
module.exports = __toCommonJS(edit_exports);
var import_i18n = require("@wordpress/i18n");
var import_block_editor = require("@wordpress/block-editor");
var import_components = require("@wordpress/components");
var import_ui = require("@wordpress/ui");
var import_element = require("@wordpress/element");
var import_data = require("@wordpress/data");
var import_compose = require("@wordpress/compose");
var import_jsx_runtime = require("react/jsx-runtime");
function MathEdit({ attributes, setAttributes, isSelected }) {
  const { latex, mathML } = attributes;
  const [blockRef, setBlockRef] = (0, import_element.useState)();
  const [error, setError] = (0, import_element.useState)(null);
  const [latexToMathML, setLatexToMathML] = (0, import_element.useState)();
  const formRef = (0, import_element.useRef)();
  const { __unstableMarkNextChangeAsNotPersistent } = (0, import_data.useDispatch)(import_block_editor.store);
  const renderLatest = (0, import_compose.useEvent)((convert) => {
    if (!latex) {
      return;
    }
    try {
      const newMathML = convert(latex, { displayMode: true });
      __unstableMarkNextChangeAsNotPersistent();
      setAttributes({ mathML: newMathML });
    } catch (err) {
      setError(err.message);
    }
  });
  (0, import_element.useEffect)(() => {
    import("@wordpress/latex-to-mathml").then((module2) => {
      setLatexToMathML(() => module2.default);
      renderLatest(module2.default);
    });
  }, [renderLatest]);
  const blockProps = (0, import_block_editor.useBlockProps)({
    ref: setBlockRef,
    position: "relative"
  });
  return /* @__PURE__ */ (0, import_jsx_runtime.jsxs)("div", { ...blockProps, children: [
    mathML ? /* @__PURE__ */ (0, import_jsx_runtime.jsx)(
      "math",
      {
        display: "block",
        dangerouslySetInnerHTML: { __html: mathML }
      }
    ) : (
      // Show the source until it renders, as the front end does.
      /* @__PURE__ */ (0, import_jsx_runtime.jsx)("math", { display: "block", children: /* @__PURE__ */ (0, import_jsx_runtime.jsx)("semantics", { children: /* @__PURE__ */ (0, import_jsx_runtime.jsx)("annotation", { encoding: "application/x-tex", children: latex || "​" }) }) })
    ),
    isSelected && /* @__PURE__ */ (0, import_jsx_runtime.jsx)(
      import_components.Popover,
      {
        placement: "bottom-start",
        offset: 8,
        anchor: blockRef,
        focusOnMount: false,
        onFocusOutside: () => formRef.current?.reportValidity(),
        __unstableSlotName: "__unstable-block-tools-after",
        children: /* @__PURE__ */ (0, import_jsx_runtime.jsxs)(
          "form",
          {
            ref: formRef,
            style: { padding: "16px", minWidth: "300px" },
            onSubmit: (event) => event.preventDefault(),
            children: [
              /* @__PURE__ */ (0, import_jsx_runtime.jsx)(
                import_ui.ValidatedTextareaControl,
                {
                  label: (0, import_i18n.__)("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: (0, import_i18n.__)(
                    "e.g., x^2, \\frac{a}{b}, \\sqrt{x}"
                  )
                }
              ),
              /* @__PURE__ */ (0, import_jsx_runtime.jsx)(
                import_ui.Link,
                {
                  openInNewTab: true,
                  className: "wp-block-math__learn-more",
                  href: (0, import_i18n.__)(
                    "https://wordpress.org/documentation/article/math-block/"
                  ),
                  children: (0, import_i18n.__)("Learn more about LaTeX syntax")
                }
              )
            ]
          }
        )
      }
    )
  ] });
}
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