@wordpress/blocks/build/api/raw-handling/latex-to-math.js

Block API for WordPress.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
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 __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/blocks/src/api/raw-handling/latex-to-math.js
var latex_to_math_exports = {};
__export(latex_to_math_exports, {
  default: () => isLatexMathMode
});
module.exports = __toCommonJS(latex_to_math_exports);
function isLatexMathMode(text) {
  const lettersRegex = /[\p{L}\s]+/gu;
  let match;
  while (match = lettersRegex.exec(text)) {
    if (text[match.index - 1] === "{") {
      continue;
    }
    let sequence = match[0];
    if (text[match.index - 1] === "\\") {
      sequence = sequence.replace(/^[a-zA-Z]+/, "");
    }
    if (sequence.length < 6) {
      continue;
    }
    return false;
  }
  if (/\\[a-zA-Z]+\s*\{/g.test(text)) {
    return true;
  }
  const softClues = [
    (t) => t.includes("^") && !t.startsWith("^"),
    (t) => ["=", "+", "-", "/", "*"].some(
      (operator) => t.includes(operator)
    ),
    (t) => /\\[a-zA-Z]+/g.test(t)
  ];
  if (softClues.filter((clue) => clue(text)).length >= 2) {
    return true;
  }
  return false;
}
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