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

Block API for WordPress.

{
  "version": 3,
  "sources": ["../../../src/api/raw-handling/latex-to-math.js"],
  "sourcesContent": ["export default function isLatexMathMode( text ) {\n\tconst lettersRegex = /[\\p{L}\\s]+/gu;\n\tlet match;\n\n\twhile ( ( match = lettersRegex.exec( text ) ) ) {\n\t\t// If it's immediately preceded by a left brace, it could be an\n\t\t// argument, so ignore this piece of text.\n\t\tif ( text[ match.index - 1 ] === '{' ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tlet sequence = match[ 0 ];\n\n\t\t// If it's immediately preceded by a backslash, it could be a command,\n\t\t// so ignore any leading latin script letters.\n\t\tif ( text[ match.index - 1 ] === '\\\\' ) {\n\t\t\tsequence = sequence.replace( /^[a-zA-Z]+/, '' );\n\t\t}\n\n\t\t// If there's a sequence of 6 or more letters (with whitespace), it's a\n\t\t// strong indicator that it's not LaTeX math mode.\n\t\t// We can potentially increase this is there's false negatives.\n\t\tif ( sequence.length < 6 ) {\n\t\t\tcontinue;\n\t\t}\n\n\t\treturn false;\n\t}\n\n\t// If there's a command with argument syntax, we can be pretty sure it's\n\t// LaTeX math mode.\n\tif ( /\\\\[a-zA-Z]+\\s*\\{/g.test( text ) ) {\n\t\treturn true;\n\t}\n\n\t// Otherwise, check if there's at least two soft clues:\n\t// * An exponent (e.g., x^2)\n\t// * Common mathematical operators, but don't count each one separately\n\t//   since they're also found in normal text.\n\t// * A command (e.g., \\alpha)\n\tconst softClues = [\n\t\t( t ) => t.includes( '^' ) && ! t.startsWith( '^' ),\n\t\t( t ) =>\n\t\t\t[ '=', '+', '-', '/', '*' ].some( ( operator ) =>\n\t\t\t\tt.includes( operator )\n\t\t\t),\n\t\t( t ) => /\\\\[a-zA-Z]+/g.test( t ),\n\t];\n\n\tif ( softClues.filter( ( clue ) => clue( text ) ).length >= 2 ) {\n\t\treturn true;\n\t}\n\n\treturn false;\n}\n"],
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