FM / util

/opt/canhelp/node_modules/sucrase/dist/esm/util/

/opt/canhelp/node_modules/sucrase/dist/esm/util

Name	Size	Mode	Actions
elideImportEquals.js	627	0644	edit dl rm
formatTokens.js	2138	0644	edit dl rm
getClassInfo.js	10849	0644	edit dl rm
getDeclarationInfo.js	1381	0644	edit dl rm
getIdentifierNames.js	369	0644	edit dl rm
getImportExportSpecifierInfo.js	2005	0644	edit dl rm
getJSXPragmaInfo.js	494	0644	edit dl rm
getNonTypeIdentifiers.js	1636	0644	edit dl rm
getTSImportedNames.js	2159	0644	edit dl rm
isAsyncOperation.js	1274	0644	edit dl rm
isExportFrom.js	628	0644	edit dl rm
isIdentifier.js	1822	0644	edit dl rm
removeMaybeImportAttributes.js	599	0644	edit dl rm
shouldElideDefaultExport.js	1154	0644	edit dl rm

Edit: /opt/canhelp/node_modules/sucrase/dist/esm/util/isIdentifier.js (1822B)

import {IS_IDENTIFIER_CHAR, IS_IDENTIFIER_START} from "../parser/util/identifier";

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar
// Hard-code a list of reserved words rather than trying to use keywords or contextual keywords
// from the parser, since currently there are various exceptions, like `package` being reserved
// but unused and various contextual keywords being reserved. Note that we assume that all code
// compiled by Sucrase is in a module, so strict mode words and await are all considered reserved
// here.
const RESERVED_WORDS = new Set([
  // Reserved keywords as of ECMAScript 2015
  "break",
  "case",
  "catch",
  "class",
  "const",
  "continue",
  "debugger",
  "default",
  "delete",
  "do",
  "else",
  "export",
  "extends",
  "finally",
  "for",
  "function",
  "if",
  "import",
  "in",
  "instanceof",
  "new",
  "return",
  "super",
  "switch",
  "this",
  "throw",
  "try",
  "typeof",
  "var",
  "void",
  "while",
  "with",
  "yield",
  // Future reserved keywords
  "enum",
  "implements",
  "interface",
  "let",
  "package",
  "private",
  "protected",
  "public",
  "static",
  "await",
  // Literals that cannot be used as identifiers
  "false",
  "null",
  "true",
]);

/**
 * Determine if the given name is a legal variable name.
 *
 * This is needed when transforming TypeScript enums; if an enum key is a valid
 * variable name, it might be referenced later in the enum, so we need to
 * declare a variable.
 */
export default function isIdentifier(name) {
  if (name.length === 0) {
    return false;
  }
  if (!IS_IDENTIFIER_START[name.charCodeAt(0)]) {
    return false;
  }
  for (let i = 1; i < name.length; i++) {
    if (!IS_IDENTIFIER_CHAR[name.charCodeAt(i)]) {
      return false;
    }
  }
  return !RESERVED_WORDS.has(name);
}

import {IS_IDENTIFIER_CHAR, IS_IDENTIFIER_START} from "../parser/util/identifier"; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar // Hard-code a list of reserved words rather than trying to use keywords or contextual keywords // from the parser, since currently there are various exceptions, like `package` being reserved // but unused and various contextual keywords being reserved. Note that we assume that all code // compiled by Sucrase is in a module, so strict mode words and await are all considered reserved // here. const RESERVED_WORDS = new Set([ // Reserved keywords as of ECMAScript 2015 "break", "case", "catch", "class", "const", "continue", "debugger", "default", "delete", "do", "else", "export", "extends", "finally", "for", "function", "if", "import", "in", "instanceof", "new", "return", "super", "switch", "this", "throw", "try", "typeof", "var", "void", "while", "with", "yield", // Future reserved keywords "enum", "implements", "interface", "let", "package", "private", "protected", "public", "static", "await", // Literals that cannot be used as identifiers "false", "null", "true", ]); /** * Determine if the given name is a legal variable name. * * This is needed when transforming TypeScript enums; if an enum key is a valid * variable name, it might be referenced later in the enum, so we need to * declare a variable. */ export default function isIdentifier(name) { if (name.length === 0) { return false; } if (!IS_IDENTIFIER_START[name.charCodeAt(0)]) { return false; } for (let i = 1; i < name.length; i++) { if (!IS_IDENTIFIER_CHAR[name.charCodeAt(i)]) { return false; } } return !RESERVED_WORDS.has(name); }