TODO#139890　FAQ 常見問題 1－文案調整

HelenHuang

2022-06-09 23b60dc1975db38c280d8a123aff97544d1673e0

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"use strict";
 
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isKeyword = isKeyword;
exports.isReservedWord = isReservedWord;
exports.isStrictBindOnlyReservedWord = isStrictBindOnlyReservedWord;
exports.isStrictBindReservedWord = isStrictBindReservedWord;
exports.isStrictReservedWord = isStrictReservedWord;
const reservedWords = {
  keyword: ["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete"],
  strict: ["implements", "interface", "let", "package", "private", "protected", "public", "static", "yield"],
  strictBind: ["eval", "arguments"]
};
const keywords = new Set(reservedWords.keyword);
const reservedWordsStrictSet = new Set(reservedWords.strict);
const reservedWordsStrictBindSet = new Set(reservedWords.strictBind);
 
function isReservedWord(word, inModule) {
  return inModule && word === "await" || word === "enum";
}
 
function isStrictReservedWord(word, inModule) {
  return isReservedWord(word, inModule) || reservedWordsStrictSet.has(word);
}
 
function isStrictBindOnlyReservedWord(word) {
  return reservedWordsStrictBindSet.has(word);
}
 
function isStrictBindReservedWord(word, inModule) {
  return isStrictReservedWord(word, inModule) || isStrictBindOnlyReservedWord(word);
}
 
function isKeyword(word) {
  return keywords.has(word);
}