noshift.js/dist/index.mjs

Joke language.

// src/convert.ts
var noShiftMap = {
  // "^@^@^@": "```", // マルチバックチック
  "^4^[": "${",
  // テンプレート式展開開始
  "^0": "^",
  "^1": "!",
  "^2": '"',
  "^3": "#",
  "^4": "$",
  "^5": "%",
  "^7": "'",
  "^8": "(",
  "^9": ")",
  "^-": "=",
  "^^": "~",
  "^\\": "_",
  "^@": "`",
  "^[": "{",
  "^]": "}",
  "^;": "+",
  "^:": "*",
  "^,": "<",
  "^.": ">",
  "^/": "?"
};
var symbolToNoshift = Object.fromEntries(
  Object.entries(noShiftMap).filter(([key, value]) => key.length === 2 && value.length === 1).map(([key, value]) => [value, key])
);
var keywordReplacements = [
  ["@or^-", "|="],
  ["@and^-", "&="],
  ["or^-", "||="],
  ["and^-", "&&="],
  ["@or", "|"],
  ["@and", "&"]
];
var wordKeywordReplacements = [
  ["or", "||"],
  ["and", "&&"]
];
function convertNsjsToJs(nsjsCode, options = {}) {
  const capitalizeInStrings = options.capitalizeInStrings !== false;
  let jsCode = "";
  let i = 0;
  const len_ns = nsjsCode.length;
  const STATE = {
    NORMAL: "NORMAL",
    // 普通のコード
    IN_DQ_STRING: "IN_DQ_STRING",
    // " … " の中
    IN_SQ_STRING: "IN_SQ_STRING",
    // ' … ' の中
    IN_BT_SINGLE_STRING: "IN_BT_SINGLE_STRING",
    // ` … ` の中
    IN_BT_MULTI_STRING: "IN_BT_MULTI_STRING",
    // ``` … ``` の中
    IN_TEMPLATE_EXPRESSION: "IN_TEMPLATE_EXPRESSION",
    // ${ … } の中
    RAW_DQ_IN_EXPR: "RAW_DQ_IN_EXPR",
    // テンプレート式内の " … " の中 （NoShift 変換なし）
    RAW_SQ_IN_EXPR: "RAW_SQ_IN_EXPR",
    // テンプレート式内の ' … ' の中 （NoShift 変換なし）
    IN_LINE_COMMENT: "IN_LINE_COMMENT",
    // // … の中
    IN_BLOCK_COMMENT: "IN_BLOCK_COMMENT"
    // /^: … ^:/ の中
  };
  let currentState = STATE.NORMAL;
  const stateStack = [];
  const sortedNsKeys = Object.keys(noShiftMap).sort(
    (a, b) => b.length - a.length
  );
  function tryConsumeNsjsSequence() {
    let allowGeneral = false;
    if (currentState === STATE.NORMAL || currentState === STATE.IN_TEMPLATE_EXPRESSION) {
      allowGeneral = true;
    }
    for (const nsKey of sortedNsKeys) {
      if (!nsjsCode.startsWith(nsKey, i)) continue;
      if ((nsKey === "^4^[" || nsjsCode.startsWith("^4[", i)) && (currentState === STATE.IN_BT_SINGLE_STRING || currentState === STATE.IN_BT_MULTI_STRING)) {
        jsCode += "${";
        i += nsKey === "^4^[" ? nsKey.length : 3;
        stateStack.push(currentState);
        currentState = STATE.IN_TEMPLATE_EXPRESSION;
        return true;
      }
      if (nsKey === "^]" && currentState === STATE.IN_TEMPLATE_EXPRESSION) {
        jsCode += "}";
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (nsKey === "^2" && currentState === STATE.NORMAL) {
        jsCode += '"';
        i += nsKey.length;
        stateStack.push(currentState);
        currentState = STATE.IN_DQ_STRING;
        return true;
      }
      if (nsKey === "^2" && currentState === STATE.IN_DQ_STRING) {
        jsCode += '"';
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (nsKey === "^7" && currentState === STATE.NORMAL) {
        jsCode += "'";
        i += nsKey.length;
        stateStack.push(currentState);
        currentState = STATE.IN_SQ_STRING;
        return true;
      }
      if (nsKey === "^7" && currentState === STATE.IN_SQ_STRING) {
        jsCode += "'";
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (nsKey === "^@" && (currentState === STATE.NORMAL || currentState === STATE.IN_TEMPLATE_EXPRESSION)) {
        jsCode += "`";
        i += nsKey.length;
        stateStack.push(currentState);
        currentState = STATE.IN_BT_SINGLE_STRING;
        return true;
      }
      if (nsKey === "^@" && currentState === STATE.IN_BT_SINGLE_STRING) {
        jsCode += "`";
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (nsKey === "^2" && currentState === STATE.IN_TEMPLATE_EXPRESSION) {
        jsCode += '"';
        i += nsKey.length;
        stateStack.push(currentState);
        currentState = STATE.RAW_DQ_IN_EXPR;
        return true;
      }
      if (nsKey === "^7" && currentState === STATE.IN_TEMPLATE_EXPRESSION) {
        jsCode += "'";
        i += nsKey.length;
        stateStack.push(currentState);
        currentState = STATE.RAW_SQ_IN_EXPR;
        return true;
      }
      if (nsKey === "^2" && currentState === STATE.RAW_DQ_IN_EXPR) {
        jsCode += '"';
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (nsKey === "^7" && currentState === STATE.RAW_SQ_IN_EXPR) {
        jsCode += "'";
        i += nsKey.length;
        currentState = stateStack.pop();
        return true;
      }
      if (allowGeneral) {
        jsCode += noShiftMap[nsKey];
        i += nsKey.length;
        return true;
      }
    }
    return false;
  }
  while (i < len_ns) {
    let consumed = false;
    if (currentState === STATE.IN_DQ_STRING) {
      if (nsjsCode.startsWith("\\^6", i)) {
        jsCode += "^6";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\^2", i)) {
        jsCode += "^2";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      }
    } else if (currentState === STATE.IN_SQ_STRING) {
      if (nsjsCode.startsWith("\\^6", i)) {
        jsCode += "^6";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\^7", i)) {
        jsCode += "^7";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      }
    } else if (currentState === STATE.RAW_DQ_IN_EXPR) {
      if (nsjsCode.startsWith("\\^6", i)) {
        jsCode += "^6";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\^2", i)) {
        jsCode += "^2";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      } else if (nsjsCode.startsWith("^2", i)) {
        jsCode += '"';
        i += 2;
        currentState = stateStack.pop();
        consumed = true;
      }
      if (consumed) {
        continue;
      } else {
        jsCode += nsjsCode[i];
        i += 1;
        continue;
      }
    } else if (currentState === STATE.RAW_SQ_IN_EXPR) {
      if (nsjsCode.startsWith("\\^6", i)) {
        jsCode += "^6";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\^7", i)) {
        jsCode += "^7";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      } else if (nsjsCode.startsWith("^7", i)) {
        jsCode += "'";
        i += 2;
        currentState = stateStack.pop();
        consumed = true;
      }
      if (consumed) {
        continue;
      } else {
        jsCode += nsjsCode[i];
        i += 1;
        continue;
      }
    } else if (currentState === STATE.IN_BT_SINGLE_STRING) {
      if (nsjsCode.startsWith("\\^6", i)) {
        jsCode += "^6";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\^@", i)) {
        jsCode += "^@";
        i += 3;
        consumed = true;
      } else if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      }
    } else if (currentState === STATE.IN_BT_MULTI_STRING) {
      if (nsjsCode.startsWith("\\\\", i)) {
        jsCode += "\\\\\\\\";
        i += 2;
        consumed = true;
      }
    }
    if (!consumed && currentState !== STATE.IN_LINE_COMMENT && currentState !== STATE.IN_BLOCK_COMMENT) {
      if (nsjsCode.startsWith("^6", i)) {
        const inString = currentState === STATE.IN_DQ_STRING || currentState === STATE.IN_SQ_STRING || currentState === STATE.IN_BT_SINGLE_STRING || currentState === STATE.IN_BT_MULTI_STRING;
        if (!inString || capitalizeInStrings) {
          i += 2;
          if (i < len_ns) {
            jsCode += nsjsCode[i].toUpperCase();
            i += 1;
          }
          consumed = true;
        }
      }
    }
    if (!consumed) {
      if (currentState === STATE.NORMAL && nsjsCode.startsWith("//", i)) {
        jsCode += "//";
        i += 2;
        stateStack.push(currentState);
        currentState = STATE.IN_LINE_COMMENT;
        consumed = true;
      } else if (currentState === STATE.IN_LINE_COMMENT) {
        if (nsjsCode[i] === "\n") {
          jsCode += "\n";
          i += 1;
          currentState = stateStack.pop();
        } else {
          jsCode += nsjsCode[i];
          i += 1;
        }
        consumed = true;
      } else if (currentState === STATE.NORMAL && nsjsCode.startsWith("/^:", i)) {
        jsCode += "/*";
        i += 3;
        stateStack.push(currentState);
        currentState = STATE.IN_BLOCK_COMMENT;
        consumed = true;
      } else if (currentState === STATE.IN_BLOCK_COMMENT && nsjsCode.startsWith("^:/", i)) {
        jsCode += "*/";
        i += 3;
        currentState = stateStack.pop();
        consumed = true;
      } else if (currentState === STATE.IN_BLOCK_COMMENT) {
        jsCode += nsjsCode[i];
        i += 1;
        consumed = true;
      }
    }
    if (!consumed && (currentState === STATE.NORMAL || currentState === STATE.IN_TEMPLATE_EXPRESSION)) {
      for (const [kw, replacement] of keywordReplacements) {
        if (nsjsCode.startsWith(kw, i)) {
          jsCode += replacement;
          i += kw.length;
          consumed = true;
          break;
        }
      }
      if (!consumed) {
        for (const [kw, replacement] of wordKeywordReplacements) {
          if (nsjsCode.startsWith(kw, i)) {
            const prevChar = i > 0 ? nsjsCode[i - 1] : " ";
            const prevIsBoundary = !/[a-zA-Z0-9_$]/.test(prevChar);
            const afterPos = i + kw.length;
            const nextChar = afterPos < len_ns ? nsjsCode[afterPos] : " ";
            const nextIsBoundary = !/[a-zA-Z0-9_$]/.test(nextChar);
            if (prevIsBoundary && nextIsBoundary) {
              jsCode += replacement;
              i += kw.length;
              consumed = true;
              break;
            }
          }
        }
      }
    }
    if (!consumed) {
      consumed = tryConsumeNsjsSequence();
    }
    if (!consumed) {
      jsCode += nsjsCode[i];
      i += 1;
    }
  }
  if (stateStack.length > 0) {
    if (!options._silent) {
      console.warn(
        `Warning: Unmatched literal/templating states. Final state: ${currentState}, Remaining stack: ${stateStack.join(
          ", "
        )}`
      );
    }
  }
  return jsCode;
}
var validCaretKeys = new Set(Object.keys(noShiftMap).map((k) => k[1]));
validCaretKeys.add("6");
function diagnose(nsjsCode) {
  const errors = [];
  const lines = nsjsCode.split("\n");
  let state = "NORMAL";
  const stateStack = [];
  const openPositions = [];
  for (let lineNum = 0; lineNum < lines.length; lineNum++) {
    const line = lines[lineNum];
    if (state === "LINE_COMMENT") {
      state = stateStack.pop() || "NORMAL";
    }
    for (let col = 0; col < line.length; col++) {
      const ch = line[col];
      const next = col + 1 < line.length ? line[col + 1] : void 0;
      const next2 = col + 2 < line.length ? line[col + 2] : void 0;
      if (ch === "\\" && next === "^") {
        col += 2;
        continue;
      }
      if (ch === "\\" && next === "\\") {
        col += 1;
        continue;
      }
      if (state === "BLOCK_COMMENT") {
        if (ch === "^" && next === ":" && next2 === "/") {
          state = stateStack.pop() || "NORMAL";
          openPositions.pop();
          col += 2;
        }
        continue;
      }
      if (state === "LINE_COMMENT") {
        continue;
      }
      if (state === "DQ") {
        if (ch === "^" && next === "2") {
          state = stateStack.pop() || "NORMAL";
          openPositions.pop();
          col += 1;
        }
        continue;
      }
      if (state === "SQ") {
        if (ch === "^" && next === "7") {
          state = stateStack.pop() || "NORMAL";
          openPositions.pop();
          col += 1;
        }
        continue;
      }
      if (state === "BT") {
        if (ch === "^" && next === "4" && (next2 === "^" || next2 === "[")) {
          if (next2 === "^" && col + 3 < line.length && line[col + 3] === "[") {
            stateStack.push(state);
            openPositions.push({
              line: lineNum + 1,
              column: col + 1,
              type: "TEMPLATE_EXPR"
            });
            state = "TEMPLATE_EXPR";
            col += 3;
          } else if (next2 === "[") {
            stateStack.push(state);
            openPositions.push({
              line: lineNum + 1,
              column: col + 1,
              type: "TEMPLATE_EXPR"
            });
            state = "TEMPLATE_EXPR";
            col += 2;
          }
          continue;
        }
        if (ch === "^" && next === "@") {
          state = stateStack.pop() || "NORMAL";
          openPositions.pop();
          col += 1;
        }
        continue;
      }
      if (state === "TEMPLATE_EXPR") {
        if (ch === "^" && next === "]") {
          state = stateStack.pop() || "NORMAL";
          openPositions.pop();
          col += 1;
          continue;
        }
      }
      if (ch === "/" && next === "/") {
        stateStack.push(state);
        state = "LINE_COMMENT";
        break;
      }
      if (ch === "/" && next === "^" && next2 === ":") {
        stateStack.push(state);
        openPositions.push({
          line: lineNum + 1,
          column: col + 1,
          type: "BLOCK_COMMENT"
        });
        state = "BLOCK_COMMENT";
        col += 2;
        continue;
      }
      if (ch === "^" && next === "2") {
        stateStack.push(state);
        openPositions.push({ line: lineNum + 1, column: col + 1, type: "DQ" });
        state = "DQ";
        col += 1;
        continue;
      }
      if (ch === "^" && next === "7") {
        stateStack.push(state);
        openPositions.push({ line: lineNum + 1, column: col + 1, type: "SQ" });
        state = "SQ";
        col += 1;
        continue;
      }
      if (ch === "^" && next === "@") {
        stateStack.push(state);
        openPositions.push({ line: lineNum + 1, column: col + 1, type: "BT" });
        state = "BT";
        col += 1;
        continue;
      }
      if (ch === "^" && next === "6") {
        if (col + 2 >= line.length && lineNum === lines.length - 1) {
          errors.push({
            line: lineNum + 1,
            column: col + 1,
            message: "^6 at end of file with no following character to capitalize."
          });
        }
        col += 2;
        continue;
      }
      if (ch === "^" && next !== void 0) {
        if (!validCaretKeys.has(next)) {
          errors.push({
            line: lineNum + 1,
            column: col + 1,
            message: `Unknown sequence '^${next}'.`
          });
        }
        col += 1;
        continue;
      }
      if (ch === "^" && next === void 0 && lineNum === lines.length - 1) {
        errors.push({
          line: lineNum + 1,
          column: col + 1,
          message: "Lone '^' at end of file."
        });
      }
    }
  }
  while (openPositions.length > 0) {
    const pos = openPositions.pop();
    const labels = {
      DQ: "string literal (^2...^2)",
      SQ: "string literal (^7...^7)",
      BT: "template literal (^@...^@)",
      BLOCK_COMMENT: "block comment (/^:...^:/)",
      TEMPLATE_EXPR: "template expression (^4^[...^])"
    };
    errors.push({
      line: pos.line,
      column: pos.column,
      message: `Unclosed ${labels[pos.type] || pos.type} opened here.`
    });
  }
  return errors;
}

// package.json
var package_default = {
  name: "noshift.js",
  version: "0.15.1",
  description: "Joke language.",
  bin: {
    nsc: "./dist/cli.cjs"
  },
  main: "./dist/index.cjs",
  module: "./dist/index.mjs",
  types: "./dist/index.d.ts",
  exports: {
    ".": {
      import: {
        types: "./dist/index.d.mts",
        default: "./dist/index.mjs"
      },
      require: {
        types: "./dist/index.d.cts",
        default: "./dist/index.cjs"
      }
    }
  },
  type: "module",
  scripts: {
    build: "tsup",
    test: "vitest run",
    "test:watch": "vitest",
    typecheck: "tsc --noEmit",
    format: "prettier --write ./src/"
  },
  repository: {
    type: "git",
    url: "git+https://github.com/otoneko1102/NoShift.js.git"
  },
  keywords: [
    "noshift",
    "nsjs",
    "joke",
    "language",
    "lang"
  ],
  author: "otoneko.",
  license: "MIT",
  bugs: {
    url: "https://github.com/otoneko1102/NoShift.js/issues"
  },
  homepage: "https://noshift.js.org",
  dependencies: {
    commander: "^14.0.3"
  },
  devDependencies: {
    "@types/node": "^25.3.0",
    prettier: "^3.8.1",
    tsup: "^8.5.1",
    tsx: "^4.21.0",
    typescript: "^5.9.3",
    vitest: "^4.0.18"
  },
  engines: {
    node: ">=22.12.0"
  }
};

// src/header.ts
function getVersion() {
  return package_default.version;
}
function addHeader(js, version) {
  const ver = version ?? getVersion();
  const header = `// Generated by NoShift.js ${ver}`;
  if (js.startsWith("#!")) {
    const newlineIndex = js.indexOf("\n");
    if (newlineIndex === -1) {
      return js + "\n" + header + "\n";
    }
    const shebang = js.slice(0, newlineIndex + 1);
    const rest = js.slice(newlineIndex + 1);
    return shebang + header + "\n" + rest;
  }
  return header + "\n" + js;
}

// src/index.ts
function compile(source, options = {}) {
  let outputText = convertNsjsToJs(source, {
    capitalizeInStrings: options.capitalizeInStrings !== false
  });
  if (!options.noHeader && outputText.length > 0) {
    outputText = addHeader(outputText);
  }
  return { outputText };
}
function diagnose2(source) {
  return diagnose(source);
}
var index_default = compile;
export {
  compile,
  index_default as default,
  diagnose2 as diagnose
};
//# sourceMappingURL=index.mjs.map