How to use @webassemblyjs/ast - 10 common examples

function parseMemory() {
      var id = t.identifier(getUniqueName("memory"));
      var limits = t.limit(0);

      if (token.type === tokens.string || token.type === tokens.identifier) {
        id = t.identifier(token.value);
        eatToken();
      } else {
        id = t.withRaw(id, ""); // preserve anonymous
      }
      /**
       * Maybe data
       */


      if (lookaheadAndCheck(tokens.openParen, keywords.data)) {
        eatToken(); // (

function parseTable() {
      var name = t.identifier(getUniqueName("table"));
      var limit = t.limit(0);
      var elemIndices = [];
      var elemType = "anyfunc";

      if (token.type === tokens.string || token.type === tokens.identifier) {
        name = identifierFromToken(token);
        eatToken();
      } else {
        name = t.withRaw(name, ""); // preserve anonymous
      }

      while (token.type !== tokens.closeParen) {
        /**
         * Maybe export
         */
        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {

module.exports = function removeFunc(moduleExport, ast) {
  const exportName = moduleExport.name;

  // TODO(sven): test if we actually want to delete a func
  const funcName = moduleExport.descr.id.value;

  // console.log(`Remove unused "${exportName}"`);

  t.traverse(ast, {
    Func(path) {
      if (path.node.name.value === funcName) {
        path.replaceWith(emptyFunc);
        // console.log('\t> remove func');
      }
    },

    ModuleExport(path) {
      if (path.node.name === exportName) {
        path.remove();
        // console.log('\t> remove export');
      }
    }
  });
};

var _nodes11 = parseDataSection(_numberOfElements2);

            return {
              nodes: _nodes11,
              metadata: _metadata11,
              nextSectionIndex: nextSectionIndex
            };
          }
        }

      case constants.sections.custom:
        {
          dumpSep("section Custom");
          dump([sectionId], "section code");
          dump([sectionSizeInBytes], "section size");
          var _metadata12 = [t.sectionMetadata("custom", startOffset, sectionSizeInBytesNode)];
          var sectionName = readUTF8String();
          eatBytes(sectionName.nextIndex);
          dump([], "section name (".concat(sectionName.value, ")"));

          var _remainingBytes2 = sectionSizeInBytes - sectionName.nextIndex;

          if (sectionName.value === "name") {
            try {
              _metadata12.push.apply(_metadata12, _toConsumableArray(parseNameSection(_remainingBytes2)));
            } catch (e) {
              console.warn("Failed to decode custom \"name\" section @".concat(offset, "; ignoring (").concat(e.message, ")."));
              eatBytes(_remainingBytes2);
            }
          } else {
            // We don't parse the custom section
            eatBytes(_remainingBytes2);

function parseTable(): Table {
      let name = t.identifier(getUniqueName("table"));

      let limit = t.limit(0);
      const elemIndices = [];
      const elemType = "anyfunc";

      if (token.type === tokens.string || token.type === tokens.identifier) {
        name = identifierFromToken(token);
        eatToken();
      } else {
        name = t.withRaw(name, ""); // preserve anonymous
      }

      while (token.type !== tokens.closeParen) {
        /**
         * Maybe export
         */
        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {
          eatToken(); // (
          eatToken(); // elem

          while (token.type === tokens.identifier) {
            elemIndices.push(t.identifier(token.value));
            eatToken();
          }

          eatTokenOfType(tokens.closeParen);

function parseMemory() {
      var id = t.identifier(getUniqueName("memory"));
      var limits = t.limit(0);

      if (token.type === tokens.string || token.type === tokens.identifier) {
        id = t.identifier(token.value);
        eatToken();
      } else {
        id = t.withRaw(id, ""); // preserve anonymous
      }
      /**
       * Maybe data
       */


      if (lookaheadAndCheck(tokens.openParen, keywords.data)) {
        eatToken(); // (

        eatToken(); // data
        // TODO(sven): do something with the data collected here

        var stringInitializer = token.value;
        eatTokenOfType(tokens.string); // Update limits accordingly

        limits = t.limit(stringInitializer.length);

function parseTable() {
      var name = t.identifier(getUniqueName("table"));
      var limit = t.limit(0);
      var elemIndices = [];
      var elemType = "anyfunc";

      if (token.type === tokens.string || token.type === tokens.identifier) {
        name = identifierFromToken(token);
        eatToken();
      } else {
        name = t.withRaw(name, ""); // preserve anonymous
      }

      while (token.type !== tokens.closeParen) {
        /**
         * Maybe export
         */
        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {
          eatToken(); // (

          eatToken(); // elem

          while (token.type === tokens.identifier) {
            elemIndices.push(t.identifier(token.value));
            eatToken();
          }

function parseTable() {
      var name = t.identifier(getUniqueName("table"));
      var limit = t.limit(0);
      var elemIndices = [];
      var elemType = "anyfunc";

      if (token.type === tokens.string || token.type === tokens.identifier) {
        name = identifierFromToken(token);
        eatToken();
      } else {
        name = t.withRaw(name, ""); // preserve anonymous
      }

      while (token.type !== tokens.closeParen) {
        /**
         * Maybe export
         */
        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {
          eatToken(); // (

function parseMemory() {
      var id = t.identifier(getUniqueName("memory"));
      var limits = t.limit(0);

      if (token.type === tokens.string || token.type === tokens.identifier) {
        id = t.identifier(token.value);
        eatToken();
      } else {
        id = t.withRaw(id, ""); // preserve anonymous
      }
      /**
       * Maybe data
       */


      if (lookaheadAndCheck(tokens.openParen, keywords.data)) {
        eatToken(); // (

        eatToken(); // data

function parseTable() {
      var name = t.identifier(getUniqueName("table"));
      var limit = t.limit(0);
      var elemIndices = [];
      var elemType = "anyfunc";

      if (token.type === tokens.string || token.type === tokens.identifier) {
        name = identifierFromToken(token);
        eatToken();
      } else {
        name = t.withRaw(name, ""); // preserve anonymous
      }

      while (token.type !== tokens.closeParen) {
        /**
         * Maybe export
         */
        if (lookaheadAndCheck(tokens.openParen, keywords.elem)) {
          eatToken(); // (