How to use recast

mixing.js

GitHub: thedekel/recast-sample-visitor

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    return recast.chainVisitors(transformer1, transformer2)
  }
};


// the visitors object should define cases where a collision otherwise occurs
var visitors = recast.mixVisitors(resolveVisitorConflicts);


// alternatively, you can run two visitors per node one after the other:
var altVisitors = recast.chainVisitors(transformer1, transformer2);

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mixing.js

GitHub: thedekel/recast-sample-visitor

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// alternatively, you can run two visitors per node one after the other:
var altVisitors = recast.chainVisitors(transformer1, transformer2);


function transform(ast) {
  var visitedAst = recast.visitMixed(ast, visitors);
  return visitedAst;
}
module.exports = {
  transform: transform,

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meta.js

GitHub: saagaar/uptrendly

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    result = predicate(child);
  }
  return result;
}

types.eachField(node, function(name, child) {
  check(child);
});

return result;

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mixing.js

GitHub: thedekel/recast-sample-visitor

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  var visitedAst = recast.visitMixed(ast, visitors);
  return visitedAst;
}
module.exports = {
  transform: transform,
  parse: recast.genParse(transform),
  compile: recast.genCompile(transform),
  visitors: visitors
};

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mixing.js

GitHub: thedekel/recast-sample-visitor

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  return visitedAst;
}
module.exports = {
  transform: transform,
  parse: recast.genParse(transform),
  compile: recast.genCompile(transform),
  visitors: visitors
};

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emit.js

GitHub: saagaar/uptrendly

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    caseLocs[i] = defaultLoc;
  }
}

self.jump(self.explodeExpression(
  new types.NodePath(condition, path, "discriminant")
));

self.leapManager.withEntry(
  new leap.SwitchEntry(after),

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mixing.js

GitHub: thedekel/recast-sample-visitor

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emit.js

GitHub: saagaar/uptrendly

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 * the same directory.
 */


var assert = require("assert");
var types = require("recast").types;
var isArray = types.builtInTypes.array;
var b = types.builders;
var n = types.namedTypes;
var leap = require("./leap");
var meta = require("./meta");

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mixing.js

GitHub: thedekel/recast-sample-visitor

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var resolveVisitorConflicts = function(node, nodeName) {
  // n.nodeName.check should be sufficient, i'm not sure if having `nodeName`
  // as a parameter is needed or a good idea
  if (n.functionExpression.check(node)) {
    return recast.chainVisitors(transformer2, transformer1 /*[, etc.]*/)
  } else if(n.identifier.check(node)) {
    return null; // return non-function in order to do nothing for a node type
  } else { // default behavior
    return recast.chainVisitors(transformer1, transformer2)

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index.js

GitHub: wangrui233/my-js

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    null, Anonymize the function expression
     add.params,
    add.body
  ))
])
const output = recast.prettyPrint(ast, { tabWidth: 2 }).code
log(output)
log(output(1, 3))
recast.run(function (ast, printSource) {
  printSource(ast)

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mixing.js

GitHub: thedekel/recast-sample-visitor

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component-resolve.js

GitHub: wix-incubator/react-autodocs-utils

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  normalizeClassDefinition,
  resolveExportDeclaration,
  resolveToValue,
} = utils;


const n = recast.types.namedTypes;


const ERROR_MULTIPLE_DEFINITIONS = 'Multiple exported component definitions found.';


const isReactComponentExtendedClass = path => {

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component-resolve.js

GitHub: wix-incubator/react-autodocs-utils

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  definition = resolveDefinition(definitions[0]);
  return false;
};

recast.visit(ast, {
  visitExportDeclaration: exportDeclaration,
  visitExportNamedDeclaration: exportDeclaration,
  visitExportDefaultDeclaration: exportDeclaration,

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runner.js

GitHub: esnext/es6-class

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  sourceMapName: filename + '.map'
};

var ast = recast.parse(source, recastOptions);
ast = es6defaultParams.transform(es6restParams.transform(es6class.transform(ast)));
var result = recast.print(ast, recastOptions);

fs.writeFileSync(path.join(RESULTS, testName + '.js'), result.code, 'utf8');
fs.writeFileSync(path.join(RESULTS, testName + '.js.map'), JSON.stringify(result.map), 'utf8');
return result.code;

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check-messages-en

GitHub: zulip/zulip-mobile

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  return result;
}


const parseOptions = {
  parser: {
    parse(src) {
      return flowParser.parse(src, {
        // Comments can't cause UI strings to appear in the app; ignore them.
        all_comments: false,
        comments: false,

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