ce4c83ff
 wxy
初始提交
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#!/usr/bin/env node
var recast = require("recast");
var types = recast.types;
var n = types.namedTypes;
var b = types.builders;
require("recast").run(function(ast, callback) {
recast.visit(ast, {
visitIfStatement: function(path) {
var stmt = path.node;
stmt.consequent = fix(stmt.consequent);
var alt = stmt.alternate;
if (!n.IfStatement.check(alt)) {
stmt.alternate = fix(alt);
}
this.traverse(path);
},
visitWhileStatement: visitLoop,
visitForStatement: visitLoop,
visitForInStatement: visitLoop
});
callback(ast);
});
function visitLoop(path) {
var loop = path.node;
loop.body = fix(loop.body);
this.traverse(path);
}
function fix(clause) {
if (clause) {
if (!n.BlockStatement.check(clause)) {
clause = b.blockStatement([clause]);
}
}
return clause;
}
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