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