51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
var tokTypes = require("babel").acorn.tokTypes;
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var traverse = require("babel").traverse;
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var t = require("babel").types;
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exports.toToken = function (token) {
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var type = token.type;
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if (type === tokTypes.name) {
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token.type = "Identifier";
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} else if (type === tokTypes.semi || type === tokTypes.comma || type === tokTypes.parenL || type === tokTypes.parenR || type === tokTypes.braceL || type === tokTypes.braceR) {
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token.type = "Punctuator";
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token.value = type.type;
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}
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return token;
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};
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exports.toAST = function (ast) {
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traverse(ast, astTransformVisitor);
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};
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var astTransformVisitor = {
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noScope: true,
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enter: function (node) {
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if (t.isImportBatchSpecifier(node)) {
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node.type = "ImportNamespaceSpecifier";
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node.id = node.name;
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delete node.name;
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} else if (t.isFunction(node)) {
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node.defaults = [];
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node.params = node.params.map(function (param) {
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if (t.isAssignmentPattern(param)) {
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node.defaults.push(param.right);
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return param.left;
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} else {
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node.defaults.push(null);
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return param;
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}
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});
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// rest
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if (t.isRestElement(node.params[node.params.length - 1])) {
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node.rest = node.params.pop();
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}
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} else if (t.isClassProperty(node)) {
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this.remove();
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}
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}
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};
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