43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
var traverse = require("../lib").default;
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var assert = require("assert");
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var parse = require("babylon").parse;
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function getPath(code) {
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var ast = parse(code);
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var path;
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traverse(ast, {
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Program: function (_path) {
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path = _path;
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_path.stop();
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}
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});
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return path;
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}
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suite("scope", function () {
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suite("binding paths", function () {
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test("function declaration id", function () {
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assert.ok(getPath("function foo() {}").scope.getBinding("foo").path.type === "FunctionDeclaration");
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});
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test("function expression id", function () {
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assert.ok(getPath("(function foo() {})").get("body")[0].get("expression").scope.getBinding("foo").path.type === "FunctionExpression");
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});
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test("function param", function () {
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assert.ok(getPath("(function (foo) {})").get("body")[0].get("expression").scope.getBinding("foo").path.type === "Identifier");
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});
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test("variable declaration", function () {
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assert.ok(getPath("var foo = null;").scope.getBinding("foo").path.type === "VariableDeclarator");
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assert.ok(getPath("var { foo } = null;").scope.getBinding("foo").path.type === "VariableDeclarator");
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assert.ok(getPath("var [ foo ] = null;").scope.getBinding("foo").path.type === "VariableDeclarator");
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assert.ok(getPath("var { bar: [ foo ] } = null;").scope.getBinding("foo").path.type === "VariableDeclarator");
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});
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test("purity", function () {
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assert.ok(getPath("({ x: 1 })").get("body")[0].get("expression").isPure());
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});
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});
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});
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