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Add test for reference paths (#5296)

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Jason Laster 2017-02-15 12:05:31 -08:00 committed by Henry Zhu
parent b77c435f0f
commit ff2c24eed2
1 changed files with 21 additions and 0 deletions
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21
packages/babel-traverse/test/scope.js
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@ -14,6 +14,19 @@ function getPath(code) {
return path;
}
function getIdentifierPath(code) {
const ast = parse(code);
let nodePath;
traverse(ast, {
Identifier: function(path) {
nodePath = path;
path.stop();
}
});
return nodePath;
}
describe("scope", function () {
describe("binding paths", function () {
it("function declaration id", function () {
@ -67,5 +80,13 @@ describe("scope", function () {
_foo2: { }
`).scope.generateUid("foo"), "_foo3");
});
it("reference paths", function() {
const path = getIdentifierPath("function square(n) { return n * n}");
const referencePaths = path.context.scope.bindings.n.referencePaths;
assert.equal(referencePaths.length, 2);
assert.deepEqual(referencePaths[0].node.loc.start, { line: 1, column:28 });
assert.deepEqual(referencePaths[1].node.loc.start, { line: 1, column:32 });
});
});
});