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Add support for preserving comments in babel-template. (#3689)

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* Add support for preserving comments in babel-template.

* Add an API section to babel-template.
This commit is contained in:
Ben Briggs
2016-09-01 15:50:25 +01:00
committed by Henry Zhu
parent 23ea626241
commit c94abcc170
5 changed files with 74 additions and 20 deletions
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14
packages/babel-template/test/index.js
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@@ -1,6 +1,9 @@
var generator = require('../../babel-generator').default;
var template = require("../lib");
var chai = require("chai");
var comments = "// Sum two numbers\nconst add = (a, b) => a + b;";
suite("templating", function () {
test("import statement will cause parser to throw by default", function () {
chai.expect(function () {
@@ -13,4 +16,15 @@ suite("templating", function () {
template("import foo from 'foo'", {sourceType: 'module'})({});
}).not.to.throw();
});
test("should strip comments by default", function () {
var code = "const add = (a, b) => a + b;"
var output = template(comments)();
chai.expect(generator(output).code).to.be.equal(code);
});
test("should preserve comments with a flag", function () {
var output = template(comments, {preserveComments: true})();
chai.expect(generator(output).code).to.be.equal(comments);
});
});