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Require decoratorsBeforeExport option for decorators (#8465)

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* Require decoratorsBeforeExport option for syntax-decorators

* Also babylon

* Enable test
This commit is contained in:
Nicolò Ribaudo
2018-08-15 09:04:52 +02:00
committed by GitHub
parent 1e0b649485
commit d79b5eeeff
14 changed files with 111 additions and 24 deletions
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55
packages/babel-parser/test/plugin-options.js
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@@ -9,19 +9,56 @@ describe("plugin options", function() {
// NOTE: This test is not specific about decorators, it can be applied
// to any plugin with options.
const NAME = "decorators";
const OPT_1 = [NAME, { decoratorsBeforeExport: true }];
const OPT_2 = [NAME, { decoratorsBeforeExport: false }];
const SYNTAX_1 = "@dec export class C {}";
const SYNTAX_2 = "export @dec class C {}";
const SYNTAX_DEFAULT = "export @dec class C {}";
it("when they aren't specified", function() {
expect(getParser(SYNTAX_DEFAULT, [NAME, OPT_1])).not.toThrow();
expect(getParser(SYNTAX_DEFAULT, [NAME, OPT_2])).not.toThrow();
const WITHOUT_FLAG = "flow";
const WITH_FLAG = ["flow", { all: true }];
const CODE = "new Foo<x>(y)";
const AST_WITHOUT_FLAG = {
type: "BinaryExpression",
operator: ">",
left: {
type: "BinaryExpression",
operator: "<",
left: { type: "NewExpression" },
right: { type: "Identifier" },
},
right: { type: "Identifier", extra: { parenthesized: true } },
};
const AST_WITH_FLAG = {
type: "NewExpression",
callee: { type: "Identifier" },
arguments: [{ type: "Identifier" }],
typeArguments: {
type: "TypeParameterInstantiation",
params: [
{ type: "GenericTypeAnnotation", id: { type: "Identifier" } },
],
},
};
expect(
getParser(CODE, [WITHOUT_FLAG, WITH_FLAG])().program.body[0].expression,
).toMatchObject(AST_WITHOUT_FLAG);
expect(
getParser(CODE, [WITHOUT_FLAG])().program.body[0].expression,
).toMatchObject(AST_WITHOUT_FLAG);
expect(
getParser(CODE, [WITH_FLAG])().program.body[0].expression,
).toMatchObject(AST_WITH_FLAG);
});
it("when they are specified", function() {
const NAME = "decorators";
const OPT_1 = [NAME, { decoratorsBeforeExport: true }];
const OPT_2 = [NAME, { decoratorsBeforeExport: false }];
const SYNTAX_1 = "@dec export class C {}";
const SYNTAX_2 = "export @dec class C {}";
expect(getParser(SYNTAX_1, [OPT_1, OPT_2])).not.toThrow();
expect(getParser(SYNTAX_2, [OPT_2, OPT_1])).not.toThrow();
expect(getParser(SYNTAX_1, [OPT_2, OPT_1])).toThrow();