d79b5eeeff
* Require decoratorsBeforeExport option for syntax-decorators * Also babylon * Enable test
69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
import { parse } from "../lib";
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function getParser(code, plugins) {
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return () => parse(code, { plugins, sourceType: "module" });
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}
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describe("plugin options", function() {
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describe("the first options are used", function() {
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// NOTE: This test is not specific about decorators, it can be applied
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// to any plugin with options.
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it("when they aren't specified", function() {
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const WITHOUT_FLAG = "flow";
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const WITH_FLAG = ["flow", { all: true }];
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const CODE = "new Foo<x>(y)";
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const AST_WITHOUT_FLAG = {
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type: "BinaryExpression",
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operator: ">",
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left: {
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type: "BinaryExpression",
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operator: "<",
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left: { type: "NewExpression" },
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right: { type: "Identifier" },
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},
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right: { type: "Identifier", extra: { parenthesized: true } },
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};
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const AST_WITH_FLAG = {
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type: "NewExpression",
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callee: { type: "Identifier" },
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arguments: [{ type: "Identifier" }],
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typeArguments: {
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type: "TypeParameterInstantiation",
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params: [
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{ type: "GenericTypeAnnotation", id: { type: "Identifier" } },
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],
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},
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};
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expect(
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getParser(CODE, [WITHOUT_FLAG, WITH_FLAG])().program.body[0].expression,
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).toMatchObject(AST_WITHOUT_FLAG);
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expect(
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getParser(CODE, [WITHOUT_FLAG])().program.body[0].expression,
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).toMatchObject(AST_WITHOUT_FLAG);
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expect(
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getParser(CODE, [WITH_FLAG])().program.body[0].expression,
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).toMatchObject(AST_WITH_FLAG);
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});
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it("when they are specified", function() {
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const NAME = "decorators";
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const OPT_1 = [NAME, { decoratorsBeforeExport: true }];
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const OPT_2 = [NAME, { decoratorsBeforeExport: false }];
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const SYNTAX_1 = "@dec export class C {}";
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const SYNTAX_2 = "export @dec class C {}";
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expect(getParser(SYNTAX_1, [OPT_1, OPT_2])).not.toThrow();
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expect(getParser(SYNTAX_2, [OPT_2, OPT_1])).not.toThrow();
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expect(getParser(SYNTAX_1, [OPT_2, OPT_1])).toThrow();
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expect(getParser(SYNTAX_2, [OPT_1, OPT_2])).toThrow();
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});
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});
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});
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