/
remove-console-test.js
137 lines (123 loc) · 3.02 KB
/
remove-console-test.js
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jest.autoMockOff();
const babel = require("babel-core");
const plugin = require("../src/index");
const unpad = require("../../../utils/unpad");
function transform(code) {
return babel.transform(code, {
plugins: [plugin],
}).code;
}
describe("remove-console-plugin", () => {
it("statement-nested", () => {
const source = unpad(`
function foo() {
console.log("foo");
blah();
}
`);
const expected = unpad(`
function foo() {
blah();
}
`);
expect(transform(source)).toBe(expected);
});
it("expression-nested", () => {
const source = unpad(`
function foo() {
true && console.log("foo");
blah();
}
`);
const expected = unpad(`
function foo() {
true && void 0;
blah();
}
`);
expect(transform(source)).toBe(expected);
});
it("expression-top-level", () => {
const source = unpad(`
true && console.log("foo");
blah();
`);
const expected = unpad(`
true && void 0;
blah();
`);
expect(transform(source)).toBe(expected);
});
it("statement-top-level", () => {
const source = unpad(`
console.log("foo");
blah();
`);
const expected = unpad(`
blah();
`);
expect(transform(source).trim()).toBe(expected);
});
it("statement no block", () => {
const source = unpad(`
if (blah) console.log(blah);
for (;;) console.log(blah);
for (var blah in []) console.log(blah);
for (var blah of []) console.log(blah);
while (blah) console.log(blah);
do console.log(blah); while (blah);
`);
const expected = unpad(`
if (blah) {}
for (;;) {}
for (var blah in []) {}
for (var blah of []) {}
while (blah) {}
do {} while (blah);
`);
expect(transform(source).trim()).toBe(expected);
});
it("should remove console.* assignments to other variables", () => {
const source = unpad(`
const a = console.log;
a();
const b = console.log.bind(console);
b("asdf");
var x = console.log ? console.log('log') : foo();
function foo() {
if (console.error) {
console.error("Errored");
}
}
console.log.call(console, "foo");
console.log.apply(null, {});
`);
const expected = unpad(`
const a = function () {};
a();
const b = function () {};
b("asdf");
var x = function () {} ? void 0 : foo();
function foo() {
if (function () {}) {}
}
`);
expect(transform(source)).toBe(expected);
});
it("should NOT remove local bindings of name console", () => {
const source = unpad(`
function foo(console) {
console.foo("hi");
const bar = console.foo.bind(console);
}
function bar(a) {
const { console } = a;
a.b = console => console.bar("bar");
if (console.foo.call(console, "bar")) {
return;
}
}
`);
expect(transform(source)).toBe(source);
});
});