Denis Pushkarev 3303b079c5 Update to core-js@3 (#7646)
### `@babel/runtime`
- Added `@babel/runtime-corejs3` package and `corejs: 3` options to `@babel/plugin-transform-runtime`.
- Added support of instance methods, fixes #8928.
- Added flag `proposals` (in `corejs: { version: 3, proposals: true }` format) for support all proposals polyfills from `core-js`.
- Used separate directories in runtime for `core-js` entry points with proposals and without.
- Used `get-iterator-method` helper for getting iterators, fixes #2500.
- As a cheap bonus, added support of IE8- (except some cases of `regenerator`).

### `@babel/polyfill`
- Should be deprecated in favor of separate usage required features from `core-js` and `regenerator-runtime` with an informative message.

### `@babel/preset-env`
- Uses for built-ins data from [`core-js-compat`](https://github.com/zloirock/core-js/tree/master/packages/core-js-compat) instead of `compat-table` since information from `compat-table` [is not enough](https://github.com/zloirock/core-js/tree/master/packages/core-js-compat).
- `useBuilIns` now requires direct setting of `corejs` version option, without it will be used `2` by default and shown deprecation warning.
- Added support of minor `core-js` versions for simplify updating in the future.
- For preventing some order-related problems, polyfills in the both `core-js@3` plugins added on `post` stage in the order of `core-js-compat` data.
- Divided plugins and polyfills parts of `preset-env`, instead of 2 internal plugins for adding polyfills, we have 6: usage and entry versions of plugins for `core-js@2`, ### Current state:
`core-js@3`, `regenerator-runtime`.
- Added support `samsung` target (for Samsung Internet) since `core-js-compat` and `compat-table` now contains mapping for this, fixes #6602.

#### `useBuilIns: entry` with `corejs: 3`
- No longer transforms `@babel/polyfill`.
- Transforms **all possible** `core-js` entry points to import of related modules (based on data from [`core-js-compat`](https://unpkg.com/core-js-compat@3.0.0-beta.15/entries.json)).
- Since of this, we no longer need `shippedProposals` / `proposals` flags with `useBuilIns: entry`.
- Removes `regenerator-runtime/runtime` import where it's not required.

#### `useBuilIns: usage` with `corejs: 3`
- In addition to `shippedProposals`, added flag `proposals`  (in `corejs: { version: 3, proposals: true }` format) for polyfill all proposals from `core-js`.
- Fixed list of dependencies in built-in definitions.
- Improved the way of determination method / built-in name and source of this method.
- Adds import of required polyfills on `MemberExpression`, `ObjectPattern`, `in` operator.
- Adds import of required polyfills on access to global object properties.
- Adds import of all required common iterators on all syntax features which use iterators protocol (`for-of`, destructuring, spread, `yield` delegation, etc.).
- Adds import of promises on syntax features which use promises (async functions/generators, dynamic import, etc.), fixes #9250, #7402, etc.

### `core-js@2` stuff
I didn't want to tough `core-js@2`-related stuff, however
- Fixed some serious errors in definitions which breaks `Object.getOwnPropertySymbols`, `Symbol.toStringTag` logic, `Promise#finally`, `Array#forEach`, etc.
- `Array#flatMap` and trim methods moved to stable features as a part of ES2019 and loaded by deprecated `@babel/polyfill` and `@babel/preset-env` with `corejs: 2` option.
2019-03-19 21:07:45 +01:00

504 lines
12 KiB
JavaScript

"use strict";
describe("babel-runtime", () => {
describe("instance methods entries", () => {
it("at, exists", () => {
expect(
require("../core-js/instance/at")("").call("a", 0),
).toEqual("a");
});
it("at, missing", () => {
expect(
require("../core-js/instance/at")({}),
).toEqual(undefined);
});
it("bind, exists", () => {
expect(
require("../core-js/instance/bind")(() => {}).call(function () { return this; }, 42)(),
).toEqual(42);
});
it("bind, missing", () => {
expect(
require("../core-js/instance/bind")({}),
).toEqual(undefined);
});
it("codePointAt, exists", () => {
expect(
require("../core-js/instance/code-point-at")("").call("a", 0),
).toEqual(97);
});
it("codePointAt, missing", () => {
expect(
require("../core-js/instance/code-point-at")({}),
).toEqual(undefined);
});
it("codePoints, exists", () => {
expect(
typeof require("../core-js/instance/code-points")("").call("a").next,
).toEqual("function");
});
it("codePoints, missing", () => {
expect(
require("../core-js/instance/code-points")({}),
).toEqual(undefined);
});
it("concat, exists", () => {
expect(
require("../core-js/instance/concat")([]).call([1, 2], [3, 4]).length,
).toEqual(4);
});
it("concat, missing", () => {
expect(
require("../core-js/instance/concat")({}),
).toEqual(undefined);
});
it("copyWithin, exists", () => {
expect(
require("../core-js/instance/copy-within")([]).call([1, 2, 3], 1)[2],
).toEqual(2);
});
it("copyWithin, missing", () => {
expect(
require("../core-js/instance/copy-within")({}),
).toEqual(undefined);
});
it("endsWith, exists", () => {
expect(
require("../core-js/instance/ends-with")("").call("qwe", "we"),
).toEqual(true);
});
it("endsWith, missing", () => {
expect(
require("../core-js/instance/ends-with")({}),
).toEqual(undefined);
});
it("entries, exists", () => {
expect(
require("../core-js/instance/entries")([]).call([]).next().done,
).toEqual(true);
});
it("entries, missing", () => {
expect(
require("../core-js/instance/entries")({}),
).toEqual(undefined);
});
it("every, exists", () => {
expect(
require("../core-js/instance/every")([]).call([1, 2, 3], it => typeof it === "number"),
).toEqual(true);
});
it("every, missing", () => {
expect(
require("../core-js/instance/every")({}),
).toEqual(undefined);
});
it("fill, exists", () => {
expect(
require("../core-js/instance/fill")([]).call([1, 2, 3], 42)[1],
).toEqual(42);
});
it("fill, missing", () => {
expect(
require("../core-js/instance/fill")({}),
).toEqual(undefined);
});
it("filter, exists", () => {
expect(
require("../core-js/instance/filter")([]).call([1, 2, 3], it => it % 2).length,
).toEqual(2);
});
it("filter, missing", () => {
expect(
require("../core-js/instance/filter")({}),
).toEqual(undefined);
});
it("find, exists", () => {
expect(
require("../core-js/instance/find")([]).call([1, 2, 3], it => !(it % 2)),
).toEqual(2);
});
it("find, missing", () => {
expect(
require("../core-js/instance/find")({}),
).toEqual(undefined);
});
it("findIndex, exists", () => {
expect(
require("../core-js/instance/find-index")([]).call([1, 2, 3], it => !(it % 2)),
).toEqual(1);
});
it("findIndex, missing", () => {
expect(
require("../core-js/instance/find-index")({}),
).toEqual(undefined);
});
it("flags, exists", () => {
expect(
require("../core-js/instance/flags")(/./gim),
).toEqual("gim");
});
it("flags, missing", () => {
expect(
require("../core-js/instance/flags")({}),
).toEqual(undefined);
});
it("flatMap, exists", () => {
expect(
require("../core-js/instance/flat-map")([]).call([1, 2, [3, 4]], it => it).length,
).toEqual(4);
});
it("flatMap, missing", () => {
expect(
require("../core-js/instance/flat-map")({}),
).toEqual(undefined);
});
it("flat, exists", () => {
expect(
require("../core-js/instance/flat")([]).call([1, 2, [3, 4]]).length,
).toEqual(4);
});
it("flat, missing", () => {
expect(
require("../core-js/instance/flat")({}),
).toEqual(undefined);
});
it("forEach, exists", () => {
expect(
typeof require("../core-js/instance/for-each")([]),
).toEqual("function");
});
it("forEach, missing", () => {
expect(
require("../core-js/instance/for-each")({}),
).toEqual(undefined);
});
it("includes, array", () => {
expect(
require("../core-js/instance/includes")([]).call([1, 2, 3], 2),
).toEqual(true);
});
it("includes, string", () => {
expect(
require("../core-js/instance/includes")("").call("qweasd", "ea"),
).toEqual(true);
});
it("includes, missing", () => {
expect(
require("../core-js/instance/includes")({}),
).toEqual(undefined);
});
it("indexOf, exists", () => {
expect(
require("../core-js/instance/index-of")([]).call([1, 2, 3], 4),
).toEqual(-1);
});
it("indexOf, missing", () => {
expect(
require("../core-js/instance/index-of")({}),
).toEqual(undefined);
});
it("keys, exists", () => {
expect(
require("../core-js/instance/keys")([]).call([]).next().done,
).toEqual(true);
});
it("keys, missing", () => {
expect(
require("../core-js/instance/keys")({}),
).toEqual(undefined);
});
it("lastIndexOf, exists", () => {
expect(
require("../core-js/instance/last-index-of")([]).call([1, 2, 3], 4),
).toEqual(-1);
});
it("lastIndexOf, missing", () => {
expect(
require("../core-js/instance/last-index-of")({}),
).toEqual(undefined);
});
it("map, exists", () => {
expect(
require("../core-js/instance/map")([]).call([1, 2, 3], it => it * it)[2],
).toEqual(9);
});
it("map, missing", () => {
expect(
require("../core-js/instance/map")({}),
).toEqual(undefined);
});
it("matchAll, exists", () => {
expect(
typeof require("../core-js/instance/match-all")("").call("qwe", /./).next,
).toEqual("function");
});
it("matchAll, missing", () => {
expect(
require("../core-js/instance/match-all")({}),
).toEqual(undefined);
});
it("padEnd, exists", () => {
expect(
require("../core-js/instance/pad-end")("").call("qwe", 6),
).toEqual("qwe ");
});
it("padEnd, missing", () => {
expect(
require("../core-js/instance/pad-end")({}),
).toEqual(undefined);
});
it("padStart, exists", () => {
expect(
require("../core-js/instance/pad-start")("").call("qwe", 6),
).toEqual(" qwe");
});
it("padStart, missing", () => {
expect(
require("../core-js/instance/pad-start")({}),
).toEqual(undefined);
});
it("reduce, exists", () => {
expect(
require("../core-js/instance/reduce")([]).call([1, 2, 3], (a, b) => a + b),
).toEqual(6);
});
it("reduce, missing", () => {
expect(
require("../core-js/instance/reduce")({}),
).toEqual(undefined);
});
it("reduceRight, exists", () => {
expect(
require("../core-js/instance/reduce-right")([]).call([1, 2, 3], (a, b) => a + b),
).toEqual(6);
});
it("reduceRight, missing", () => {
expect(
require("../core-js/instance/reduce-right")({}),
).toEqual(undefined);
});
it("repeat, exists", () => {
expect(
require("../core-js/instance/repeat")("").call("q", 6),
).toEqual("qqqqqq");
});
it("repeat, missing", () => {
expect(
require("../core-js/instance/repeat")({}),
).toEqual(undefined);
});
it("replaceAll, exists", () => {
expect(
require("../core-js/instance/replace-all")("").call("qwe", "w", "r"),
).toEqual("qre");
});
it("replaceAll, missing", () => {
expect(
require("../core-js/instance/replace-all")({}),
).toEqual(undefined);
});
it("reverse, exists", () => {
expect(
require("../core-js/instance/reverse")([]).call([1, 2, 3]).join(''),
).toEqual("321");
});
it("reverse, missing", () => {
expect(
require("../core-js/instance/reverse")({}),
).toEqual(undefined);
});
it("slice, exists", () => {
expect(
require("../core-js/instance/slice")([]).call([1, 2, 3], 1)[0],
).toEqual(2);
});
it("slice, missing", () => {
expect(
require("../core-js/instance/slice")({}),
).toEqual(undefined);
});
it("some, exists", () => {
expect(
require("../core-js/instance/some")([]).call([1, 2, 3], it => typeof it === "number"),
).toEqual(true);
});
it("some, missing", () => {
expect(
require("../core-js/instance/some")({}),
).toEqual(undefined);
});
it("sort, exists", () => {
expect(
typeof require("../core-js/instance/sort")([]),
).toEqual("function");
});
it("sort, missing", () => {
expect(
require("../core-js/instance/sort")({}),
).toEqual(undefined);
});
it("splice, exists", () => {
expect(
typeof require("../core-js/instance/splice")([]),
).toEqual("function");
});
it("splice, missing", () => {
expect(
require("../core-js/instance/splice")({}),
).toEqual(undefined);
});
it("startsWith, exists", () => {
expect(
require("../core-js/instance/starts-with")("").call("qwe", "qw"),
).toEqual(true);
});
it("startsWith, missing", () => {
expect(
require("../core-js/instance/starts-with")({}),
).toEqual(undefined);
});
it("trim, exists", () => {
expect(
require("../core-js/instance/trim")("").call(" qwe "),
).toEqual("qwe");
});
it("trim, missing", () => {
expect(
require("../core-js/instance/trim")({}),
).toEqual(undefined);
});
it("trimEnd, exists", () => {
expect(
require("../core-js/instance/trim-end")("").call(" qwe "),
).toEqual(" qwe");
});
it("trimEnd, missing", () => {
expect(
require("../core-js/instance/trim-end")({}),
).toEqual(undefined);
});
it("trimLeft, exists", () => {
expect(
require("../core-js/instance/trim-left")("").call(" qwe "),
).toEqual("qwe ");
});
it("trimLeft, missing", () => {
expect(
require("../core-js/instance/trim-left")({}),
).toEqual(undefined);
});
it("trimRight, exists", () => {
expect(
require("../core-js/instance/trim-right")("").call(" qwe "),
).toEqual(" qwe");
});
it("trimRight, missing", () => {
expect(
require("../core-js/instance/trim-right")({}),
).toEqual(undefined);
});
it("trimStart, exists", () => {
expect(
require("../core-js/instance/trim-start")("").call(" qwe "),
).toEqual("qwe ");
});
it("trimStart, missing", () => {
expect(
require("../core-js/instance/trim-start")({}),
).toEqual(undefined);
});
it("values, exists", () => {
expect(
require("../core-js/instance/values")([]).call([]).next().done,
).toEqual(true);
});
it("values, missing", () => {
expect(
require("../core-js/instance/values")({}),
).toEqual(undefined);
});
});
});