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* Added TS. Updated build and linting config. Added types. * [ts-migrate][.] Rename files from JS/JSX to TS/TSX Co-authored-by: ts-migrate <> * [ts-migrate][.] Run TS Migrate Co-authored-by: ts-migrate <> * Corrected files mangled by ts-migrate. * Updated lint config, minor linting. * Re-enabled Husky. * Updated tests and config. * Reverted webpack devtool config. * Removed obsolete snapshots. * Added annotations snap. * Updated tsconfig includes wrt linting. * Removed ts-migrate. Co-authored-by: Timmy Huang <tihuan@users.noreply.github.com>
This commit is contained in:
co-authored by
ts-migrate
Timmy Huang
parent
7328cbdbd5
commit
934cc5c69b
@@ -1,87 +0,0 @@
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import undoable from "../../src/reducers/undoable";
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describe("create", () => {
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test("no keys", () => {
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expect(() => undoable(() => {})).toThrow();
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expect(() => undoable(() => {}, null)).toThrow();
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expect(() => undoable(() => {}, [])).toThrow();
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expect(() => undoable(() => {}, [], {})).toThrow();
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});
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test("simple", () => {
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expect(undoable(() => {}, ["foo"])).toBeInstanceOf(Function);
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expect(undoable(() => {}, ["foo"], {})).toBeInstanceOf(Function);
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});
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test("handles undefined initial state", () => {
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expect(
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undoable(() => {}, ["a"])(undefined, { type: "test" })
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).toMatchObject({});
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});
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});
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describe("undo", () => {
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test("expected state modifications", () => {
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const initialState = { a: 0, b: 1000 };
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const reducer = (state) => {
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return { a: state.a + 1, b: state.b + 1 };
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};
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const undoableReducer = undoable(reducer, ["a"]);
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const s1 = undoableReducer(initialState, { type: "test" });
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expect(s1).toMatchObject({ a: 1, b: 1001 });
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// test that only specified keys are undone
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const s2 = undoableReducer(s1, { type: "@@undoable/undo" });
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expect(s2).toMatchObject({ a: 0, b: 1001 });
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// test backstop when no more history
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const s3 = undoableReducer(s2, { type: "@@undoable/undo" });
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expect(s3).toMatchObject({ a: 0, b: 1001 });
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});
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});
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describe("redo", () => {
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const initialState = { a: 0, b: 1000 };
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const reducer = (state) => {
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return { a: state.a + 1, b: state.b + 1 };
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};
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let UR;
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beforeEach(() => {
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UR = undoable(reducer, ["a"]);
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});
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test("expected state modifications", () => {
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const s1 = UR(initialState, { type: "test" });
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expect(s1).toMatchObject({ a: 1, b: 1001 });
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// verify undo->redo reverts state.
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const s2 = UR(UR(s1, { type: "@@undoable/undo" }), {
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type: "@@undoable/redo",
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});
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expect(s2).toMatchObject({ a: 1, b: 1001 });
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// verify backstop when no redo future
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const s3 = UR(s2, { type: "@@undoable/redo" });
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expect(s3).toMatchObject({ a: 1, b: 1001 });
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});
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test("history cleared", () => {
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// verify future cleared upon a normal state transition
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const s1 = UR(initialState, { type: "test" });
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expect(s1).toMatchObject({ a: 1, b: 1001 });
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const s2 = UR(s1, { type: "@@undoable/undo" });
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expect(s2).toMatchObject({ a: 0, b: 1001 });
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const s3 = UR(s2, { type: "test" });
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expect(s3).toMatchObject({ a: 1, b: 1002 });
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const s4 = UR(s3, { type: "@@undoable/redo" });
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expect(s4).toMatchObject({ a: 1, b: 1002 });
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});
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});
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/*
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TODO:
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- historyLimit is enforced
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- action filters
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*/
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