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rendering performance improvements (#968)

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* freeze objects

* component rendering perf work

* use PureComponent where safe

* remove obsolete WorldUtil code

* make brushable histogram a pure component
This commit is contained in:
Bruce Martin
2019-10-04 07:59:22 -07:00
committed by GitHub
parent 700c871e6d
commit 3f2811d9da
12 changed files with 47 additions and 190 deletions
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client/__tests__/util/stateManager/worldUtil.test.js
-62
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@@ -1,62 +0,0 @@
import {
countCategoryValues2D,
clearCaches
} from "../../../src/util/stateManager/worldUtil";
import * as Dataframe from "../../../src/util/dataframe";
describe("WorldUtil cache management", () => {
test("empty", () => {
const count = countCategoryValues2D(
"a",
"b",
new Dataframe.Dataframe([0, 0], [])
);
expect(count).toMatchObject(new Map());
expect(count.size).toBe(0);
});
test("simple couts", () => {
const df = new Dataframe.Dataframe(
[3, 2],
[[0, 0, 1], [false, true, false]],
null,
new Dataframe.KeyIndex(["a", "b"])
);
const count = countCategoryValues2D("a", "b", df);
expect(count).toMatchObject(
new Map([
[0, new Map([[true, 1], [false, 1]])],
[1, new Map([[false, 1]])]
])
);
});
test("memo cache clear", () => {
clearCaches();
const df1 = new Dataframe.Dataframe([0, 0], []);
const df2 = new Dataframe.Dataframe(
[3, 2],
[[0, 0, 1], [false, true, false]],
null,
new Dataframe.KeyIndex(["a", "b"])
);
const count1 = countCategoryValues2D("a", "b", df1);
const count2 = countCategoryValues2D("a", "b", df1);
const count3 = countCategoryValues2D("a", "b", df1.clone());
const count4 = countCategoryValues2D("a", "b", df2);
clearCaches();
const count10 = countCategoryValues2D("a", "b", df1);
const count11 = countCategoryValues2D("a", "b", df2);
expect(count1).toEqual(count2);
expect(count1).toEqual(count3);
expect(count1).toEqual(count10);
expect(count1).not.toBe(count3);
expect(count1).not.toBe(count10);
expect(count4).toEqual(count11);
expect(count4).not.toBe(count11);
});
});