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fix: rewrite collab element reconciliation to fix z-index issues (#4076)

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David Luzar 2021-10-27 15:14:20 +02:00 committed by GitHub
parent 8410972cff
commit d89fb3371b
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6 changed files with 562 additions and 84 deletions
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2
package.json
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@ -57,9 +57,11 @@
"devDependencies": {
"@excalidraw/eslint-config": "1.0.0",
"@excalidraw/prettier-config": "1.0.2",
"@types/chai": "4.2.22",
"@types/lodash.throttle": "4.1.6",
"@types/pako": "1.0.1",
"@types/resize-observer-browser": "0.1.5",
"chai": "4.3.4",
"eslint-config-prettier": "8.3.0",
"eslint-plugin-prettier": "3.3.1",
"firebase-tools": "9.9.0",

92
src/excalidraw-app/collab/CollabWrapper.tsx
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@ -8,10 +8,7 @@ import {
ExcalidrawElement,
InitializedExcalidrawImageElement,
} from "../../element/types";
import {
getElementMap,
getSceneVersion,
} from "../../packages/excalidraw/index";
import { getSceneVersion } from "../../packages/excalidraw/index";
import { Collaborator, Gesture } from "../../types";
import {
preventUnload,
@ -64,6 +61,10 @@ import {
isInitializedImageElement,
} from "../../element/typeChecks";
import { mutateElement } from "../../element/mutateElement";
import {
ReconciledElements,
reconcileElements as _reconcileElements,
} from "./reconciliation";
interface CollabState {
modalIsShown: boolean;
@ -87,10 +88,6 @@ export interface CollabAPI {
fetchImageFilesFromFirebase: CollabInstance["fetchImageFilesFromFirebase"];
}
type ReconciledElements = readonly ExcalidrawElement[] & {
_brand: "reconciledElements";
};
interface Props {
excalidrawAPI: ExcalidrawImperativeAPI;
onRoomClose?: () => void;
@ -227,7 +224,7 @@ class CollabWrapper extends PureComponent<Props, CollabState> {
});
saveCollabRoomToFirebase = async (
syncableElements: ExcalidrawElement[] = this.getSyncableElements(
syncableElements: readonly ExcalidrawElement[] = this.getSyncableElements(
this.excalidrawAPI.getSceneElementsIncludingDeleted(),
),
) => {
@ -484,65 +481,26 @@ class CollabWrapper extends PureComponent<Props, CollabState> {
};
private reconcileElements = (
elements: readonly ExcalidrawElement[],
remoteElements: readonly ExcalidrawElement[],
): ReconciledElements => {
const currentElements = this.getSceneElementsIncludingDeleted();
// create a map of ids so we don't have to iterate
// over the array more than once.
const localElementMap = getElementMap(currentElements);
const localElements = this.getSceneElementsIncludingDeleted();
const appState = this.excalidrawAPI.getAppState();
// Reconcile
const newElements: readonly ExcalidrawElement[] = elements
.reduce((elements, element) => {
// if the remote element references one that's currently
// edited on local, skip it (it'll be added in the next step)
if (
element.id === appState.editingElement?.id ||
element.id === appState.resizingElement?.id ||
element.id === appState.draggingElement?.id
) {
return elements;
}
if (
localElementMap.hasOwnProperty(element.id) &&
localElementMap[element.id].version > element.version
) {
elements.push(localElementMap[element.id]);
delete localElementMap[element.id];
} else if (
localElementMap.hasOwnProperty(element.id) &&
localElementMap[element.id].version === element.version &&
localElementMap[element.id].versionNonce !== element.versionNonce
) {
// resolve conflicting edits deterministically by taking the one with the lowest versionNonce
if (localElementMap[element.id].versionNonce < element.versionNonce) {
elements.push(localElementMap[element.id]);
} else {
// it should be highly unlikely that the two versionNonces are the same. if we are
// really worried about this, we can replace the versionNonce with the socket id.
elements.push(element);
}
delete localElementMap[element.id];
} else {
elements.push(element);
delete localElementMap[element.id];
}
return elements;
}, [] as Mutable<typeof elements>)
// add local elements that weren't deleted or on remote
.concat(...Object.values(localElementMap));
const reconciledElements = _reconcileElements(
localElements,
remoteElements,
appState,
);
// Avoid broadcasting to the rest of the collaborators the scene
// we just received!
// Note: this needs to be set before updating the scene as it
// synchronously calls render.
this.setLastBroadcastedOrReceivedSceneVersion(getSceneVersion(newElements));
this.setLastBroadcastedOrReceivedSceneVersion(
getSceneVersion(reconciledElements),
);
return newElements as ReconciledElements;
return reconciledElements;
};
private loadImageFiles = throttle(async () => {
@ -681,11 +639,7 @@ class CollabWrapper extends PureComponent<Props, CollabState> {
getSceneVersion(elements) >
this.getLastBroadcastedOrReceivedSceneVersion()
) {
this.portal.broadcastScene(
SCENE.UPDATE,
this.getSyncableElements(elements),
false,
);
this.portal.broadcastScene(SCENE.UPDATE, elements, false);
this.lastBroadcastedOrReceivedSceneVersion = getSceneVersion(elements);
this.queueBroadcastAllElements();
}
@ -694,9 +648,7 @@ class CollabWrapper extends PureComponent<Props, CollabState> {
queueBroadcastAllElements = throttle(() => {
this.portal.broadcastScene(
SCENE.UPDATE,
this.getSyncableElements(
this.excalidrawAPI.getSceneElementsIncludingDeleted(),
),
this.excalidrawAPI.getSceneElementsIncludingDeleted(),
true,
);
const currentVersion = this.getLastBroadcastedOrReceivedSceneVersion();
@ -722,8 +674,12 @@ class CollabWrapper extends PureComponent<Props, CollabState> {
});
};
isSyncableElement = (element: ExcalidrawElement) => {
return element.isDeleted || !isInvisiblySmallElement(element);
};
getSyncableElements = (elements: readonly ExcalidrawElement[]) =>
elements.filter((el) => el.isDeleted || !isInvisiblySmallElement(el));
elements.filter((element) => this.isSyncableElement(element));
/** PRIVATE. Use `this.getContextValue()` instead. */
private contextValue: CollabAPI | null = null;

40
src/excalidraw-app/collab/Portal.tsx
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@ -12,6 +12,7 @@ import { UserIdleState } from "../../types";
import { trackEvent } from "../../analytics";
import { throttle } from "lodash";
import { mutateElement } from "../../element/mutateElement";
import { BroadcastedExcalidrawElement } from "./reconciliation";
class Portal {
collab: CollabWrapper;
@ -40,9 +41,7 @@ class Portal {
this.socket.on("new-user", async (_socketId: string) => {
this.broadcastScene(
SCENE.INIT,
this.collab.getSyncableElements(
this.collab.getSceneElementsIncludingDeleted(),
),
this.collab.getSceneElementsIncludingDeleted(),
/* syncAll */ true,
);
});
@ -124,24 +123,35 @@ class Portal {
broadcastScene = async (
sceneType: SCENE.INIT | SCENE.UPDATE,
syncableElements: ExcalidrawElement[],
allElements: readonly ExcalidrawElement[],
syncAll: boolean,
) => {
if (sceneType === SCENE.INIT && !syncAll) {
throw new Error("syncAll must be true when sending SCENE.INIT");
}
if (!syncAll) {
// sync out only the elements we think we need to to save bandwidth.
// periodically we'll resync the whole thing to make sure no one diverges
// due to a dropped message (server goes down etc).
syncableElements = syncableElements.filter(
(syncableElement) =>
!this.broadcastedElementVersions.has(syncableElement.id) ||
syncableElement.version >
this.broadcastedElementVersions.get(syncableElement.id)!,
);
}
// sync out only the elements we think we need to to save bandwidth.
// periodically we'll resync the whole thing to make sure no one diverges
// due to a dropped message (server goes down etc).
const syncableElements = allElements.reduce(
(acc, element: BroadcastedExcalidrawElement, idx, elements) => {
if (
(syncAll ||
!this.broadcastedElementVersions.has(element.id) ||
element.version >
this.broadcastedElementVersions.get(element.id)!) &&
this.collab.isSyncableElement(element)
) {
acc.push({
...element,
// z-index info for the reconciler
parent: idx === 0 ? "^" : elements[idx - 1]?.id,
});
}
return acc;
},
[] as BroadcastedExcalidrawElement[],
);
const data: SocketUpdateDataSource[typeof sceneType] = {
type: sceneType,

162
src/excalidraw-app/collab/reconciliation.ts Normal file
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@ -0,0 +1,162 @@
import { ExcalidrawElement } from "../../element/types";
import { AppState } from "../../types";
export type ReconciledElements = readonly ExcalidrawElement[] & {
_brand: "reconciledElements";
};
export type BroadcastedExcalidrawElement = ExcalidrawElement & {
parent?: string;
};
const shouldDiscardRemoteElement = (
localAppState: AppState,
local: ExcalidrawElement | undefined,
remote: BroadcastedExcalidrawElement,
): boolean => {
if (
local &&
// local element is being edited
(local.id === localAppState.editingElement?.id ||
local.id === localAppState.resizingElement?.id ||
local.id === localAppState.draggingElement?.id ||
// local element is newer
local.version > remote.version ||
// resolve conflicting edits deterministically by taking the one with
// the lowest versionNonce
(local.version === remote.version &&
local.versionNonce < remote.versionNonce))
) {
return true;
}
return false;
};
const getElementsMapWithIndex = <T extends ExcalidrawElement>(
elements: readonly T[],
) =>
elements.reduce(
(
acc: {
[key: string]: [element: T, index: number] | undefined;
},
element: T,
idx,
) => {
acc[element.id] = [element, idx];
return acc;
},
{},
);
export const reconcileElements = (
localElements: readonly ExcalidrawElement[],
remoteElements: readonly BroadcastedExcalidrawElement[],
localAppState: AppState,
): ReconciledElements => {
const localElementsData = getElementsMapWithIndex<ExcalidrawElement>(
localElements,
);
const reconciledElements: ExcalidrawElement[] = localElements.slice();
const duplicates = new WeakMap<ExcalidrawElement, true>();
let cursor = 0;
let offset = 0;
let remoteElementIdx = -1;
for (const remoteElement of remoteElements) {
remoteElementIdx++;
const local = localElementsData[remoteElement.id];
if (shouldDiscardRemoteElement(localAppState, local?.[0], remoteElement)) {
if (remoteElement.parent) {
delete remoteElement.parent;
}
continue;
}
if (local) {
// mark for removal since it'll be replaced with the remote element
duplicates.set(local[0], true);
}
// parent may not be defined in case the remote client is running an older
// excalidraw version
const parent =
remoteElement.parent || remoteElements[remoteElementIdx - 1]?.id || null;
if (parent != null) {
delete remoteElement.parent;
// ^ indicates the element is the first in elements array
if (parent === "^") {
offset++;
if (cursor === 0) {
reconciledElements.unshift(remoteElement);
localElementsData[remoteElement.id] = [
remoteElement,
cursor - offset,
];
} else {
reconciledElements.splice(cursor + 1, 0, remoteElement);
localElementsData[remoteElement.id] = [
remoteElement,
cursor + 1 - offset,
];
cursor++;
}
} else {
let idx = localElementsData[parent]
? localElementsData[parent]![1]
: null;
if (idx != null) {
idx += offset;
}
if (idx != null && idx >= cursor) {
reconciledElements.splice(idx + 1, 0, remoteElement);
offset++;
localElementsData[remoteElement.id] = [
remoteElement,
idx + 1 - offset,
];
cursor = idx + 1;
} else if (idx != null) {
reconciledElements.splice(cursor + 1, 0, remoteElement);
offset++;
localElementsData[remoteElement.id] = [
remoteElement,
cursor + 1 - offset,
];
cursor++;
} else {
reconciledElements.push(remoteElement);
localElementsData[remoteElement.id] = [
remoteElement,
reconciledElements.length - 1 - offset,
];
}
}
// no parent z-index information, local element exists → replace in place
} else if (local) {
reconciledElements[local[1]] = remoteElement;
localElementsData[remoteElement.id] = [remoteElement, local[1]];
// otherwise push to the end
} else {
reconciledElements.push(remoteElement);
localElementsData[remoteElement.id] = [
remoteElement,
reconciledElements.length - 1 - offset,
];
}
}
const ret: readonly ExcalidrawElement[] = reconciledElements.filter(
(element) => !duplicates.has(element),
);
return ret as ReconciledElements;
};

304
src/tests/reconciliation.test.ts Normal file
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@ -0,0 +1,304 @@
import { expect } from "chai";
import { ExcalidrawElement } from "../element/types";
import {
BroadcastedExcalidrawElement,
ReconciledElements,
reconcileElements,
} from "../excalidraw-app/collab/reconciliation";
import { randomInteger } from "../random";
import { AppState } from "../types";
type Id = string;
type Ids = Id[];
type Cache = Record<string, ExcalidrawElement | undefined>;
const parseId = (uid: string) => {
const [, parent, id, version] = uid.match(
/^(?:\((\^|\w+)\))?(\w+)(?::(\d+))?(?:\((\w+)\))?$/,
)!;
return {
uid: version ? `${id}:${version}` : id,
id,
version: version ? parseInt(version) : null,
parent: parent || null,
};
};
const idsToElements = (
ids: Ids,
cache: Cache = {},
): readonly ExcalidrawElement[] => {
return ids.reduce((acc, _uid, idx) => {
const { uid, id, version, parent } = parseId(_uid);
const cached = cache[uid];
const elem = {
id,
version: version ?? 0,
versionNonce: randomInteger(),
...cached,
parent,
} as BroadcastedExcalidrawElement;
cache[uid] = elem;
acc.push(elem);
return acc;
}, [] as ExcalidrawElement[]);
};
const addParents = (elements: BroadcastedExcalidrawElement[]) => {
return elements.map((el, idx, els) => {
el.parent = els[idx - 1]?.id || "^";
return el;
});
};
const cleanElements = (elements: ReconciledElements) => {
return elements.map((el) => {
// @ts-ignore
delete el.parent;
// @ts-ignore
delete el.next;
// @ts-ignore
delete el.prev;
return el;
});
};
const cloneDeep = (data: any) => JSON.parse(JSON.stringify(data));
const test = <U extends `${string}:${"L" | "R"}`>(
local: Ids,
remote: Ids,
target: U[],
bidirectional = true,
) => {
const cache: Cache = {};
const _local = idsToElements(local, cache);
const _remote = idsToElements(remote, cache);
const _target = (target.map((uid) => {
const [, id, source] = uid.match(/^(\w+):([LR])$/)!;
return (source === "L" ? _local : _remote).find((e) => e.id === id)!;
}) as any) as ReconciledElements;
const remoteReconciled = reconcileElements(_local, _remote, {} as AppState);
expect(cleanElements(remoteReconciled)).deep.equal(
cleanElements(_target),
"remote reconciliation",
);
const __local = cleanElements(cloneDeep(_remote));
const __remote = addParents(cleanElements(cloneDeep(remoteReconciled)));
if (bidirectional) {
try {
expect(
cleanElements(
reconcileElements(
cloneDeep(__local),
cloneDeep(__remote),
{} as AppState,
),
),
).deep.equal(cleanElements(remoteReconciled), "local re-reconciliation");
} catch (error) {
console.error("local original", __local);
console.error("remote reconciled", __remote);
throw error;
}
}
};
export const findIndex = <T>(
array: readonly T[],
cb: (element: T, index: number, array: readonly T[]) => boolean,
fromIndex: number = 0,
) => {
if (fromIndex < 0) {
fromIndex = array.length + fromIndex;
}
fromIndex = Math.min(array.length, Math.max(fromIndex, 0));
let index = fromIndex - 1;
while (++index < array.length) {
if (cb(array[index], index, array)) {
return index;
}
}
return -1;
};
// -----------------------------------------------------------------------------
describe("elements reconciliation", () => {
it("reconcileElements()", () => {
// -------------------------------------------------------------------------
//
// in following tests, we pass:
// (1) an array of local elements and their version (:1, :2...)
// (2) an array of remote elements and their version (:1, :2...)
// (3) expected reconciled elements
//
// in the reconciled array:
// :L means local element was resolved
// :R means remote element was resolved
//
// if a remote element is prefixed with parentheses, the enclosed string:
// (^) means the element is the first element in the array
// (<id>) means the element is preceded by <id> element
//
// if versions are missing, it defaults to version 0
// -------------------------------------------------------------------------
// non-annotated elements
// -------------------------------------------------------------------------
// usually when we sync elements they should always be annonated with
// their (preceding elements) parents, but let's test a couple of cases when
// they're not for whatever reason (remote clients are on older version...),
// in which case the first synced element either replaces existing element
// or is pushed at the end of the array
test(["A:1", "B:1", "C:1"], ["B:2"], ["A:L", "B:R", "C:L"]);
test(["A:1", "B:1", "C"], ["B:2", "A:2"], ["B:R", "A:R", "C:L"]);
test(["A:2", "B:1", "C"], ["B:2", "A:1"], ["A:L", "B:R", "C:L"]);
test(["A:1", "B:1"], ["C:1"], ["A:L", "B:L", "C:R"]);
test(["A", "B"], ["A:1"], ["A:R", "B:L"]);
test(["A"], ["A", "B"], ["A:L", "B:R"]);
test(["A"], ["A:1", "B"], ["A:R", "B:R"]);
test(["A:2"], ["A:1", "B"], ["A:L", "B:R"]);
test(["A:2"], ["B", "A:1"], ["A:L", "B:R"]);
test(["A:1"], ["B", "A:2"], ["B:R", "A:R"]);
test(["A"], ["A:1"], ["A:R"]);
// C isn't added to the end because it follows B (even if B was resolved
// to local version)
test(["A", "B:1", "D"], ["B", "C:2", "A"], ["B:L", "C:R", "A:R", "D:L"]);
// some of the following tests are kinda arbitrary and they're less
// likely to happen in real-world cases
test(["A", "B"], ["B:1", "A:1"], ["B:R", "A:R"]);
test(["A:2", "B:2"], ["B:1", "A:1"], ["A:L", "B:L"]);
test(["A", "B", "C"], ["A", "B:2", "G", "C"], ["A:L", "B:R", "G:R", "C:L"]);
test(["A", "B", "C"], ["A", "B:2", "G"], ["A:L", "B:R", "G:R", "C:L"]);
test(["A", "B", "C"], ["A", "B:2", "G"], ["A:L", "B:R", "G:R", "C:L"]);
test(
["A:2", "B:2", "C"],
["D", "B:1", "A:3"],
["B:L", "A:R", "C:L", "D:R"],
);
test(
["A:2", "B:2", "C"],
["D", "B:2", "A:3", "C"],
["D:R", "B:L", "A:R", "C:L"],
);
test(
["A", "B", "C", "D", "E", "F"],
["A", "B:2", "X", "E:2", "F", "Y"],
["A:L", "B:R", "X:R", "E:R", "F:L", "Y:R", "C:L", "D:L"],
);
// annotated elements
// -------------------------------------------------------------------------
test(
["A", "B", "C"],
["(B)X", "(A)Y", "(Y)Z"],
["A:L", "B:L", "X:R", "Y:R", "Z:R", "C:L"],
);
test(["A"], ["(^)X", "Y"], ["X:R", "Y:R", "A:L"]);
test(["A"], ["(^)X", "Y", "Z"], ["X:R", "Y:R", "Z:R", "A:L"]);
test(
["A", "B"],
["(A)C", "(^)D", "F"],
["A:L", "C:R", "D:R", "F:R", "B:L"],
);
test(
["A", "B", "C", "D"],
["(B)C:1", "B", "D:1"],
["A:L", "C:R", "B:L", "D:R"],
);
test(
["A", "B", "C"],
["(^)X", "(A)Y", "(B)Z"],
["X:R", "A:L", "Y:R", "B:L", "Z:R", "C:L"],
);
test(
["B", "A", "C"],
["(^)X", "(A)Y", "(B)Z"],
["X:R", "B:L", "A:L", "Y:R", "Z:R", "C:L"],
);
test(["A", "B"], ["(A)X", "(A)Y"], ["A:L", "X:R", "Y:R", "B:L"]);
test(
["A", "B", "C", "D", "E"],
["(A)X", "(C)Y", "(D)Z"],
["A:L", "X:R", "B:L", "C:L", "Y:R", "D:L", "Z:R", "E:L"],
);
test(
["X", "Y", "Z"],
["(^)A", "(A)B", "(B)C", "(C)X", "(X)D", "(D)Y", "(Y)Z"],
["A:R", "B:R", "C:R", "X:L", "D:R", "Y:L", "Z:L"],
);
test(
["A", "B", "C", "D", "E"],
["(C)X", "(A)Y", "(D)E:1"],
["A:L", "B:L", "C:L", "X:R", "Y:R", "D:L", "E:R"],
);
test(
["C:1", "B", "D:1"],
["A", "B", "C:1", "D:1"],
["A:R", "B:L", "C:L", "D:L"],
);
test(
["A", "B", "C", "D"],
["(A)C:1", "(C)B", "(B)D:1"],
["A:L", "C:R", "B:L", "D:R"],
);
test(
["A", "B", "C", "D"],
["(A)C:1", "(C)B", "(B)D:1"],
["A:L", "C:R", "B:L", "D:R"],
);
test(
["C:1", "B", "D:1"],
["(^)A", "(A)B", "(B)C:2", "(C)D:1"],
["A:R", "B:L", "C:R", "D:L"],
);
test(
["A", "B", "C", "D"],
["(C)X", "(B)Y", "(A)Z"],
["A:L", "B:L", "C:L", "X:R", "Y:R", "Z:R", "D:L"],
);
test(["A", "B", "C", "D"], ["(A)B:1", "C:1"], ["A:L", "B:R", "C:R", "D:L"]);
test(["A", "B", "C", "D"], ["(A)C:1", "B:1"], ["A:L", "C:R", "B:R", "D:L"]);
test(
["A", "B", "C", "D"],
["(A)C:1", "B", "D:1"],
["A:L", "C:R", "B:L", "D:R"],
);
test(["A:1", "B:1", "C"], ["B:2"], ["A:L", "B:R", "C:L"]);
test(["A:1", "B:1", "C"], ["B:2", "C:2"], ["A:L", "B:R", "C:R"]);
test(["A", "B"], ["(A)C", "(B)D"], ["A:L", "C:R", "B:L", "D:R"]);
test(["A", "B"], ["(X)C", "(X)D"], ["A:L", "B:L", "C:R", "D:R"]);
test(["A", "B"], ["(X)C", "(A)D"], ["A:L", "D:R", "B:L", "C:R"]);
test(["A", "B"], ["(A)B:1"], ["A:L", "B:R"]);
test(["A:2", "B"], ["(A)B:1"], ["A:L", "B:R"]);
test(["A:2", "B:2"], ["B:1"], ["A:L", "B:L"]);
test(["A:2", "B:2"], ["B:1", "C"], ["A:L", "B:L", "C:R"]);
test(["A:2", "B:2"], ["(A)C", "B:1"], ["A:L", "C:R", "B:L"]);
test(["A:2", "B:2"], ["(A)C", "B:1"], ["A:L", "C:R", "B:L"]);
});
});

46
yarn.lock
View File

@ -2207,6 +2207,11 @@
dependencies:
"@babel/types" "^7.3.0"
"@types/chai@4.2.22":
version "4.2.22"
resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.22.tgz#47020d7e4cf19194d43b5202f35f75bd2ad35ce7"
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"@types/duplexify@^3.6.0":
version "3.6.0"
resolved "https://registry.npmjs.org/@types/duplexify/-/duplexify-3.6.0.tgz"
@ -3160,6 +3165,11 @@ assert@^1.1.1:
object-assign "^4.1.1"
util "0.10.3"
assertion-error@^1.1.0:
version "1.1.0"
resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
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version "1.0.0"
resolved "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz"
@ -4051,6 +4061,18 @@ caseless@~0.12.0:
resolved "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz"
integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
chai@4.3.4:
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resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.4.tgz#b55e655b31e1eac7099be4c08c21964fce2e6c49"
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dependencies:
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check-error "^1.0.2"
deep-eql "^3.0.1"
get-func-name "^2.0.0"
pathval "^1.1.1"
type-detect "^4.0.5"
chainsaw@~0.1.0:
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resolved "https://registry.npmjs.org/chainsaw/-/chainsaw-0.1.0.tgz"
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resolved "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz"
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resolved "https://registry.yarnpkg.com/check-error/-/check-error-1.0.2.tgz#574d312edd88bb5dd8912e9286dd6c0aed4aac82"
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resolved "https://registry.npmjs.org/check-types/-/check-types-11.1.2.tgz"
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resolved "https://registry.npmjs.org/dedent/-/dedent-0.7.0.tgz"
integrity sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=
deep-eql@^3.0.1:
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resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-3.0.1.tgz#dfc9404400ad1c8fe023e7da1df1c147c4b444df"
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dependencies:
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deep-equal@^1.0.1:
version "1.1.1"
resolved "https://registry.npmjs.org/deep-equal/-/deep-equal-1.1.1.tgz"
@ -6902,6 +6936,11 @@ get-caller-file@^2.0.1:
resolved "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz"
integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
get-func-name@^2.0.0:
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resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
get-intrinsic@^1.0.2, get-intrinsic@^1.1.0, get-intrinsic@^1.1.1:
version "1.1.1"
resolved "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.1.tgz"
@ -10790,6 +10829,11 @@ path-type@^4.0.0:
resolved "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz"
integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
pathval@^1.1.1:
version "1.1.1"
resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.1.tgz#8534e77a77ce7ac5a2512ea21e0fdb8fcf6c3d8d"
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pbkdf2@^3.0.3:
version "3.1.1"
resolved "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.1.1.tgz"
@ -14154,7 +14198,7 @@ type-check@~0.3.2:
dependencies:
prelude-ls "~1.1.2"
type-detect@4.0.8:
type-detect@4.0.8, type-detect@^4.0.0, type-detect@^4.0.5:
version "4.0.8"
resolved "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz"
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