chore: Remove lodash times in favor of foundation fn (AztecProtocol#3877

)

See
AztecProtocol#3775 (comment)
for context

yarn-project/archiver/package.json

@@ -58,7 +58,6 @@
     "concurrently": "^8.0.1",
     "jest": "^29.5.0",
     "jest-mock-extended": "^3.0.4",
-    "lodash.times": "^4.3.2",
     "ts-jest": "^29.1.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.0.4"

yarn-project/archiver/src/archiver/archiver.test.ts

@@ -1,13 +1,13 @@
 import { ExtendedContractData, L2Block, L2BlockL2Logs, LogType } from '@aztec/circuit-types';
 import { NUMBER_OF_L1_L2_MESSAGES_PER_ROLLUP } from '@aztec/circuits.js';
 import { AztecAddress } from '@aztec/foundation/aztec-address';
+import { times } from '@aztec/foundation/collection';
 import { EthAddress } from '@aztec/foundation/eth-address';
 import { Fr } from '@aztec/foundation/fields';
 import { sleep } from '@aztec/foundation/sleep';
 import { ContractDeploymentEmitterAbi, InboxAbi, RollupAbi } from '@aztec/l1-artifacts';
 
 import { MockProxy, mock } from 'jest-mock-extended';
-import times from 'lodash.times';
 import { Chain, HttpTransport, Log, PublicClient, Transaction, encodeFunctionData, toHex } from 'viem';
 
 import { Archiver } from './archiver.js';

yarn-project/circuit-types/src/l2_block.ts

@@ -10,13 +10,12 @@ import {
   STRING_ENCODING,
 } from '@aztec/circuits.js';
 import { makeAppendOnlyTreeSnapshot, makeGlobalVariables, makeHeader } from '@aztec/circuits.js/factories';
+import { times } from '@aztec/foundation/collection';
 import { keccak, sha256 } from '@aztec/foundation/crypto';
 import { Fr } from '@aztec/foundation/fields';
 import { createDebugLogger } from '@aztec/foundation/log';
 import { BufferReader, serializeToBuffer } from '@aztec/foundation/serialize';
 
-import times from 'lodash.times';
-
 import { ContractData } from './contract_data.js';
 import { L2Tx } from './l2_tx.js';
 import { LogType, TxL2Logs } from './logs/index.js';

yarn-project/circuit-types/src/l2_tx.ts

@@ -6,11 +6,10 @@ import {
   MAX_PUBLIC_DATA_UPDATE_REQUESTS_PER_TX,
   Vector,
 } from '@aztec/circuits.js';
+import { times } from '@aztec/foundation/collection';
 import { Fr } from '@aztec/foundation/fields';
 import { BufferReader, numToUInt32BE } from '@aztec/foundation/serialize';
 
-import times from 'lodash.times';
-
 import { ContractData } from './contract_data.js';
 import { PublicDataWrite } from './public_data_write.js';
 import { TxHash } from './tx/tx_hash.js';

yarn-project/circuit-types/src/mocks.ts

@@ -9,11 +9,10 @@ import {
 } from '@aztec/circuits.js';
 import { makePrivateKernelPublicInputsFinal, makePublicCallRequest } from '@aztec/circuits.js/factories';
 import { ContractArtifact } from '@aztec/foundation/abi';
+import { times } from '@aztec/foundation/collection';
 import { randomBytes } from '@aztec/foundation/crypto';
 import { Tuple } from '@aztec/foundation/serialize';
 
-import times from 'lodash.times';
-
 import { ExtendedContractData } from './contract_data.js';
 import { DeployedContract } from './interfaces/index.js';
 import { FunctionL2Logs, Note, TxL2Logs } from './logs/index.js';

yarn-project/circuits.js/package.json

@@ -43,14 +43,12 @@
     "@aztec/foundation": "workspace:^",
     "eslint": "^8.35.0",
     "lodash.chunk": "^4.2.0",
-    "lodash.times": "^4.3.2",
     "tslib": "^2.4.0"
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
     "@types/jest": "^29.5.0",
     "@types/lodash.chunk": "^4.2.7",
-    "@types/lodash.times": "^4.3.7",
     "@types/node": "^18.7.23",
     "jest": "^29.5.0",
     "prettier": "^2.8.4",

yarn-project/circuits.js/src/abis/abis.test.ts

@@ -1,4 +1,4 @@
-import times from 'lodash.times';
+import { times } from '@aztec/foundation/collection';
 
 import {
   AztecAddress,

yarn-project/circuits.js/src/structs/aggregation_object.ts

@@ -1,8 +1,7 @@
+import { times } from '@aztec/foundation/collection';
 import { Fq, Fr } from '@aztec/foundation/fields';
 import { BufferReader, serializeToBuffer } from '@aztec/foundation/serialize';
 
-import times from 'lodash.times';
-
 import { UInt32, Vector } from './shared.js';
 import { G1AffineElement } from './verification_key.js';
 

yarn-project/circuits.js/src/structs/verification_key.ts

@@ -1,7 +1,6 @@
+import { times } from '@aztec/foundation/collection';
 import { BufferReader, serializeToBuffer } from '@aztec/foundation/serialize';
 
-import times from 'lodash.times';
-
 import { Fq } from './index.js';
 import { CircuitType } from './shared.js';
 

yarn-project/end-to-end/package.json

@@ -48,7 +48,6 @@
     "@types/koa-static": "^4.0.2",
     "@types/levelup": "^5.1.2",
     "@types/lodash.every": "^4.6.7",
-    "@types/lodash.times": "^4.3.7",
     "@types/memdown": "^3.0.3",
     "@types/node": "^18.7.23",
     "buffer": "^6.0.3",
@@ -61,7 +60,6 @@
     "lmdb": "^2.9.1",
     "lodash.compact": "^3.0.1",
     "lodash.every": "^4.6.0",
-    "lodash.times": "^4.3.2",
     "memdown": "^6.1.1",
     "process": "^0.11.10",
     "puppeteer": "^21.3.4",

yarn-project/end-to-end/src/benchmarks/utils.ts

@@ -10,12 +10,12 @@ import {
   retryUntil,
   sleep,
 } from '@aztec/aztec.js';
+import { times } from '@aztec/foundation/collection';
 import { BenchmarkingContract } from '@aztec/noir-contracts/Benchmarking';
 import { PXEService, createPXEService } from '@aztec/pxe';
 
 import { mkdirpSync } from 'fs-extra';
 import { globSync } from 'glob';
-import times from 'lodash.times';
 import { join } from 'path';
 
 import { EndToEndContext, setup } from '../fixtures/utils.js';

yarn-project/end-to-end/src/e2e_block_building.test.ts

@@ -12,12 +12,11 @@ import {
   Wallet,
   isContractDeployed,
 } from '@aztec/aztec.js';
+import { times } from '@aztec/foundation/collection';
 import { pedersenHash } from '@aztec/foundation/crypto';
 import { TestContract, TestContractArtifact } from '@aztec/noir-contracts/Test';
 import { TokenContract } from '@aztec/noir-contracts/Token';
 
-import times from 'lodash.times';
-
 import { setup } from './fixtures/utils.js';
 
 describe('e2e_block_building', () => {

yarn-project/foundation/src/collection/array.test.ts

@@ -0,0 +1,13 @@
+import { times } from './array.js';
+
+describe('times', () => {
+  it('should return an array with the result from all executions', () => {
+    const result = times(5, i => i * 2);
+    expect(result).toEqual([0, 2, 4, 6, 8]);
+  });
+
+  it('should return an empty array when n is 0', () => {
+    const result = times(0, i => i * 2);
+    expect(result).toEqual([]);
+  });
+});

yarn-project/foundation/src/collection/array.ts

@@ -52,3 +52,13 @@ export function isArrayEmpty<T>(arr: T[], isEmpty: (item: T) => boolean): boolea
 export function arrayNonEmptyLength<T>(arr: T[], isEmpty: (item: T) => boolean): number {
   return arr.reduce((sum, item) => (isEmpty(item) ? sum : sum + 1), 0);
 }
+
+/**
+ * Executes the given function n times and returns the results in an array.
+ * @param n - How many times to repeat.
+ * @param fn - Mapper from index to value.
+ * @returns The array with the result from all executions.
+ */
+export function times<T>(n: number, fn: (i: number) => T): T[] {
+  return [...Array(n).keys()].map(i => fn(i));
+}

yarn-project/noir-compiler/package.json

@@ -53,7 +53,6 @@
     "fs-extra": "^11.1.1",
     "lodash.camelcase": "^4.3.0",
     "lodash.capitalize": "^4.2.1",
-    "lodash.times": "^4.3.2",
     "memfs": "^4.6.0",
     "pako": "^2.1.0",
     "semver": "^7.5.4",
@@ -66,7 +65,6 @@
     "@types/jest": "^29.5.0",
     "@types/lodash.camelcase": "^4.3.7",
     "@types/lodash.capitalize": "^4.2.7",
-    "@types/lodash.times": "^4.3.7",
     "@types/node": "^18.7.23",
     "@types/pako": "^2.0.0",
     "@types/semver": "^7.5.4",

yarn-project/noir-compiler/src/contract-interface-gen/noir.ts

@@ -7,10 +7,10 @@ import {
   FunctionType,
   StructType,
 } from '@aztec/foundation/abi';
+import { times } from '@aztec/foundation/collection';
 
 import camelCase from 'lodash.camelcase';
 import capitalize from 'lodash.capitalize';
-import times from 'lodash.times';
 
 /**
  * Returns whether this function type corresponds to a private call.

yarn-project/p2p/package.json

@@ -49,14 +49,12 @@
     "@libp2p/tcp": "^8.0.4",
     "it-pipe": "^3.0.1",
     "libp2p": "^0.46.6",
-    "lodash.times": "^4.3.2",
     "sha3": "^2.1.4",
     "tslib": "^2.4.0"
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
     "@types/jest": "^29.5.0",
-    "@types/lodash.times": "^4.3.7",
     "@types/node": "^18.14.6",
     "jest": "^29.5.0",
     "jest-mock-extended": "^3.0.4",

yarn-project/pxe/package.json

@@ -46,7 +46,6 @@
     "koa": "^2.14.2",
     "koa-router": "^12.0.0",
     "lodash.omit": "^4.5.0",
-    "lodash.times": "^4.3.2",
     "sha3": "^2.1.4",
     "tslib": "^2.4.0",
     "viem": "^1.2.5"
@@ -55,7 +54,6 @@
     "@jest/globals": "^29.5.0",
     "@types/jest": "^29.5.0",
     "@types/lodash.omit": "^4.5.7",
-    "@types/lodash.times": "^4.3.7",
     "@types/node": "^18.7.23",
     "jest": "^29.5.0",
     "jest-mock-extended": "^3.0.3",

yarn-project/sequencer-client/package.json

@@ -45,7 +45,6 @@
     "@aztec/world-state": "workspace:^",
     "lodash.chunk": "^4.2.0",
     "lodash.pick": "^4.4.0",
-    "lodash.times": "^4.3.2",
     "tslib": "^2.4.0",
     "viem": "^1.2.5"
   },
@@ -55,7 +54,6 @@
     "@types/levelup": "^5.1.2",
     "@types/lodash.chunk": "^4.2.7",
     "@types/lodash.pick": "^4.4.7",
-    "@types/lodash.times": "^4.3.7",
     "@types/memdown": "^3.0.0",
     "@types/node": "^18.7.23",
     "concurrently": "^7.6.0",

yarn-project/sequencer-client/src/block_builder/solo_block_builder.test.ts

@@ -47,12 +47,12 @@ import {
 } from '@aztec/circuits.js/factories';
 import { makeTuple, range } from '@aztec/foundation/array';
 import { toBufferBE } from '@aztec/foundation/bigint-buffer';
+import { times } from '@aztec/foundation/collection';
 import { to2Fields } from '@aztec/foundation/serialize';
 import { MerkleTreeOperations, MerkleTrees } from '@aztec/world-state';
 
 import { MockProxy, mock } from 'jest-mock-extended';
 import { default as levelup } from 'levelup';
-import times from 'lodash.times';
 import { type MemDown, default as memdown } from 'memdown';
 
 import { VerificationKeys, getVerificationKeys } from '../mocks/verification_keys.js';

yarn-project/sequencer-client/src/sequencer/public_processor.test.ts

@@ -34,12 +34,11 @@ import {
   makeSelector,
 } from '@aztec/circuits.js/factories';
 import { makeTuple } from '@aztec/foundation/array';
-import { padArrayEnd } from '@aztec/foundation/collection';
+import { padArrayEnd, times } from '@aztec/foundation/collection';
 import { SiblingPath } from '@aztec/types/membership';
 import { MerkleTreeOperations, TreeInfo } from '@aztec/world-state';
 
 import { MockProxy, mock } from 'jest-mock-extended';
-import times from 'lodash.times';
 
 import { PublicProver } from '../prover/index.js';
 import { PublicKernelCircuitSimulator } from '../simulator/index.js';

yarn-project/sequencer-client/src/sequencer/sequencer.test.ts

@@ -15,11 +15,11 @@ import {
   NUMBER_OF_L1_L2_MESSAGES_PER_ROLLUP,
   makeEmptyProof,
 } from '@aztec/circuits.js';
+import { times } from '@aztec/foundation/collection';
 import { P2P, P2PClientState } from '@aztec/p2p';
 import { MerkleTreeOperations, WorldStateRunningState, WorldStateSynchronizer } from '@aztec/world-state';
 
 import { MockProxy, mock, mockFn } from 'jest-mock-extended';
-import times from 'lodash.times';
 
 import { BlockBuilder } from '../block_builder/index.js';
 import { GlobalVariableBuilder } from '../global_variable_builder/global_builder.js';

yarn-project/sequencer-client/src/sequencer/sequencer.ts

@@ -1,15 +1,14 @@
 import { L1ToL2MessageSource, L2Block, L2BlockSource, MerkleTreeId, Tx } from '@aztec/circuit-types';
 import { L2BlockBuiltStats } from '@aztec/circuit-types/stats';
 import { GlobalVariables } from '@aztec/circuits.js';
+import { times } from '@aztec/foundation/collection';
 import { Fr } from '@aztec/foundation/fields';
 import { createDebugLogger } from '@aztec/foundation/log';
 import { RunningPromise } from '@aztec/foundation/running-promise';
 import { Timer, elapsed } from '@aztec/foundation/timer';
 import { P2P } from '@aztec/p2p';
 import { WorldStateStatus, WorldStateSynchronizer } from '@aztec/world-state';
 
-import times from 'lodash.times';
-
 import { BlockBuilder } from '../block_builder/index.js';
 import { GlobalVariableBuilder } from '../global_variable_builder/global_builder.js';
 import { L1Publisher } from '../publisher/l1-publisher.js';

yarn-project/world-state/package.json

@@ -36,15 +36,13 @@
     "@aztec/merkle-tree": "workspace:^",
     "@aztec/types": "workspace:^",
     "levelup": "^5.1.1",
-    "lodash.times": "^4.3.2",
     "memdown": "^6.1.1",
     "tslib": "^2.4.0"
   },
   "devDependencies": {
     "@jest/globals": "^29.5.0",
     "@types/jest": "^29.5.0",
     "@types/levelup": "^5.1.2",
-    "@types/lodash.times": "^4.3.7",
     "@types/memdown": "^3.0.0",
     "@types/node": "^18.7.23",
     "jest": "^29.5.0",