Reduce dependencies on lodash (#1467)

* assign -> Object.assign

* replace isundefined

* remove forEach

* remove some

* remove reduce

* remove keys

* remove map

* remove includes

* remove filter

* remove last

* remove isstring

* remove every

* remove rearg

* remove indexOf

* remove values

* remove startswith

* remove first and pick

* build smaller lodash

* remove lodash.isequal package

* add lodash-cli dev dependency

* add lodash script

* test fix

* Revert "build smaller lodash" This reverts commit 979446e57f60b29cb5d377b54efe91cfbeae0707.

* upgrade npm

* change ===/!== undefined to ==/!= null

test/integration/integration-test.ts

@@ -29,7 +29,7 @@ function verifyTransaction(testcase, hash, type, options, txData, address) {
       assert.strictEqual(data.type, type)
       assert.strictEqual(data.address, address)
       assert.strictEqual(data.outcome.result, 'tesSUCCESS')
-      if (testcase.transactions !== undefined) {
+      if (testcase.transactions != null) {
         testcase.transactions.push(hash)
       }
       return {txJSON: JSON.stringify(txData), id: hash, tx: data}
@@ -320,11 +320,11 @@ describe('integration tests', function () {
           const txData = JSON.parse(result.txJSON)
           return this.api.getOrders(address).then((orders) => {
             assert(orders && orders.length > 0)
-            const createdOrder = _.first(
-              _.filter(orders, (order) => {
+            const createdOrder = (
+              orders.filter((order) => {
                 return order.properties.sequence === txData.Sequence
               })
-            )
+            )[0]
             assert(createdOrder)
             assert.strictEqual(createdOrder.properties.maker, address)
             assert.deepEqual(createdOrder.specification, orderSpecification)
@@ -390,7 +390,8 @@ describe('integration tests', function () {
 
   it('getTrustlines', function () {
     const fixture = requests.prepareTrustline.simple
-    const options = _.pick(fixture, ['currency', 'counterparty'])
+    const { currency, counterparty } = fixture
+    const options = { currency, counterparty }
     return this.api.getTrustlines(address, options).then((data) => {
       assert(data && data.length > 0 && data[0] && data[0].specification)
       const specification = data[0].specification
@@ -402,7 +403,8 @@ describe('integration tests', function () {
 
   it('getBalances', function () {
     const fixture = requests.prepareTrustline.simple
-    const options = _.pick(fixture, ['currency', 'counterparty'])
+    const { currency, counterparty } = fixture
+    const options = { currency, counterparty }
     return this.api.getBalances(address, options).then((data) => {
       assert(data && data.length > 0 && data[0])
       assert.strictEqual(data[0].currency, fixture.currency)
@@ -488,7 +490,7 @@ describe('integration tests', function () {
     return this.api.getPaths(pathfind).then((data) => {
       assert(data && data.length > 0)
       assert(
-        _.every(data, (path) => {
+        data.every((path) => {
           return (
             parseFloat(path.source.amount.value) <=
             parseFloat(pathfind.source.amount.value)
@@ -551,7 +553,7 @@ describe('integration tests - standalone rippled', function () {
         })
       })
       .then(() => {
-        const multisignInstructions = _.assign({}, instructions, {
+        const multisignInstructions = Object.assign({}, instructions, {
           signersCount: 2
         })
         return this.api

test/integration/utils.js

@@ -26,7 +26,7 @@ function pay(api, from, to, amount, secret, currency = 'XRP', counterparty) {
     }
   };
 
-  if (counterparty !== undefined) {
+  if (counterparty != null) {
     paymentSpecification.source.maxAmount.counterparty = counterparty;
     paymentSpecification.destination.amount.counterparty = counterparty;
   }