refactor: remove lodash

build-cdn.js

@@ -28,8 +28,7 @@ const replaceDependenciesByJsdelivr = {
     });
 
     const dependencies = {
-      '@streamparser/json': `https://cdn.jsdelivr.net/npm/@streamparser/json@${pkg.dependencies['@streamparser/json']}/dist/mjs/index.js`,
-      'lodash.get': 'https://cdn.jsdelivr.net/gh/lodash/lodash@master/get.js'
+      '@streamparser/json': `https://cdn.jsdelivr.net/npm/@streamparser/json@${pkg.dependencies['@streamparser/json']}/dist/mjs/index.js`
     };
 
     build.onResolve({ namespace: 'file', filter: new RegExp(`(?:${Object.keys(dependencies).join('|')})`) }, (args) => {

dist/cdn/plainjs/BaseParser.js

@@ -1,5 +1,4 @@
 // packages/plainjs/src/BaseParser.ts
-import lodashGet from "https://cdn.jsdelivr.net/gh/lodash/lodash@master/get.js";
 import {
   default as defaultFormatter,
   number as numberFormatterCtor,
@@ -78,7 +77,7 @@ var JSON2CSVBase = class {
       if (typeof fieldInfo === "string") {
         return {
           label: fieldInfo,
-          value: fieldInfo.includes(".") || fieldInfo.includes("[") ? (row) => lodashGet(row, fieldInfo, globalDefaultValue) : (row) => getProp(row, fieldInfo, globalDefaultValue)
+          value: (row) => getProp(row, fieldInfo, globalDefaultValue)
         };
       }
       if (typeof fieldInfo === "object") {
@@ -87,7 +86,7 @@ var JSON2CSVBase = class {
           const fieldPath = fieldInfo.value;
           return {
             label: fieldInfo.label || fieldInfo.value,
-            value: fieldInfo.value.includes(".") || fieldInfo.value.includes("[") ? (row) => lodashGet(row, fieldPath, defaultValue) : (row) => getProp(row, fieldPath, defaultValue)
+            value: (row) => getProp(row, fieldPath, defaultValue)
           };
         }
         if (typeof fieldInfo.value === "function") {

dist/cdn/plainjs/StreamParser.js

@@ -4,7 +4,7 @@ import {
   TokenParser,
   TokenType,
   TokenizerError
-} from "https://cdn.jsdelivr.net/npm/@streamparser/json@^0.0.16/dist/mjs/index.js";
+} from "https://cdn.jsdelivr.net/npm/@streamparser/json@^0.0.17/dist/mjs/index.js";
 import JSON2CSVBase from "./BaseParser.js";
 var JSON2CSVStreamParser = class extends JSON2CSVBase {
   constructor(opts, asyncOpts) {

dist/cdn/plainjs/utils.js

@@ -1,7 +1,31 @@
 // packages/plainjs/src/utils.ts
+var rePropName = RegExp(
+  // Match anything that isn't a dot or bracket.
+  `[^.[\\]]+|\\[(?:([^"'][^[]*)|(["'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))`,
+  "g"
+);
+function castPath(value, object) {
+  var _a, _b, _c;
+  if (Array.isArray(value))
+    return value;
+  if (value in object)
+    return [value];
+  const result = [];
+  let match;
+  while (match = rePropName.exec(value)) {
+    result.push((_c = (_b = match[3]) != null ? _b : (_a = match[1]) == null ? void 0 : _a.trim()) != null ? _c : match[0]);
+  }
+  return result;
+}
 function getProp(obj, path, defaultValue) {
-  const value = obj[path];
-  return value === void 0 ? defaultValue : value;
+  const processedPath = castPath(path, obj);
+  let currentValue = obj;
+  for (const key of processedPath) {
+    currentValue = currentValue == null ? void 0 : currentValue[key];
+    if (currentValue === void 0)
+      return defaultValue;
+  }
+  return currentValue;
 }
 function flattenReducer(acc, arr) {
   try {

dist/cdn/transforms/unwind.js

@@ -1,6 +1,5 @@
 // packages/transforms/src/unwind.ts
-import lodashGet from "https://cdn.jsdelivr.net/gh/lodash/lodash@master/get.js";
-import { setProp, unsetProp, flattenReducer } from "./utils.js";
+import { getProp, setProp, unsetProp, flattenReducer } from "./utils.js";
 function getUnwindablePaths(obj, currentPath) {
   return Object.keys(obj).reduce(
     (unwindablePaths, key) => {
@@ -24,7 +23,7 @@ function getUnwindablePaths(obj, currentPath) {
 function unwind(opts = {}) {
   function unwindReducer(rows, unwindPath) {
     return rows.flatMap((row) => {
-      const unwindArray = lodashGet(row, unwindPath);
+      const unwindArray = getProp(row, unwindPath);
       if (!Array.isArray(unwindArray)) {
         return row;
       }

dist/cdn/transforms/utils.js

@@ -1,4 +1,32 @@
 // packages/transforms/src/utils.ts
+var rePropName = RegExp(
+  // Match anything that isn't a dot or bracket.
+  `[^.[\\]]+|\\[(?:([^"'][^[]*)|(["'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))`,
+  "g"
+);
+function castPath(value, object) {
+  var _a, _b, _c;
+  if (Array.isArray(value))
+    return value;
+  if (value in object)
+    return [value];
+  const result = [];
+  let match;
+  while (match = rePropName.exec(value)) {
+    result.push((_c = (_b = match[3]) != null ? _b : (_a = match[1]) == null ? void 0 : _a.trim()) != null ? _c : match[0]);
+  }
+  return result;
+}
+function getProp(obj, path, defaultValue) {
+  const processedPath = castPath(path, obj);
+  let currentValue = obj;
+  for (const key of processedPath) {
+    currentValue = currentValue == null ? void 0 : currentValue[key];
+    if (currentValue === void 0)
+      return defaultValue;
+  }
+  return currentValue;
+}
 function propertyPathToString(path) {
   if (typeof path === "string")
     return path.split(".");
@@ -42,6 +70,7 @@ function flattenReducer(acc, arr) {
 }
 export {
   flattenReducer,
+  getProp,
   setProp,
   unsetProp
 };

package.json

@@ -49,7 +49,6 @@
     "changelog:update": "conventional-changelog-cli -p conventionalcommits -i CHANGELOG.md -s && cp CHANGELOG.md docs/others/CHANGELOG.md"
   },
   "devDependencies": {
-    "@types/lodash.get": "^4.4.7",
     "@types/tape": "^5.6.0",
     "@typescript-eslint/eslint-plugin": "^6.2.0",
     "@typescript-eslint/parser": "^6.2.0",

packages/cli/test/CLI.ts

@@ -301,6 +301,16 @@ export default function (
     t.equal(csv, csvFixtures.nested);
   });
 
+  testRunner.add('should support nested properties selectors using braket notation', async (t) => {
+    const opts = `--config "${getFixturePath('/fields/nestedWithBrackets.json')}"`;
+
+    const { stdout: csv } = await execAsync(
+      `${cli} -i "${getFixturePath('/json/nested.json')}" ${opts}`,
+    );
+
+    t.equal(csv, csvFixtures.nested);
+  });
+
   testRunner.add(
     'field.value function should receive a valid field object',
     async (t) => {

packages/node/test/AsyncParser.ts

@@ -422,7 +422,7 @@ export default function (
         },
         {
           label: 'Price',
-          value: 'price',
+          value: 'prices[0]',
         },
         {
           label: 'Color',
@@ -441,6 +441,38 @@ export default function (
     t.equal(csv, csvFixtures.nested);
   });
 
+  testRunner.add('should support nested properties selectors using braket notation', async (t) => {
+    const opts: ParserOptions = {
+      fields: [
+        {
+          label: 'Make',
+          value: 'car[make]',
+        },
+        {
+          label: 'Model',
+          value: 'car["model"]',
+        },
+        {
+          label: 'Price',
+          value: 'prices[0]',
+        },
+        {
+          label: 'Color',
+          value: 'color',
+        },
+        {
+          label: 'Year',
+          value: 'car[\'ye\'][ar]',
+        },
+      ],
+    };
+
+    const parser = new Parser(opts);
+    const csv = await parseInput(parser, jsonFixtures.nested());
+
+    t.equal(csv, csvFixtures.nested);
+  });
+
   testRunner.add(
     'field.value function should receive a valid field object',
     async (t) => {

packages/node/test/AsyncParserInMemory.ts

@@ -422,7 +422,7 @@ export default function (
         },
         {
           label: 'Price',
-          value: 'price',
+          value: 'prices[0]',
         },
         {
           label: 'Color',
@@ -441,6 +441,38 @@ export default function (
     t.equal(csv, csvFixtures.nested);
   });
 
+  testRunner.add('should support nested properties selectors using braket notation', async (t) => {
+    const opts: ParserOptions = {
+      fields: [
+        {
+          label: 'Make',
+          value: 'car[make]',
+        },
+        {
+          label: 'Model',
+          value: 'car["model"]',
+        },
+        {
+          label: 'Price',
+          value: 'prices[0]',
+        },
+        {
+          label: 'Color',
+          value: 'color',
+        },
+        {
+          label: 'Year',
+          value: 'car[\'ye\'][ar]',
+        },
+      ],
+    };
+
+    const parser = new Parser(opts);
+    const csv = await parseInput(parser, jsonFixtures.nested());
+
+    t.equal(csv, csvFixtures.nested);
+  });
+
   testRunner.add(
     'field.value function should receive a valid field object',
     async (t) => {

packages/node/test/Transform.ts

@@ -408,7 +408,7 @@ export default function (
         },
         {
           label: 'Price',
-          value: 'price',
+          value: 'prices[0]',
         },
         {
           label: 'Color',
@@ -427,6 +427,38 @@ export default function (
     t.equal(csv, csvFixtures.nested);
   });
 
+  testRunner.add('should support nested properties selectors using braket notation', async (t) => {
+    const opts: ParserOptions = {
+      fields: [
+        {
+          label: 'Make',
+          value: 'car[make]',
+        },
+        {
+          label: 'Model',
+          value: 'car["model"]',
+        },
+        {
+          label: 'Price',
+          value: 'prices[0]',
+        },
+        {
+          label: 'Color',
+          value: 'color',
+        },
+        {
+          label: 'Year',
+          value: 'car[\'ye\'][ar]',
+        },
+      ],
+    };
+
+    const parser = new Parser(opts);
+    const csv = await parseInput(parser, jsonFixtures.nested());
+
+    t.equal(csv, csvFixtures.nested);
+  });
+
   testRunner.add(
     'field.value function should receive a valid field object',
     async (t) => {

packages/plainjs/package.json

@@ -49,7 +49,6 @@
   },
   "dependencies": {
     "@json2csv/formatters": "^7.0.3",
-    "@streamparser/json": "^0.0.17",
-    "lodash.get": "^4.4.2"
+    "@streamparser/json": "^0.0.17"
   }
 }