initial commit.

node_modules/json2csv/lib/utils.js

@@ -0,0 +1,72 @@
+'use strict';
+
+function getProp(obj, path, defaultValue) {
+  return obj[path] === undefined ? defaultValue : obj[path];
+}
+
+function setProp(obj, path, value) {
+  const pathArray = Array.isArray(path) ? path : path.split('.');
+  const [key, ...restPath] = pathArray;
+  return {
+    ...obj,
+    [key]: pathArray.length > 1 ? setProp(obj[key] || {}, restPath, value) : value
+  };
+}
+
+function unsetProp(obj, path) {
+  const pathArray = Array.isArray(path) ? path : path.split('.');
+  const [key, ...restPath] = pathArray;
+
+  if (typeof obj[key] !== 'object') {
+    // This will never be hit in the current code because unwind does the check before calling unsetProp
+    /* istanbul ignore next */
+    return obj;
+  }
+
+  if (pathArray.length === 1) {
+    return Object.keys(obj)
+      .filter(prop => prop !== key)
+      .reduce((acc, prop) => Object.assign(acc, { [prop]: obj[prop] }), {});
+  }
+
+  return Object.keys(obj)
+    .reduce((acc, prop) => ({
+      ...acc,
+      [prop]: prop !== key ? obj[prop] : unsetProp(obj[key], restPath),
+    }), {});
+}
+
+function flattenReducer(acc, arr) {
+  try {
+    // This is faster but susceptible to `RangeError: Maximum call stack size exceeded`
+    acc.push(...arr);
+    return acc;
+  } catch (err) {
+    // Fallback to a slower but safer option
+    return acc.concat(arr);
+  }
+}
+
+function fastJoin(arr, separator) {
+  let isFirst = true;
+  return arr.reduce((acc, elem) => {
+    if (elem === null || elem === undefined) {
+      elem = '';
+    }
+
+    if (isFirst) {
+      isFirst = false;
+      return `${elem}`;
+    }
+
+    return `${acc}${separator}${elem}`;
+  }, '');
+}
+
+module.exports = {
+  getProp,
+  setProp,
+  unsetProp,
+  fastJoin,
+  flattenReducer
+};