fix: remove lodash dependency (closes #121)

This reverts commit 49a640c.

.babelrc

@@ -7,6 +7,7 @@
     }
   },
   "plugins": [
+    "babel-plugin-lodash",
     "transform-export-default-name",
     "@babel/transform-flow-strip-types"
   ],

package.json

@@ -6,6 +6,7 @@
   },
   "dependencies": {
     "ajv": "^6.12.4",
+    "lodash": "^4.17.20",
     "slice-ansi": "^4.0.0",
     "string-width": "^4.2.0"
   },
@@ -20,6 +21,7 @@
     "ajv-cli": "^3.2.1",
     "ajv-keywords": "^3.5.2",
     "babel-plugin-istanbul": "^6.0.0",
+    "babel-plugin-lodash": "^3.3.4",
     "babel-plugin-transform-export-default-name": "^2.0.4",
     "chai": "^4.2.0",
     "chalk": "^4.1.0",

src/alignString.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import stringWidth from 'string-width';
 
 const alignments = [
@@ -53,11 +54,11 @@ const alignCenter = (subject, width) => {
  * @returns {string}
  */
 export default (subject, containerWidth, alignment) => {
-  if (typeof subject !== 'string') {
+  if (!_.isString(subject)) {
     throw new TypeError('Subject parameter value must be a string.');
   }
 
-  if (typeof containerWidth !== 'number') {
+  if (!_.isNumber(containerWidth)) {
     throw new TypeError('Container width parameter value must be a number.');
   }
 
@@ -69,7 +70,7 @@ export default (subject, containerWidth, alignment) => {
     throw new Error('Subject parameter value width cannot be greater than the container width.');
   }
 
-  if (typeof alignment !== 'string') {
+  if (!_.isString(alignment)) {
     throw new TypeError('Alignment parameter value must be a string.');
   }
 

src/calculateCellHeight.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import wrapCell from './wrapCell';
 
 /**
@@ -7,7 +8,7 @@ import wrapCell from './wrapCell';
  * @returns {number}
  */
 export default (value, columnWidth, useWrapWord = false) => {
-  if (typeof value !== 'string') {
+  if (!_.isString(value)) {
     throw new TypeError('Value must be a string.');
   }
 

src/calculateRowHeightIndex.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import calculateCellHeight from './calculateCellHeight';
 
 /**
@@ -16,18 +17,18 @@ export default (rows, config) => {
     const cellHeightIndex = new Array(tableWidth).fill(1);
 
     cells.forEach((value, index1) => {
-      if (typeof config.columns[index1].width !== 'number') {
+      if (!_.isNumber(config.columns[index1].width)) {
         throw new TypeError('column[index].width must be a number.');
       }
 
-      if (typeof config.columns[index1].wrapWord !== 'boolean') {
+      if (!_.isBoolean(config.columns[index1].wrapWord)) {
         throw new TypeError('column[index].wrapWord must be a boolean.');
       }
 
       cellHeightIndex[index1] = calculateCellHeight(value, config.columns[index1].width, config.columns[index1].wrapWord);
     });
 
-    rowSpanIndex.push(Math.max(...cellHeightIndex));
+    rowSpanIndex.push(_.max(cellHeightIndex));
   });
 
   return rowSpanIndex;

src/createStream.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import alignTableData from './alignTableData';
 import calculateRowHeightIndex from './calculateRowHeightIndex';
 import {
@@ -54,7 +55,7 @@ const create = (row, columnWidthIndex, config) => {
   output += body;
   output += drawBorderBottom(columnWidthIndex, config.border);
 
-  output = output.trimEnd();
+  output = _.trimEnd(output);
 
   process.stdout.write(output);
 };
@@ -83,7 +84,7 @@ const append = (row, columnWidthIndex, config) => {
   output += body;
   output += bottom;
 
-  output = output.trimEnd();
+  output = _.trimEnd(output);
 
   process.stdout.write(output);
 };
@@ -95,9 +96,10 @@ const append = (row, columnWidthIndex, config) => {
 export default (userConfig = {}) => {
   const config = makeStreamConfig(userConfig);
 
-  const columnWidthIndex = Object.values(config.columns).map((column) => {
+  // @todo Use 'Object.values' when Node.js v6 support is dropped.
+  const columnWidthIndex = _.values(_.mapValues(config.columns, (column) => {
     return column.width + column.paddingLeft + column.paddingRight;
-  });
+  }));
 
   let empty;
 

src/makeConfig.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import calculateMaximumColumnWidthIndex from './calculateMaximumColumnWidthIndex';
 import getBorderCharacters from './getBorderCharacters';
 import validateConfig from './validateConfig';
@@ -24,8 +25,8 @@ const makeBorder = (border = {}) => {
 const makeColumns = (rows, columns = {}, columnDefault = {}) => {
   const maximumColumnWidthIndex = calculateMaximumColumnWidthIndex(rows);
 
-  for (let index = rows[0].length; index--;) {
-    if (!columns[index]) {
+  _.times(rows[0].length, (index) => {
+    if (_.isUndefined(columns[index])) {
       columns[index] = {};
     }
 
@@ -37,7 +38,7 @@ const makeColumns = (rows, columns = {}, columnDefault = {}) => {
       width: maximumColumnWidthIndex[index],
       wrapWord: false,
     }, columnDefault, columns[index]);
-  }
+  });
 
   return columns;
 };
@@ -53,7 +54,7 @@ const makeColumns = (rows, columns = {}, columnDefault = {}) => {
 export default (rows, userConfig = {}) => {
   validateConfig('config.json', userConfig);
 
-  const config = {...userConfig};
+  const config = _.cloneDeep(userConfig);
 
   config.border = makeBorder(config.border);
   config.columns = makeColumns(rows, config.columns, config.columnDefault);

src/makeStreamConfig.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import getBorderCharacters from './getBorderCharacters';
 import validateConfig from './validateConfig';
 
@@ -21,10 +22,8 @@ const makeBorder = (border = {}) => {
  * @returns {object}
  */
 const makeColumns = (columnCount, columns = {}, columnDefault = {}) => {
-  let index = columnCount;
-
-  while (index--) {
-    if (!columns[index]) {
+  _.times(columnCount, (index) => {
+    if (_.isUndefined(columns[index])) {
       columns[index] = {};
     }
 
@@ -35,7 +34,7 @@ const makeColumns = (columnCount, columns = {}, columnDefault = {}) => {
       truncate: Infinity,
       wrapWord: false,
     }, columnDefault, columns[index]);
-  }
+  });
 
   return columns;
 };
@@ -67,7 +66,7 @@ const makeColumns = (columnCount, columns = {}, columnDefault = {}) => {
 export default (userConfig = {}) => {
   validateConfig('streamConfig.json', userConfig);
 
-  const config = {...userConfig};
+  const config = _.cloneDeep(userConfig);
 
   if (!config.columnDefault || !config.columnDefault.width) {
     throw new Error('Must provide config.columnDefault.width when creating a stream.');

src/mapDataUsingRowHeightIndex.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import wrapCell from './wrapCell';
 
 /**
@@ -10,7 +11,7 @@ export default (unmappedRows, rowHeightIndex, config) => {
   const tableWidth = unmappedRows[0].length;
 
   const mappedRows = unmappedRows.map((cells, index0) => {
-    const rowHeight = Array.from({length: rowHeightIndex[index0]}, () => {
+    const rowHeight = _.times(rowHeightIndex[index0], () => {
       return new Array(tableWidth).fill('');
     });
 
@@ -29,6 +30,5 @@ export default (unmappedRows, rowHeightIndex, config) => {
     return rowHeight;
   });
 
-  // flat array
-  return [].concat(...mappedRows);
+  return _.flatten(mappedRows);
 };

src/truncateTableData.js

@@ -1,6 +1,4 @@
-const truncate = (string, length) => {
-  return string.length > length ? string.slice(0, Math.max(0, length - 3)) + '...' : string;
-};
+import _ from 'lodash';
 
 /**
  * @todo Make it work with ASCII content.
@@ -11,7 +9,9 @@ const truncate = (string, length) => {
 export default (rows, config) => {
   return rows.map((cells) => {
     return cells.map((content, index) => {
-      return truncate(content, config.columns[index].truncate);
+      return _.truncate(content, {
+        length: config.columns[index].truncate,
+      });
     });
   });
 };

test/README/usage/expectTable.js

@@ -1,12 +1,13 @@
 import {
   expect,
 } from 'chai';
+import _ from 'lodash';
 
 /**
  * @param {string} result
  * @param {string} expectedResult
  * @returns {undefined}
  */
 export default (result, expectedResult) => {
-  expect(result).to.equal(expectedResult.trim() + '\n');
+  expect(result).to.equal(_.trim(expectedResult) + '\n');
 };

test/README/usage/moon_mission.js

@@ -1,4 +1,5 @@
 import chalk from 'chalk';
+import _ from 'lodash';
 import {
   table,
   getBorderCharacters,
@@ -51,7 +52,7 @@ describe('README.md usage/', () => {
       ],
     ];
 
-    const tableBorder = Object.values(getBorderCharacters('honeywell')).map((char) => {
+    const tableBorder = _.mapValues(getBorderCharacters('honeywell'), (char) => {
       return chalk.gray(char);
     });
 

test/README/usage/predefined_border_templates.js

@@ -1,3 +1,4 @@
+import _ from 'lodash';
 import {
   table,
   getBorderCharacters,
@@ -71,7 +72,7 @@ describe('README.md usage/predefined_border_templates', () => {
       border: getBorderCharacters('void'),
     });
 
-    expectTable(output.trim() + '\n', '0A  0B  0C \n\n 1A  1B  1C \n\n 2A  2B  2C');
+    expectTable(_.trim(output) + '\n', '0A  0B  0C \n\n 1A  1B  1C \n\n 2A  2B  2C');
   });
 
   it('borderless', () => {
@@ -86,6 +87,6 @@ describe('README.md usage/predefined_border_templates', () => {
       },
     });
 
-    expectTable(output.trim() + '\n', '0A 0B 0C \n1A 1B 1C \n2A 2B 2C');
+    expectTable(_.trim(output) + '\n', '0A 0B 0C \n1A 1B 1C \n2A 2B 2C');
   });
 });