Factor @75lb/deepmerge out of the project. Fixes #19

example/computed-values.js

@@ -45,6 +45,6 @@ const germanNumber = new Intl.NumberFormat('de-DE', { notation: 'compact', maxim
       }
     })
   })
-  const table = new Table(proxiedRows, { maxWidth: 60})
+  const table = new Table(proxiedRows, { maxWidth: 60 })
   console.log(table.toString())
 }

example/web/index.html

@@ -25,7 +25,6 @@ <h2>Computed values</h2>
       "imports": {
         "table-layout": "../../index.js",
         "wordwrapjs": "/node_modules/wordwrapjs/index.js",
-        "@75lb/deep-merge": "/node_modules/@75lb/deep-merge/dist/index.mjs",
         "array-back": "/node_modules/array-back/index.js",
         "typical": "/node_modules/typical/index.js"
       }

index.js

@@ -1,11 +1,10 @@
 import Rows from './lib/rows.js'
 import Columns from './lib/columns.js'
 import wrap from 'wordwrapjs'
-import deepMerge from '@75lb/deep-merge'
 import Cell from './lib/cell.js'
 import arrayify from 'array-back'
 import * as ansi from './lib/ansi.js'
-import { removeEmptyColumns, getLongestWord, getLongestArray, padCell } from './lib/util.js'
+import { removeEmptyColumns, getLongestWord, getLongestArray, padCell, applyDefaultValues } from './lib/util.js'
 
 /**
  * @module table-layout
@@ -41,7 +40,7 @@ class Table {
       columns: [],
       eol: '\n'
     }
-    this.options = deepMerge(defaults, options)
+    this.options = applyDefaultValues(options, defaults)
     this.rows = null
     this.columns = null
     this.load(data)

lib/util.js

@@ -49,4 +49,20 @@ function removeEmptyColumns (data) {
   })
 }
 
-export { getLongestArray, padCell, getLongestWord, removeEmptyColumns }
+function applyDefaultValues (options = {}, defaults = {}) {
+  /* Take a shallow copy of the supplied options */
+  const result = Object.assign({}, options)
+  /* Apply default values as required */
+  if (typeof result.padding === 'object') {
+    if (result.padding.left === undefined) result.padding.left = defaults.padding.left
+    if (result.padding.right === undefined) result.padding.right = defaults.padding.right
+  } else {
+    result.padding = defaults.padding
+  }
+  if (result.maxWidth === undefined) result.maxWidth = defaults.maxWidth
+  if (result.columns === undefined) result.columns = defaults.columns
+  if (result.eol === undefined) result.eol = defaults.eol
+  return result
+}
+
+export { getLongestArray, padCell, getLongestWord, removeEmptyColumns, applyDefaultValues }