# add dist

ng2-components/ng2-alfresco-documentslist/dist/node_modules/columnify/index.js

@@ -0,0 +1,297 @@
+"use strict"
+
+const wcwidth = require('./width')
+const {
+  padRight,
+  padCenter,
+  padLeft,
+  splitIntoLines,
+  splitLongWords,
+  truncateString
+} = require('./utils')
+
+const DEFAULT_HEADING_TRANSFORM = key => key.toUpperCase()
+
+const DEFAULT_DATA_TRANSFORM = (cell, column, index) => cell
+
+const DEFAULTS = Object.freeze({
+  maxWidth: Infinity,
+  minWidth: 0,
+  columnSplitter: ' ',
+  truncate: false,
+  truncateMarker: '…',
+  preserveNewLines: false,
+  paddingChr: ' ',
+  showHeaders: true,
+  headingTransform: DEFAULT_HEADING_TRANSFORM,
+  dataTransform: DEFAULT_DATA_TRANSFORM
+})
+
+module.exports = function(items, options = {}) {
+
+  let columnConfigs = options.config || {}
+  delete options.config // remove config so doesn't appear on every column.
+
+  let maxLineWidth = options.maxLineWidth || Infinity
+  if (maxLineWidth === 'auto') maxLineWidth = process.stdout.columns || Infinity
+  delete options.maxLineWidth // this is a line control option, don't pass it to column
+
+  // Option defaults inheritance:
+  // options.config[columnName] => options => DEFAULTS
+  options = mixin({}, DEFAULTS, options)
+
+  options.config = options.config || Object.create(null)
+
+  options.spacing = options.spacing || '\n' // probably useless
+  options.preserveNewLines = !!options.preserveNewLines
+  options.showHeaders = !!options.showHeaders;
+  options.columns = options.columns || options.include // alias include/columns, prefer columns if supplied
+  let columnNames = options.columns || [] // optional user-supplied columns to include
+
+  items = toArray(items, columnNames)
+
+  // if not suppled column names, automatically determine columns from data keys
+  if (!columnNames.length) {
+    items.forEach(function(item) {
+      for (let columnName in item) {
+        if (columnNames.indexOf(columnName) === -1) columnNames.push(columnName)
+      }
+    })
+  }
+
+  // initialize column defaults (each column inherits from options.config)
+  let columns = columnNames.reduce((columns, columnName) => {
+    let column = Object.create(options)
+    columns[columnName] = mixin(column, columnConfigs[columnName])
+    return columns
+  }, Object.create(null))
+
+  // sanitize column settings
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    column.name = columnName
+    column.maxWidth = Math.ceil(column.maxWidth)
+    column.minWidth = Math.ceil(column.minWidth)
+    column.truncate = !!column.truncate
+    column.align = column.align || 'left'
+  })
+
+  // sanitize data
+  items = items.map(item => {
+    let result = Object.create(null)
+    columnNames.forEach(columnName => {
+      // null/undefined -> ''
+      result[columnName] = item[columnName] != null ? item[columnName] : ''
+      // toString everything
+      result[columnName] = '' + result[columnName]
+      if (columns[columnName].preserveNewLines) {
+        // merge non-newline whitespace chars
+        result[columnName] = result[columnName].replace(/[^\S\n]/gmi, ' ')
+      } else {
+        // merge all whitespace chars
+        result[columnName] = result[columnName].replace(/\s/gmi, ' ')
+      }
+    })
+    return result
+  })
+
+  // transform data cells
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    items = items.map((item, index) => {
+      let col = Object.create(column)
+      item[columnName] = column.dataTransform(item[columnName], col, index)
+
+      let changedKeys = Object.keys(col)
+      // disable default heading transform if we wrote to column.name
+      if (changedKeys.indexOf('name') !== -1) {
+        if (column.headingTransform !== DEFAULT_HEADING_TRANSFORM) return
+        column.headingTransform = heading => heading
+      }
+      changedKeys.forEach(key => column[key] = col[key])
+      return item
+    })
+  })
+
+  // add headers
+  let headers = {}
+  if(options.showHeaders) {
+    columnNames.forEach(columnName => {
+      let column = columns[columnName]
+
+      if(!column.showHeaders){
+        headers[columnName] = '';
+        return;
+      }
+
+      headers[columnName] = column.headingTransform(column.name)
+    })
+    items.unshift(headers)
+  }
+  // get actual max-width between min & max
+  // based on length of data in columns
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    column.width = items
+    .map(item => item[columnName])
+    .reduce((min, cur) => {
+      // if already at maxWidth don't bother testing
+      if (min >= column.maxWidth) return min
+      return Math.max(min, Math.min(column.maxWidth, Math.max(column.minWidth, wcwidth(cur))))
+    }, 0)
+  })
+
+  // split long words so they can break onto multiple lines
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    items = items.map(item => {
+      item[columnName] = splitLongWords(item[columnName], column.width, column.truncateMarker)
+      return item
+    })
+  })
+
+  // wrap long lines. each item is now an array of lines.
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    items = items.map((item, index) => {
+      let cell = item[columnName]
+      item[columnName] = splitIntoLines(cell, column.width)
+
+      // if truncating required, only include first line + add truncation char
+      if (column.truncate && item[columnName].length > 1) {
+        item[columnName] = splitIntoLines(cell, column.width - wcwidth(column.truncateMarker))
+        let firstLine = item[columnName][0]
+        if (!endsWith(firstLine, column.truncateMarker)) item[columnName][0] += column.truncateMarker
+        item[columnName] = item[columnName].slice(0, 1)
+      }
+      return item
+    })
+  })
+
+  // recalculate column widths from truncated output/lines
+  columnNames.forEach(columnName => {
+    let column = columns[columnName]
+    column.width = items.map(item => {
+      return item[columnName].reduce((min, cur) => {
+        if (min >= column.maxWidth) return min
+        return Math.max(min, Math.min(column.maxWidth, Math.max(column.minWidth, wcwidth(cur))))
+      }, 0)
+    }).reduce((min, cur) => {
+      if (min >= column.maxWidth) return min
+      return Math.max(min, Math.min(column.maxWidth, Math.max(column.minWidth, cur)))
+    }, 0)
+  })
+
+
+  let rows = createRows(items, columns, columnNames, options.paddingChr) // merge lines into rows
+  // conceive output
+  return rows.reduce((output, row) => {
+    return output.concat(row.reduce((rowOut, line) => {
+      return rowOut.concat(line.join(options.columnSplitter))
+    }, []))
+  }, [])
+  .map(line => truncateString(line, maxLineWidth))
+  .join(options.spacing)
+}
+
+/**
+ * Convert wrapped lines into rows with padded values.
+ *
+ * @param Array items data to process
+ * @param Array columns column width settings for wrapping
+ * @param Array columnNames column ordering
+ * @return Array items wrapped in arrays, corresponding to lines
+ */
+
+function createRows(items, columns, columnNames, paddingChr) {
+  return items.map(item => {
+    let row = []
+    let numLines = 0
+    columnNames.forEach(columnName => {
+      numLines = Math.max(numLines, item[columnName].length)
+    })
+    // combine matching lines of each rows
+    for (let i = 0; i < numLines; i++) {
+      row[i] = row[i] || []
+      columnNames.forEach(columnName => {
+        let column = columns[columnName]
+        let val = item[columnName][i] || '' // || '' ensures empty columns get padded
+        if (column.align === 'right') row[i].push(padLeft(val, column.width, paddingChr))
+        else if (column.align === 'center' || column.align === 'centre') row[i].push(padCenter(val, column.width, paddingChr))
+        else row[i].push(padRight(val, column.width, paddingChr))
+      })
+    }
+    return row
+  })
+}
+
+/**
+ * Object.assign
+ *
+ * @return Object Object with properties mixed in.
+ */
+
+function mixin(...args) {
+  if (Object.assign) return Object.assign(...args)
+  return ObjectAssign(...args)
+}
+
+function ObjectAssign(target, firstSource) {
+  "use strict";
+  if (target === undefined || target === null)
+    throw new TypeError("Cannot convert first argument to object");
+
+  var to = Object(target);
+
+  var hasPendingException = false;
+  var pendingException;
+
+  for (var i = 1; i < arguments.length; i++) {
+    var nextSource = arguments[i];
+    if (nextSource === undefined || nextSource === null)
+      continue;
+
+    var keysArray = Object.keys(Object(nextSource));
+    for (var nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex++) {
+      var nextKey = keysArray[nextIndex];
+      try {
+        var desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);
+        if (desc !== undefined && desc.enumerable)
+          to[nextKey] = nextSource[nextKey];
+      } catch (e) {
+        if (!hasPendingException) {
+          hasPendingException = true;
+          pendingException = e;
+        }
+      }
+    }
+
+    if (hasPendingException)
+      throw pendingException;
+  }
+  return to;
+}
+
+/**
+ * Adapted from String.prototype.endsWith polyfill.
+ */
+
+function endsWith(target, searchString, position) {
+  position = position || target.length;
+  position = position - searchString.length;
+  let lastIndex = target.lastIndexOf(searchString);
+  return lastIndex !== -1 && lastIndex === position;
+}
+
+
+function toArray(items, columnNames) {
+  if (Array.isArray(items)) return items
+  let rows = []
+  for (let key in items) {
+    let item = {}
+    item[columnNames[0] || 'key'] = key
+    item[columnNames[1] || 'value'] = items[key]
+    rows.push(item)
+  }
+  return rows
+}