node_modules

1 files changed, 273 insertions, 0 deletions

diff --git a/node_modules/cliui/index.js b/node_modules/cliui/index.js
new file mode 100644
index 000000000..31b4aa7b7
--- /dev/null
+++ b/node_modules/cliui/index.js
@@ -0,0 +1,273 @@
+var wrap = require('wordwrap'),
+  align = {
+    right: require('right-align'),
+    center: require('center-align')
+  },
+  top = 0,
+  right = 1,
+  bottom = 2,
+  left = 3
+
+function UI (opts) {
+  this.width = opts.width
+  this.wrap = opts.wrap
+  this.rows = []
+}
+
+UI.prototype.span = function () {
+  var cols = this.div.apply(this, arguments)
+  cols.span = true
+}
+
+UI.prototype.div = function () {
+  if (arguments.length === 0) this.div('')
+  if (this.wrap && this._shouldApplyLayoutDSL.apply(this, arguments)) {
+    return this._applyLayoutDSL(arguments[0])
+  }
+
+  var cols = []
+
+  for (var i = 0, arg; (arg = arguments[i]) !== undefined; i++) {
+    if (typeof arg === 'string') cols.push(this._colFromString(arg))
+    else cols.push(arg)
+  }
+
+  this.rows.push(cols)
+  return cols
+}
+
+UI.prototype._shouldApplyLayoutDSL = function () {
+  return arguments.length === 1 && typeof arguments[0] === 'string' &&
+    /[\t\n]/.test(arguments[0])
+}
+
+UI.prototype._applyLayoutDSL = function (str) {
+  var _this = this,
+    rows = str.split('\n'),
+    leftColumnWidth = 0
+
+  // simple heuristic for layout, make sure the
+  // second column lines up along the left-hand.
+  // don't allow the first column to take up more
+  // than 50% of the screen.
+  rows.forEach(function (row) {
+    var columns = row.split('\t')
+    if (columns.length > 1 && columns[0].length > leftColumnWidth) {
+      leftColumnWidth = Math.min(
+        Math.floor(_this.width * 0.5),
+        columns[0].length
+      )
+    }
+  })
+
+  // generate a table:
+  //  replacing ' ' with padding calculations.
+  //  using the algorithmically generated width.
+  rows.forEach(function (row) {
+    var columns = row.split('\t')
+    _this.div.apply(_this, columns.map(function (r, i) {
+      return {
+        text: r.trim(),
+        padding: [0, r.match(/\s*$/)[0].length, 0, r.match(/^\s*/)[0].length],
+        width: (i === 0 && columns.length > 1) ? leftColumnWidth : undefined
+      }
+    }))
+  })
+
+  return this.rows[this.rows.length - 1]
+}
+
+UI.prototype._colFromString = function (str) {
+  return {
+    text: str
+  }
+}
+
+UI.prototype.toString = function () {
+  var _this = this,
+    lines = []
+
+  _this.rows.forEach(function (row, i) {
+    _this.rowToString(row, lines)
+  })
+
+  // don't display any lines with the
+  // hidden flag set.
+  lines = lines.filter(function (line) {
+    return !line.hidden
+  })
+
+  return lines.map(function (line) {
+    return line.text
+  }).join('\n')
+}
+
+UI.prototype.rowToString = function (row, lines) {
+  var _this = this,
+    paddingLeft,
+    rrows = this._rasterize(row),
+    str = '',
+    ts,
+    width,
+    wrapWidth
+
+  rrows.forEach(function (rrow, r) {
+    str = ''
+    rrow.forEach(function (col, c) {
+      ts = '' // temporary string used during alignment/padding.
+      width = row[c].width // the width with padding.
+      wrapWidth = _this._negatePadding(row[c]) // the width without padding.
+
+      for (var i = 0; i < Math.max(wrapWidth, col.length); i++) {
+        ts += col.charAt(i) || ' '
+      }
+
+      // align the string within its column.
+      if (row[c].align && row[c].align !== 'left' && _this.wrap) {
+        ts = align[row[c].align](ts.trim() + '\n' + new Array(wrapWidth + 1).join(' '))
+          .split('\n')[0]
+        if (ts.length < wrapWidth) ts += new Array(width - ts.length).join(' ')
+      }
+
+      // add left/right padding and print string.
+      paddingLeft = (row[c].padding || [0, 0, 0, 0])[left]
+      if (paddingLeft) str += new Array(row[c].padding[left] + 1).join(' ')
+      str += ts
+      if (row[c].padding && row[c].padding[right]) str += new Array(row[c].padding[right] + 1).join(' ')
+
+      // if prior row is span, try to render the
+      // current row on the prior line.
+      if (r === 0 && lines.length > 0) {
+        str = _this._renderInline(str, lines[lines.length - 1], paddingLeft)
+      }
+    })
+
+    // remove trailing whitespace.
+    lines.push({
+      text: str.replace(/ +$/, ''),
+      span: row.span
+    })
+  })
+
+  return lines
+}
+
+// if the full 'source' can render in
+// the target line, do so.
+UI.prototype._renderInline = function (source, previousLine, paddingLeft) {
+  var target = previousLine.text,
+    str = ''
+
+  if (!previousLine.span) return source
+
+  // if we're not applying wrapping logic,
+  // just always append to the span.
+  if (!this.wrap) {
+    previousLine.hidden = true
+    return target + source
+  }
+
+  for (var i = 0, tc, sc; i < Math.max(source.length, target.length); i++) {
+    tc = target.charAt(i) || ' '
+    sc = source.charAt(i) || ' '
+    // we tried to overwrite a character in the other string.
+    if (tc !== ' ' && sc !== ' ') return source
+    // there is not enough whitespace to maintain padding.
+    if (sc !== ' ' && i < paddingLeft + target.length) return source
+    // :thumbsup:
+    if (tc === ' ') str += sc
+    else str += tc
+  }
+
+  previousLine.hidden = true
+
+  return str
+}
+
+UI.prototype._rasterize = function (row) {
+  var _this = this,
+    i,
+    rrow,
+    rrows = [],
+    widths = this._columnWidths(row),
+    wrapped
+
+  // word wrap all columns, and create
+  // a data-structure that is easy to rasterize.
+  row.forEach(function (col, c) {
+    // leave room for left and right padding.
+    col.width = widths[c]
+    if (_this.wrap) wrapped = wrap.hard(_this._negatePadding(col))(col.text).split('\n')
+    else wrapped = col.text.split('\n')
+
+    // add top and bottom padding.
+    if (col.padding) {
+      for (i = 0; i < (col.padding[top] || 0); i++) wrapped.unshift('')
+      for (i = 0; i < (col.padding[bottom] || 0); i++) wrapped.push('')
+    }
+
+    wrapped.forEach(function (str, r) {
+      if (!rrows[r]) rrows.push([])
+
+      rrow = rrows[r]
+
+      for (var i = 0; i < c; i++) {
+        if (rrow[i] === undefined) rrow.push('')
+      }
+      rrow.push(str)
+    })
+  })
+
+  return rrows
+}
+
+UI.prototype._negatePadding = function (col) {
+  var wrapWidth = col.width
+  if (col.padding) wrapWidth -= (col.padding[left] || 0) + (col.padding[right] || 0)
+  return wrapWidth
+}
+
+UI.prototype._columnWidths = function (row) {
+  var _this = this,
+    widths = [],
+    unset = row.length,
+    unsetWidth,
+    remainingWidth = this.width
+
+  // column widths can be set in config.
+  row.forEach(function (col, i) {
+    if (col.width) {
+      unset--
+      widths[i] = col.width
+      remainingWidth -= col.width
+    } else {
+      widths[i] = undefined
+    }
+  })
+
+  // any unset widths should be calculated.
+  if (unset) unsetWidth = Math.floor(remainingWidth / unset)
+  widths.forEach(function (w, i) {
+    if (!_this.wrap) widths[i] = row[i].width || row[i].text.length
+    else if (w === undefined) widths[i] = Math.max(unsetWidth, _minWidth(row[i]))
+  })
+
+  return widths
+}
+
+// calculates the minimum width of
+// a column, based on padding preferences.
+function _minWidth (col) {
+  var padding = col.padding || []
+
+  return 1 + (padding[left] || 0) + (padding[right] || 0)
+}
+
+module.exports = function (opts) {
+  opts = opts || {}
+
+  return new UI({
+    width: (opts || {}).width || 80,
+    wrap: typeof opts.wrap === 'boolean' ? opts.wrap : true
+  })
+}