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1 files changed, 216 insertions, 0 deletions

diff --git a/node_modules/clean-css/lib/options/format.js b/node_modules/clean-css/lib/options/format.js
new file mode 100644
index 00000000..48c7efa8
--- /dev/null
+++ b/node_modules/clean-css/lib/options/format.js
@@ -0,0 +1,216 @@
+var systemLineBreak = require('os').EOL;
+
+var override = require('../utils/override');
+
+var Breaks = {
+  AfterAtRule: 'afterAtRule',
+  AfterBlockBegins: 'afterBlockBegins',
+  AfterBlockEnds: 'afterBlockEnds',
+  AfterComment: 'afterComment',
+  AfterProperty: 'afterProperty',
+  AfterRuleBegins: 'afterRuleBegins',
+  AfterRuleEnds: 'afterRuleEnds',
+  BeforeBlockEnds: 'beforeBlockEnds',
+  BetweenSelectors: 'betweenSelectors'
+};
+
+var BreakWith = {
+  CarriageReturnLineFeed: '\r\n',
+  LineFeed: '\n',
+  System: systemLineBreak
+};
+
+var IndentWith = {
+  Space: ' ',
+  Tab: '\t'
+};
+
+var Spaces = {
+  AroundSelectorRelation: 'aroundSelectorRelation',
+  BeforeBlockBegins: 'beforeBlockBegins',
+  BeforeValue: 'beforeValue'
+};
+
+var DEFAULTS = {
+  breaks: breaks(false),
+  breakWith: BreakWith.System,
+  indentBy: 0,
+  indentWith: IndentWith.Space,
+  spaces: spaces(false),
+  wrapAt: false,
+  semicolonAfterLastProperty: false
+};
+
+var BEAUTIFY_ALIAS = 'beautify';
+var KEEP_BREAKS_ALIAS = 'keep-breaks';
+
+var OPTION_SEPARATOR = ';';
+var OPTION_NAME_VALUE_SEPARATOR = ':';
+var HASH_VALUES_OPTION_SEPARATOR = ',';
+var HASH_VALUES_NAME_VALUE_SEPARATOR = '=';
+
+var FALSE_KEYWORD_1 = 'false';
+var FALSE_KEYWORD_2 = 'off';
+var TRUE_KEYWORD_1 = 'true';
+var TRUE_KEYWORD_2 = 'on';
+
+function breaks(value) {
+  var breakOptions = {};
+
+  breakOptions[Breaks.AfterAtRule] = value;
+  breakOptions[Breaks.AfterBlockBegins] = value;
+  breakOptions[Breaks.AfterBlockEnds] = value;
+  breakOptions[Breaks.AfterComment] = value;
+  breakOptions[Breaks.AfterProperty] = value;
+  breakOptions[Breaks.AfterRuleBegins] = value;
+  breakOptions[Breaks.AfterRuleEnds] = value;
+  breakOptions[Breaks.BeforeBlockEnds] = value;
+  breakOptions[Breaks.BetweenSelectors] = value;
+
+  return breakOptions;
+}
+
+function spaces(value) {
+  var spaceOptions = {};
+
+  spaceOptions[Spaces.AroundSelectorRelation] = value;
+  spaceOptions[Spaces.BeforeBlockBegins] = value;
+  spaceOptions[Spaces.BeforeValue] = value;
+
+  return spaceOptions;
+}
+
+function formatFrom(source) {
+  if (source === undefined || source === false) {
+    return false;
+  }
+
+  if (typeof source == 'object' && 'breakWith' in source) {
+    source = override(source, { breakWith: mapBreakWith(source.breakWith) });
+  }
+
+  if (typeof source == 'object' && 'indentBy' in source) {
+    source = override(source, { indentBy: parseInt(source.indentBy) });
+  }
+
+  if (typeof source == 'object' && 'indentWith' in source) {
+    source = override(source, { indentWith: mapIndentWith(source.indentWith) });
+  }
+
+  if (typeof source == 'object') {
+    return override(DEFAULTS, source);
+  }
+
+  if (typeof source == 'object') {
+    return override(DEFAULTS, source);
+  }
+
+  if (typeof source == 'string' && source == BEAUTIFY_ALIAS) {
+    return override(DEFAULTS, {
+      breaks: breaks(true),
+      indentBy: 2,
+      spaces: spaces(true)
+    });
+  }
+
+  if (typeof source == 'string' && source == KEEP_BREAKS_ALIAS) {
+    return override(DEFAULTS, {
+      breaks: {
+        afterAtRule: true,
+        afterBlockBegins: true,
+        afterBlockEnds: true,
+        afterComment: true,
+        afterRuleEnds: true,
+        beforeBlockEnds: true
+      }
+    });
+  }
+
+  if (typeof source == 'string') {
+    return override(DEFAULTS, toHash(source));
+  }
+
+  return DEFAULTS;
+}
+
+function toHash(string) {
+  return string
+    .split(OPTION_SEPARATOR)
+    .reduce(function (accumulator, directive) {
+      var parts = directive.split(OPTION_NAME_VALUE_SEPARATOR);
+      var name = parts[0];
+      var value = parts[1];
+
+      if (name == 'breaks' || name == 'spaces') {
+        accumulator[name] = hashValuesToHash(value);
+      } else if (name == 'indentBy' || name == 'wrapAt') {
+        accumulator[name] = parseInt(value);
+      } else if (name == 'indentWith') {
+        accumulator[name] = mapIndentWith(value);
+      } else if (name == 'breakWith') {
+        accumulator[name] = mapBreakWith(value);
+      }
+
+      return accumulator;
+    }, {});
+}
+
+function hashValuesToHash(string) {
+  return string
+    .split(HASH_VALUES_OPTION_SEPARATOR)
+    .reduce(function (accumulator, directive) {
+      var parts = directive.split(HASH_VALUES_NAME_VALUE_SEPARATOR);
+      var name = parts[0];
+      var value = parts[1];
+
+      accumulator[name] = normalizeValue(value);
+
+      return accumulator;
+    }, {});
+}
+
+
+function normalizeValue(value) {
+  switch (value) {
+    case FALSE_KEYWORD_1:
+    case FALSE_KEYWORD_2:
+      return false;
+    case TRUE_KEYWORD_1:
+    case TRUE_KEYWORD_2:
+      return true;
+    default:
+      return value;
+  }
+}
+
+function mapBreakWith(value) {
+  switch (value) {
+    case 'windows':
+    case 'crlf':
+    case BreakWith.CarriageReturnLineFeed:
+      return BreakWith.CarriageReturnLineFeed;
+    case 'unix':
+    case 'lf':
+    case BreakWith.LineFeed:
+      return BreakWith.LineFeed;
+    default:
+      return systemLineBreak;
+  }
+}
+
+function mapIndentWith(value) {
+  switch (value) {
+    case 'space':
+      return IndentWith.Space;
+    case 'tab':
+      return IndentWith.Tab;
+    default:
+      return value;
+  }
+}
+
+module.exports = {
+  Breaks: Breaks,
+  Spaces: Spaces,
+  formatFrom: formatFrom
+};