1 files changed, 127 insertions, 0 deletions
diff --git a/node_modules/svgo/plugins/convertColors.js b/node_modules/svgo/plugins/convertColors.js
new file mode 100644
index 00000000..b856e130
--- /dev/null
+++ b/node_modules/svgo/plugins/convertColors.js
@@ -0,0 +1,127 @@
+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = true;
+
+exports.description = 'converts colors: rgb() to #rrggbb and #rrggbb to #rgb';
+
+exports.params = {
+    currentColor: false,
+    names2hex: true,
+    rgb2hex: true,
+    shorthex: true,
+    shortname: true
+};
+
+var collections = require('./_collections'),
+    rNumber = '([+-]?(?:\\d*\\.\\d+|\\d+\\.?)%?)',
+    rComma = '\\s*,\\s*',
+    regRGB = new RegExp('^rgb\\(\\s*' + rNumber + rComma + rNumber + rComma + rNumber + '\\s*\\)$'),
+    regHEX = /^\#(([a-fA-F0-9])\2){3}$/,
+    none = /\bnone\b/i;
+
+/**
+ * Convert different colors formats in element attributes to hex.
+ *
+ * @see http://www.w3.org/TR/SVG/types.html#DataTypeColor
+ * @see http://www.w3.org/TR/SVG/single-page.html#types-ColorKeywords
+ *
+ * @example
+ * Convert color name keyword to long hex:
+ * fuchsia ➡ #ff00ff
+ *
+ * Convert rgb() to long hex:
+ * rgb(255, 0, 255) ➡ #ff00ff
+ * rgb(50%, 100, 100%) ➡ #7f64ff
+ *
+ * Convert long hex to short hex:
+ * #aabbcc ➡ #abc
+ *
+ * Convert hex to short name
+ * #000080 ➡ navy
+ *
+ * @param {Object} item current iteration item
+ * @param {Object} params plugin params
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.fn = function(item, params) {
+
+    if (item.elem) {
+
+        item.eachAttr(function(attr) {
+
+            if (collections.colorsProps.indexOf(attr.name) > -1) {
+
+                var val = attr.value,
+                    match;
+
+                // Convert colors to currentColor
+                if (params.currentColor) {
+                    if (typeof params.currentColor === 'string') {
+                        match = val === params.currentColor;
+                    } else if (params.currentColor.exec) {
+                        match = params.currentColor.exec(val);
+                    } else {
+                        match = !val.match(none);
+                    }
+                    if (match) {
+                        val = 'currentColor';
+                    }
+                }
+
+                // Convert color name keyword to long hex
+                if (params.names2hex && val.toLowerCase() in collections.colorsNames) {
+                    val = collections.colorsNames[val.toLowerCase()];
+                }
+
+                // Convert rgb() to long hex
+                if (params.rgb2hex && (match = val.match(regRGB))) {
+                    match = match.slice(1, 4).map(function(m) {
+                        if (m.indexOf('%') > -1)
+                            m = Math.round(parseFloat(m) * 2.55);
+
+                        return Math.max(0, Math.min(m, 255));
+                    });
+
+                    val = rgb2hex(match);
+                }
+
+                // Convert long hex to short hex
+                if (params.shorthex && (match = val.match(regHEX))) {
+                    val = '#' + match[0][1] + match[0][3] + match[0][5];
+                }
+
+                // Convert hex to short name
+                if (params.shortname && val in collections.colorsShortNames) {
+                    val = collections.colorsShortNames[val];
+                }
+
+                attr.value = val;
+
+            }
+
+        });
+
+    }
+
+};
+
+/**
+ * Convert [r, g, b] to #rrggbb.
+ *
+ * @see https://gist.github.com/983535
+ *
+ * @example
+ * rgb2hex([255, 255, 255]) // '#ffffff'
+ *
+ * @param {Array} rgb [r, g, b]
+ * @return {String} #rrggbb
+ *
+ * @author Jed Schmidt
+ */
+function rgb2hex(rgb) {
+    return '#' + ('00000' + (rgb[0] << 16 | rgb[1] << 8 | rgb[2]).toString(16)).slice(-6).toUpperCase();
+}