postcss,(plugins): nanocss, postcss-preset-env

4 files changed, 118 insertions, 0 deletions

diff --git a/node_modules/csso/lib/replace/property/background.js b/node_modules/csso/lib/replace/property/background.js
new file mode 100644
index 00000000..847a8cff
--- /dev/null
+++ b/node_modules/csso/lib/replace/property/background.js
@@ -0,0 +1,50 @@
+import { List } from 'css-tree';
+
+export default function compressBackground(node) {
+    function flush() {
+        if (!buffer.length) {
+            buffer.unshift(
+                {
+                    type: 'Number',
+                    loc: null,
+                    value: '0'
+                },
+                {
+                    type: 'Number',
+                    loc: null,
+                    value: '0'
+                }
+            );
+        }
+
+        newValue.push.apply(newValue, buffer);
+
+        buffer = [];
+    }
+
+    let newValue = [];
+    let buffer = [];
+
+    node.children.forEach((node) => {
+        if (node.type === 'Operator' && node.value === ',') {
+            flush();
+            newValue.push(node);
+            return;
+        }
+
+        // remove defaults
+        if (node.type === 'Identifier') {
+            if (node.name === 'transparent' ||
+                node.name === 'none' ||
+                node.name === 'repeat' ||
+                node.name === 'scroll') {
+                return;
+            }
+        }
+
+        buffer.push(node);
+    });
+
+    flush();
+    node.children = new List().fromArray(newValue);
+};
diff --git a/node_modules/csso/lib/replace/property/border.js b/node_modules/csso/lib/replace/property/border.js
new file mode 100644
index 00000000..c470b66f
--- /dev/null
+++ b/node_modules/csso/lib/replace/property/border.js
@@ -0,0 +1,16 @@
+export default function compressBorder(node) {
+    node.children.forEach((node, item, list) => {
+        if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') {
+            if (list.head === list.tail) {
+                // replace `none` for zero when `none` is a single term
+                item.data = {
+                    type: 'Number',
+                    loc: node.loc,
+                    value: '0'
+                };
+            } else {
+                list.remove(item);
+            }
+        }
+    });
+};
diff --git a/node_modules/csso/lib/replace/property/font-weight.js b/node_modules/csso/lib/replace/property/font-weight.js
new file mode 100644
index 00000000..3b901d33
--- /dev/null
+++ b/node_modules/csso/lib/replace/property/font-weight.js
@@ -0,0 +1,22 @@
+export default function compressFontWeight(node) {
+    const value = node.children.head.data;
+
+    if (value.type === 'Identifier') {
+        switch (value.name) {
+            case 'normal':
+                node.children.head.data = {
+                    type: 'Number',
+                    loc: value.loc,
+                    value: '400'
+                };
+                break;
+            case 'bold':
+                node.children.head.data = {
+                    type: 'Number',
+                    loc: value.loc,
+                    value: '700'
+                };
+                break;
+        }
+    }
+};
diff --git a/node_modules/csso/lib/replace/property/font.js b/node_modules/csso/lib/replace/property/font.js
new file mode 100644
index 00000000..38e903a2
--- /dev/null
+++ b/node_modules/csso/lib/replace/property/font.js
@@ -0,0 +1,30 @@
+export default function compressFont(node) {
+    const list = node.children;
+
+    list.forEachRight(function(node, item) {
+        if (node.type === 'Identifier') {
+            if (node.name === 'bold') {
+                item.data = {
+                    type: 'Number',
+                    loc: node.loc,
+                    value: '700'
+                };
+            } else if (node.name === 'normal') {
+                const prev = item.prev;
+
+                if (prev && prev.data.type === 'Operator' && prev.data.value === '/') {
+                    this.remove(prev);
+                }
+
+                this.remove(item);
+            }
+        }
+    });
+
+    if (list.isEmpty) {
+        list.insert(list.createItem({
+            type: 'Identifier',
+            name: 'normal'
+        }));
+    }
+};