first commit

app_vue/node_modules/csso/lib/replace/Number.js

@@ -0,0 +1,39 @@
+var OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
+var KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
+var unsafeToRemovePlusSignAfter = {
+    Dimension: true,
+    Hash: true,
+    Identifier: true,
+    Number: true,
+    Raw: true,
+    UnicodeRange: true
+};
+
+function packNumber(value, item) {
+    // omit plus sign only if no prev or prev is safe type
+    var regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.hasOwnProperty(item.prev.data.type)
+        ? KEEP_PLUSSIGN
+        : OMIT_PLUSSIGN;
+
+    // 100 -> '100'
+    // 00100 -> '100'
+    // +100 -> '100' (only when safe, e.g. omitting plus sign for 1px+1px leads to single dimension instead of two)
+    // -100 -> '-100'
+    // 0.123 -> '.123'
+    // 0.12300 -> '.123'
+    // 0.0 -> ''
+    // 0 -> ''
+    // -0 -> '-'
+    value = String(value).replace(regexp, '$1$2$3');
+
+    if (value === '' || value === '-') {
+        value = '0';
+    }
+
+    return value;
+}
+
+module.exports = function(node, item) {
+    node.value = packNumber(node.value, item);
+};
+module.exports.pack = packNumber;