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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
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Diffstat (limited to 'node_modules/postcss-value-parser/lib/unit.js')
-rw-r--r--node_modules/postcss-value-parser/lib/unit.js49
1 files changed, 49 insertions, 0 deletions
diff --git a/node_modules/postcss-value-parser/lib/unit.js b/node_modules/postcss-value-parser/lib/unit.js
new file mode 100644
index 0000000..06a1f66
--- /dev/null
+++ b/node_modules/postcss-value-parser/lib/unit.js
@@ -0,0 +1,49 @@
+var minus = "-".charCodeAt(0);
+var plus = "+".charCodeAt(0);
+var dot = ".".charCodeAt(0);
+var exp = "e".charCodeAt(0);
+var EXP = "E".charCodeAt(0);
+
+module.exports = function(value) {
+ var pos = 0;
+ var length = value.length;
+ var dotted = false;
+ var sciPos = -1;
+ var containsNumber = false;
+ var code;
+
+ while (pos < length) {
+ code = value.charCodeAt(pos);
+
+ if (code >= 48 && code <= 57) {
+ containsNumber = true;
+ } else if (code === exp || code === EXP) {
+ if (sciPos > -1) {
+ break;
+ }
+ sciPos = pos;
+ } else if (code === dot) {
+ if (dotted) {
+ break;
+ }
+ dotted = true;
+ } else if (code === plus || code === minus) {
+ if (pos !== 0) {
+ break;
+ }
+ } else {
+ break;
+ }
+
+ pos += 1;
+ }
+
+ if (sciPos + 1 === pos) pos--;
+
+ return containsNumber
+ ? {
+ number: value.slice(0, pos),
+ unit: value.slice(pos)
+ }
+ : false;
+};