From df606a1f7bcb32747085972b740c6685ffabcb71 Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <pham@topo.tw>
Date: Wed, 23 Oct 2024 17:19:31 +0800
Subject: feat: add support for full-width digits

---
 src/dumbyUtils.mjs |  8 +++++---
 src/utils.mjs      | 17 +++++++++++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/src/dumbyUtils.mjs b/src/dumbyUtils.mjs
index 12b5905..2f64e38 100644
--- a/src/dumbyUtils.mjs
+++ b/src/dumbyUtils.mjs
@@ -1,5 +1,5 @@
 import LeaderLine from 'leader-line'
-import { insideWindow, insideParent, replaceTextNodes } from './utils'
+import { insideWindow, insideParent, replaceTextNodes, full2Half } from './utils'
 import proj4 from 'proj4'
 
 export const coordPattern = /^geo:([-]?[0-9.]+),([-]?[0-9.]+)/
@@ -439,11 +439,13 @@ export const dragForAnchor = (container, range, endOfLeaderLine) => {
 }
 
 export const addGeoSchemeByText = async (node) => {
-  const coordPatterns = /(-?\d+\.?\d*)([,\x2F\uFF0C])(-?\d+\.?\d*)/
+  const digit = '[\\d\\uFF10-\\uFF19]'
+  const decimal = '[.\\uFF0E]'
+  const coordPatterns = `(-?${digit}+${decimal}?${digit}*)([,\x2F\uFF0C])(-?${digit}+${decimal}?${digit}*)`
   const re = new RegExp(coordPatterns, 'g')
 
   return replaceTextNodes(node, re, match => {
-    const [x, y] = [match.at(1), match.at(3)]
+    const [x, y] = [full2Half(match.at(1)), full2Half(match.at(3))]
     // Don't process string which can be used as date
     if (Date.parse(match.at(0) + ' 1990')) return null
 
diff --git a/src/utils.mjs b/src/utils.mjs
index dbb3881..d2c5d8f 100644
--- a/src/utils.mjs
+++ b/src/utils.mjs
@@ -235,3 +235,20 @@ export function getCommonAncestor (selector) {
   // Return the common ancestor
   return range.commonAncestorContainer
 }
+
+/**
+ * full2Half: full-Width Digits To Half-Width.
+ *
+ * @param {String} str
+ */
+export const full2Half = (str) => {
+  // Create a regular expression to match full-width digits (U+FF10 to U+FF19)
+  const fullWidthDigitsRegex = /[\uFF0E\uFF10-\uFF19]/g
+
+  // Replace full-width digits with their half-width equivalents
+  return str.replace(fullWidthDigitsRegex, (match) => {
+    const fullWidthDigit = match.charCodeAt(0)
+    const halfWidthDigit = fullWidthDigit - 65248 // Offset to convert full-width to half-width
+    return String.fromCharCode(halfWidthDigit)
+  })
+}
-- 
cgit v1.2.3-70-g09d2