1 files changed, 43 insertions, 0 deletions
diff --git a/src/client/util/convertToCSSPTValue.js b/src/client/util/convertToCSSPTValue.js
new file mode 100644
index 000000000..179557953
--- /dev/null
+++ b/src/client/util/convertToCSSPTValue.js
@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.PT_TO_PX_RATIO = exports.PX_TO_PT_RATIO = undefined;
+exports.default = convertToCSSPTValue;
+exports.toClosestFontPtSize = toClosestFontPtSize;
+
+// var _FontSizeCommandMenuButton = require('./ui/FontSizeCommandMenuButton');
+
+var SIZE_PATTERN = /([\d\.]+)(px|pt)/i;
+
+var PX_TO_PT_RATIO = exports.PX_TO_PT_RATIO = 0.7518796992481203; // 1 / 1.33.
+var PT_TO_PX_RATIO = exports.PT_TO_PX_RATIO = 1.33;
+
+function convertToCSSPTValue(styleValue) {
+    var matches = styleValue.match(SIZE_PATTERN);
+    if (!matches) {
+        return 0;
+    }
+    var value = parseFloat(matches[1]);
+    var unit = matches[2];
+    if (!value || !unit) {
+        return 0;
+    }
+    if (unit === 'px') {
+        value = PX_TO_PT_RATIO * value;
+    }
+    return value;
+}
+
+function toClosestFontPtSize(styleValue) {
+    var originalPTValue = convertToCSSPTValue(styleValue);
+
+    // if (_FontSizeCommandMenuButton.FONT_PT_SIZES.includes(originalPTValue)) {
+    //     return originalPTValue;
+    // }
+
+    return _FontSizeCommandMenuButton.FONT_PT_SIZES.reduce(function (prev, curr) {
+        return Math.abs(curr - originalPTValue) < Math.abs(prev - originalPTValue) ? curr : prev;
+    }, Number.NEGATIVE_INFINITY);
+}
+\ No newline at end of file