[tryton-commits] changeset in sao:default Support float represented by exponential

[Cédric Krier]

changeset 0214b6f02291 in sao:default
details: https://hg.tryton.org/sao?cmd=changeset;node=0214b6f02291
description:
        Support float represented by exponential

        The domain parser need to find the number of digit to display by 
analysing the
        string format of the value. Some small values may be formatted as 
exponential.

        issue9955
        review347261002
diffstat:

 src/common.js |  15 +++++++++------
 tests/sao.js  |   4 +++-
 2 files changed, 12 insertions(+), 7 deletions(-)

diffs (40 lines):

diff -r 497c0f50732a -r 0214b6f02291 src/common.js
--- a/src/common.js     Mon Jan 11 00:11:25 2021 +0100
+++ b/src/common.js     Mon Jan 18 23:29:44 2021 +0100
@@ -1991,13 +1991,16 @@
                 if (!value && value !== 0 && value !== new Sao.Decimal(0)) {
                     return '';
                 }
+                var digit = 0;
                 var factor = Number(field.factor || 1);
-                var digit = String(value * factor)
-                    .replace(/0+$/, '').split('.')[1];
-                if (digit) {
-                    digit = digit.length;
-                } else {
-                    digit = 0;
+                var string = String(value * factor);
+                if (string.contains('e')) {
+                    var exp = string.split('e')[1];
+                    string = string.split('e')[0];
+                    digit -= parseInt(exp);
+                }
+                if (string.contains('.')) {
+                    digit += string.replace(/0+$/, '').split('.')[1].length;
                 }
                 return (value * factor).toFixed(digit);
             };
diff -r 497c0f50732a -r 0214b6f02291 tests/sao.js
--- a/tests/sao.js      Mon Jan 11 00:11:25 2021 +0100
+++ b/tests/sao.js      Mon Jan 18 23:29:44 2021 +0100
@@ -1911,7 +1911,9 @@
         [0, '0'],
         [0.0, '0'],
         [false, ''],
-        [null, '']
+        [null, ''],
+        [1e-12, '0.000000000001'],
+        [1.0579e-10, '0.00000000010579'],
         ].forEach(test_func, field);
 
         test_func.call({'type': 'float', 'factor': '100'}, [0.42, '42']);