[tryton-commits] changeset in sao:5.6 Support float represented by exponential

[Cédric Krier]

changeset d5d391df26af in sao:5.6
details: https://hg.tryton.org/sao?cmd=changeset;node=d5d391df26af
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
        (grafted from 0214b6f02291a797bc61c440711013f53cc4638b)
diffstat:

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

diffs (40 lines):

diff -r f3df0f1369e6 -r d5d391df26af 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
@@ -1966,13 +1966,16 @@
                 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 f3df0f1369e6 -r d5d391df26af 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
@@ -1793,7 +1793,9 @@
         [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']);