Refactoring: automatically generate code files from layer/theme files to avoid using 'Eval'

This commit is contained in:
Pieter Vander Vennet 2023-09-22 11:20:22 +02:00
parent 865b0bc44f
commit 39944a01fb
17 changed files with 269 additions and 31 deletions

View file

@ -454,12 +454,16 @@ export class ExtraFunctions {
"To enable this feature, add a field `calculatedTags` in the layer object, e.g.:",
"````",
'"calculatedTags": [',
' "_someKey=javascript-expression",',
' "_someKey=javascript-expression (lazy execution)",',
' "_some_other_key:=javascript expression (strict execution)',
' "name=feat.properties.name ?? feat.properties.ref ?? feat.properties.operator",',
" \"_distanceCloserThen3Km=distanceTo(feat)( some_lon, some_lat) < 3 ? 'yes' : 'no'\" ",
" ]",
"````",
"",
"By using `:=` as separator, the attribute will be calculated as soone as the data is loaded (strict evaluation)",
"The default behaviour, using `=` as separator, is lazy loading",
"",
"The above code will be executed for every feature in the layer. The feature is accessible as `feat` and is an amended geojson object:",
new List([