5.6.4. Build System and Project Structure
The following tools are used in Polymer client build chain:
By default Gradle handles installation and invocation of these tools. It’s possible to use them directly, see Using Native Polymer Tools.
Polymer 2.x and its native elements are written using ES6, thus it requires additional build step (ES6 → ES5 compilation) in order to support old browsers.
Warning
|
The default preset used in Polymer client is |
In order to change build preset open polymer.json
and change builds
property accordingly e.g.:
"builds": [
{
"preset": "es5-bundled",
"basePath": "/app-front/",
"addServiceWorker": false
}
]
You can specify several presets or customize build process in polymer.json
. More info about presets and options is available on Polymer website.
In order the results of specific preset build being deployed to Tomcat you need to change deploy
task in build.gradle
:
task deploy(type: Copy, dependsOn: [assemble, deployUnbundled]) {
from file('build/es5-unbundled')
into "$cuba.tomcat.dir/webapps/$frontAppDir"
}
Notice es6-bundled
→ es5-unbundled
change in polymer.json
and build.gradle
.