consul/ui/packages/consul-ui/lib/custom-element/index.js

65 lines
2.3 KiB
JavaScript

'use strict';
module.exports = {
name: require('./package').name,
getTransform: function () {
return {
name: 'custom-element',
plugin: class {
transform(ast) {
this.syntax.traverse(ast, {
ElementNode: (node) => {
if (node.tag === 'CustomElement') {
node.attributes = node.attributes
// completely remove these ones, they are not used runtime
// element is potentially only temporarily being removed
.filter(
(item) =>
!['element', 'description', 'slots', 'cssparts'].includes(
`${item.name.substr(1)}`
)
)
.map((item) => {
switch (true) {
// these ones are ones where we need to remove the documentation only
// the attributes themselves are required at runtime
case ['attrs', 'cssprops'].includes(`${item.name.substr(1)}`):
item.value.params = item.value.params.map((item) => {
// we can't use arr.length here as we don't know
// whether someone has used the documentation entry
// in the array or not We use the hardcoded `3` for
// the moment if that position needs to change per
// property we can just add more cases for the
// moment
item.params = item.params.filter((item, i, arr) => i < 3);
return item;
});
break;
}
return item;
});
}
},
});
return ast;
}
},
baseDir: function () {
return __dirname;
},
cacheKey: function () {
return 'custom-element';
},
};
},
setupPreprocessorRegistry(type, registry) {
const transform = this.getTransform();
transform.parallelBabel = {
requireFile: __filename,
buildUsing: 'getTransform',
params: {},
};
registry.add('htmlbars-ast-plugin', transform);
},
};