@forestadmin/datasource-toolkit
Version:
28 lines • 2.74 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
class ConditionTree {
apply(records, collection, timezone) {
return records.filter(record => this.match(record, collection, timezone));
}
nest(prefix) {
return prefix && prefix.length
? this.replaceLeafs(leaf => leaf.override({ field: `${prefix}:${leaf.field}` }))
: this;
}
unnest() {
let prefix = null;
this.someLeaf(leaf => {
[prefix] = leaf.field.split(':');
return false;
});
if (!this.everyLeaf(leaf => leaf.field.startsWith(prefix))) {
throw new Error('Cannot unnest condition tree.');
}
return this.replaceLeafs(leaf => leaf.override({ field: leaf.field.substring(prefix.length + 1) }));
}
replaceFields(handler) {
return this.replaceLeafs(leaf => leaf.override({ field: handler(leaf.field) }));
}
}
exports.default = ConditionTree;
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