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import {V} from '#composite';
import Thing from '#thing';
import {isStringNonEmpty, strictArrayOf} from '#validators';
import {
compareCaseLessSensitive,
sortByDate,
sortByDirectory,
sortByName,
} from '#sort';
import {exposeConstant} from '#composite/control-flow';
import {SortingRule} from './SortingRule.js';
export class ThingSortingRule extends SortingRule {
static [Thing.getPropertyDescriptors] = () => ({
// Update & expose
properties: {
flags: {update: true, expose: true},
update: {
validate: strictArrayOf(isStringNonEmpty),
},
},
// Expose only
isThingSortingRule: exposeConstant(V(true)),
});
static [Thing.yamlDocumentSpec] = {
fields: {
'By Properties': {property: 'properties'},
},
};
sort(sortable) {
if (this.properties) {
for (const property of this.properties.toReversed()) {
const get = thing => thing[property];
const lc = property.toLowerCase();
if (lc.endsWith('date')) {
sortByDate(sortable, {getDate: get});
continue;
}
if (lc.endsWith('directory')) {
sortByDirectory(sortable, {getDirectory: get});
continue;
}
if (lc.endsWith('name')) {
sortByName(sortable, {getName: get});
continue;
}
const values = sortable.map(get);
if (values.every(v => typeof v === 'string')) {
sortable.sort((a, b) =>
compareCaseLessSensitive(get(a), get(b)));
continue;
}
if (values.every(v => typeof v === 'number')) {
sortable.sort((a, b) => get(a) - get(b));
continue;
}
sortable.sort((a, b) =>
(get(a).toString() < get(b).toString()
? -1
: get(a).toString() > get(b).toString()
? +1
: 0));
}
}
return sortable;
}
}
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