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float.ts
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float.ts
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import type { ValidationResult } from "../../../chip-types/field.js";
import { Context, Errors, Field } from "../../../main.js";
import humanComparatorToQuery, {
type ComparatorObject,
type DBComparator,
type HumanComparator,
} from "../../../utils/human-comparator-to-query.js";
/** Stores a floating point number. Does not take params. Does not allow range filtering. @todo: add range filtering */
export default class Float<Decoded = number> extends Field<
Decoded,
string | number,
number
> {
typeName = "float";
async isProperValue(
context: Context,
input: number
): Promise<ValidationResult> {
const test = parseFloat(input.toString());
if (test === null || isNaN(test) || isNaN(input) === true) {
return Field.invalid(context.app.i18n("invalid_float", [input]));
} else {
return Field.valid();
}
}
async hasIndex(): Promise<boolean> {
return true;
}
async getMatchQueryValue(
_: Context,
field_filter: number | string | ComparatorObject<number>
) {
if (typeof field_filter !== "object") {
return {
$eq: parseFloat(field_filter.toString()),
};
}
// treating filter as a query here
const new_filter: { [db_comp in DBComparator]?: number } = {};
for (const comparator in field_filter) {
if (!comparator) {
continue;
}
const new_comparator = humanComparatorToQuery(
comparator as HumanComparator
);
if (new_comparator === undefined) {
throw new Errors.ValidationError(
`Unknown comparator: '${comparator}'.`
);
}
const value =
field_filter[comparator as HumanComparator]?.toString();
if (value === undefined) {
continue;
}
new_filter[new_comparator] = parseInt(value, 10);
}
return new_filter;
}
async encode(_: any, value: number | string) {
if (value === null) {
return null;
}
const parsed_float = parseFloat(value.toString());
return parsed_float;
}
}

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