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import type { CellValue } from "../types";
export type Headers = string[];
export type Data = CellValue[][];
export type Datatype =
| "str"
| "number"
| "bool"
| "date"
| "markdown"
| "html"
| "image";
export type Metadata = {
[key: string]: string[][] | null;
} | null;
export type HeadersWithIDs = { value: string; id: string }[];
export type DataframeValue = {
data: Data;
headers: Headers;
metadata?: Metadata;
};
/**
* Coerce a value to a given type.
* @param v - The value to coerce.
* @param t - The type to coerce to.
* @returns The coerced value.
*/
export function cast_value_to_type(v: any, t: Datatype): CellValue {
if (t === "number") {
const n = Number(v);
return isNaN(n) ? v : n;
}
if (t === "bool") {
if (typeof v === "boolean") return v;
if (typeof v === "number") return v !== 0;
const s = String(v).toLowerCase();
if (s === "true" || s === "1") return true;
if (s === "false" || s === "0") return false;
return v;
}
if (t === "date") {
const d = new Date(v);
return isNaN(d.getTime()) ? v : d.toISOString();
}
return v;
}
export interface EditData {
index: number | [number, number];
value: string;
previous_value: string;
}
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