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import { Frame } from '../index';
import { getSize } from './info';
/**
* data prints the data of the frame in console.table format. It also sets the new data to the frame if data is passed as a parameter
* @param rowdata: the rowdata to be sent to the frame
* @returns the current frame
*/
export function data(
this: Frame,
rowdata?: Array<unknown[]>
): unknown[][] | any {
if (rowdata) {
this.rowdata = rowdata;
this.size = getSize(this.rowdata);
}
return this;
}
/**
* header sets the names of the columns of the frame
* @param header: the header to be attached to the frame
* @returns the current frame
*/
export function header(
this: Frame,
header?: Array<string>
): Array<string> | any {
if (!header?.length) {
this.columns = generateHeader(this.rowdata);
} else {
this.columns = setHeader(this.rowdata, header);
}
return this;
}
/**
* setHeader sets the names of the columns of the frame
* @param rowdata: the rowdata to be sent to the frame
* @param header: the header to be attached to the frame
* @returns a new header
*/
export function setHeader(rowdata: any[][], header: any[]): Array<string> {
const maxSizedArrayLength = rowdata.reduce((acc, curr) => {
return acc.length > curr.length ? acc : curr;
}).length;
const newHeaderArray = Array(maxSizedArrayLength).fill('');
for (let i = 0; i < maxSizedArrayLength; i++) {
if (header[i]) {
newHeaderArray[i] = header[i];
} else {
newHeaderArray[i] = `Column ${i + 1}`;
}
}
return newHeaderArray;
}
/**
* generateHeader generates the names of the columns of the frame
* @param rowdata: the rowdata to be sent to the frame
* @returns a new header
*/
export function generateHeader(rd: Array<any[]>): Array<string> {
if (rd?.length) {
const maxSizedArrayLength = rd.reduce((acc, curr) => {
return acc.length > curr.length ? acc : curr;
}).length;
const header: Array<string> = [];
for (let i = 0; i < maxSizedArrayLength; i++) {
header.push(`Column ${i + 1}`);
}
return header;
} else {
return [];
}
}
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