@tsed/logger
Version:
A multi channel logger written in TypeScript.
99 lines • 2.64 kB
JavaScript
export function charRepeater(x, char = " ") {
let res = "";
while (x--)
res += char;
return res;
}
/**
*
* @returns {string}
*/
export function buildStartLine(fields, settings) {
let line = "┌";
let list = Object.keys(fields);
list.forEach((key, index) => {
if (index !== 0 && index !== list.length) {
line += "┬";
}
line += charRepeater(fields[key] + 2 * settings.padding, "─");
});
line += "┐";
return line;
}
/**
*
* @param fields
* @param settings
* @returns {string}
*/
export function buildEndLine(fields, settings) {
let line = "└";
let list = Object.keys(fields);
list.forEach((key, index) => {
if (index !== 0 && index !== list.length) {
line += "┴";
}
line += charRepeater(fields[key] + 2 * settings.padding, "─");
});
line += "┘";
return line;
}
/**
*
* @param fields
* @param settings
* @param char
* @returns {string}
*/
export function buildLine(fields, settings, char = "─") {
let line = "";
Object.keys(fields).forEach((key) => {
line += "│";
line += charRepeater(fields[key] + 2 * settings.padding, char);
});
line += "│";
return line;
}
/**
*
*/
export function buildLineData(scope, fields, settings) {
let line = "";
Object.keys(fields).forEach((key) => {
line += "│ ";
line += scope[key];
line += charRepeater(fields[key] + 2 * (settings.padding - 1) - scope[key].length, " ");
line += " ";
});
line += "│";
return line;
}
/**
*
* @param list
* @param settings
* @returns {string}
*/
export function drawTable(list, settings = {}) {
settings.padding = settings.padding || 1;
if (settings.header === undefined) {
settings.header = {};
Object.keys(list[0]).forEach((key) => (settings.header[key] = key));
}
const fields = {};
// Calculate width for each column
Object.keys(settings.header).forEach((key) => (fields[key] = settings.header[key].length));
list.forEach((route) => {
Object.keys(fields).forEach((key) => (fields[key] = Math.max(("" + route[key]).length, fields[key])));
});
let output = "";
output += buildStartLine(fields, settings) + "\n";
output += buildLineData(settings.header, fields, settings) + "\n";
list.forEach((scope) => {
output += buildLine(fields, settings) + "\n";
output += buildLineData(scope, fields, settings) + "\n";
});
output += buildEndLine(fields, settings);
return output;
}
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