mingo
Version:
MongoDB query language for in-memory objects
60 lines (59 loc) • 2.08 kB
JavaScript
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var internal_exports = {};
__export(internal_exports, {
truncate: () => truncate
});
module.exports = __toCommonJS(internal_exports);
function truncate(num, places = 0, roundOff = false) {
const sign = Math.abs(num) === num ? 1 : -1;
num = Math.abs(num);
let result = Math.trunc(num);
const decimals = parseFloat((num - result).toFixed(places + 1));
if (places === 0) {
const firstDigit = Math.trunc(10 * decimals);
if (roundOff && ((result & 1) === 1 && firstDigit >= 5 || firstDigit > 5)) {
result++;
}
} else if (places > 0) {
const offset = Math.pow(10, places);
let remainder = Math.trunc(decimals * offset);
const lastDigit = Math.trunc(decimals * offset * 10) % 10;
if (roundOff && lastDigit > 5) {
remainder += 1;
}
result = (result * offset + remainder) / offset;
} else if (places < 0) {
const offset = Math.pow(10, -1 * places);
let excess = result % offset;
result = Math.max(0, result - excess);
if (roundOff && sign === -1) {
while (excess > 10) {
excess -= excess % 10;
}
if (result > 0 && excess >= 5) {
result += offset;
}
}
}
return result * sign;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
truncate
});