mysql-all-in-one
Version:
A package that allows you to have a complete interaction with a MYSQL database, allowing to connect to the database, retrieve data and create queries.
70 lines (69 loc) • 2.83 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.statementsMerge = exports.arrayUnflat = exports.group = void 0;
const types_1 = require("../QueryBuilder/types");
const lodash_1 = __importDefault(require("lodash"));
const types_2 = require("./types");
const group = (data, by, columnGroups) => {
return data.reduce((acc, cur) => {
if (!(0, types_2.isColumnGroups)(columnGroups))
throw 'Invalid Column Groups, must be an Array of strings or Object with only string values.';
let index = acc.findIndex((v) => v[by] === cur[by]);
if (index === -1) {
const newRow = Object.assign({}, cur);
Object.entries(columnGroups).forEach(([groupName, groupColumns]) => {
const newColumnNames = (0, types_1.isArrayOfStrings)(groupColumns)
? groupColumns
: Object.values(groupColumns);
newRow[groupName] = [];
newColumnNames.forEach((col) => delete newRow[col]);
});
acc.push(newRow);
index = acc.length - 1;
}
Object.entries(columnGroups).forEach(([groupName, groupColumns]) => {
const groupObject = {};
if ((0, types_1.isArrayOfStrings)(groupColumns)) {
groupColumns.forEach((col) => {
groupObject[col] = cur[col];
});
}
else {
Object.entries(groupColumns).forEach(([newColumn, oldColumn]) => {
groupObject[newColumn] = cur[oldColumn];
});
}
if (!Object.values(groupObject).every((v) => lodash_1.default.isNil(v)) &&
acc[index][groupName].findIndex((v) => lodash_1.default.isEqual(v, groupObject)) === -1) {
acc[index][groupName].push(groupObject);
}
});
return acc;
}, []);
};
exports.group = group;
const arrayUnflat = (array, size) => {
if (!size || size <= 0 || !Array.isArray(array))
return array;
const newArray = [];
while (array.length > 0)
newArray.push(array.splice(0, size));
return newArray;
};
exports.arrayUnflat = arrayUnflat;
const statementsMerge = (stringArray, maxStringSize) => {
return stringArray.reduce((acc, cur) => {
cur = `${cur};`;
if (acc[acc.length - 1] !== undefined &&
acc[acc.length - 1].length + cur.length <= maxStringSize) {
acc[acc.length - 1] = `${acc[acc.length - 1]}${cur}`;
return acc;
}
acc.push(cur);
return acc;
}, []);
};
exports.statementsMerge = statementsMerge;