markdown-table-prettify
Version:
Transforms markdown tables to be more readable.
58 lines (57 loc) • 3.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TableValidator = void 0;
var TableValidator = /** @class */ (function () {
function TableValidator(_selectionInterpreter) {
this._selectionInterpreter = _selectionInterpreter;
}
TableValidator.prototype.isValid = function (selection) {
if (selection == null || selection === undefined)
return false;
var rawRows = this._selectionInterpreter.allRows(selection);
var sizeValid = rawRows.length > 2 && // at least two rows are required (besides the separator)
rawRows[0].length > 1 && // at least two columns are required
rawRows.every(function (r) { return r.length == rawRows[0].length; }); // all rows of a column must match the length of the first row of that column
return sizeValid && this.hasValidSeparators(this._selectionInterpreter.separator(selection));
};
TableValidator.prototype.lineIsValidSeparator = function (separatorLine) {
return this.hasValidSeparators(this._selectionInterpreter.splitLine(separatorLine));
};
TableValidator.prototype.hasValidSeparators = function (separator) {
var _this = this;
if (!separator || separator.length < 1 || !separator[1])
return false;
// if all columns are dashes, then it is valid
var allCellsDash = separator.every(function (cell) { return _this.validSeparator(cell); });
if (allCellsDash)
return true;
// now it can only be valid of the table starts or ends with a border and the middle columns are dashes
return this.allDashesWithBorder(separator);
};
TableValidator.prototype.validSeparator = function (cellValue) {
var trimmedSpace = cellValue.trim();
// alignment options with dash are allowed
if (trimmedSpace[0] == ":")
trimmedSpace = trimmedSpace.slice(1);
if (trimmedSpace[trimmedSpace.length - 1] == ":")
trimmedSpace = trimmedSpace.slice(0, -1);
var firstDash = trimmedSpace.replace(/(?!^)-/g, "");
if (firstDash === "-")
return true;
return false;
};
TableValidator.prototype.allDashesWithBorder = function (secondRow) {
var _this = this;
var hasStartingBorder = secondRow.length >= 3 && secondRow[0].trim() === "";
var hasEndingBorder = secondRow.length >= 3 && secondRow[secondRow.length - 1].trim() === "";
var startIndex = hasStartingBorder ? 1 : 0;
var endIndex = hasEndingBorder ? secondRow.length - 2 : secondRow.length - 1;
var middleColumns = secondRow.filter(function (v, i) { return i >= startIndex && i <= endIndex; });
var middleColumnsAllDash = middleColumns.every(function (cell) { return _this.validSeparator(cell); });
if (middleColumnsAllDash && (hasStartingBorder || hasEndingBorder))
return true;
return false;
};
return TableValidator;
}());
exports.TableValidator = TableValidator;