選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
108 行
2.7 KiB
108 行
2.7 KiB
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
|
|
var _isNumber2 = _interopRequireDefault(require("lodash/isNumber"));
|
|
|
|
var _isString2 = _interopRequireDefault(require("lodash/isString"));
|
|
|
|
var _stringWidth = _interopRequireDefault(require("string-width"));
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
const alignments = ['left', 'right', 'center'];
|
|
/**
|
|
* @param {string} subject
|
|
* @param {number} width
|
|
* @returns {string}
|
|
*/
|
|
|
|
const alignLeft = (subject, width) => {
|
|
return subject + ' '.repeat(width);
|
|
};
|
|
/**
|
|
* @param {string} subject
|
|
* @param {number} width
|
|
* @returns {string}
|
|
*/
|
|
|
|
|
|
const alignRight = (subject, width) => {
|
|
return ' '.repeat(width) + subject;
|
|
};
|
|
/**
|
|
* @param {string} subject
|
|
* @param {number} width
|
|
* @returns {string}
|
|
*/
|
|
|
|
|
|
const alignCenter = (subject, width) => {
|
|
let halfWidth;
|
|
halfWidth = width / 2;
|
|
|
|
if (halfWidth % 2 === 0) {
|
|
return ' '.repeat(halfWidth) + subject + ' '.repeat(halfWidth);
|
|
} else {
|
|
halfWidth = Math.floor(halfWidth);
|
|
return ' '.repeat(halfWidth) + subject + ' '.repeat(halfWidth + 1);
|
|
}
|
|
};
|
|
/**
|
|
* Pads a string to the left and/or right to position the subject
|
|
* text in a desired alignment within a container.
|
|
*
|
|
* @param {string} subject
|
|
* @param {number} containerWidth
|
|
* @param {string} alignment One of the valid options (left, right, center).
|
|
* @returns {string}
|
|
*/
|
|
|
|
|
|
const alignString = (subject, containerWidth, alignment) => {
|
|
if (!(0, _isString2.default)(subject)) {
|
|
throw new TypeError('Subject parameter value must be a string.');
|
|
}
|
|
|
|
if (!(0, _isNumber2.default)(containerWidth)) {
|
|
throw new TypeError('Container width parameter value must be a number.');
|
|
}
|
|
|
|
const subjectWidth = (0, _stringWidth.default)(subject);
|
|
|
|
if (subjectWidth > containerWidth) {
|
|
// console.log('subjectWidth', subjectWidth, 'containerWidth', containerWidth, 'subject', subject);
|
|
throw new Error('Subject parameter value width cannot be greater than the container width.');
|
|
}
|
|
|
|
if (!(0, _isString2.default)(alignment)) {
|
|
throw new TypeError('Alignment parameter value must be a string.');
|
|
}
|
|
|
|
if (!alignments.includes(alignment)) {
|
|
throw new Error('Alignment parameter value must be a known alignment parameter value (left, right, center).');
|
|
}
|
|
|
|
if (subjectWidth === 0) {
|
|
return ' '.repeat(containerWidth);
|
|
}
|
|
|
|
const availableWidth = containerWidth - subjectWidth;
|
|
|
|
if (alignment === 'left') {
|
|
return alignLeft(subject, availableWidth);
|
|
}
|
|
|
|
if (alignment === 'right') {
|
|
return alignRight(subject, availableWidth);
|
|
}
|
|
|
|
return alignCenter(subject, availableWidth);
|
|
};
|
|
|
|
var _default = alignString;
|
|
exports.default = _default;
|
|
//# sourceMappingURL=alignString.js.map
|