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- "use strict";
- var __importDefault = (this && this.__importDefault) || function (mod) {
- return (mod && mod.__esModule) ? mod : { "default": mod };
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.alignString = void 0;
- const string_width_1 = __importDefault(require("string-width"));
- const utils_1 = require("./utils");
- const alignLeft = (subject, width) => {
- return subject + ' '.repeat(width);
- };
- const alignRight = (subject, width) => {
- return ' '.repeat(width) + subject;
- };
- const alignCenter = (subject, width) => {
- return ' '.repeat(Math.floor(width / 2)) + subject + ' '.repeat(Math.ceil(width / 2));
- };
- const alignJustify = (subject, width) => {
- const spaceSequenceCount = utils_1.countSpaceSequence(subject);
- if (spaceSequenceCount === 0) {
- return alignLeft(subject, width);
- }
- const addingSpaces = utils_1.distributeUnevenly(width, spaceSequenceCount);
- if (Math.max(...addingSpaces) > 3) {
- return alignLeft(subject, width);
- }
- let spaceSequenceIndex = 0;
- return subject.replace(/\s+/g, (groupSpace) => {
- return groupSpace + ' '.repeat(addingSpaces[spaceSequenceIndex++]);
- });
- };
- /**
- * Pads a string to the left and/or right to position the subject
- * text in a desired alignment within a container.
- */
- const alignString = (subject, containerWidth, alignment) => {
- const subjectWidth = string_width_1.default(subject);
- if (subjectWidth === containerWidth) {
- return subject;
- }
- if (subjectWidth > containerWidth) {
- throw new Error('Subject parameter value width cannot be greater than the container width.');
- }
- if (subjectWidth === 0) {
- return ' '.repeat(containerWidth);
- }
- const availableWidth = containerWidth - subjectWidth;
- if (alignment === 'left') {
- return alignLeft(subject, availableWidth);
- }
- if (alignment === 'right') {
- return alignRight(subject, availableWidth);
- }
- if (alignment === 'justify') {
- return alignJustify(subject, availableWidth);
- }
- return alignCenter(subject, availableWidth);
- };
- exports.alignString = alignString;
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