diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/table/dist/alignString.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/table/dist/alignString.js | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/table/dist/alignString.js b/tools/node_modules/eslint/node_modules/table/dist/alignString.js new file mode 100644 index 0000000000..a000208e3a --- /dev/null +++ b/tools/node_modules/eslint/node_modules/table/dist/alignString.js @@ -0,0 +1,106 @@ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); + +var _lodash = require('lodash'); + +var _lodash2 = _interopRequireDefault(_lodash); + +var _stringWidth = require('string-width'); + +var _stringWidth2 = _interopRequireDefault(_stringWidth); + +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 + _lodash2.default.repeat(' ', width); +}; + +/** + * @param {string} subject + * @param {number} width + * @returns {string} + */ +const alignRight = (subject, width) => { + return _lodash2.default.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 _lodash2.default.repeat(' ', halfWidth) + subject + _lodash2.default.repeat(' ', halfWidth); + } else { + halfWidth = _lodash2.default.floor(halfWidth); + + return _lodash2.default.repeat(' ', halfWidth) + subject + _lodash2.default.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} + */ + +exports.default = (subject, containerWidth, alignment) => { + if (!_lodash2.default.isString(subject)) { + throw new TypeError('Subject parameter value must be a string.'); + } + + if (!_lodash2.default.isNumber(containerWidth)) { + throw new TypeError('Container width parameter value must be a number.'); + } + + const subjectWidth = (0, _stringWidth2.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 (!_lodash2.default.isString(alignment)) { + throw new TypeError('Alignment parameter value must be a string.'); + } + + if (alignments.indexOf(alignment) === -1) { + throw new Error('Alignment parameter value must be a known alignment parameter value (left, right, center).'); + } + + if (subjectWidth === 0) { + return _lodash2.default.repeat(' ', containerWidth); + } + + const availableWidth = containerWidth - subjectWidth; + + if (alignment === 'left') { + return alignLeft(subject, availableWidth); + } + + if (alignment === 'right') { + return alignRight(subject, availableWidth); + } + + return alignCenter(subject, availableWidth); +};
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