diff options
Diffstat (limited to 'app/assets/javascripts/lib/utils/text_utility.js')
-rw-r--r-- | app/assets/javascripts/lib/utils/text_utility.js | 241 |
1 files changed, 59 insertions, 182 deletions
diff --git a/app/assets/javascripts/lib/utils/text_utility.js b/app/assets/javascripts/lib/utils/text_utility.js index 021f936a4fa..9280b7f150c 100644 --- a/app/assets/javascripts/lib/utils/text_utility.js +++ b/app/assets/javascripts/lib/utils/text_utility.js @@ -1,189 +1,66 @@ -/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-param-reassign, no-cond-assign, quotes, one-var, one-var-declaration-per-line, operator-assignment, no-else-return, prefer-template, prefer-arrow-callback, no-empty, max-len, consistent-return, no-unused-vars, no-return-assign, max-len, vars-on-top */ +/** + * Adds a , to a string composed by numbers, at every 3 chars. + * + * 2333 -> 2,333 + * 232324 -> 232,324 + * + * @param {String} text + * @returns {String} + */ +export const addDelimiter = text => (text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',') : text); -import 'vendor/latinise'; +/** + * Returns '99+' for numbers bigger than 99. + * + * @param {Number} count + * @return {Number|String} + */ +export const highCountTrim = count => (count > 99 ? '99+' : count); -var base; -var w = window; -if (w.gl == null) { - w.gl = {}; -} -if ((base = w.gl).text == null) { - base.text = {}; -} -gl.text.addDelimiter = function(text) { - return text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") : text; -}; -gl.text.highCountTrim = function(count) { - return count > 99 ? '99+' : count; -}; -gl.text.randomString = function() { - return Math.random().toString(36).substring(7); -}; -gl.text.replaceRange = function(s, start, end, substitute) { - return s.substring(0, start) + substitute + s.substring(end); -}; -gl.text.getTextWidth = function(text, font) { - /** - * Uses canvas.measureText to compute and return the width of the given text of given font in pixels. - * - * @param {String} text The text to be rendered. - * @param {String} font The css font descriptor that text is to be rendered with (e.g. "bold 14px verdana"). - * - * @see http://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393 - */ - // re-use canvas object for better performance - var canvas = gl.text.getTextWidth.canvas || (gl.text.getTextWidth.canvas = document.createElement('canvas')); - var context = canvas.getContext('2d'); - context.font = font; - return context.measureText(text).width; -}; -gl.text.selectedText = function(text, textarea) { - return text.substring(textarea.selectionStart, textarea.selectionEnd); -}; -gl.text.lineBefore = function(text, textarea) { - var split; - split = text.substring(0, textarea.selectionStart).trim().split('\n'); - return split[split.length - 1]; -}; -gl.text.lineAfter = function(text, textarea) { - return text.substring(textarea.selectionEnd).trim().split('\n')[0]; -}; -gl.text.blockTagText = function(text, textArea, blockTag, selected) { - var lineAfter, lineBefore; - lineBefore = this.lineBefore(text, textArea); - lineAfter = this.lineAfter(text, textArea); - if (lineBefore === blockTag && lineAfter === blockTag) { - // To remove the block tag we have to select the line before & after - if (blockTag != null) { - textArea.selectionStart = textArea.selectionStart - (blockTag.length + 1); - textArea.selectionEnd = textArea.selectionEnd + (blockTag.length + 1); - } - return selected; - } else { - return blockTag + "\n" + selected + "\n" + blockTag; - } -}; -gl.text.insertText = function(textArea, text, tag, blockTag, selected, wrap) { - var insertText, inserted, selectedSplit, startChar, removedLastNewLine, removedFirstNewLine, currentLineEmpty, lastNewLine; - removedLastNewLine = false; - removedFirstNewLine = false; - currentLineEmpty = false; - - // Remove the first newline - if (selected.indexOf('\n') === 0) { - removedFirstNewLine = true; - selected = selected.replace(/\n+/, ''); - } - - // Remove the last newline - if (textArea.selectionEnd - textArea.selectionStart > selected.replace(/\n$/, '').length) { - removedLastNewLine = true; - selected = selected.replace(/\n$/, ''); - } - - selectedSplit = selected.split('\n'); +/** + * Converts first char to uppercase and replaces undercores with spaces + * @param {String} string + * @requires {String} + */ +export const humanize = string => string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1); - if (!wrap) { - lastNewLine = textArea.value.substr(0, textArea.selectionStart).lastIndexOf('\n'); +/** + * Adds an 's' to the end of the string when count is bigger than 0 + * @param {String} str + * @param {Number} count + * @returns {String} + */ +export const pluralize = (str, count) => str + (count > 1 || count === 0 ? 's' : ''); - // Check whether the current line is empty or consists only of spaces(=handle as empty) - if (/^\s*$/.test(textArea.value.substring(lastNewLine, textArea.selectionStart))) { - currentLineEmpty = true; - } - } +/** + * Replaces underscores with dashes + * @param {*} str + * @returns {String} + */ +export const dasherize = str => str.replace(/[_\s]+/g, '-'); - startChar = !wrap && !currentLineEmpty && textArea.selectionStart > 0 ? '\n' : ''; +/** + * Removes accents and converts to lower case + * @param {String} str + * @returns {String} + */ +export const slugify = str => str.trim().toLowerCase(); - if (selectedSplit.length > 1 && (!wrap || (blockTag != null && blockTag !== ''))) { - if (blockTag != null && blockTag !== '') { - insertText = this.blockTagText(text, textArea, blockTag, selected); - } else { - insertText = selectedSplit.map(function(val) { - if (val.indexOf(tag) === 0) { - return "" + (val.replace(tag, '')); - } else { - return "" + tag + val; - } - }).join('\n'); - } - } else { - insertText = "" + startChar + tag + selected + (wrap ? tag : ' '); - } +/** + * Truncates given text + * + * @param {String} string + * @param {Number} maxLength + * @returns {String} + */ +export const truncate = (string, maxLength) => `${string.substr(0, (maxLength - 3))}...`; - if (removedFirstNewLine) { - insertText = '\n' + insertText; - } - - if (removedLastNewLine) { - insertText += '\n'; - } - - if (document.queryCommandSupported('insertText')) { - inserted = document.execCommand('insertText', false, insertText); - } - if (!inserted) { - try { - document.execCommand("ms-beginUndoUnit"); - } catch (error) {} - textArea.value = this.replaceRange(text, textArea.selectionStart, textArea.selectionEnd, insertText); - try { - document.execCommand("ms-endUndoUnit"); - } catch (error) {} - } - return this.moveCursor(textArea, tag, wrap, removedLastNewLine); -}; -gl.text.moveCursor = function(textArea, tag, wrapped, removedLastNewLine) { - var pos; - if (!textArea.setSelectionRange) { - return; - } - if (textArea.selectionStart === textArea.selectionEnd) { - if (wrapped) { - pos = textArea.selectionStart - tag.length; - } else { - pos = textArea.selectionStart; - } - - if (removedLastNewLine) { - pos -= 1; - } - - return textArea.setSelectionRange(pos, pos); - } -}; -gl.text.updateText = function(textArea, tag, blockTag, wrap) { - var $textArea, selected, text; - $textArea = $(textArea); - textArea = $textArea.get(0); - text = $textArea.val(); - selected = this.selectedText(text, textArea); - $textArea.focus(); - return this.insertText(textArea, text, tag, blockTag, selected, wrap); -}; -gl.text.init = function(form) { - var self; - self = this; - return $('.js-md', form).off('click').on('click', function() { - var $this; - $this = $(this); - return self.updateText($this.closest('.md-area').find('textarea'), $this.data('md-tag'), $this.data('md-block'), !$this.data('md-prepend')); - }); -}; -gl.text.removeListeners = function(form) { - return $('.js-md', form).off('click'); -}; -gl.text.humanize = function(string) { - return string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1); -}; -gl.text.pluralize = function(str, count) { - return str + (count > 1 || count === 0 ? 's' : ''); -}; -gl.text.truncate = function(string, maxLength) { - return string.substr(0, (maxLength - 3)) + '...'; -}; -gl.text.dasherize = function(str) { - return str.replace(/[_\s]+/g, '-'); -}; -gl.text.slugify = function(str) { - return str.trim().toLowerCase().latinise(); -}; +/** + * Capitalizes first character + * + * @param {String} text + * @return {String} + */ +export function capitalizeFirstCharacter(text) { + return `${text[0].toUpperCase()}${text.slice(1)}`; +} |