diff options
Diffstat (limited to 'app/javascript/flavours/glitch/utils')
18 files changed, 534 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/utils/backend_links.js b/app/javascript/flavours/glitch/utils/backend_links.js new file mode 100644 index 000000000..2028a1e60 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/backend_links.js @@ -0,0 +1,18 @@ +export const preferencesLink = '/settings/preferences'; +export const profileLink = '/settings/profile'; +export const signOutLink = '/auth/sign_out'; +export const privacyPolicyLink = '/privacy-policy'; +export const accountAdminLink = (id) => `/admin/accounts/${id}`; +export const statusAdminLink = (account_id, status_id) => `/admin/accounts/${account_id}/statuses/${status_id}`; +export const filterEditLink = (id) => `/filters/${id}/edit`; +export const relationshipsLink = '/relationships'; +export const securityLink = '/auth/edit'; +export const preferenceLink = (setting_name) => { + switch (setting_name) { + case 'user_setting_expand_spoilers': + case 'user_setting_disable_swiping': + return `/settings/preferences/appearance#${setting_name}`; + default: + return preferencesLink; + } +}; diff --git a/app/javascript/flavours/glitch/utils/base64.js b/app/javascript/flavours/glitch/utils/base64.js new file mode 100644 index 000000000..8226e2c54 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/base64.js @@ -0,0 +1,10 @@ +export const decode = base64 => { + const rawData = window.atob(base64); + const outputArray = new Uint8Array(rawData.length); + + for (let i = 0; i < rawData.length; ++i) { + outputArray[i] = rawData.charCodeAt(i); + } + + return outputArray; +}; diff --git a/app/javascript/flavours/glitch/utils/config.js b/app/javascript/flavours/glitch/utils/config.js new file mode 100644 index 000000000..932cd0cbf --- /dev/null +++ b/app/javascript/flavours/glitch/utils/config.js @@ -0,0 +1,10 @@ +import ready from '../ready'; + +export let assetHost = ''; + +ready(() => { + const cdnHost = document.querySelector('meta[name=cdn-host]'); + if (cdnHost) { + assetHost = cdnHost.content || ''; + } +}); diff --git a/app/javascript/flavours/glitch/utils/content_warning.js b/app/javascript/flavours/glitch/utils/content_warning.js new file mode 100644 index 000000000..91d452baa --- /dev/null +++ b/app/javascript/flavours/glitch/utils/content_warning.js @@ -0,0 +1,31 @@ +import { expandSpoilers } from 'flavours/glitch/initial_state'; + +function _autoUnfoldCW(spoiler_text, skip_unfold_regex) { + if (!expandSpoilers) + return false; + + if (!skip_unfold_regex) + return true; + + let regex = null; + + try { + regex = new RegExp(skip_unfold_regex.trim(), 'i'); + } catch (e) { + // Bad regex, skip filters + return true; + } + + return !regex.test(spoiler_text); +} + +export function autoHideCW(settings, spoiler_text) { + return !_autoUnfoldCW(spoiler_text, settings.getIn(['content_warnings', 'filter'])); +} + +export function autoUnfoldCW(settings, status) { + if (!status) + return false; + + return _autoUnfoldCW(status.get('spoiler_text'), settings.getIn(['content_warnings', 'filter'])); +} diff --git a/app/javascript/flavours/glitch/utils/dom_helpers.js b/app/javascript/flavours/glitch/utils/dom_helpers.js new file mode 100644 index 000000000..d94aeb9d4 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/dom_helpers.js @@ -0,0 +1,14 @@ +// Package imports. +import { supportsPassiveEvents } from 'detect-passive-events'; + +// This will either be a passive lister options object (if passive +// events are supported), or `false`. +export const withPassive = supportsPassiveEvents ? { passive: true } : false; + +// Focuses the root element. +export function focusRoot () { + let e; + if (document && (e = document.querySelector('.ui')) && (e = e.parentElement)) { + e.focus(); + } +} diff --git a/app/javascript/flavours/glitch/utils/filters.js b/app/javascript/flavours/glitch/utils/filters.js new file mode 100644 index 000000000..97b433a99 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/filters.js @@ -0,0 +1,16 @@ +export const toServerSideType = columnType => { + switch (columnType) { + case 'home': + case 'notifications': + case 'public': + case 'thread': + case 'account': + return columnType; + default: + if (columnType.indexOf('list:') > -1) { + return 'home'; + } else { + return 'public'; // community, account, hashtag + } + } +}; diff --git a/app/javascript/flavours/glitch/utils/hashtag.js b/app/javascript/flavours/glitch/utils/hashtag.js new file mode 100644 index 000000000..8f5665c46 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/hashtag.js @@ -0,0 +1,8 @@ +export function recoverHashtags (recognizedTags, text) { + return recognizedTags.map(tag => { + const re = new RegExp(`(?:^|[^\/)\w])#(${tag.name})`, 'i'); + const matched_hashtag = text.match(re); + return matched_hashtag ? matched_hashtag[1] : null; + }, + ).filter(x => x !== null); +} diff --git a/app/javascript/flavours/glitch/utils/html.js b/app/javascript/flavours/glitch/utils/html.js new file mode 100644 index 000000000..5159df9db --- /dev/null +++ b/app/javascript/flavours/glitch/utils/html.js @@ -0,0 +1,5 @@ +export const unescapeHTML = (html) => { + const wrapper = document.createElement('div'); + wrapper.innerHTML = html.replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n').replace(/<[^>]*>/g, ''); + return wrapper.textContent; +}; diff --git a/app/javascript/flavours/glitch/utils/icons.js b/app/javascript/flavours/glitch/utils/icons.js new file mode 100644 index 000000000..c3e362e39 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/icons.js @@ -0,0 +1,15 @@ +import React from 'react'; + +// Copied from emoji-mart for consistency with emoji picker and since +// they don't export the icons in the package +export const loupeIcon = ( + <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'> + <path d='M12.9 14.32a8 8 0 1 1 1.41-1.41l5.35 5.33-1.42 1.42-5.33-5.34zM8 14A6 6 0 1 0 8 2a6 6 0 0 0 0 12z' /> + </svg> +); + +export const deleteIcon = ( + <svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' width='13' height='13'> + <path d='M10 8.586L2.929 1.515 1.515 2.929 8.586 10l-7.071 7.071 1.414 1.414L10 11.414l7.071 7.071 1.414-1.414L11.414 10l7.071-7.071-1.414-1.414L10 8.586z' /> + </svg> +); diff --git a/app/javascript/flavours/glitch/utils/idna.js b/app/javascript/flavours/glitch/utils/idna.js new file mode 100644 index 000000000..efab5bacf --- /dev/null +++ b/app/javascript/flavours/glitch/utils/idna.js @@ -0,0 +1,10 @@ +import punycode from 'punycode'; + +const IDNA_PREFIX = 'xn--'; + +export const decode = domain => { + return domain + .split('.') + .map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part) + .join('.'); +}; diff --git a/app/javascript/flavours/glitch/utils/js_helpers.js b/app/javascript/flavours/glitch/utils/js_helpers.js new file mode 100644 index 000000000..2ebd5b6c5 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/js_helpers.js @@ -0,0 +1,5 @@ +// This function returns the new value unless it is `null` or +// `undefined`, in which case it returns the old one. +export function overwrite (oldVal, newVal) { + return newVal === null || typeof newVal === 'undefined' ? oldVal : newVal; +} diff --git a/app/javascript/flavours/glitch/utils/log_out.js b/app/javascript/flavours/glitch/utils/log_out.js new file mode 100644 index 000000000..f82041150 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/log_out.js @@ -0,0 +1,34 @@ +import Rails from '@rails/ujs'; +import { signOutLink } from 'flavours/glitch/utils/backend_links'; + +export const logOut = () => { + const form = document.createElement('form'); + + const methodInput = document.createElement('input'); + methodInput.setAttribute('name', '_method'); + methodInput.setAttribute('value', 'delete'); + methodInput.setAttribute('type', 'hidden'); + form.appendChild(methodInput); + + const csrfToken = Rails.csrfToken(); + const csrfParam = Rails.csrfParam(); + + if (csrfParam && csrfToken) { + const csrfInput = document.createElement('input'); + csrfInput.setAttribute('name', csrfParam); + csrfInput.setAttribute('value', csrfToken); + csrfInput.setAttribute('type', 'hidden'); + form.appendChild(csrfInput); + } + + const submitButton = document.createElement('input'); + submitButton.setAttribute('type', 'submit'); + form.appendChild(submitButton); + + form.method = 'post'; + form.action = signOutLink; + form.style.display = 'none'; + + document.body.appendChild(form); + submitButton.click(); +}; diff --git a/app/javascript/flavours/glitch/utils/notifications.js b/app/javascript/flavours/glitch/utils/notifications.js new file mode 100644 index 000000000..7634cac21 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/notifications.js @@ -0,0 +1,30 @@ +// Handles browser quirks, based on +// https://developer.mozilla.org/en-US/docs/Web/API/Notifications_API/Using_the_Notifications_API + +const checkNotificationPromise = () => { + try { + // eslint-disable-next-line promise/catch-or-return + Notification.requestPermission().then(); + } catch(e) { + return false; + } + + return true; +}; + +const handlePermission = (permission, callback) => { + // Whatever the user answers, we make sure Chrome stores the information + if(!('permission' in Notification)) { + Notification.permission = permission; + } + + callback(Notification.permission); +}; + +export const requestNotificationPermission = (callback) => { + if (checkNotificationPromise()) { + Notification.requestPermission().then((permission) => handlePermission(permission, callback)).catch(console.warn); + } else { + Notification.requestPermission((permission) => handlePermission(permission, callback)); + } +}; diff --git a/app/javascript/flavours/glitch/utils/numbers.js b/app/javascript/flavours/glitch/utils/numbers.js new file mode 100644 index 000000000..6ef563ad8 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/numbers.js @@ -0,0 +1,79 @@ +// @ts-check + +export const DECIMAL_UNITS = Object.freeze({ + ONE: 1, + TEN: 10, + HUNDRED: Math.pow(10, 2), + THOUSAND: Math.pow(10, 3), + MILLION: Math.pow(10, 6), + BILLION: Math.pow(10, 9), + TRILLION: Math.pow(10, 12), +}); + +const TEN_THOUSAND = DECIMAL_UNITS.THOUSAND * 10; +const TEN_MILLIONS = DECIMAL_UNITS.MILLION * 10; + +/** + * @typedef {[number, number, number]} ShortNumber + * Array of: shorten number, unit of shorten number and maximum fraction digits + */ + +/** + * @param {number} sourceNumber Number to convert to short number + * @returns {ShortNumber} Calculated short number + * @example + * shortNumber(5936); + * // => [5.936, 1000, 1] + */ +export function toShortNumber(sourceNumber) { + if (sourceNumber < DECIMAL_UNITS.THOUSAND) { + return [sourceNumber, DECIMAL_UNITS.ONE, 0]; + } else if (sourceNumber < DECIMAL_UNITS.MILLION) { + return [ + sourceNumber / DECIMAL_UNITS.THOUSAND, + DECIMAL_UNITS.THOUSAND, + sourceNumber < TEN_THOUSAND ? 1 : 0, + ]; + } else if (sourceNumber < DECIMAL_UNITS.BILLION) { + return [ + sourceNumber / DECIMAL_UNITS.MILLION, + DECIMAL_UNITS.MILLION, + sourceNumber < TEN_MILLIONS ? 1 : 0, + ]; + } else if (sourceNumber < DECIMAL_UNITS.TRILLION) { + return [ + sourceNumber / DECIMAL_UNITS.BILLION, + DECIMAL_UNITS.BILLION, + 0, + ]; + } + + return [sourceNumber, DECIMAL_UNITS.ONE, 0]; +} + +/** + * @param {number} sourceNumber Original number that is shortened + * @param {number} division The scale in which short number is displayed + * @returns {number} Number that can be used for plurals when short form used + * @example + * pluralReady(1793, DECIMAL_UNITS.THOUSAND) + * // => 1790 + */ +export function pluralReady(sourceNumber, division) { + // eslint-disable-next-line eqeqeq + if (division == null || division < DECIMAL_UNITS.HUNDRED) { + return sourceNumber; + } + + let closestScale = division / DECIMAL_UNITS.TEN; + + return Math.trunc(sourceNumber / closestScale) * closestScale; +} + +/** + * @param {number} num + * @returns {number} + */ +export function roundTo10(num) { + return Math.round(num * 0.1) / 0.1; +} diff --git a/app/javascript/flavours/glitch/utils/privacy_preference.js b/app/javascript/flavours/glitch/utils/privacy_preference.js new file mode 100644 index 000000000..51bdf072d --- /dev/null +++ b/app/javascript/flavours/glitch/utils/privacy_preference.js @@ -0,0 +1,5 @@ +export const order = ['public', 'unlisted', 'private', 'direct']; + +export function privacyPreference (a, b) { + return order[Math.max(order.indexOf(a), order.indexOf(b), 0)]; +} diff --git a/app/javascript/flavours/glitch/utils/react_helpers.js b/app/javascript/flavours/glitch/utils/react_helpers.js new file mode 100644 index 000000000..ea11acdb6 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/react_helpers.js @@ -0,0 +1,21 @@ +// This function binds the given `handlers` to the `target`. +export function assignHandlers (target, handlers) { + if (!target || !handlers) { + return; + } + + // We just bind each handler to the `target`. + const handle = target.handlers = {}; + Object.keys(handlers).forEach( + key => handle[key] = handlers[key].bind(target), + ); +} + +// This function only returns the component if the result of calling +// `test` with `data` is `true`. Useful with funciton binding. +export function conditionalRender (test, data, component) { + return test(data) ? component : null; +} + +// This object provides props to make the component not visible. +export const hiddenComponent = { style: { display: 'none' } }; diff --git a/app/javascript/flavours/glitch/utils/resize_image.js b/app/javascript/flavours/glitch/utils/resize_image.js new file mode 100644 index 000000000..fb8c3c11e --- /dev/null +++ b/app/javascript/flavours/glitch/utils/resize_image.js @@ -0,0 +1,189 @@ +import EXIF from 'exif-js'; + +const MAX_IMAGE_PIXELS = 2073600; // 1920x1080px + +const _browser_quirks = {}; + +// Some browsers will automatically draw images respecting their EXIF orientation +// while others won't, and the safest way to detect that is to examine how it +// is done on a known image. +// See https://github.com/w3c/csswg-drafts/issues/4666 +// and https://github.com/blueimp/JavaScript-Load-Image/commit/1e4df707821a0afcc11ea0720ee403b8759f3881 +const dropOrientationIfNeeded = (orientation) => new Promise(resolve => { + switch (_browser_quirks['image-orientation-automatic']) { + case true: + resolve(1); + break; + case false: + resolve(orientation); + break; + default: + // black 2x1 JPEG, with the following meta information set: + // - EXIF Orientation: 6 (Rotated 90° CCW) + const testImageURL = + 'data:image/jpeg;base64,/9j/4QAiRXhpZgAATU0AKgAAAAgAAQESAAMAAAABAAYAAAA' + + 'AAAD/2wCEAAEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBA' + + 'QEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQE' + + 'BAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAf/AABEIAAEAAgMBEQACEQEDEQH/x' + + 'ABKAAEAAAAAAAAAAAAAAAAAAAALEAEAAAAAAAAAAAAAAAAAAAAAAQEAAAAAAAAAAAAAAAA' + + 'AAAAAEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwA/8H//2Q=='; + const img = new Image(); + img.onload = () => { + const automatic = (img.width === 1 && img.height === 2); + _browser_quirks['image-orientation-automatic'] = automatic; + resolve(automatic ? 1 : orientation); + }; + img.onerror = () => { + _browser_quirks['image-orientation-automatic'] = false; + resolve(orientation); + }; + img.src = testImageURL; + } +}); + +// Some browsers don't allow reading from a canvas and instead return all-white +// or randomized data. Use a pre-defined image to check if reading the canvas +// works. +const checkCanvasReliability = () => new Promise((resolve, reject) => { + switch(_browser_quirks['canvas-read-unreliable']) { + case true: + reject('Canvas reading unreliable'); + break; + case false: + resolve(); + break; + default: + // 2×2 GIF with white, red, green and blue pixels + const testImageURL = + 'data:image/gif;base64,R0lGODdhAgACAKEDAAAA//8AAAD/AP///ywAAAAAAgACAAACA1wEBQA7'; + const refData = + [255, 255, 255, 255, 255, 0, 0, 255, 0, 255, 0, 255, 0, 0, 255, 255]; + const img = new Image(); + img.onload = () => { + const canvas = document.createElement('canvas'); + const context = canvas.getContext('2d'); + context.drawImage(img, 0, 0, 2, 2); + const imageData = context.getImageData(0, 0, 2, 2); + if (imageData.data.every((x, i) => refData[i] === x)) { + _browser_quirks['canvas-read-unreliable'] = false; + resolve(); + } else { + _browser_quirks['canvas-read-unreliable'] = true; + reject('Canvas reading unreliable'); + } + }; + img.onerror = () => { + _browser_quirks['canvas-read-unreliable'] = true; + reject('Failed to load test image'); + }; + img.src = testImageURL; + } +}); + +const getImageUrl = inputFile => new Promise((resolve, reject) => { + if (window.URL && URL.createObjectURL) { + try { + resolve(URL.createObjectURL(inputFile)); + } catch (error) { + reject(error); + } + return; + } + + const reader = new FileReader(); + reader.onerror = (...args) => reject(...args); + reader.onload = ({ target }) => resolve(target.result); + + reader.readAsDataURL(inputFile); +}); + +const loadImage = inputFile => new Promise((resolve, reject) => { + getImageUrl(inputFile).then(url => { + const img = new Image(); + + img.onerror = (...args) => reject(...args); + img.onload = () => resolve(img); + + img.src = url; + }).catch(reject); +}); + +const getOrientation = (img, type = 'image/png') => new Promise(resolve => { + if (!['image/jpeg', 'image/webp'].includes(type)) { + resolve(1); + return; + } + + EXIF.getData(img, () => { + const orientation = EXIF.getTag(img, 'Orientation'); + if (orientation !== 1) { + dropOrientationIfNeeded(orientation).then(resolve).catch(() => resolve(orientation)); + } else { + resolve(orientation); + } + }); +}); + +const processImage = (img, { width, height, orientation, type = 'image/png' }) => new Promise(resolve => { + const canvas = document.createElement('canvas'); + + if (4 < orientation && orientation < 9) { + canvas.width = height; + canvas.height = width; + } else { + canvas.width = width; + canvas.height = height; + } + + const context = canvas.getContext('2d'); + + switch (orientation) { + case 2: context.transform(-1, 0, 0, 1, width, 0); break; + case 3: context.transform(-1, 0, 0, -1, width, height); break; + case 4: context.transform(1, 0, 0, -1, 0, height); break; + case 5: context.transform(0, 1, 1, 0, 0, 0); break; + case 6: context.transform(0, 1, -1, 0, height, 0); break; + case 7: context.transform(0, -1, -1, 0, height, width); break; + case 8: context.transform(0, -1, 1, 0, 0, width); break; + } + + context.drawImage(img, 0, 0, width, height); + + canvas.toBlob(resolve, type); +}); + +const resizeImage = (img, type = 'image/png') => new Promise((resolve, reject) => { + const { width, height } = img; + + const newWidth = Math.round(Math.sqrt(MAX_IMAGE_PIXELS * (width / height))); + const newHeight = Math.round(Math.sqrt(MAX_IMAGE_PIXELS * (height / width))); + + checkCanvasReliability() + .then(getOrientation(img, type)) + .then(orientation => processImage(img, { + width: newWidth, + height: newHeight, + orientation, + type, + })) + .then(resolve) + .catch(reject); +}); + +export default inputFile => new Promise((resolve) => { + if (!inputFile.type.match(/image.*/) || inputFile.type === 'image/gif') { + resolve(inputFile); + return; + } + + loadImage(inputFile).then(img => { + if (img.width * img.height < MAX_IMAGE_PIXELS) { + resolve(inputFile); + return; + } + + resizeImage(img, inputFile.type) + .then(resolve) + .catch(() => resolve(inputFile)); + }).catch(() => resolve(inputFile)); +}); diff --git a/app/javascript/flavours/glitch/utils/scrollbar.js b/app/javascript/flavours/glitch/utils/scrollbar.js new file mode 100644 index 000000000..929b036d6 --- /dev/null +++ b/app/javascript/flavours/glitch/utils/scrollbar.js @@ -0,0 +1,34 @@ +/** @type {number | null} */ +let cachedScrollbarWidth = null; + +/** + * @return {number} + */ +const getActualScrollbarWidth = () => { + const outer = document.createElement('div'); + outer.style.visibility = 'hidden'; + outer.style.overflow = 'scroll'; + document.body.appendChild(outer); + + const inner = document.createElement('div'); + outer.appendChild(inner); + + const scrollbarWidth = outer.offsetWidth - inner.offsetWidth; + outer.parentNode.removeChild(outer); + + return scrollbarWidth; +}; + +/** + * @return {number} + */ +export const getScrollbarWidth = () => { + if (cachedScrollbarWidth !== null) { + return cachedScrollbarWidth; + } + + const scrollbarWidth = getActualScrollbarWidth(); + cachedScrollbarWidth = scrollbarWidth; + + return scrollbarWidth; +}; |