diff options
Diffstat (limited to 'app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js')
-rw-r--r-- | app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js b/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js index f31716d4c07..aa522e20c36 100644 --- a/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js +++ b/app/assets/javascripts/behaviors/gl_emoji/unicode_support_map.js @@ -68,7 +68,7 @@ const chromeVersion = chromeMatches && chromeMatches[1] && parseInt(chromeMatche // See 32px, https://i.imgur.com/htY6Zym.png // See 16px, https://i.imgur.com/FPPsIF8.png const fontSize = 16; -function testUnicodeSupportMap(testMap) { +function generateUnicodeSupportMap(testMap) { const testMapKeys = Object.keys(testMap); const numTestEntries = testMapKeys .reduce((list, testKey) => list.concat(testMap[testKey]), []).length; @@ -138,17 +138,24 @@ function testUnicodeSupportMap(testMap) { return resultMap; } -let unicodeSupportMap; -const userAgentFromCache = window.localStorage.getItem('gl-emoji-user-agent'); -try { - unicodeSupportMap = JSON.parse(window.localStorage.getItem('gl-emoji-unicode-support-map')); -} catch (err) { - // swallow -} -if (!unicodeSupportMap || userAgentFromCache !== navigator.userAgent) { - unicodeSupportMap = testUnicodeSupportMap(unicodeSupportTestMap); - window.localStorage.setItem('gl-emoji-user-agent', navigator.userAgent); - window.localStorage.setItem('gl-emoji-unicode-support-map', JSON.stringify(unicodeSupportMap)); +function getUnicodeSupportMap() { + let unicodeSupportMap; + const userAgentFromCache = window.localStorage.getItem('gl-emoji-user-agent'); + try { + unicodeSupportMap = JSON.parse(window.localStorage.getItem('gl-emoji-unicode-support-map')); + } catch (err) { + // swallow + } + if (!unicodeSupportMap || userAgentFromCache !== navigator.userAgent) { + unicodeSupportMap = generateUnicodeSupportMap(unicodeSupportTestMap); + window.localStorage.setItem('gl-emoji-user-agent', navigator.userAgent); + window.localStorage.setItem('gl-emoji-unicode-support-map', JSON.stringify(unicodeSupportMap)); + } + + return unicodeSupportMap; } -module.exports = unicodeSupportMap; +export { + getUnicodeSupportMap, + generateUnicodeSupportMap, +}; |