From bc4fa6b198557a7f3989eb0865e2c77ac7451d29 Mon Sep 17 00:00:00 2001 From: kibigo! Date: Sun, 3 Dec 2017 23:26:40 -0800 Subject: Rename themes -> flavours ? ? --- app/javascript/flavours/glitch/util/rtl.js | 31 ++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 app/javascript/flavours/glitch/util/rtl.js (limited to 'app/javascript/flavours/glitch/util/rtl.js') diff --git a/app/javascript/flavours/glitch/util/rtl.js b/app/javascript/flavours/glitch/util/rtl.js new file mode 100644 index 000000000..00870a15d --- /dev/null +++ b/app/javascript/flavours/glitch/util/rtl.js @@ -0,0 +1,31 @@ +// U+0590 to U+05FF - Hebrew +// U+0600 to U+06FF - Arabic +// U+0700 to U+074F - Syriac +// U+0750 to U+077F - Arabic Supplement +// U+0780 to U+07BF - Thaana +// U+07C0 to U+07FF - N'Ko +// U+0800 to U+083F - Samaritan +// U+08A0 to U+08FF - Arabic Extended-A +// U+FB1D to U+FB4F - Hebrew presentation forms +// U+FB50 to U+FDFF - Arabic presentation forms A +// U+FE70 to U+FEFF - Arabic presentation forms B + +const rtlChars = /[\u0590-\u083F]|[\u08A0-\u08FF]|[\uFB1D-\uFDFF]|[\uFE70-\uFEFF]/mg; + +export function isRtl(text) { + if (text.length === 0) { + return false; + } + + text = text.replace(/(?:^|[^\/\w])@([a-z0-9_]+(@[a-z0-9\.\-]+)?)/ig, ''); + text = text.replace(/(?:^|[^\/\w])#([\S]+)/ig, ''); + text = text.replace(/\s+/g, ''); + + const matches = text.match(rtlChars); + + if (!matches) { + return false; + } + + return matches.length / text.length > 0.3; +}; -- cgit