"use strict"; const assert = require("node:assert/strict"); const {zrequire} = require("./lib/namespace"); const {run_test} = require("./lib/test"); const $ = require("./lib/zjquery"); const rtl = zrequire("rtl"); run_test("get_direction", () => { // These characters are strong R or AL: ا ب پ ج ض و د ؛ // These characters are not strong: ۱ ۲ ۳ ۴ ۵ ۶ ۷ ۸ ۹ ۰ assert.equal(rtl.get_direction("abcابپ"), "ltr"); assert.equal(rtl.get_direction("ابپabc"), "rtl"); assert.equal(rtl.get_direction("123abc"), "ltr"); assert.equal(rtl.get_direction("۱۲۳abc"), "ltr"); assert.equal(rtl.get_direction("123؛بپ"), "rtl"); assert.equal(rtl.get_direction("۱۲۳ابپ"), "rtl"); assert.equal(rtl.get_direction("۱۲جg"), "rtl"); assert.equal(rtl.get_direction("12gج"), "ltr"); assert.equal(rtl.get_direction("۱۲۳"), "ltr"); assert.equal(rtl.get_direction("1234"), "ltr"); const supp_plane_ltr_char = "\uD800\uDFA0"; const supp_plane_rtl_char = "\uD802\uDC40"; assert.equal(rtl.get_direction(supp_plane_ltr_char), "ltr"); assert.equal(rtl.get_direction(supp_plane_rtl_char), "rtl"); assert.equal(rtl.get_direction("123" + supp_plane_ltr_char), "ltr"); assert.equal(rtl.get_direction("123" + supp_plane_rtl_char), "rtl"); assert.equal(rtl.get_direction(supp_plane_ltr_char + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction(supp_plane_rtl_char + supp_plane_ltr_char), "rtl"); assert.equal(rtl.get_direction(supp_plane_ltr_char + " " + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction(supp_plane_rtl_char + " " + supp_plane_ltr_char), "rtl"); assert.equal(rtl.get_direction(supp_plane_ltr_char + "ج" + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction(supp_plane_rtl_char + "ج" + supp_plane_ltr_char), "rtl"); assert.equal(rtl.get_direction("پ" + supp_plane_ltr_char + "." + supp_plane_rtl_char), "rtl"); assert.equal(rtl.get_direction("پ" + supp_plane_rtl_char + "." + supp_plane_ltr_char), "rtl"); assert.equal(rtl.get_direction("b" + supp_plane_ltr_char + "." + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction("b" + supp_plane_rtl_char + "." + supp_plane_ltr_char), "ltr"); const unmatched_surrogate_1 = "\uD800"; const unmatched_surrogate_2 = "\uDF00"; assert.equal(rtl.get_direction(unmatched_surrogate_1 + " "), "ltr"); assert.equal(rtl.get_direction(unmatched_surrogate_2 + " "), "ltr"); assert.equal(rtl.get_direction(" " + unmatched_surrogate_1), "ltr"); assert.equal(rtl.get_direction(" " + unmatched_surrogate_2), "ltr"); assert.equal(rtl.get_direction(" " + unmatched_surrogate_1 + " "), "ltr"); assert.equal(rtl.get_direction(" " + unmatched_surrogate_2 + " "), "ltr"); assert.equal(rtl.get_direction(unmatched_surrogate_1 + supp_plane_ltr_char), "ltr"); assert.equal(rtl.get_direction(unmatched_surrogate_1 + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction(unmatched_surrogate_2 + supp_plane_ltr_char), "ltr"); assert.equal(rtl.get_direction(unmatched_surrogate_2 + supp_plane_rtl_char), "ltr"); assert.equal(rtl.get_direction(supp_plane_ltr_char + unmatched_surrogate_1), "ltr"); assert.equal(rtl.get_direction(supp_plane_ltr_char + unmatched_surrogate_2), "ltr"); assert.equal(rtl.get_direction(supp_plane_rtl_char + unmatched_surrogate_1), "rtl"); assert.equal(rtl.get_direction(supp_plane_rtl_char + unmatched_surrogate_2), "rtl"); // Testing with some isolate initiators and PDIs. const i_chars = "\u2066\u2067\u2068"; const pdi = "\u2069"; assert.equal(rtl.get_direction("aa" + i_chars.charAt(0) + "bb" + pdi + "cc"), "ltr"); assert.equal(rtl.get_direction("دد" + i_chars.charAt(0) + "bb" + pdi + "cc"), "rtl"); assert.equal(rtl.get_direction("12" + i_chars.charAt(0) + "bb" + pdi + "جج"), "rtl"); assert.equal(rtl.get_direction("۱۲" + i_chars.charAt(0) + "جج" + pdi + "cc"), "ltr"); assert.equal(rtl.get_direction("aa" + i_chars.charAt(0) + "ج؛ج"), "ltr"); assert.equal(rtl.get_direction("12" + i_chars.charAt(0) + "ج؛ج"), "ltr"); assert.equal(rtl.get_direction("۱۲" + i_chars.charAt(0) + "aaa"), "ltr"); assert.equal( rtl.get_direction( ",," + i_chars.charAt(0) + "bb" + i_chars.charAt(0) + "جج" + pdi + "ضض" + pdi + "..", ), "ltr", ); assert.equal( rtl.get_direction( ",," + i_chars.charAt(0) + "bb" + i_chars.charAt(0) + "جج" + pdi + "ضض" + pdi + "وو", ), "rtl", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(0) + "bb" + pdi + "33" + pdi + ".."), "ltr", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(0) + "bb" + pdi + "12" + pdi + "وو"), "rtl", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(0) + "ضج" + pdi + "12" + pdi + "ff"), "ltr", ); assert.equal(rtl.get_direction("aa" + i_chars.charAt(1) + "bb" + pdi + "cc"), "ltr"); assert.equal(rtl.get_direction("دد" + i_chars.charAt(2) + "bb" + pdi + "cc"), "rtl"); assert.equal(rtl.get_direction("12" + i_chars.charAt(1) + "bb" + pdi + "جج"), "rtl"); assert.equal(rtl.get_direction("۱۲" + i_chars.charAt(2) + "جج" + pdi + "cc"), "ltr"); assert.equal(rtl.get_direction("aa" + i_chars.charAt(1) + "ججج"), "ltr"); assert.equal(rtl.get_direction("12" + i_chars.charAt(2) + "ججج"), "ltr"); assert.equal(rtl.get_direction("۱۲" + i_chars.charAt(1) + "aaa"), "ltr"); assert.equal( rtl.get_direction( ",," + i_chars.charAt(1) + "bb" + i_chars.charAt(2) + "جج" + pdi + "ضض" + pdi + "..", ), "ltr", ); assert.equal( rtl.get_direction( ",," + i_chars.charAt(2) + "bb" + i_chars.charAt(1) + "؛ج" + pdi + "ضض" + pdi + "وو", ), "rtl", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(1) + "bb" + pdi + "33" + pdi + ".."), "ltr", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(2) + "bb" + pdi + "12" + pdi + "وو"), "rtl", ); assert.equal( rtl.get_direction(",," + i_chars.charAt(1) + "ضج" + pdi + "12" + pdi + "ff"), "ltr", ); }); run_test("set_rtl_class_for_textarea rtl", () => { const $textarea = $.create("some-textarea"); assert.ok(!$textarea.hasClass("rtl")); const text = "```quote\nمرحبا"; $textarea.val(text); rtl.set_rtl_class_for_textarea($textarea); assert.ok($textarea.hasClass("rtl")); }); run_test("set_rtl_class_for_textarea ltr", () => { const $textarea = $.create("some-textarea"); $textarea.addClass("rtl"); assert.ok($textarea.hasClass("rtl")); const text = "```quote\nEnglish text"; $textarea.val(text); rtl.set_rtl_class_for_textarea($textarea); assert.ok(!$textarea.hasClass("rtl")); });