1 | /**
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2 | * Sutton SignWriting Unicode 8 Module v1.1.2 (https://github.com/sutton-signwriting/unicode8)
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3 | * Author: Steve Slevinski (https://SteveSlevinski.me)
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4 | * unicode8.mjs is released under the MIT License.
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5 | */
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6 |
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7 | /**
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8 | * Function that appends font-face CSS for the Noto Sans SignWriting font for use with SignWriting in Unicode 8 (uni8) characters.
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9 | *
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10 | * This font-face declaration will use a locally installed font if available.
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11 | * If not found, the font will be loaded from a content delivery network.
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12 | *
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13 | * The list of local names is currently a work in progress.
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14 | * The font-face currently works for Windows and iOS.
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15 | * This CSS is duplicated in the src/font/index.css file.
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16 | *
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17 | * @function font.cssAppend
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18 | * @param {string} dir - an optional relative directory for font location
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19 | * @example
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20 | * font.cssAppend('./font/')
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21 | */
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22 | const cssAppend = function (dir = '') {
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23 | const id = "SgnwUnicode8FontCss";
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24 |
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25 | if (!document.getElementById(id)) {
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26 | const style = document.createElement('style');
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27 | style.setAttribute("id", "SgnwUnicode8FontCss");
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28 | style.appendChild(document.createTextNode(`
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29 | @font-face {
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30 | font-family: "NotoSansSignWriting";
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31 | src:
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32 | local('NotoSansSignWriting'),
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33 | local('Noto Sans SignWriting'),
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34 | local('Noto_Sans_SignWriting'),
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35 | local('Noto Sans SignWriting Regular'),
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36 | local('Noto_Sans_SignWriting_Regular'),
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37 | ${dir ? `url('${dir}NotoSansSignWriting-Regular.otf') format('truetype'),` : ""}
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38 | url('https://cdn.jsdelivr.net/gh/googlefonts/noto-fonts/unhinted/otf/NotoSansSignWriting/NotoSansSignWriting-Regular.otf') format('opentype');
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39 | }
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40 | `));
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41 | document.head.appendChild(style);
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42 | }
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43 | };
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44 |
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45 | /** The font module contains functions for handing the font.
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46 | * @module font
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47 | */
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48 |
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49 | var index = /*#__PURE__*/Object.freeze({
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50 | __proto__: null,
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51 | cssAppend: cssAppend
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52 | });
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53 |
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54 | /**
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55 | * Object of regular expressions for symbol strings
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56 | *
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57 | * { base, fill, rotation, full }
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58 | * @alias symbol.re
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59 | * @type {object}
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60 | */
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61 | let re = {
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62 | 'base': '(?:\uD836[\uDC00-\uDE8B])',
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63 | 'fill': '(?:\uD836[\uDE9B-\uDE9F])',
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64 | 'rotation': '(?:\uD836[\uDEA1-\uDEAF])'
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65 | };
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66 | re.full = `(${re.base})(${re.fill})?(${re.rotation})?`;
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67 |
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68 | /**
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69 | * Function to parse symbol string to object
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70 | * @function symbol.parse
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71 | * @param {string} symbolString - a symbol string
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72 | * @returns {object} elements of symbol string
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73 | * @example
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74 | * symbol.parse('𝠀')
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75 | *
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76 | * return {
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77 | * 'base': '𝠀',
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78 | * 'fill': undefined,
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79 | * 'rotation': undefined
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80 | * }
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81 | */
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82 |
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83 | const parse = symbolString => {
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84 | const regex = `^${re.full}`;
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85 | const m = (typeof symbolString === 'string' ? symbolString.match(new RegExp(regex)) : []) || [];
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86 | return {
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87 | 'base': !m[1] ? undefined : m[1],
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88 | 'fill': !m[2] ? undefined : m[2],
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89 | 'rotation': !m[3] ? undefined : m[3]
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90 | };
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91 | };
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92 |
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93 | /**
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94 | * Function to compose symbol string from object
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95 | * @function symbol.compose
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96 | * @param {object} symbolObject - an object of symbol parts
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97 | * @param {string} symbolObject.base - base character for symbol
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98 | * @param {string} symbolObject.fill - fill character for symbol
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99 | * @param {string} symbolObject.rotation - rotation character for symbol
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100 | * @returns {string} symbol string
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101 | * @example
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102 | * symbol.compose({
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103 | * 'base': '𝠀'
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104 | * })
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105 | *
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106 | * return '𝠀'
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107 | */
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108 |
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109 | const compose = symbolObject => {
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110 | if (typeof symbolObject !== 'object' || symbolObject === null) return undefined;
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111 | const sym = (symbolObject.base ? symbolObject.base : '') + (symbolObject.fill ? symbolObject.fill : '') + (symbolObject.rotation ? symbolObject.rotation : '');
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112 | return sym ? sym : undefined;
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113 | };
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114 |
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115 | /** The symbol module contains regular expressions and functions for parsing and composing SignWriting in Unicode 8 (uni8) characters.
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116 | * @module symbol
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117 | */
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118 |
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119 | var index$1 = /*#__PURE__*/Object.freeze({
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120 | __proto__: null,
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121 | re: re,
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122 | parse: parse,
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123 | compose: compose
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124 | });
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125 |
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126 | /**
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127 | * Object of regular expressions for string of symbols
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128 | *
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129 | * { full }
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130 | * @alias string.re
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131 | * @type {object}
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132 | */
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133 | let re$1 = {
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134 | 'full': `(?:${re.full})+`
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135 | };
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136 |
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137 | /**
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138 | * Function to parse string of uni8 symbols to array
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139 | * @function string.parse
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140 | * @param {string} uni8String - a string of uni8 symbols
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141 | * @returns {array} array of uni8 symbols
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142 | * @example
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143 | * string.parse('𝠀𝠁')
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144 | *
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145 | * return ['𝠀','𝠁']
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146 | */
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147 |
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148 | const parse$1 = uni8String => {
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149 | const regex = `^(${re$1.full})`;
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150 | const m = (typeof uni8String === 'string' ? uni8String.match(new RegExp(regex)) : []) || [];
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151 | return !m[1] ? [] : [...m[1].matchAll(new RegExp(re.full, 'g'))].map(mm => mm[0]);
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152 | };
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153 |
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154 | /**
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155 | * Function to compose uni8 string from array
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156 | * @function string.compose
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157 | * @param {array} stringArray - an array of uni8 symbols
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158 | * @returns {string} string of uni8 symbols
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159 | * @example
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160 | * string.compose(['𝠀','𝠁'])
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161 | *
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162 | * return '𝠀𝠁'
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163 | */
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164 |
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165 | const compose$1 = stringArray => {
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166 | if (!Array.isArray(stringArray)) return undefined;
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167 | return stringArray.join('');
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168 | };
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169 |
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170 | /** The string module contains regular expressions and functions for parsing and composing SignWriting in Unicode 8 (uni8) symbol strings.
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171 | * @module string
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172 | */
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173 |
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174 | var index$2 = /*#__PURE__*/Object.freeze({
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175 | __proto__: null,
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176 | re: re$1,
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177 | parse: parse$1,
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178 | compose: compose$1
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179 | });
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180 |
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181 | /** The convert module contains functions to help process the various SignWriting Character sets.
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182 | * @module convert
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183 | */
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184 | /**
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185 | * Function to convert a SignWriting in Unicode 8 (uni8) code point to a character
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186 | * @function convert.code2uni
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187 | * @param {integer} code - unicode code point
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188 | * @returns {string} SignWriting in Unicode 8 character
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189 | * @example
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190 | * convert.code2uni(0x1D800)
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191 | *
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192 | * return '𝠀'
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193 | */
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194 |
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195 | const code2uni = code => String.fromCharCode(0xD800 + (code - 0x10000 >> 10), 0xDC00 + (code - 0x10000 & 0x3FF));
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196 | /**
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197 | * Function to convert a SignWriting in Unicode 8 (uni8) character to a code point
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198 | * @function convert.uni2code
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199 | * @param {string} uni8 - SignWriting in Unicode 8 character
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200 | * @returns {integer} unicode code point
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201 | * @example
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202 | * convert.uni2code('𝠀')
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203 | *
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204 | * return 0x1D800
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205 | */
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206 |
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207 |
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208 | const uni2code = uni8 => uni8.codePointAt(0);
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209 | /**
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210 | * Function to convert a SignWriting in Unicode 8 (uni8) character to hex values
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211 | * @function convert.uni2hex
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212 | * @param {string} uni8 - SignWriting in Unicode 8 character
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213 | * @returns {string} hex value of unicode character
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214 | * @example
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215 | * convert.uni2hex('𝠀')
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216 | *
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217 | * return "1D800"
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218 | */
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219 |
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220 |
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221 | const uni2hex = uni8 => uni8.codePointAt(0).toString(16).toUpperCase();
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222 | /**
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223 | * Function to convert a SignWriting in Unicode 8 (uni8) symbol to Formal SignWriting in ASCII (FSW)
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224 | * @function convert.uni2fsw
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225 | * @param {string} uni8 - SignWriting in Unicode 8 character(s)
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226 | * @returns {string} an FSW symbol key
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227 | * @example
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228 | * convert.uni2fsw('𝠀')
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229 | *
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230 | * return 'S10000'
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231 | */
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232 |
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233 |
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234 | const uni2fsw = uni8 => {
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235 | let sym = parse(uni8);
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236 |
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237 | if (sym.base) {
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238 | sym.base = sym.base.codePointAt(0) - 0x1D700;
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239 | sym.fill = sym.fill ? sym.fill.codePointAt(0) - 0x1DA9A : 0;
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240 | sym.rotation = sym.rotation ? sym.rotation.codePointAt(0) - 0x1DAA0 : 0;
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241 | return "S" + sym.base.toString(16) + sym.fill.toString(16) + sym.rotation.toString(16);
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242 | } else {
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243 | return undefined;
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244 | }
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245 | };
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246 | /**
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247 | * Function to convert a SignWriting in Unicode 8 (uni8) symbol to SignWriting in Unicode (SWU)
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248 | * @function convert.uni2swu
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249 | * @param {string} uni8 - SignWriting in Unicode 8 character(s)
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250 | * @returns {string} an SWU symbol
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251 | * @example
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252 | * convert.uni2swu('𝠀')
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253 | *
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254 | * return ''
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255 | */
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256 |
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257 |
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258 | const uni2swu = uni8 => {
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259 | let sym = parse(uni8);
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260 |
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261 | if (sym.base) {
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262 | sym.base = sym.base.codePointAt(0) - 0x1D800;
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263 | sym.fill = sym.fill ? sym.fill.codePointAt(0) - 0x1DA9A : 0;
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264 | sym.rotation = sym.rotation ? sym.rotation.codePointAt(0) - 0x1DAA0 : 0;
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265 | return code2uni(0x40001 + sym.base * 96 + sym.fill * 16 + sym.rotation);
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266 | } else {
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267 | return undefined;
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268 | }
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269 | };
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270 | /**
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271 | * Function to convert a Formal SignWriting in ASCII (FSW) to SignWriting in Unicode 8 (uni8)
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272 | * @function convert.fsw2uni
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273 | * @param {string} fswSym - an FSW symbol key
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274 | * @returns {string} SignWriting in Unicode 8 character(s)
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275 | * @example
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276 | * convert.fsw2uni('S10000')
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277 | *
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278 | * return '𝠀'
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279 | */
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280 |
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281 |
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282 | const fsw2uni = fswSym => {
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283 | let base = parseInt(fswSym.slice(1, 4), 16);
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284 | let fill = parseInt(fswSym.slice(4, 5), 16);
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285 | let rotation = parseInt(fswSym.slice(5, 6), 16);
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286 | return code2uni(base + 0x1D700) + (fill ? code2uni(fill + 0x1DA9A) : '') + (rotation ? code2uni(rotation + 0x1DAA0) : '');
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287 | };
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288 | /**
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289 | * Function to convert a SignWriting in Unicode (SWU) to SignWriting in Unicode 8 (uni8)
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290 | * @function convert.swu2uni
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291 | * @param {string} swuSym - an SWU symbol
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292 | * @returns {string} SignWriting in Unicode 8 character(s)
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293 | * @example
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294 | * convert.swu2uni('')
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295 | *
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296 | * return '𝠀'
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297 | */
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298 |
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299 |
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300 | const swu2uni = swuSym => {
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301 | const symcode = swuSym.codePointAt(0) - 0x40001;
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302 | const base = parseInt(symcode / 96);
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303 | const fill = parseInt((symcode - base * 96) / 16);
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304 | const rotation = parseInt(symcode - base * 96 - fill * 16);
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305 | return code2uni(base + 0x1D800) + (fill ? code2uni(fill + 0x1DA9A) : '') + (rotation ? code2uni(rotation + 0x1DAA0) : '');
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306 | };
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307 |
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308 | var index$3 = /*#__PURE__*/Object.freeze({
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309 | __proto__: null,
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310 | code2uni: code2uni,
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311 | uni2code: uni2code,
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312 | uni2hex: uni2hex,
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313 | uni2fsw: uni2fsw,
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314 | uni2swu: uni2swu,
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315 | fsw2uni: fsw2uni,
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316 | swu2uni: swu2uni
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317 | });
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318 |
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319 | export { index$3 as convert, index as font, index$2 as string, index$1 as symbol };
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320 |
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321 | /* support ongoing development on https://patreon.com/signwriting */
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