45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.hex = exports.dec = exports.codePoint = void 0;
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var dingbats_1 = __importDefault(require("./dingbats"));
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var dingbatsByCodePoint = {};
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var fromCodePoint = String.fromCodePoint ? String.fromCodePoint : fromCodePointPolyfill;
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for (var _i = 0, dingbats_2 = dingbats_1.default; _i < dingbats_2.length; _i++) {
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var dingbat = dingbats_2[_i];
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var codePoint_1 = parseInt(dingbat["Unicode dec"], 10);
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var scalarValue = {
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codePoint: codePoint_1,
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string: fromCodePoint(codePoint_1),
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};
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dingbatsByCodePoint[dingbat["Typeface name"].toUpperCase() + "_" + dingbat["Dingbat dec"]] = scalarValue;
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}
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function codePoint(typeface, codePoint) {
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return dingbatsByCodePoint[typeface.toUpperCase() + "_" + codePoint];
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}
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exports.codePoint = codePoint;
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function dec(typeface, dec) {
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return codePoint(typeface, parseInt(dec, 10));
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}
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exports.dec = dec;
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function hex(typeface, hex) {
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return codePoint(typeface, parseInt(hex, 16));
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}
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exports.hex = hex;
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function fromCodePointPolyfill(codePoint) {
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if (codePoint <= 0xFFFF) {
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// BMP
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return String.fromCharCode(codePoint);
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}
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else {
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// Astral
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// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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var highSurrogate = Math.floor((codePoint - 0x10000) / 0x400) + 0xD800;
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var lowSurrogate = (codePoint - 0x10000) % 0x400 + 0xDC00;
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return String.fromCharCode(highSurrogate, lowSurrogate);
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}
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}
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;
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