react-native-mathjax-html-to-svg
Version:
React Native component to display mathematics in html using MathJax. Uses [MathJax](https://github.com/mathjax/)
245 lines (244 loc) • 9.05 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __spread = (this && this.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EnvironmentMap = exports.CommandMap = exports.MacroMap = exports.DelimiterMap = exports.CharacterMap = exports.AbstractParseMap = exports.RegExpMap = exports.AbstractSymbolMap = void 0;
var Symbol_js_1 = require("./Symbol.js");
var MapHandler_js_1 = require("./MapHandler.js");
var AbstractSymbolMap = (function () {
function AbstractSymbolMap(_name, _parser) {
this._name = _name;
this._parser = _parser;
MapHandler_js_1.MapHandler.register(this);
}
Object.defineProperty(AbstractSymbolMap.prototype, "name", {
get: function () {
return this._name;
},
enumerable: false,
configurable: true
});
AbstractSymbolMap.prototype.parserFor = function (symbol) {
return this.contains(symbol) ? this.parser : null;
};
AbstractSymbolMap.prototype.parse = function (_a) {
var _b = __read(_a, 2), env = _b[0], symbol = _b[1];
var parser = this.parserFor(symbol);
var mapped = this.lookup(symbol);
return (parser && mapped) ?
parser(env, mapped) || true : null;
};
Object.defineProperty(AbstractSymbolMap.prototype, "parser", {
get: function () {
return this._parser;
},
set: function (parser) {
this._parser = parser;
},
enumerable: false,
configurable: true
});
return AbstractSymbolMap;
}());
exports.AbstractSymbolMap = AbstractSymbolMap;
var RegExpMap = (function (_super) {
__extends(RegExpMap, _super);
function RegExpMap(name, parser, _regExp) {
var _this = _super.call(this, name, parser) || this;
_this._regExp = _regExp;
return _this;
}
RegExpMap.prototype.contains = function (symbol) {
return this._regExp.test(symbol);
};
RegExpMap.prototype.lookup = function (symbol) {
return this.contains(symbol) ? symbol : null;
};
return RegExpMap;
}(AbstractSymbolMap));
exports.RegExpMap = RegExpMap;
var AbstractParseMap = (function (_super) {
__extends(AbstractParseMap, _super);
function AbstractParseMap() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.map = new Map();
return _this;
}
AbstractParseMap.prototype.lookup = function (symbol) {
return this.map.get(symbol);
};
AbstractParseMap.prototype.contains = function (symbol) {
return this.map.has(symbol);
};
AbstractParseMap.prototype.add = function (symbol, object) {
this.map.set(symbol, object);
};
AbstractParseMap.prototype.remove = function (symbol) {
this.map.delete(symbol);
};
return AbstractParseMap;
}(AbstractSymbolMap));
exports.AbstractParseMap = AbstractParseMap;
var CharacterMap = (function (_super) {
__extends(CharacterMap, _super);
function CharacterMap(name, parser, json) {
var e_1, _a;
var _this = _super.call(this, name, parser) || this;
try {
for (var _b = __values(Object.keys(json)), _c = _b.next(); !_c.done; _c = _b.next()) {
var key = _c.value;
var value = json[key];
var _d = __read((typeof (value) === 'string') ? [value, null] : value, 2), char = _d[0], attrs = _d[1];
var character = new Symbol_js_1.Symbol(key, char, attrs);
_this.add(key, character);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
return _this;
}
return CharacterMap;
}(AbstractParseMap));
exports.CharacterMap = CharacterMap;
var DelimiterMap = (function (_super) {
__extends(DelimiterMap, _super);
function DelimiterMap() {
return _super !== null && _super.apply(this, arguments) || this;
}
DelimiterMap.prototype.parse = function (_a) {
var _b = __read(_a, 2), env = _b[0], symbol = _b[1];
return _super.prototype.parse.call(this, [env, '\\' + symbol]);
};
return DelimiterMap;
}(CharacterMap));
exports.DelimiterMap = DelimiterMap;
var MacroMap = (function (_super) {
__extends(MacroMap, _super);
function MacroMap(name, json, functionMap) {
var e_2, _a;
var _this = _super.call(this, name, null) || this;
try {
for (var _b = __values(Object.keys(json)), _c = _b.next(); !_c.done; _c = _b.next()) {
var key = _c.value;
var value = json[key];
var _d = __read((typeof (value) === 'string') ? [value] : value), func = _d[0], attrs = _d.slice(1);
var character = new Symbol_js_1.Macro(key, functionMap[func], attrs);
_this.add(key, character);
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
}
return _this;
}
MacroMap.prototype.parserFor = function (symbol) {
var macro = this.lookup(symbol);
return macro ? macro.func : null;
};
MacroMap.prototype.parse = function (_a) {
var _b = __read(_a, 2), env = _b[0], symbol = _b[1];
var macro = this.lookup(symbol);
var parser = this.parserFor(symbol);
if (!macro || !parser) {
return null;
}
return parser.apply(void 0, __spread([env, macro.symbol], macro.args)) || true;
};
return MacroMap;
}(AbstractParseMap));
exports.MacroMap = MacroMap;
var CommandMap = (function (_super) {
__extends(CommandMap, _super);
function CommandMap() {
return _super !== null && _super.apply(this, arguments) || this;
}
CommandMap.prototype.parse = function (_a) {
var _b = __read(_a, 2), env = _b[0], symbol = _b[1];
var macro = this.lookup(symbol);
var parser = this.parserFor(symbol);
if (!macro || !parser) {
return null;
}
if (!parser) {
return null;
}
var saveCommand = env.currentCS;
env.currentCS = '\\' + symbol;
var result = parser.apply(void 0, __spread([env, '\\' + macro.symbol], macro.args));
env.currentCS = saveCommand;
return result || true;
};
return CommandMap;
}(MacroMap));
exports.CommandMap = CommandMap;
var EnvironmentMap = (function (_super) {
__extends(EnvironmentMap, _super);
function EnvironmentMap(name, parser, json, functionMap) {
var _this = _super.call(this, name, json, functionMap) || this;
_this.parser = parser;
return _this;
}
EnvironmentMap.prototype.parse = function (_a) {
var _b = __read(_a, 2), env = _b[0], symbol = _b[1];
var macro = this.lookup(symbol);
var envParser = this.parserFor(symbol);
if (!macro || !envParser) {
return null;
}
this.parser(env, macro.symbol, envParser, macro.args);
return true;
};
return EnvironmentMap;
}(MacroMap));
exports.EnvironmentMap = EnvironmentMap;