react-native-mathjax-html-to-svg
Version:
React Native component to display mathematics in html using MathJax. Uses [MathJax](https://github.com/mathjax/)
175 lines (174 loc) • 6.74 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 __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 __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 __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.TextParser = void 0;
var TexParser_js_1 = require("../TexParser.js");
var TexError_js_1 = require("../TexError.js");
var ParseUtil_js_1 = require("../ParseUtil.js");
var MmlNode_js_1 = require("../../../core/MmlTree/MmlNode.js");
var NodeUtil_js_1 = require("../NodeUtil.js");
var BaseItems_js_1 = require("../base/BaseItems.js");
var TextParser = (function (_super) {
__extends(TextParser, _super);
function TextParser(text, env, configuration, level) {
var _this = _super.call(this, text, env, configuration) || this;
_this.level = level;
return _this;
}
Object.defineProperty(TextParser.prototype, "texParser", {
get: function () {
return this.configuration.packageData.get('textmacros').texParser;
},
enumerable: false,
configurable: true
});
Object.defineProperty(TextParser.prototype, "tags", {
get: function () {
return this.texParser.tags;
},
enumerable: false,
configurable: true
});
TextParser.prototype.mml = function () {
return (this.level != null ?
this.create('node', 'mstyle', this.nodes, { displaystyle: false, scriptlevel: this.level }) :
this.nodes.length === 1 ? this.nodes[0] : this.create('node', 'inferredMrow', this.nodes));
};
TextParser.prototype.Parse = function () {
this.text = '';
this.nodes = [];
this.envStack = [];
_super.prototype.Parse.call(this);
};
TextParser.prototype.saveText = function () {
if (this.text) {
var mathvariant = this.stack.env.mathvariant;
var text = ParseUtil_js_1.default.internalText(this, this.text, mathvariant ? { mathvariant: mathvariant } : {});
this.text = '';
this.Push(text);
}
};
TextParser.prototype.Push = function (mml) {
if (this.text) {
this.saveText();
}
if (mml instanceof BaseItems_js_1.StopItem) {
return _super.prototype.Push.call(this, mml);
}
if (mml instanceof BaseItems_js_1.StyleItem) {
this.stack.env.mathcolor = this.stack.env.color;
return;
}
if (mml instanceof MmlNode_js_1.AbstractMmlNode) {
this.addAttributes(mml);
this.nodes.push(mml);
}
};
TextParser.prototype.PushMath = function (mml) {
var e_1, _a;
var env = this.stack.env;
try {
for (var _b = __values(['mathsize', 'mathcolor']), _c = _b.next(); !_c.done; _c = _b.next()) {
var name_1 = _c.value;
if (env[name_1] && !mml.attributes.getExplicit(name_1)) {
if (!mml.isToken && !mml.isKind('mstyle')) {
mml = this.create('node', 'mstyle', [mml]);
}
NodeUtil_js_1.default.setAttribute(mml, name_1, env[name_1]);
}
}
}
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; }
}
if (mml.isKind('inferredMrow')) {
mml = this.create('node', 'mrow', mml.childNodes);
}
this.nodes.push(mml);
};
TextParser.prototype.addAttributes = function (mml) {
var e_2, _a;
var env = this.stack.env;
if (!mml.isToken)
return;
try {
for (var _b = __values(['mathsize', 'mathcolor', 'mathvariant']), _c = _b.next(); !_c.done; _c = _b.next()) {
var name_2 = _c.value;
if (env[name_2] && !mml.attributes.getExplicit(name_2)) {
NodeUtil_js_1.default.setAttribute(mml, name_2, env[name_2]);
}
}
}
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; }
}
};
TextParser.prototype.ParseTextArg = function (name, env) {
var text = this.GetArgument(name);
env = Object.assign(Object.assign({}, this.stack.env), env);
return (new TextParser(text, env, this.configuration)).mml();
};
TextParser.prototype.ParseArg = function (name) {
return (new TextParser(this.GetArgument(name), this.stack.env, this.configuration)).mml();
};
TextParser.prototype.Error = function (id, message) {
var args = [];
for (var _i = 2; _i < arguments.length; _i++) {
args[_i - 2] = arguments[_i];
}
throw new (TexError_js_1.default.bind.apply(TexError_js_1.default, __spread([void 0, id, message], args)))();
};
return TextParser;
}(TexParser_js_1.default));
exports.TextParser = TextParser;