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merge upstream

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This commit is contained in:
Niklas Buschmann
2021-03-11 21:55:04 +01:00
parent 2671ef78fb
commit 63f216c575
25 changed files with 6537 additions and 5056 deletions
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326
static/katex/contrib/auto-render.js
View File

@@ -7,111 +7,87 @@
exports["renderMathInElement"] = factory(require("katex"));
else
root["renderMathInElement"] = factory(root["katex"]);
})((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE__0__) {
return /******/ (function(modules) { // webpackBootstrap
})((typeof self !== 'undefined' ? self : this), function(__WEBPACK_EXTERNAL_MODULE__974__) {
return /******/ (function() { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ 974:
/***/ (function(module) {
module.exports = __WEBPACK_EXTERNAL_MODULE__974__;
/***/ })
/******/ });
/************************************************************************/
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ if(__webpack_module_cache__[moduleId]) {
/******/ return __webpack_module_cache__[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
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/******/ };
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/******/
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/******/ __webpack_require__.m = modules;
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/******/ __webpack_require__.c = installedModules;
/******/
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ };
/******/
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/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
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/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 1);
/******/ })
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/* 0 */
/***/ (function(module, exports) {
/******/ /* webpack/runtime/compat get default export */
/******/ !function() {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function() { return module['default']; } :
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var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
!function() {
module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": function() { return /* binding */ auto_render; }
});
// EXTERNAL MODULE: external "katex"
var external_katex_ = __webpack_require__(0);
var external_katex_ = __webpack_require__(974);
var external_katex_default = /*#__PURE__*/__webpack_require__.n(external_katex_);
// CONCATENATED MODULE: ./contrib/auto-render/splitAtDelimiters.js
;// CONCATENATED MODULE: ./contrib/auto-render/splitAtDelimiters.js
/* eslint no-constant-condition:0 */
var findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
// Adapted from
@@ -139,96 +115,76 @@ var findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
return -1;
};
var splitAtDelimiters = function splitAtDelimiters(startData, leftDelim, rightDelim, display) {
var finalData = [];
for (var i = 0; i < startData.length; i++) {
if (startData[i].type === "text") {
var text = startData[i].data;
var lookingForLeft = true;
var currIndex = 0;
var nextIndex = void 0;
nextIndex = text.indexOf(leftDelim);
if (nextIndex !== -1) {
currIndex = nextIndex;
finalData.push({
type: "text",
data: text.slice(0, currIndex)
});
lookingForLeft = false;
}
while (true) {
if (lookingForLeft) {
nextIndex = text.indexOf(leftDelim, currIndex);
if (nextIndex === -1) {
break;
}
finalData.push({
type: "text",
data: text.slice(currIndex, nextIndex)
});
currIndex = nextIndex;
} else {
nextIndex = findEndOfMath(rightDelim, text, currIndex + leftDelim.length);
if (nextIndex === -1) {
break;
}
finalData.push({
type: "math",
data: text.slice(currIndex + leftDelim.length, nextIndex),
rawData: text.slice(currIndex, nextIndex + rightDelim.length),
display: display
});
currIndex = nextIndex + rightDelim.length;
}
lookingForLeft = !lookingForLeft;
}
finalData.push({
type: "text",
data: text.slice(currIndex)
});
} else {
finalData.push(startData[i]);
}
}
return finalData;
var escapeRegex = function escapeRegex(string) {
return string.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&");
};
/* harmony default export */ var auto_render_splitAtDelimiters = (splitAtDelimiters);
// CONCATENATED MODULE: ./contrib/auto-render/auto-render.js
/* eslint no-console:0 */
var amsRegex = /^\\begin{/;
var splitAtDelimiters = function splitAtDelimiters(text, delimiters) {
var index;
var data = [];
var regexLeft = new RegExp("(" + delimiters.map(function (x) {
return escapeRegex(x.left);
}).join("|") + ")");
while (true) {
index = text.search(regexLeft);
if (index === -1) {
break;
}
if (index > 0) {
data.push({
type: "text",
data: text.slice(0, index)
});
text = text.slice(index); // now text starts with delimiter
} // ... so this always succeeds:
var i = delimiters.findIndex(function (delim) {
return text.startsWith(delim.left);
});
index = findEndOfMath(delimiters[i].right, text, delimiters[i].left.length);
var auto_render_splitWithDelimiters = function splitWithDelimiters(text, delimiters) {
var data = [{
type: "text",
data: text
}];
if (index === -1) {
break;
}
for (var i = 0; i < delimiters.length; i++) {
var delimiter = delimiters[i];
data = auto_render_splitAtDelimiters(data, delimiter.left, delimiter.right, delimiter.display || false);
var rawData = text.slice(0, index + delimiters[i].right.length);
var math = amsRegex.test(rawData) ? rawData : text.slice(delimiters[i].left.length, index);
data.push({
type: "math",
data: math,
rawData: rawData,
display: delimiters[i].display
});
text = text.slice(index + delimiters[i].right.length);
}
if (text !== "") {
data.push({
type: "text",
data: text
});
}
return data;
};
/* harmony default export */ var auto_render_splitAtDelimiters = (splitAtDelimiters);
;// CONCATENATED MODULE: ./contrib/auto-render/auto-render.js
/* eslint no-console:0 */
/* Note: optionsCopy is mutated by this method. If it is ever exposed in the
* API, we should copy it before mutating.
*/
var auto_render_renderMathInText = function renderMathInText(text, optionsCopy) {
var data = auto_render_splitWithDelimiters(text, optionsCopy.delimiters);
var renderMathInText = function renderMathInText(text, optionsCopy) {
var data = auto_render_splitAtDelimiters(text, optionsCopy.delimiters);
if (data.length === 1 && data[0].type === 'text') {
// There is no formula in the text.
@@ -254,9 +210,9 @@ var auto_render_renderMathInText = function renderMathInText(text, optionsCopy)
math = optionsCopy.preProcess(math);
}
external_katex_default.a.render(math, span, optionsCopy);
external_katex_default().render(math, span, optionsCopy);
} catch (e) {
if (!(e instanceof external_katex_default.a.ParseError)) {
if (!(e instanceof (external_katex_default()).ParseError)) {
throw e;
}
@@ -278,7 +234,7 @@ var renderElem = function renderElem(elem, optionsCopy) {
if (childNode.nodeType === 3) {
// Text node
var frag = auto_render_renderMathInText(childNode.textContent, optionsCopy);
var frag = renderMathInText(childNode.textContent, optionsCopy);
if (frag) {
i += frag.childNodes.length - 1;
@@ -325,11 +281,29 @@ var renderMathInElement = function renderMathInElement(elem, options) {
display: false
}, // LaTeX uses $…$, but it ruins the display of normal `$` in text:
// {left: "$", right: "$", display: false},
// \[…\] must come last in this array. Otherwise, renderMathInElement
// will search for \[ before it searches for $$ or \(
// That makes it susceptible to finding a \\[0.3em] row delimiter and
// treating it as if it were the start of a KaTeX math zone.
// $ must come after $$
// Render AMS environments even if outside $$…$$ delimiters.
{
left: "\\begin{equation}",
right: "\\end{equation}",
display: true
}, {
left: "\\begin{align}",
right: "\\end{align}",
display: true
}, {
left: "\\begin{alignat}",
right: "\\end{alignat}",
display: true
}, {
left: "\\begin{gather}",
right: "\\end{gather}",
display: true
}, {
left: "\\begin{CD}",
right: "\\end{CD}",
display: true
}, {
left: "\\[",
right: "\\]",
display: true
@@ -343,8 +317,10 @@ var renderMathInElement = function renderMathInElement(elem, options) {
renderElem(elem, optionsCopy);
};
/* harmony default export */ var auto_render = __webpack_exports__["default"] = (renderMathInElement);
/***/ })
/******/ ])["default"];
/* harmony default export */ var auto_render = (renderMathInElement);
}();
__webpack_exports__ = __webpack_exports__.default;
/******/ return __webpack_exports__;
/******/ })()
;
});

2
static/katex/contrib/auto-render.min.js vendored
View File

@@ -1 +1 @@
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("katex")):"function"==typeof define&&define.amd?define(["katex"],t):"object"==typeof exports?exports.renderMathInElement=t(require("katex")):e.renderMathInElement=t(e.katex)}("undefined"!=typeof self?self:this,function(e){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=1)}([function(t,r){t.exports=e},function(e,t,r){"use strict";r.r(t);var n=r(0),o=r.n(n),a=function(e,t,r){for(var n=r,o=0,a=e.length;n<t.length;){var i=t[n];if(o<=0&&t.slice(n,n+a)===e)return n;"\\"===i?n++:"{"===i?o++:"}"===i&&o--,n++}return-1},i=function(e,t,r,n){for(var o=[],i=0;i<e.length;i++)if("text"===e[i].type){var l=e[i].data,d=!0,s=0,f=void 0;for(-1!==(f=l.indexOf(t))&&(s=f,o.push({type:"text",data:l.slice(0,s)}),d=!1);;){if(d){if(-1===(f=l.indexOf(t,s)))break;o.push({type:"text",data:l.slice(s,f)}),s=f}else{if(-1===(f=a(r,l,s+t.length)))break;o.push({type:"math",data:l.slice(s+t.length,f),rawData:l.slice(s,f+r.length),display:n}),s=f+r.length}d=!d}o.push({type:"text",data:l.slice(s)})}else o.push(e[i]);return o},l=function(e,t){var r=function(e,t){for(var r=[{type:"text",data:e}],n=0;n<t.length;n++){var o=t[n];r=i(r,o.left,o.right,o.display||!1)}return r}(e,t.delimiters);if(1===r.length&&"text"===r[0].type)return null;for(var n=document.createDocumentFragment(),a=0;a<r.length;a++)if("text"===r[a].type)n.appendChild(document.createTextNode(r[a].data));else{var l=document.createElement("span"),d=r[a].data;t.displayMode=r[a].display;try{t.preProcess&&(d=t.preProcess(d)),o.a.render(d,l,t)}catch(e){if(!(e instanceof o.a.ParseError))throw e;t.errorCallback("KaTeX auto-render: Failed to parse `"+r[a].data+"` with ",e),n.appendChild(document.createTextNode(r[a].rawData));continue}n.appendChild(l)}return n};t.default=function(e,t){if(!e)throw new Error("No element provided to render");var r={};for(var n in t)t.hasOwnProperty(n)&&(r[n]=t[n]);r.delimiters=r.delimiters||[{left:"$$",right:"$$",display:!0},{left:"\\(",right:"\\)",display:!1},{left:"\\[",right:"\\]",display:!0}],r.ignoredTags=r.ignoredTags||["script","noscript","style","textarea","pre","code","option"],r.ignoredClasses=r.ignoredClasses||[],r.errorCallback=r.errorCallback||console.error,r.macros=r.macros||{},function e(t,r){for(var n=0;n<t.childNodes.length;n++){var o=t.childNodes[n];if(3===o.nodeType){var a=l(o.textContent,r);a&&(n+=a.childNodes.length-1,t.replaceChild(a,o))}else 1===o.nodeType&&function(){var t=" "+o.className+" ";-1===r.ignoredTags.indexOf(o.nodeName.toLowerCase())&&r.ignoredClasses.every(function(e){return-1===t.indexOf(" "+e+" ")})&&e(o,r)}()}}(e,r)}}]).default});
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("katex")):"function"==typeof define&&define.amd?define(["katex"],t):"object"==typeof exports?exports.renderMathInElement=t(require("katex")):e.renderMathInElement=t(e.katex)}("undefined"!=typeof self?self:this,(function(e){return function(){"use strict";var t={974:function(t){t.exports=e}},r={};function n(e){if(r[e])return r[e].exports;var a=r[e]={exports:{}};return t[e](a,a.exports,n),a.exports}n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,{a:t}),t},n.d=function(e,t){for(var r in t)n.o(t,r)&&!n.o(e,r)&&Object.defineProperty(e,r,{enumerable:!0,get:t[r]})},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};var a={};return function(){n.d(a,{default:function(){return s}});var e=n(974),t=n.n(e),r=function(e,t,r){for(var n=r,a=0,i=e.length;n<t.length;){var o=t[n];if(a<=0&&t.slice(n,n+i)===e)return n;"\\"===o?n++:"{"===o?a++:"}"===o&&a--,n++}return-1},i=/^\\begin{/,o=function(e,t){for(var n,a=[],o=new RegExp("("+t.map((function(e){return e.left.replace(/[-/\\^$*+?.()|[\]{}]/g,"\\$&")})).join("|")+")");-1!==(n=e.search(o));){n>0&&(a.push({type:"text",data:e.slice(0,n)}),e=e.slice(n));var l=t.findIndex((function(t){return e.startsWith(t.left)}));if(-1===(n=r(t[l].right,e,t[l].left.length)))break;var d=e.slice(0,n+t[l].right.length),s=i.test(d)?d:e.slice(t[l].left.length,n);a.push({type:"math",data:s,rawData:d,display:t[l].display}),e=e.slice(n+t[l].right.length)}return""!==e&&a.push({type:"text",data:e}),a},l=function(e,r){var n=o(e,r.delimiters);if(1===n.length&&"text"===n[0].type)return null;for(var a=document.createDocumentFragment(),i=0;i<n.length;i++)if("text"===n[i].type)a.appendChild(document.createTextNode(n[i].data));else{var l=document.createElement("span"),d=n[i].data;r.displayMode=n[i].display;try{r.preProcess&&(d=r.preProcess(d)),t().render(d,l,r)}catch(e){if(!(e instanceof t().ParseError))throw e;r.errorCallback("KaTeX auto-render: Failed to parse `"+n[i].data+"` with ",e),a.appendChild(document.createTextNode(n[i].rawData));continue}a.appendChild(l)}return a},d=function e(t,r){for(var n=0;n<t.childNodes.length;n++){var a=t.childNodes[n];if(3===a.nodeType){var i=l(a.textContent,r);i&&(n+=i.childNodes.length-1,t.replaceChild(i,a))}else 1===a.nodeType&&function(){var t=" "+a.className+" ";-1===r.ignoredTags.indexOf(a.nodeName.toLowerCase())&&r.ignoredClasses.every((function(e){return-1===t.indexOf(" "+e+" ")}))&&e(a,r)}()}},s=function(e,t){if(!e)throw new Error("No element provided to render");var r={};for(var n in t)t.hasOwnProperty(n)&&(r[n]=t[n]);r.delimiters=r.delimiters||[{left:"$$",right:"$$",display:!0},{left:"\\(",right:"\\)",display:!1},{left:"\\begin{equation}",right:"\\end{equation}",display:!0},{left:"\\begin{align}",right:"\\end{align}",display:!0},{left:"\\begin{alignat}",right:"\\end{alignat}",display:!0},{left:"\\begin{gather}",right:"\\end{gather}",display:!0},{left:"\\begin{CD}",right:"\\end{CD}",display:!0},{left:"\\[",right:"\\]",display:!0}],r.ignoredTags=r.ignoredTags||["script","noscript","style","textarea","pre","code","option"],r.ignoredClasses=r.ignoredClasses||[],r.errorCallback=r.errorCallback||console.error,r.macros=r.macros||{},d(e,r)}}(),a=a.default}()}));

196
static/katex/contrib/auto-render.mjs
View File

@@ -1,15 +1,15 @@
import katex from '../katex.mjs';
/* eslint no-constant-condition:0 */
const findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
var findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
// Adapted from
// https://github.com/Khan/perseus/blob/master/src/perseus-markdown.jsx
let index = startIndex;
let braceLevel = 0;
const delimLength = delimiter.length;
var index = startIndex;
var braceLevel = 0;
var delimLength = delimiter.length;
while (index < text.length) {
const character = text[index];
var character = text[index];
if (braceLevel <= 0 && text.slice(index, index + delimLength) === delimiter) {
return index;
@@ -27,92 +27,68 @@ const findEndOfMath = function findEndOfMath(delimiter, text, startIndex) {
return -1;
};
const splitAtDelimiters = function splitAtDelimiters(startData, leftDelim, rightDelim, display) {
const finalData = [];
for (let i = 0; i < startData.length; i++) {
if (startData[i].type === "text") {
const text = startData[i].data;
let lookingForLeft = true;
let currIndex = 0;
let nextIndex;
nextIndex = text.indexOf(leftDelim);
if (nextIndex !== -1) {
currIndex = nextIndex;
finalData.push({
type: "text",
data: text.slice(0, currIndex)
});
lookingForLeft = false;
}
while (true) {
if (lookingForLeft) {
nextIndex = text.indexOf(leftDelim, currIndex);
if (nextIndex === -1) {
break;
}
finalData.push({
type: "text",
data: text.slice(currIndex, nextIndex)
});
currIndex = nextIndex;
} else {
nextIndex = findEndOfMath(rightDelim, text, currIndex + leftDelim.length);
if (nextIndex === -1) {
break;
}
finalData.push({
type: "math",
data: text.slice(currIndex + leftDelim.length, nextIndex),
rawData: text.slice(currIndex, nextIndex + rightDelim.length),
display: display
});
currIndex = nextIndex + rightDelim.length;
}
lookingForLeft = !lookingForLeft;
}
finalData.push({
type: "text",
data: text.slice(currIndex)
});
} else {
finalData.push(startData[i]);
}
}
return finalData;
var escapeRegex = function escapeRegex(string) {
return string.replace(/[-/\\^$*+?.()|[\]{}]/g, "\\$&");
};
/* eslint no-console:0 */
var amsRegex = /^\\begin{/;
const splitWithDelimiters = function splitWithDelimiters(text, delimiters) {
let data = [{
type: "text",
data: text
}];
var splitAtDelimiters = function splitAtDelimiters(text, delimiters) {
var index;
var data = [];
var regexLeft = new RegExp("(" + delimiters.map(x => escapeRegex(x.left)).join("|") + ")");
for (let i = 0; i < delimiters.length; i++) {
const delimiter = delimiters[i];
data = splitAtDelimiters(data, delimiter.left, delimiter.right, delimiter.display || false);
while (true) {
index = text.search(regexLeft);
if (index === -1) {
break;
}
if (index > 0) {
data.push({
type: "text",
data: text.slice(0, index)
});
text = text.slice(index); // now text starts with delimiter
} // ... so this always succeeds:
var i = delimiters.findIndex(delim => text.startsWith(delim.left));
index = findEndOfMath(delimiters[i].right, text, delimiters[i].left.length);
if (index === -1) {
break;
}
var rawData = text.slice(0, index + delimiters[i].right.length);
var math = amsRegex.test(rawData) ? rawData : text.slice(delimiters[i].left.length, index);
data.push({
type: "math",
data: math,
rawData,
display: delimiters[i].display
});
text = text.slice(index + delimiters[i].right.length);
}
if (text !== "") {
data.push({
type: "text",
data: text
});
}
return data;
};
/* eslint no-console:0 */
/* Note: optionsCopy is mutated by this method. If it is ever exposed in the
* API, we should copy it before mutating.
*/
const renderMathInText = function renderMathInText(text, optionsCopy) {
const data = splitWithDelimiters(text, optionsCopy.delimiters);
var renderMathInText = function renderMathInText(text, optionsCopy) {
var data = splitAtDelimiters(text, optionsCopy.delimiters);
if (data.length === 1 && data[0].type === 'text') {
// There is no formula in the text.
@@ -121,14 +97,14 @@ const renderMathInText = function renderMathInText(text, optionsCopy) {
return null;
}
const fragment = document.createDocumentFragment();
var fragment = document.createDocumentFragment();
for (let i = 0; i < data.length; i++) {
for (var i = 0; i < data.length; i++) {
if (data[i].type === "text") {
fragment.appendChild(document.createTextNode(data[i].data));
} else {
const span = document.createElement("span");
let math = data[i].data; // Override any display mode defined in the settings with that
var span = document.createElement("span");
var math = data[i].data; // Override any display mode defined in the settings with that
// defined by the text itself
optionsCopy.displayMode = data[i].display;
@@ -156,39 +132,41 @@ const renderMathInText = function renderMathInText(text, optionsCopy) {
return fragment;
};
const renderElem = function renderElem(elem, optionsCopy) {
for (let i = 0; i < elem.childNodes.length; i++) {
const childNode = elem.childNodes[i];
var renderElem = function renderElem(elem, optionsCopy) {
for (var i = 0; i < elem.childNodes.length; i++) {
var childNode = elem.childNodes[i];
if (childNode.nodeType === 3) {
// Text node
const frag = renderMathInText(childNode.textContent, optionsCopy);
var frag = renderMathInText(childNode.textContent, optionsCopy);
if (frag) {
i += frag.childNodes.length - 1;
elem.replaceChild(frag, childNode);
}
} else if (childNode.nodeType === 1) {
// Element node
const className = ' ' + childNode.className + ' ';
const shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(x => className.indexOf(' ' + x + ' ') === -1);
(function () {
// Element node
var className = ' ' + childNode.className + ' ';
var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(x => className.indexOf(' ' + x + ' ') === -1);
if (shouldRender) {
renderElem(childNode, optionsCopy);
}
if (shouldRender) {
renderElem(childNode, optionsCopy);
}
})();
} // Otherwise, it's something else, and ignore it.
}
};
const renderMathInElement = function renderMathInElement(elem, options) {
var renderMathInElement = function renderMathInElement(elem, options) {
if (!elem) {
throw new Error("No element provided to render");
}
const optionsCopy = {}; // Object.assign(optionsCopy, option)
var optionsCopy = {}; // Object.assign(optionsCopy, option)
for (const option in options) {
for (var option in options) {
if (options.hasOwnProperty(option)) {
optionsCopy[option] = options[option];
}
@@ -205,11 +183,29 @@ const renderMathInElement = function renderMathInElement(elem, options) {
display: false
}, // LaTeX uses $…$, but it ruins the display of normal `$` in text:
// {left: "$", right: "$", display: false},
// \[…\] must come last in this array. Otherwise, renderMathInElement
// will search for \[ before it searches for $$ or \(
// That makes it susceptible to finding a \\[0.3em] row delimiter and
// treating it as if it were the start of a KaTeX math zone.
// $ must come after $$
// Render AMS environments even if outside $$…$$ delimiters.
{
left: "\\begin{equation}",
right: "\\end{equation}",
display: true
}, {
left: "\\begin{align}",
right: "\\end{align}",
display: true
}, {
left: "\\begin{alignat}",
right: "\\end{alignat}",
display: true
}, {
left: "\\begin{gather}",
right: "\\end{gather}",
display: true
}, {
left: "\\begin{CD}",
right: "\\end{CD}",
display: true
}, {
left: "\\[",
right: "\\]",
display: true

6
static/katex/contrib/copy-tex.css
View File

@@ -6,9 +6,9 @@
*/
.katex,
.katex-display {
user-select: all;
-moz-user-select: all;
-webkit-user-select: all;
-ms-user-select: all;
-moz-user-select: all;
-ms-user-select: all;
user-select: all;
}

117
static/katex/contrib/copy-tex.js
View File

@@ -8,109 +8,11 @@
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
})((typeof self !== 'undefined' ? self : this), function() {
return /******/ (function(modules) { // webpackBootstrap
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/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
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/******/ l: false,
/******/ exports: {}
/******/ };
/******/
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/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ // mode & 4: return value when already ns object
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/******/ function getModuleExports() { return module; };
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/******/ return getter;
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
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/******/ __webpack_require__.p = "";
/******/
/******/
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/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {
return /******/ (function() { // webpackBootstrap
/******/ "use strict";
var __webpack_exports__ = {};
// extracted by mini-css-extract-plugin
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
// EXTERNAL MODULE: ./contrib/copy-tex/copy-tex.css
var copy_tex = __webpack_require__(0);
// CONCATENATED MODULE: ./contrib/copy-tex/katex2tex.js
;// CONCATENATED MODULE: ./contrib/copy-tex/katex2tex.js
// Set these to how you want inline and display math to be delimited.
var defaultCopyDelimiters = {
inline: ['$', '$'],
@@ -171,7 +73,7 @@ var katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiters)
return fragment;
};
/* harmony default export */ var katex2tex = (katexReplaceWithTex);
// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.js
;// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.js
// Global copy handler to modify behavior on .katex elements.
document.addEventListener('copy', function (event) {
@@ -200,14 +102,15 @@ document.addEventListener('copy', function (event) {
event.preventDefault();
});
// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.webpack.js
;// CONCATENATED MODULE: ./contrib/copy-tex/copy-tex.webpack.js
/**
* This is the webpack entry point for KaTeX. As ECMAScript doesn't support
* CSS modules natively, a separate entry point is used.
*/
/***/ })
/******/ ])["default"];
__webpack_exports__ = __webpack_exports__.default;
/******/ return __webpack_exports__;
/******/ })()
;
});

2
static/katex/contrib/copy-tex.min.css vendored
View File

@@ -1 +1 @@
.katex,.katex-display{user-select:all;-moz-user-select:all;-webkit-user-select:all;-ms-user-select:all}
.katex,.katex-display{-webkit-user-select:all;-moz-user-select:all;-ms-user-select:all;user-select:all}

2
static/katex/contrib/copy-tex.min.js vendored
View File

@@ -1 +1 @@
!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var n=t();for(var r in n)("object"==typeof exports?exports:e)[r]=n[r]}}("undefined"!=typeof self?self:this,function(){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=1)}([function(e,t,n){},function(e,t,n){"use strict";n.r(t);n(0);var r={inline:["$","$"],display:["$$","$$"]},o=function(e,t){void 0===t&&(t=r);for(var n=e.querySelectorAll(".katex-mathml + .katex-html"),o=0;o<n.length;o++){var l=n[o];l.remove?l.remove(null):l.parentNode.removeChild(l)}for(var i=e.querySelectorAll(".katex-mathml"),a=0;a<i.length;a++){var u=i[a],f=u.querySelector("annotation");f&&(u.replaceWith?u.replaceWith(f):u.parentNode.replaceChild(f,u),f.innerHTML=t.inline[0]+f.innerHTML+t.inline[1])}for(var c=e.querySelectorAll(".katex-display annotation"),d=0;d<c.length;d++){var p=c[d];p.innerHTML=t.display[0]+p.innerHTML.substr(t.inline[0].length,p.innerHTML.length-t.inline[0].length-t.inline[1].length)+t.display[1]}return e};document.addEventListener("copy",function(e){var t=window.getSelection();if(!t.isCollapsed){var n=t.getRangeAt(0).cloneContents();if(n.querySelector(".katex-mathml")){for(var r=[],l=0;l<n.childNodes.length;l++)r.push(n.childNodes[l].outerHTML);e.clipboardData.setData("text/html",r.join("")),e.clipboardData.setData("text/plain",o(n).textContent),e.preventDefault()}}})}]).default});
!function(e,t){if("object"==typeof exports&&"object"==typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{var n=t();for(var l in n)("object"==typeof exports?exports:e)[l]=n[l]}}("undefined"!=typeof self?self:this,(function(){return function(){"use strict";var e={},t={inline:["$","$"],display:["$$","$$"]},n=function(e,n){void 0===n&&(n=t);for(var l=e.querySelectorAll(".katex-mathml + .katex-html"),r=0;r<l.length;r++){var i=l[r];i.remove?i.remove(null):i.parentNode.removeChild(i)}for(var o=e.querySelectorAll(".katex-mathml"),a=0;a<o.length;a++){var d=o[a],f=d.querySelector("annotation");f&&(d.replaceWith?d.replaceWith(f):d.parentNode.replaceChild(f,d),f.innerHTML=n.inline[0]+f.innerHTML+n.inline[1])}for(var c=e.querySelectorAll(".katex-display annotation"),s=0;s<c.length;s++){var p=c[s];p.innerHTML=n.display[0]+p.innerHTML.substr(n.inline[0].length,p.innerHTML.length-n.inline[0].length-n.inline[1].length)+n.display[1]}return e};return document.addEventListener("copy",(function(e){var t=window.getSelection();if(!t.isCollapsed){var l=t.getRangeAt(0).cloneContents();if(l.querySelector(".katex-mathml")){for(var r=[],i=0;i<l.childNodes.length;i++)r.push(l.childNodes[i].outerHTML);e.clipboardData.setData("text/html",r.join("")),e.clipboardData.setData("text/plain",n(l).textContent),e.preventDefault()}}})),e=e.default}()}));

41
static/katex/contrib/copy-tex.mjs
View File

@@ -1,5 +1,5 @@
// Set these to how you want inline and display math to be delimited.
const defaultCopyDelimiters = {
var defaultCopyDelimiters = {
inline: ['$', '$'],
// alternative: ['\(', '\)']
display: ['$$', '$$'] // alternative: ['\[', '\]']
@@ -8,17 +8,17 @@ const defaultCopyDelimiters = {
// Modifies fragment in-place. Useful for writing your own 'copy' handler,
// as in copy-tex.js.
const katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiters) {
var katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiters) {
if (copyDelimiters === void 0) {
copyDelimiters = defaultCopyDelimiters;
}
// Remove .katex-html blocks that are preceded by .katex-mathml blocks
// (which will get replaced below).
const katexHtml = fragment.querySelectorAll('.katex-mathml + .katex-html');
var katexHtml = fragment.querySelectorAll('.katex-mathml + .katex-html');
for (let i = 0; i < katexHtml.length; i++) {
const element = katexHtml[i];
for (var i = 0; i < katexHtml.length; i++) {
var element = katexHtml[i];
if (element.remove) {
element.remove(null);
@@ -29,17 +29,18 @@ const katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiter
// descendant, with inline delimiters.
const katexMathml = fragment.querySelectorAll('.katex-mathml');
var katexMathml = fragment.querySelectorAll('.katex-mathml');
for (let i = 0; i < katexMathml.length; i++) {
const element = katexMathml[i];
const texSource = element.querySelector('annotation');
for (var _i = 0; _i < katexMathml.length; _i++) {
var _element = katexMathml[_i];
var texSource = _element.querySelector('annotation');
if (texSource) {
if (element.replaceWith) {
element.replaceWith(texSource);
if (_element.replaceWith) {
_element.replaceWith(texSource);
} else {
element.parentNode.replaceChild(texSource, element);
_element.parentNode.replaceChild(texSource, _element);
}
texSource.innerHTML = copyDelimiters.inline[0] + texSource.innerHTML + copyDelimiters.inline[1];
@@ -47,33 +48,33 @@ const katexReplaceWithTex = function katexReplaceWithTex(fragment, copyDelimiter
} // Switch display math to display delimiters.
const displays = fragment.querySelectorAll('.katex-display annotation');
var displays = fragment.querySelectorAll('.katex-display annotation');
for (let i = 0; i < displays.length; i++) {
const element = displays[i];
element.innerHTML = copyDelimiters.display[0] + element.innerHTML.substr(copyDelimiters.inline[0].length, element.innerHTML.length - copyDelimiters.inline[0].length - copyDelimiters.inline[1].length) + copyDelimiters.display[1];
for (var _i2 = 0; _i2 < displays.length; _i2++) {
var _element2 = displays[_i2];
_element2.innerHTML = copyDelimiters.display[0] + _element2.innerHTML.substr(copyDelimiters.inline[0].length, _element2.innerHTML.length - copyDelimiters.inline[0].length - copyDelimiters.inline[1].length) + copyDelimiters.display[1];
}
return fragment;
};
document.addEventListener('copy', function (event) {
const selection = window.getSelection();
var selection = window.getSelection();
if (selection.isCollapsed) {
return; // default action OK if selection is empty
}
const fragment = selection.getRangeAt(0).cloneContents();
var fragment = selection.getRangeAt(0).cloneContents();
if (!fragment.querySelector('.katex-mathml')) {
return; // default action OK if no .katex-mathml elements
} // Preserve usual HTML copy/paste behavior.
const html = [];
var html = [];
for (let i = 0; i < fragment.childNodes.length; i++) {
for (var i = 0; i < fragment.childNodes.length; i++) {
html.push(fragment.childNodes[i].outerHTML);
}

156
static/katex/contrib/mathtex-script-type.js
View File

@@ -7,106 +7,78 @@
var a = typeof exports === 'object' ? factory(require("katex")) : factory(root["katex"]);
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
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/******/ return installedModules[moduleId].exports;
/******/ if(__webpack_module_cache__[moduleId]) {
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var scripts = document.body.getElementsByTagName("script");
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} catch (err) {
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2
static/katex/contrib/mathtex-script-type.min.js vendored
View File

@@ -1 +1 @@
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6
static/katex/contrib/mathtex-script-type.mjs
View File

@@ -1,14 +1,14 @@
import katex from '../katex.mjs';
let scripts = document.body.getElementsByTagName("script");
var scripts = document.body.getElementsByTagName("script");
scripts = Array.prototype.slice.call(scripts);
scripts.forEach(function (script) {
if (!script.type || !script.type.match(/math\/tex/i)) {
return -1;
}
const display = script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null;
const katexElement = document.createElement(display ? "div" : "span");
var display = script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null;
var katexElement = document.createElement(display ? "div" : "span");
katexElement.setAttribute("class", display ? "equation" : "inline-equation");
try {

164
static/katex/contrib/mhchem.js
View File

@@ -7,106 +7,78 @@
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for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
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/* harmony import */ var katex__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(katex__WEBPACK_IMPORTED_MODULE_0__);
/* eslint-disable */
@@ -160,18 +132,18 @@ __webpack_require__.r(__webpack_exports__);
// - use "" for strings that need to stay untouched
// version: "3.3.0" for MathJax and KaTeX
// Add \ce, \pu, and \tripledash to the KaTeX macros.
katex__WEBPACK_IMPORTED_MODULE_0___default.a.__defineMacro("\\ce", function (context) {
katex__WEBPACK_IMPORTED_MODULE_0___default().__defineMacro("\\ce", function (context) {
return chemParse(context.consumeArgs(1)[0], "ce");
});
katex__WEBPACK_IMPORTED_MODULE_0___default.a.__defineMacro("\\pu", function (context) {
katex__WEBPACK_IMPORTED_MODULE_0___default().__defineMacro("\\pu", function (context) {
return chemParse(context.consumeArgs(1)[0], "pu");
}); // Needed for \bond for the ~ forms
// Raise by 2.56mu, not 2mu. We're raising a hyphen-minus, U+002D, not
// a mathematical minus, U+2212. So we need that extra 0.56.
katex__WEBPACK_IMPORTED_MODULE_0___default.a.__defineMacro("\\tripledash", "{\\vphantom{-}\\raisebox{2.56mu}{$\\mkern2mu" + "\\tiny\\text{-}\\mkern1mu\\text{-}\\mkern1mu\\text{-}\\mkern2mu$}}");
katex__WEBPACK_IMPORTED_MODULE_0___default().__defineMacro("\\tripledash", "{\\vphantom{-}\\raisebox{2.56mu}{$\\mkern2mu" + "\\tiny\\text{-}\\mkern1mu\\text{-}\\mkern1mu\\text{-}\\mkern2mu$}}");
//
// This is the main function for handing the \ce and \pu commands.
@@ -2742,9 +2714,9 @@ mhchemParser.stateMachines = {
return ret;
}
} //#endregion
}
} //#endregion
}
}; //
// texify: Take MhchemParser output and convert it to TeX
//
@@ -3235,7 +3207,9 @@ function assertNever(a) {}
function assertString(a) {}
/***/ })
/******/ ])["default"];
}();
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;
});

2
static/katex/contrib/mhchem.min.js vendored
View File

File diff suppressed because one or more lines are too long

4
static/katex/contrib/mhchem.mjs
View File

@@ -2631,9 +2631,9 @@ mhchemParser.stateMachines = {
return ret;
}
} //#endregion
}
} //#endregion
}
}; //
// texify: Take MhchemParser output and convert it to TeX
//

188
static/katex/contrib/render-a11y-string.js
View File

@@ -7,106 +7,78 @@
var a = typeof exports === 'object' ? factory(require("katex")) : factory(root["katex"]);
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
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/**
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@@ -276,7 +248,8 @@ var buildString = function buildString(str, type, a11yStrings) {
if (/^\d+$/.test(ret) && a11yStrings.length > 0 && // TODO(kevinb): check that the last item in a11yStrings is a string
// I think we might be able to drop the nested arrays, which would make
// this easier to type - $FlowFixMe
// this easier to type
// $FlowFixMe
/^\d+$/.test(a11yStrings[a11yStrings.length - 1])) {
a11yStrings[a11yStrings.length - 1] += ret;
} else if (ret) {
@@ -429,6 +402,12 @@ var handleObject = function handleObject(tree, a11yStrings, atomType) {
break;
}
case "hbox":
{
buildA11yStrings(tree.body, a11yStrings, atomType);
break;
}
case "kern":
{
// No op: we don't attempt to present kerning information
@@ -665,11 +644,24 @@ var handleObject = function handleObject(tree, a11yStrings, atomType) {
regionStrings.push("end strikeout");
});
break;
} else if (/phase/.test(tree.label)) {
buildRegion(a11yStrings, function (regionStrings) {
regionStrings.push("start phase angle");
buildA11yStrings(tree.body, regionStrings, atomType);
regionStrings.push("end phase angle");
});
break;
}
throw new Error("KaTeX-a11y: enclose node with " + tree.label + " not supported yet");
}
case "vcenter":
{
buildA11yStrings(tree.body, a11yStrings, atomType);
break;
}
case "vphantom":
{
throw new Error("KaTeX-a11y: vphantom not implemented yet");
@@ -779,6 +771,16 @@ var handleObject = function handleObject(tree, a11yStrings, atomType) {
throw new Error("KaTeX-a11y: xArrow not implemented yet");
}
case "cdlabel":
{
throw new Error("KaTeX-a11y: cdlabel not implemented yet");
}
case "cdlabelparent":
{
throw new Error("KaTeX-a11y: cdlabelparent not implemented yet");
}
case "mclass":
{
// \neq and \ne are macros so we let "htmlmathml" render the mathmal
@@ -857,14 +859,16 @@ var flatten = function flatten(array) {
};
var renderA11yString = function renderA11yString(text, settings) {
var tree = katex__WEBPACK_IMPORTED_MODULE_0___default.a.__parse(text, settings);
var tree = katex__WEBPACK_IMPORTED_MODULE_0___default().__parse(text, settings);
var a11yStrings = buildA11yStrings(tree, [], "normal");
return flatten(a11yStrings).join(", ");
};
/* harmony default export */ __webpack_exports__["default"] = (renderA11yString);
/***/ })
/******/ ])["default"];
}();
__webpack_exports__ = __webpack_exports__.default;
/******/ return __webpack_exports__;
/******/ })()
;
});

2
static/katex/contrib/render-a11y-string.min.js vendored
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File diff suppressed because one or more lines are too long

131
static/katex/contrib/render-a11y-string.mjs
View File

@@ -15,7 +15,7 @@ import katex from '../katex.mjs';
* The commas in the string aim to increase ease of understanding
* when read by a screenreader.
*/
const stringMap = {
var stringMap = {
"(": "left parenthesis",
")": "right parenthesis",
"[": "open bracket",
@@ -88,22 +88,22 @@ const stringMap = {
"\\hat": "hat",
"\\acute": "acute"
};
const powerMap = {
var powerMap = {
"prime": "prime",
"degree": "degrees",
"circle": "degrees",
"2": "squared",
"3": "cubed"
};
const openMap = {
var openMap = {
"|": "open vertical bar",
".": ""
};
const closeMap = {
var closeMap = {
"|": "close vertical bar",
".": ""
};
const binMap = {
var binMap = {
"+": "plus",
"-": "minus",
"\\pm": "plus minus",
@@ -115,7 +115,7 @@ const binMap = {
"\\circ": "circle",
"\\bullet": "bullet"
};
const relMap = {
var relMap = {
"=": "equals",
"\\approx": "approximately equals",
"≠": "does not equal",
@@ -131,7 +131,7 @@ const relMap = {
"\\Rightarrow": "right arrow",
":": "colon"
};
const accentUnderMap = {
var accentUnderMap = {
"\\underleftarrow": "left arrow",
"\\underrightarrow": "right arrow",
"\\underleftrightarrow": "left-right arrow",
@@ -140,12 +140,12 @@ const accentUnderMap = {
"\\utilde": "tilde"
};
const buildString = (str, type, a11yStrings) => {
var buildString = (str, type, a11yStrings) => {
if (!str) {
return;
}
let ret;
var ret;
if (type === "open") {
ret = str in openMap ? openMap[str] : stringMap[str] || str;
@@ -164,7 +164,8 @@ const buildString = (str, type, a11yStrings) => {
if (/^\d+$/.test(ret) && a11yStrings.length > 0 && // TODO(kevinb): check that the last item in a11yStrings is a string
// I think we might be able to drop the nested arrays, which would make
// this easier to type - $FlowFixMe
// this easier to type
// $FlowFixMe
/^\d+$/.test(a11yStrings[a11yStrings.length - 1])) {
a11yStrings[a11yStrings.length - 1] += ret;
} else if (ret) {
@@ -172,13 +173,13 @@ const buildString = (str, type, a11yStrings) => {
}
};
const buildRegion = (a11yStrings, callback) => {
const regionStrings = [];
var buildRegion = (a11yStrings, callback) => {
var regionStrings = [];
a11yStrings.push(regionStrings);
callback(regionStrings);
};
const handleObject = (tree, a11yStrings, atomType) => {
var handleObject = (tree, a11yStrings, atomType) => {
// Everything else is assumed to be an object...
switch (tree.type) {
case "accent":
@@ -211,7 +212,9 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "atom":
{
const text = tree.text;
var {
text
} = tree;
switch (tree.family) {
case "bin":
@@ -254,7 +257,7 @@ const handleObject = (tree, a11yStrings, atomType) => {
default:
{
tree.family;
throw new Error(`"${tree.family}" is not a valid atom type`);
throw new Error("\"" + tree.family + "\" is not a valid atom type");
}
}
@@ -263,7 +266,7 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "color":
{
const color = tree.color.replace(/katex-/, "");
var color = tree.color.replace(/katex-/, "");
buildRegion(a11yStrings, regionStrings => {
regionStrings.push("start color " + color);
buildA11yStrings(tree.body, regionStrings, atomType);
@@ -292,8 +295,10 @@ const handleObject = (tree, a11yStrings, atomType) => {
{
buildRegion(a11yStrings, regionStrings => {
// genfrac can have unbalanced delimiters
const leftDelim = tree.leftDelim,
rightDelim = tree.rightDelim; // NOTE: Not sure if this is a safe assumption
var {
leftDelim,
rightDelim
} = tree; // NOTE: Not sure if this is a safe assumption
// hasBarLine true -> fraction, false -> binomial
if (tree.hasBarLine) {
@@ -317,6 +322,12 @@ const handleObject = (tree, a11yStrings, atomType) => {
break;
}
case "hbox":
{
buildA11yStrings(tree.body, a11yStrings, atomType);
break;
}
case "kern":
{
// No op: we don't attempt to present kerning information
@@ -354,8 +365,10 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "op":
{
const body = tree.body,
name = tree.name;
var {
body,
name
} = tree;
if (body) {
buildA11yStrings(body, a11yStrings, atomType);
@@ -429,11 +442,13 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "sqrt":
{
buildRegion(a11yStrings, regionStrings => {
const body = tree.body,
index = tree.index;
var {
body,
index
} = tree;
if (index) {
const indexString = flatten(buildA11yStrings(index, [], atomType)).join(",");
var indexString = flatten(buildA11yStrings(index, [], atomType)).join(",");
if (indexString === "3") {
regionStrings.push("cube root of");
@@ -458,10 +473,12 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "supsub":
{
const base = tree.base,
sub = tree.sub,
sup = tree.sup;
let isLog = false;
var {
base,
sub,
sup
} = tree;
var isLog = false;
if (base) {
buildA11yStrings(base, a11yStrings, atomType);
@@ -469,17 +486,17 @@ const handleObject = (tree, a11yStrings, atomType) => {
}
if (sub) {
const regionName = isLog ? "base" : "subscript";
var regionName = isLog ? "base" : "subscript";
buildRegion(a11yStrings, function (regionStrings) {
regionStrings.push(`start ${regionName}`);
regionStrings.push("start " + regionName);
buildA11yStrings(sub, regionStrings, atomType);
regionStrings.push(`end ${regionName}`);
regionStrings.push("end " + regionName);
});
}
if (sup) {
buildRegion(a11yStrings, function (regionStrings) {
const supString = flatten(buildA11yStrings(sup, [], atomType)).join(",");
var supString = flatten(buildA11yStrings(sup, [], atomType)).join(",");
if (supString in powerMap) {
regionStrings.push(powerMap[supString]);
@@ -553,9 +570,22 @@ const handleObject = (tree, a11yStrings, atomType) => {
regionStrings.push("end strikeout");
});
break;
} else if (/phase/.test(tree.label)) {
buildRegion(a11yStrings, function (regionStrings) {
regionStrings.push("start phase angle");
buildA11yStrings(tree.body, regionStrings, atomType);
regionStrings.push("end phase angle");
});
break;
}
throw new Error(`KaTeX-a11y: enclose node with ${tree.label} not supported yet`);
throw new Error("KaTeX-a11y: enclose node with " + tree.label + " not supported yet");
}
case "vcenter":
{
buildA11yStrings(tree.body, a11yStrings, atomType);
break;
}
case "vphantom":
@@ -603,9 +633,9 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "verb":
{
buildString(`start verbatim`, "normal", a11yStrings);
buildString("start verbatim", "normal", a11yStrings);
buildString(tree.body, "normal", a11yStrings);
buildString(`end verbatim`, "normal", a11yStrings);
buildString("end verbatim", "normal", a11yStrings);
break;
}
@@ -616,9 +646,9 @@ const handleObject = (tree, a11yStrings, atomType) => {
case "horizBrace":
{
buildString(`start ${tree.label.slice(1)}`, "normal", a11yStrings);
buildString("start " + tree.label.slice(1), "normal", a11yStrings);
buildA11yStrings(tree.base, a11yStrings, atomType);
buildString(`end ${tree.label.slice(1)}`, "normal", a11yStrings);
buildString("end " + tree.label.slice(1), "normal", a11yStrings);
break;
}
@@ -667,13 +697,24 @@ const handleObject = (tree, a11yStrings, atomType) => {
throw new Error("KaTeX-a11y: xArrow not implemented yet");
}
case "cdlabel":
{
throw new Error("KaTeX-a11y: cdlabel not implemented yet");
}
case "cdlabelparent":
{
throw new Error("KaTeX-a11y: cdlabelparent not implemented yet");
}
case "mclass":
{
// \neq and \ne are macros so we let "htmlmathml" render the mathmal
// side of things and extract the text from that.
const atomType = tree.mclass.slice(1); // $FlowFixMe: drop the leading "m" from the values in mclass
var _atomType = tree.mclass.slice(1); // $FlowFixMe: drop the leading "m" from the values in mclass
buildA11yStrings(tree.body, a11yStrings, atomType);
buildA11yStrings(tree.body, a11yStrings, _atomType);
break;
}
@@ -715,13 +756,13 @@ const handleObject = (tree, a11yStrings, atomType) => {
}
};
const buildA11yStrings = function buildA11yStrings(tree, a11yStrings, atomType) {
var buildA11yStrings = function buildA11yStrings(tree, a11yStrings, atomType) {
if (a11yStrings === void 0) {
a11yStrings = [];
}
if (tree instanceof Array) {
for (let i = 0; i < tree.length; i++) {
for (var i = 0; i < tree.length; i++) {
buildA11yStrings(tree[i], a11yStrings, atomType);
}
} else {
@@ -731,8 +772,8 @@ const buildA11yStrings = function buildA11yStrings(tree, a11yStrings, atomType)
return a11yStrings;
};
const flatten = function flatten(array) {
let result = [];
var flatten = function flatten(array) {
var result = [];
array.forEach(function (item) {
if (item instanceof Array) {
result = result.concat(flatten(item));
@@ -743,10 +784,10 @@ const flatten = function flatten(array) {
return result;
};
const renderA11yString = function renderA11yString(text, settings) {
const tree = katex.__parse(text, settings);
var renderA11yString = function renderA11yString(text, settings) {
var tree = katex.__parse(text, settings);
const a11yStrings = buildA11yStrings(tree, [], "normal");
var a11yStrings = buildA11yStrings(tree, [], "normal");
return flatten(a11yStrings).join(", ");
};