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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 fragment = document.createDocumentFragment(); for (var i = 0; i < data.length; i++) { if (data[i].type === "text") { fragment.appendChild(document.createTextNode(data[i].data)); } else { 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; try { external_katex_default.a.render(math, span, optionsCopy); } catch (e) { if (!(e instanceof external_katex_default.a.ParseError)) { throw e; } optionsCopy.errorCallback("KaTeX auto-render: Failed to parse `" + data[i].data + "` with ", e); fragment.appendChild(document.createTextNode(data[i].rawData)); continue; } fragment.appendChild(span); } } return fragment; }; 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 var frag = auto_render_renderMathInText(childNode.textContent, optionsCopy); i += frag.childNodes.length - 1; elem.replaceChild(frag, childNode); } else if (childNode.nodeType === 1) { (function () { // Element node var className = ' ' + childNode.className + ' '; var shouldRender = optionsCopy.ignoredTags.indexOf(childNode.nodeName.toLowerCase()) === -1 && optionsCopy.ignoredClasses.every(function (x) { return className.indexOf(' ' + x + ' ') === -1; }); if (shouldRender) { renderElem(childNode, optionsCopy); } })(); } // Otherwise, it's something else, and ignore it. } }; var renderMathInElement = function renderMathInElement(elem, options) { if (!elem) { throw new Error("No element provided to render"); } var optionsCopy = {}; // Object.assign(optionsCopy, option) for (var option in options) { if (options.hasOwnProperty(option)) { optionsCopy[option] = options[option]; } } // default options optionsCopy.delimiters = optionsCopy.delimiters || [{ left: "$$", right: "$$", display: true }, { left: "\\(", right: "\\)", 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. { left: "\\[", right: "\\]", display: true }]; optionsCopy.ignoredTags = optionsCopy.ignoredTags || ["script", "noscript", "style", "textarea", "pre", "code"]; optionsCopy.ignoredClasses = optionsCopy.ignoredClasses || []; optionsCopy.errorCallback = optionsCopy.errorCallback || console.error; // Enable sharing of global macros defined via `\gdef` between different // math elements within a single call to `renderMathInElement`. optionsCopy.macros = optionsCopy.macros || {}; renderElem(elem, optionsCopy); }; /* harmony default export */ var auto_render = __webpack_exports__["default"] = (renderMathInElement); /***/ }) /******/ ])["default"]; });