remove files
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class HighlightLines {
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constructor(rangeStr) {
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this.highlights = this.convertRangeToHash(rangeStr);
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}
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convertRangeToHash(rangeStr) {
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let hash = {};
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if( !rangeStr ) {
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return hash;
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}
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let ranges = rangeStr.split(",").map(function(range) {
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return range.trim();
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});
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for(let range of ranges) {
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let startFinish = range.split('-');
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let start = parseInt(startFinish[0], 10);
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let end = parseInt(startFinish[1] || start, 10);
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for( let j = start, k = end; j<=k; j++ ) {
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hash[j] = true;
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}
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}
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return hash;
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}
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isHighlighted(lineNumber) {
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return !!this.highlights[lineNumber];
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}
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}
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module.exports = HighlightLines;
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const HighlightLines = require("./HighlightLines");
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class HighlightLinesGroup {
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constructor(str, delimiter) {
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this.init(str, delimiter);
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}
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init(str = "", delimiter = " ") {
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this.str = str;
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this.delimiter = delimiter;
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let split = str.split(this.delimiter);
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this.highlights = new HighlightLines(split.length === 1 ? split[0] : "");
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this.highlightsAdd = new HighlightLines(split.length === 2 ? split[0] : "");
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this.highlightsRemove = new HighlightLines(split.length === 2 ? split[1] : "");
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}
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isHighlighted(lineNumber) {
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return this.highlights.isHighlighted(lineNumber);
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}
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isHighlightedAdd(lineNumber) {
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return this.highlightsAdd.isHighlighted(lineNumber);
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}
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isHighlightedRemove(lineNumber) {
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return this.highlightsRemove.isHighlighted(lineNumber);
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}
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hasTagMismatch(line) {
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let startCount = line.split("<span").length;
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let endCount = line.split("</span").length;
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if( startCount !== endCount ) {
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return true;
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}
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return false;
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}
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splitLineMarkup(line, before, after) {
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// skip line highlighting if there is an uneven number of <span> or </span> on the line.
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// for example, we can’t wrap <span> with <span><span></span>
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if(this.hasTagMismatch(line)) {
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return line;
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}
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return before + line + after;
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}
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getLineMarkup(lineNumber, line, extraClasses = []) {
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let extraClassesStr = (extraClasses.length ? " " + extraClasses.join(" ") : "");
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if (this.isHighlighted(lineNumber)) {
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return this.splitLineMarkup(line, `<mark class="highlight-line highlight-line-active${extraClassesStr}">`, `</mark>`);
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}
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if (this.isHighlightedAdd(lineNumber)) {
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return this.splitLineMarkup(line, `<ins class="highlight-line highlight-line-add${extraClassesStr}">`, `</ins>`);
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}
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if (this.isHighlightedRemove(lineNumber)) {
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return this.splitLineMarkup(line, `<del class="highlight-line highlight-line-remove${extraClassesStr}">`, `</del>`);
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}
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return this.splitLineMarkup( line, `<span class="highlight-line${extraClassesStr}">`, `</span>`);
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}
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}
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module.exports = HighlightLinesGroup;
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const Prism = require("prismjs");
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const PrismLoader = require("prismjs/components/index.js");
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// Avoid "Language does not exist: " console logs
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PrismLoader.silent = true;
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const PrismAlias = require("./PrismNormalizeAlias");
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module.exports = function(language) {
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let diffRemovedRawName = language;
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if(language.startsWith("diff-")) {
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diffRemovedRawName = language.substr("diff-".length);
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}
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// aliasing should ignore diff-
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let aliasedName = PrismAlias(diffRemovedRawName);
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if(!Prism.languages[ aliasedName ]) {
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PrismLoader(aliasedName);
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}
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if(!Prism.languages[ aliasedName ]) {
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throw new Error(`"${language}" is not a valid Prism.js language for eleventy-plugin-syntaxhighlight`);
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}
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if(!language.startsWith("diff-")) {
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return Prism.languages[ aliasedName ];
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}
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// language has diff- prefix
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let fullLanguageName = `diff-${aliasedName}`;
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if(!Prism.languages.diff) {
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PrismLoader("diff");
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// Bundled Plugin
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require("prismjs/plugins/diff-highlight/prism-diff-highlight");
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}
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// Store into with aliased keys
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// ts -> diff-typescript
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// js -> diff-javascript
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Prism.languages[ fullLanguageName ] = Prism.languages.diff;
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return Prism.languages[ fullLanguageName ];
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};
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@ -1,42 +0,0 @@
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const Prism = require("prismjs");
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const HARDCODED_ALIASES = {
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njk: "jinja2",
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nunjucks: "jinja2",
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};
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// This was added to make `ts` resolve to `typescript` correctly.
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// The Prism loader doesn’t seem to always handle aliasing correctly.
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module.exports = function(language) {
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try {
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// Careful this is not public API stuff:
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// https://github.com/PrismJS/prism/issues/2146
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const PrismComponents = require("prismjs/components.json");
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let langs = PrismComponents.languages;
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// Manual override
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if(HARDCODED_ALIASES[language]) {
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language = HARDCODED_ALIASES[language];
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}
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if(langs[ language ]) {
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return language;
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}
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for(let langName in langs) {
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if(Array.isArray(langs[langName].alias)) {
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for(let alias of langs[langName].alias) {
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if(alias === language) {
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return langName;
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}
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}
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} else if(langs[langName].alias === language) {
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return langName;
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}
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}
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} catch(e) {
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// Couldn’t find the components file, aliases may not resolve correctly
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// See https://github.com/11ty/eleventy-plugin-syntaxhighlight/issues/19
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}
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return language;
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}
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function attributeEntryToString(attribute, context) {
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let [key, value] = attribute;
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if (typeof value === "function") { // Callback must return a string or a number
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value = value(context); // Run the provided callback and store the result
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}
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if (typeof value !== "string" && typeof value !== "number") {
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throw new Error(
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`Attribute "${key}" must have, or evaluate to, a value of type string or number, not "${typeof value}".`
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);
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}
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return `${key}="${value}"`;
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}
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/**
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* ## Usage
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* The function `getAttributes` is used to convert an object, `attributes`, with HTML attributes as keys and the values as the corresponding HTML attribute's values.
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* If it is falsey, an empty string will be returned.
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*
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* ```js
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getAttributes({
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tabindex: 0,
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'data-language': function (context) { return context.language; },
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'data-otherStuff': 'value'
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}) // => ' tabindex="0" data-language="JavaScript" data-otherStuff="value"'
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```
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*
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* @param {{[s: string]: string | number}} attributes An object with key-value pairs that represent attributes.
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* @param {object} context An object with the current context.
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* @param {string} context.content The code to parse and highlight.
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* @param {string} context.language The language for the current instance.
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* @param {object} context.options The options passed to the syntax highlighter.
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* @returns {string} A string containing the above HTML attributes preceded by a single space.
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*/
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function getAttributes(attributes, context = {}) {
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let langClass = context.language ? `language-${context.language}` : "";
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if (!attributes) {
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return langClass ? ` class="${langClass}"` : "";
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} else if (typeof attributes === "object") {
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if(!("class" in attributes) && langClass) {
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// class attribute should be first in order
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let tempAttrs = { class: langClass };
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for(let key in attributes) {
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tempAttrs[key] = attributes[key];
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}
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attributes = tempAttrs;
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}
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const formattedAttributes = Object.entries(attributes).map(
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entry => attributeEntryToString(entry, context)
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);
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return formattedAttributes.length ? ` ${formattedAttributes.join(" ")}` : "";
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} else if (typeof attributes === "string") {
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throw new Error("Syntax highlighter plugin custom attributes on <pre> and <code> must be an object. Received: " + JSON.stringify(attributes));
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}
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}
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module.exports = getAttributes;
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