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6.2.0/markdown-code/MarkdownCode.svelte ADDED
@@ -0,0 +1,241 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ <script lang="ts">
2
+ import { afterUpdate, tick, onMount } from "svelte";
3
+ import { create_marked } from "./utils";
4
+ import { sanitize } from "@gradio/sanitize";
5
+ import "./prism.css";
6
+ import { standardHtmlAndSvgTags } from "./html-tags";
7
+ import type { ThemeMode } from "@gradio/core";
8
+
9
+ export let chatbot = true;
10
+ export let message: string;
11
+ export let sanitize_html = true;
12
+ export let latex_delimiters: {
13
+ left: string;
14
+ right: string;
15
+ display: boolean;
16
+ }[] = [];
17
+ export let render_markdown = true;
18
+ export let line_breaks = true;
19
+ export let header_links = false;
20
+ export let allow_tags: string[] | boolean = false;
21
+ export let theme_mode: ThemeMode = "system";
22
+ let el: HTMLSpanElement;
23
+ let html: string;
24
+ let katex_loaded = false;
25
+
26
+ const marked = create_marked({
27
+ header_links,
28
+ line_breaks,
29
+ latex_delimiters: latex_delimiters || []
30
+ });
31
+
32
+ function has_math_syntax(text: string): boolean {
33
+ if (!latex_delimiters || latex_delimiters.length === 0) {
34
+ return false;
35
+ }
36
+
37
+ return latex_delimiters.some(
38
+ (delimiter) =>
39
+ text.includes(delimiter.left) && text.includes(delimiter.right)
40
+ );
41
+ }
42
+
43
+ function escapeRegExp(string: string): string {
44
+ return string.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
45
+ }
46
+
47
+ function escapeTags(
48
+ content: string,
49
+ tagsToEscape: string[] | boolean
50
+ ): string {
51
+ if (tagsToEscape === true) {
52
+ // https://www.w3schools.com/tags/
53
+ const tagRegex = /<\/?([a-zA-Z][a-zA-Z0-9-]*)([\s>])/g;
54
+ return content.replace(tagRegex, (match, tagName, endChar) => {
55
+ if (!standardHtmlAndSvgTags.includes(tagName.toLowerCase())) {
56
+ return match.replace(/</g, "&lt;").replace(/>/g, "&gt;");
57
+ }
58
+ return match;
59
+ });
60
+ }
61
+
62
+ if (Array.isArray(tagsToEscape)) {
63
+ const tagPattern = tagsToEscape.map((tag) => ({
64
+ open: new RegExp(`<(${tag})(\\s+[^>]*)?>`, "gi"),
65
+ close: new RegExp(`</(${tag})>`, "gi")
66
+ }));
67
+
68
+ let result = content;
69
+
70
+ tagPattern.forEach((pattern) => {
71
+ result = result.replace(pattern.open, (match) =>
72
+ match.replace(/</g, "&lt;").replace(/>/g, "&gt;")
73
+ );
74
+ result = result.replace(pattern.close, (match) =>
75
+ match.replace(/</g, "&lt;").replace(/>/g, "&gt;")
76
+ );
77
+ });
78
+ return result;
79
+ }
80
+ return content;
81
+ }
82
+
83
+ function process_message(value: string): string {
84
+ let parsedValue = value;
85
+ if (render_markdown) {
86
+ const latexBlocks: string[] = [];
87
+ latex_delimiters.forEach((delimiter, index) => {
88
+ const leftDelimiter = escapeRegExp(delimiter.left);
89
+ const rightDelimiter = escapeRegExp(delimiter.right);
90
+ const regex = new RegExp(
91
+ `${leftDelimiter}([\\s\\S]+?)${rightDelimiter}`,
92
+ "g"
93
+ );
94
+ parsedValue = parsedValue.replace(regex, (match, p1) => {
95
+ latexBlocks.push(match);
96
+ return `%%%LATEX_BLOCK_${latexBlocks.length - 1}%%%`;
97
+ });
98
+ });
99
+
100
+ parsedValue = marked.parse(parsedValue) as string;
101
+
102
+ parsedValue = parsedValue.replace(
103
+ /%%%LATEX_BLOCK_(\d+)%%%/g,
104
+ (match, p1) => latexBlocks[parseInt(p1, 10)]
105
+ );
106
+ }
107
+
108
+ if (allow_tags) {
109
+ parsedValue = escapeTags(parsedValue, allow_tags);
110
+ }
111
+
112
+ if (sanitize_html && sanitize) {
113
+ parsedValue = sanitize(parsedValue);
114
+ }
115
+ return parsedValue;
116
+ }
117
+
118
+ $: if (message && message.trim()) {
119
+ html = process_message(message);
120
+ } else {
121
+ html = "";
122
+ }
123
+
124
+ async function render_html(value: string): Promise<void> {
125
+ if (latex_delimiters.length > 0 && value && has_math_syntax(value)) {
126
+ if (!katex_loaded) {
127
+ await Promise.all([
128
+ import("katex/dist/katex.min.css"),
129
+ import("katex/contrib/auto-render")
130
+ ]).then(([, { default: render_math_in_element }]) => {
131
+ katex_loaded = true;
132
+ render_math_in_element(el, {
133
+ delimiters: latex_delimiters,
134
+ throwOnError: false
135
+ });
136
+ });
137
+ } else {
138
+ const { default: render_math_in_element } = await import(
139
+ "katex/contrib/auto-render"
140
+ );
141
+ render_math_in_element(el, {
142
+ delimiters: latex_delimiters,
143
+ throwOnError: false
144
+ });
145
+ }
146
+ }
147
+
148
+ if (el) {
149
+ const mermaidDivs = el.querySelectorAll(".mermaid");
150
+ if (mermaidDivs.length > 0) {
151
+ await tick();
152
+ const { default: mermaid } = await import("mermaid");
153
+
154
+ mermaid.initialize({
155
+ startOnLoad: false,
156
+ theme: theme_mode === "dark" ? "dark" : "default",
157
+ securityLevel: "antiscript"
158
+ });
159
+ await mermaid.run({
160
+ nodes: Array.from(mermaidDivs).map((node) => node as HTMLElement)
161
+ });
162
+ }
163
+ }
164
+ }
165
+
166
+ afterUpdate(async () => {
167
+ if (el && document.body.contains(el)) {
168
+ await render_html(message);
169
+ } else {
170
+ console.error("Element is not in the DOM");
171
+ }
172
+ });
173
+ </script>
174
+
175
+ <span class:chatbot bind:this={el} class="md" class:prose={render_markdown}>
176
+ {@html html}
177
+ </span>
178
+
179
+ <style>
180
+ span :global(div[class*="code_wrap"]) {
181
+ position: relative;
182
+ }
183
+
184
+ /* KaTeX */
185
+ span :global(span.katex) {
186
+ font-size: var(--text-lg);
187
+ direction: ltr;
188
+ }
189
+
190
+ span :global(div[class*="code_wrap"] > button) {
191
+ z-index: 1;
192
+ cursor: pointer;
193
+ border-bottom-left-radius: var(--radius-sm);
194
+ padding: var(--spacing-md);
195
+ width: 25px;
196
+ height: 25px;
197
+ position: absolute;
198
+ right: 0;
199
+ }
200
+
201
+ span :global(.check) {
202
+ opacity: 0;
203
+ z-index: var(--layer-top);
204
+ transition: opacity 0.2s;
205
+ background: var(--code-background-fill);
206
+ color: var(--body-text-color);
207
+ position: absolute;
208
+ top: var(--size-1-5);
209
+ left: var(--size-1-5);
210
+ }
211
+
212
+ span :global(p:not(:first-child)) {
213
+ margin-top: var(--spacing-xxl);
214
+ }
215
+
216
+ span :global(.md-header-anchor) {
217
+ /* position: absolute; */
218
+ margin-left: -25px;
219
+ padding-right: 8px;
220
+ line-height: 1;
221
+ color: var(--body-text-color-subdued);
222
+ opacity: 0;
223
+ }
224
+
225
+ span :global(h1:hover .md-header-anchor),
226
+ span :global(h2:hover .md-header-anchor),
227
+ span :global(h3:hover .md-header-anchor),
228
+ span :global(h4:hover .md-header-anchor),
229
+ span :global(h5:hover .md-header-anchor),
230
+ span :global(h6:hover .md-header-anchor) {
231
+ opacity: 1;
232
+ }
233
+
234
+ span.md :global(.md-header-anchor > svg) {
235
+ color: var(--body-text-color-subdued);
236
+ }
237
+
238
+ span :global(table) {
239
+ word-break: break-word;
240
+ }
241
+ </style>
6.2.0/markdown-code/html-tags.ts ADDED
@@ -0,0 +1,209 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ // https://www.w3schools.com/tags/
2
+ export const standardHtmlTags = [
3
+ "!--",
4
+ "!doctype",
5
+ "a",
6
+ "abbr",
7
+ "acronym",
8
+ "address",
9
+ "applet",
10
+ "area",
11
+ "article",
12
+ "aside",
13
+ "audio",
14
+ "b",
15
+ "base",
16
+ "basefont",
17
+ "bdi",
18
+ "bdo",
19
+ "big",
20
+ "blockquote",
21
+ "body",
22
+ "br",
23
+ "button",
24
+ "canvas",
25
+ "caption",
26
+ "center",
27
+ "cite",
28
+ "code",
29
+ "col",
30
+ "colgroup",
31
+ "data",
32
+ "datalist",
33
+ "dd",
34
+ "del",
35
+ "details",
36
+ "dfn",
37
+ "dialog",
38
+ "dir",
39
+ "div",
40
+ "dl",
41
+ "dt",
42
+ "em",
43
+ "embed",
44
+ "fieldset",
45
+ "figcaption",
46
+ "figure",
47
+ "font",
48
+ "footer",
49
+ "form",
50
+ "frame",
51
+ "frameset",
52
+ "h1",
53
+ "h2",
54
+ "h3",
55
+ "h4",
56
+ "h5",
57
+ "h6",
58
+ "head",
59
+ "header",
60
+ "hgroup",
61
+ "hr",
62
+ "html",
63
+ "i",
64
+ "iframe",
65
+ "img",
66
+ "input",
67
+ "ins",
68
+ "kbd",
69
+ "label",
70
+ "legend",
71
+ "li",
72
+ "link",
73
+ "main",
74
+ "map",
75
+ "mark",
76
+ "menu",
77
+ "meta",
78
+ "meter",
79
+ "nav",
80
+ "noframes",
81
+ "noscript",
82
+ "object",
83
+ "ol",
84
+ "optgroup",
85
+ "option",
86
+ "output",
87
+ "p",
88
+ "param",
89
+ "picture",
90
+ "pre",
91
+ "progress",
92
+ "q",
93
+ "rp",
94
+ "rt",
95
+ "ruby",
96
+ "s",
97
+ "samp",
98
+ "script",
99
+ "search",
100
+ "section",
101
+ "select",
102
+ "small",
103
+ "source",
104
+ "span",
105
+ "strike",
106
+ "strong",
107
+ "style",
108
+ "sub",
109
+ "summary",
110
+ "sup",
111
+ "svg",
112
+ "table",
113
+ "tbody",
114
+ "td",
115
+ "template",
116
+ "textarea",
117
+ "tfoot",
118
+ "th",
119
+ "thead",
120
+ "time",
121
+ "title",
122
+ "tr",
123
+ "track",
124
+ "tt",
125
+ "u",
126
+ "ul",
127
+ "var",
128
+ "video",
129
+ "wbr"
130
+ ];
131
+
132
+ // SVG tags
133
+ export const svgTags = [
134
+ // Base structural elements
135
+ "g",
136
+ "defs",
137
+ "use",
138
+ "symbol",
139
+
140
+ // Shape elements
141
+ "rect",
142
+ "circle",
143
+ "ellipse",
144
+ "line",
145
+ "polyline",
146
+ "polygon",
147
+ "path",
148
+ "image",
149
+
150
+ // Text elements
151
+ "text",
152
+ "tspan",
153
+ "textPath",
154
+
155
+ // Gradient and effects
156
+ "linearGradient",
157
+ "radialGradient",
158
+ "stop",
159
+ "pattern",
160
+ "clipPath",
161
+ "mask",
162
+ "filter",
163
+
164
+ // Filter effects
165
+ "feBlend",
166
+ "feColorMatrix",
167
+ "feComponentTransfer",
168
+ "feComposite",
169
+ "feConvolveMatrix",
170
+ "feDiffuseLighting",
171
+ "feDisplacementMap",
172
+ "feGaussianBlur",
173
+ "feMerge",
174
+ "feMorphology",
175
+ "feOffset",
176
+ "feSpecularLighting",
177
+ "feTurbulence",
178
+ "feMergeNode",
179
+ "feFuncR",
180
+ "feFuncG",
181
+ "feFuncB",
182
+ "feFuncA",
183
+ "feDistantLight",
184
+ "fePointLight",
185
+ "feSpotLight",
186
+ "feFlood",
187
+ "feTile",
188
+
189
+ // Animation elements
190
+ "animate",
191
+ "animateTransform",
192
+ "animateMotion",
193
+ "mpath",
194
+ "set",
195
+
196
+ // Interactive and other elements
197
+ "view",
198
+ "cursor",
199
+ "foreignObject",
200
+ "desc",
201
+ "title",
202
+ "metadata",
203
+ "switch"
204
+ ];
205
+
206
+ export const standardHtmlAndSvgTags = [
207
+ ...standardHtmlTags,
208
+ ...svgTags.filter((tag) => !standardHtmlTags.includes(tag))
209
+ ];
6.2.0/markdown-code/index.ts ADDED
@@ -0,0 +1 @@
 
 
1
+ export { default as MarkdownCode } from "./MarkdownCode.svelte";
6.2.0/markdown-code/package.json ADDED
@@ -0,0 +1,42 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "name": "@gradio/markdown-code",
3
+ "version": "0.6.0",
4
+ "description": "Gradio UI packages",
5
+ "type": "module",
6
+ "author": "",
7
+ "license": "ISC",
8
+ "private": false,
9
+ "main_changeset": true,
10
+ "main": "Index.svelte",
11
+ "exports": {
12
+ ".": {
13
+ "gradio": "./index.ts",
14
+ "svelte": "./dist/index.js",
15
+ "types": "./dist/index.d.ts"
16
+ },
17
+ "./package.json": "./package.json"
18
+ },
19
+ "dependencies": {
20
+ "@gradio/sanitize": "workspace:^",
21
+ "@types/katex": "^0.16.7",
22
+ "@types/prismjs": "1.26.5",
23
+ "github-slugger": "^2.0.0",
24
+ "katex": "^0.16.23",
25
+ "marked": "^12.0.0",
26
+ "marked-gfm-heading-id": "^3.1.2",
27
+ "marked-highlight": "^2.0.1",
28
+ "mermaid": "^11.12.0",
29
+ "prismjs": "^1.30.0"
30
+ },
31
+ "devDependencies": {
32
+ "@gradio/preview": "workspace:^"
33
+ },
34
+ "peerDependencies": {
35
+ "svelte": "^5.43.4"
36
+ },
37
+ "repository": {
38
+ "type": "git",
39
+ "url": "git+https://github.com/gradio-app/gradio.git",
40
+ "directory": "js/markdown"
41
+ }
42
+ }
6.2.0/markdown-code/utils.ts ADDED
@@ -0,0 +1,304 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import { type Renderer, Marked } from "marked";
2
+ import { markedHighlight } from "marked-highlight";
3
+ import { gfmHeadingId } from "marked-gfm-heading-id";
4
+ import * as Prism from "prismjs";
5
+ import "prismjs/components/prism-python";
6
+ import "prismjs/components/prism-latex";
7
+ import "prismjs/components/prism-bash";
8
+ // Add additional Prism languages here
9
+ import "prismjs/components/prism-c";
10
+ import "prismjs/components/prism-cpp";
11
+ import "prismjs/components/prism-json";
12
+ import "prismjs/components/prism-sql";
13
+ import "prismjs/components/prism-java";
14
+ import "prismjs/components/prism-go";
15
+ import "prismjs/components/prism-rust";
16
+ import "prismjs/components/prism-php";
17
+ import "prismjs/components/prism-yaml";
18
+ import "prismjs/components/prism-markup-templating";
19
+ import GithubSlugger from "github-slugger";
20
+
21
+ const LINK_ICON_CODE = `<svg class="md-link-icon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true" fill="currentColor"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>`;
22
+
23
+ const COPY_ICON_CODE = `
24
+ <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 15 15" color="currentColor" aria-hidden="true" aria-label="Copy" stroke-width="1.3" width="15" height="15">
25
+ <path fill="currentColor" d="M12.728 4.545v8.182H4.545V4.545zm0 -0.909H4.545a0.909 0.909 0 0 0 -0.909 0.909v8.182a0.909 0.909 0 0 0 0.909 0.909h8.182a0.909 0.909 0 0 0 0.909 -0.909V4.545a0.909 0.909 0 0 0 -0.909 -0.909"/>
26
+ <path fill="currentColor" d="M1.818 8.182H0.909V1.818a0.909 0.909 0 0 1 0.909 -0.909h6.364v0.909H1.818Z"/>
27
+ </svg>
28
+
29
+ `;
30
+
31
+ const CHECK_ICON_CODE = `<svg xmlns="http://www.w3.org/2000/svg" width="17" height="17" viewBox="0 0 17 17" aria-hidden="true" aria-label="Copied" fill="none" stroke="currentColor" stroke-width="1.3">
32
+ <path d="m13.813 4.781 -7.438 7.438 -3.188 -3.188"/>
33
+ </svg>
34
+ `;
35
+
36
+ const COPY_BUTTON_CODE = `<button title="copy" class="copy_code_button">
37
+ <span class="copy-text">${COPY_ICON_CODE}</span>
38
+ <span class="check">${CHECK_ICON_CODE}</span>
39
+ </button>`;
40
+
41
+ const escape_test = /[&<>"']/;
42
+ const escape_replace = new RegExp(escape_test.source, "g");
43
+ const escape_test_no_encode =
44
+ /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/;
45
+ const escape_replace_no_encode = new RegExp(escape_test_no_encode.source, "g");
46
+ const escape_replacements: Record<string, any> = {
47
+ "&": "&amp;",
48
+ "<": "&lt;",
49
+ ">": "&gt;",
50
+ '"': "&quot;",
51
+ "'": "&#39;"
52
+ };
53
+
54
+ const get_escape_replacement = (ch: string): string =>
55
+ escape_replacements[ch] || "";
56
+
57
+ function escape(html: string, encode?: boolean): string {
58
+ if (encode) {
59
+ if (escape_test.test(html)) {
60
+ return html.replace(escape_replace, get_escape_replacement);
61
+ }
62
+ } else {
63
+ if (escape_test_no_encode.test(html)) {
64
+ return html.replace(escape_replace_no_encode, get_escape_replacement);
65
+ }
66
+ }
67
+
68
+ return html;
69
+ }
70
+ interface Tokenizer {
71
+ name: string;
72
+ level: string;
73
+ start: (src: string) => number | undefined;
74
+ tokenizer: (src: string, tokens: any) => any;
75
+ renderer: (token: any) => string;
76
+ }
77
+
78
+ function createLatexTokenizer(
79
+ delimiters: { left: string; right: string; display: boolean }[]
80
+ ): Tokenizer {
81
+ const delimiterPatterns = delimiters.map((delimiter) => ({
82
+ start: new RegExp(delimiter.left.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&")),
83
+ end: new RegExp(delimiter.right.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&"))
84
+ }));
85
+
86
+ return {
87
+ name: "latex",
88
+ level: "block",
89
+ start(src: string) {
90
+ for (const pattern of delimiterPatterns) {
91
+ const match = src.match(pattern.start);
92
+ if (match) {
93
+ return match.index;
94
+ }
95
+ }
96
+ return -1;
97
+ },
98
+ tokenizer(src: string, tokens: any) {
99
+ for (const pattern of delimiterPatterns) {
100
+ const match = new RegExp(
101
+ `${pattern.start.source}([\\s\\S]+?)${pattern.end.source}`
102
+ ).exec(src);
103
+ if (match) {
104
+ return {
105
+ type: "latex",
106
+ raw: match[0],
107
+ text: match[1].trim()
108
+ };
109
+ }
110
+ }
111
+ },
112
+ renderer(token: any) {
113
+ return `<div class="latex-block">${token.text}</div>`;
114
+ }
115
+ };
116
+ }
117
+
118
+ function createMermaidTokenizer(): Tokenizer {
119
+ return {
120
+ name: "mermaid",
121
+ level: "block",
122
+ start(src) {
123
+ return src.match(/^```mermaid\s*\n/)?.index;
124
+ },
125
+ tokenizer(src) {
126
+ const match = /^```mermaid\s*\n([\s\S]*?)```\s*(?:\n|$)/.exec(src);
127
+ if (match) {
128
+ return {
129
+ type: "mermaid",
130
+ raw: match[0],
131
+ text: match[1].trim()
132
+ };
133
+ }
134
+ return undefined;
135
+ },
136
+ renderer(token) {
137
+ return `<div class="mermaid">${token.text}</div>\n`;
138
+ }
139
+ };
140
+ }
141
+
142
+ const renderer: Partial<Omit<Renderer, "constructor" | "options">> = {
143
+ code(
144
+ this: Renderer,
145
+ code: string,
146
+ infostring: string | undefined,
147
+ escaped: boolean
148
+ ) {
149
+ const lang = (infostring ?? "").match(/\S*/)?.[0] ?? "";
150
+ code = code.replace(/\n$/, "") + "\n";
151
+
152
+ if (!lang || lang === "mermaid") {
153
+ // We include lang === "mermaid" to handle mermaid blocks that don't match our custom tokenizer
154
+ // (i.e., those without closing ```). This handles mermaid blocks that have started streaming
155
+ // but haven't finished yet.
156
+ return (
157
+ '<div class="code_wrap">' +
158
+ COPY_BUTTON_CODE +
159
+ "<pre><code>" +
160
+ (escaped ? code : escape(code, true)) +
161
+ "</code></pre></div>\n"
162
+ );
163
+ }
164
+ return (
165
+ '<div class="code_wrap">' +
166
+ COPY_BUTTON_CODE +
167
+ '<pre><code class="' +
168
+ "language-" +
169
+ escape(lang) +
170
+ '">' +
171
+ (escaped ? code : escape(code, true)) +
172
+ "</code></pre></div>\n"
173
+ );
174
+ }
175
+ };
176
+
177
+ const slugger = new GithubSlugger();
178
+
179
+ export function create_marked({
180
+ header_links,
181
+ line_breaks,
182
+ latex_delimiters
183
+ }: {
184
+ header_links: boolean;
185
+ line_breaks: boolean;
186
+ latex_delimiters: { left: string; right: string; display: boolean }[];
187
+ }): typeof marked {
188
+ const marked = new Marked();
189
+ marked.use(
190
+ {
191
+ gfm: true,
192
+ pedantic: false,
193
+ breaks: line_breaks
194
+ },
195
+ markedHighlight({
196
+ highlight: (code: string, lang: string) => {
197
+ if (Prism?.languages?.[lang]) {
198
+ return Prism.highlight(code, Prism.languages[lang], lang);
199
+ }
200
+ return code;
201
+ }
202
+ }),
203
+ { renderer }
204
+ );
205
+
206
+ if (header_links) {
207
+ marked.use(gfmHeadingId());
208
+ marked.use({
209
+ extensions: [
210
+ {
211
+ name: "heading",
212
+ level: "block",
213
+ renderer(token) {
214
+ const raw = token.raw
215
+ .toLowerCase()
216
+ .trim()
217
+ .replace(/<[!\/a-z].*?>/gi, "");
218
+ const id = "h" + slugger.slug(raw);
219
+ const level = token.depth;
220
+ const text = this.parser.parseInline(token.tokens!);
221
+
222
+ return `<h${level} id="${id}"><a class="md-header-anchor" href="#${id}">${LINK_ICON_CODE}</a>${text}</h${level}>\n`;
223
+ }
224
+ }
225
+ ]
226
+ });
227
+ }
228
+
229
+ const mermaidTokenizer = createMermaidTokenizer();
230
+ const latexTokenizer = createLatexTokenizer(latex_delimiters);
231
+
232
+ marked.use({
233
+ extensions: [mermaidTokenizer, latexTokenizer]
234
+ });
235
+
236
+ return marked;
237
+ }
238
+
239
+ export function copy(node: HTMLDivElement): any {
240
+ node.addEventListener("click", handle_copy);
241
+
242
+ async function handle_copy(event: MouseEvent): Promise<void> {
243
+ const path = event.composedPath() as HTMLButtonElement[];
244
+
245
+ const [copy_button] = path.filter(
246
+ (e) => e?.tagName === "BUTTON" && e.classList.contains("copy_code_button")
247
+ );
248
+
249
+ if (copy_button) {
250
+ event.stopImmediatePropagation();
251
+
252
+ const copy_text = copy_button.parentElement!.innerText.trim();
253
+ const copy_sucess_button = Array.from(
254
+ copy_button.children
255
+ )[1] as HTMLDivElement;
256
+
257
+ const copied = await copy_to_clipboard(copy_text);
258
+
259
+ if (copied) copy_feedback(copy_sucess_button);
260
+
261
+ function copy_feedback(_copy_sucess_button: HTMLDivElement): void {
262
+ _copy_sucess_button.style.opacity = "1";
263
+ setTimeout(() => {
264
+ _copy_sucess_button.style.opacity = "0";
265
+ }, 2000);
266
+ }
267
+ }
268
+ }
269
+
270
+ return {
271
+ destroy(): void {
272
+ node.removeEventListener("click", handle_copy);
273
+ }
274
+ };
275
+ }
276
+
277
+ async function copy_to_clipboard(value: string): Promise<boolean> {
278
+ let copied = false;
279
+ if ("clipboard" in navigator) {
280
+ await navigator.clipboard.writeText(value);
281
+ copied = true;
282
+ } else {
283
+ const textArea = document.createElement("textarea");
284
+ textArea.value = value;
285
+
286
+ textArea.style.position = "absolute";
287
+ textArea.style.left = "-999999px";
288
+
289
+ document.body.prepend(textArea);
290
+ textArea.select();
291
+
292
+ try {
293
+ document.execCommand("copy");
294
+ copied = true;
295
+ } catch (error) {
296
+ console.error(error);
297
+ copied = false;
298
+ } finally {
299
+ textArea.remove();
300
+ }
301
+ }
302
+
303
+ return copied;
304
+ }