zulip/web/tests/copy_and_paste.test.js

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"use strict";
const {strict: assert} = require("assert");
const {zrequire} = require("./lib/namespace");
const {run_test} = require("./lib/test");
const {page_params} = require("./lib/zpage_params");
const copy_and_paste = zrequire("copy_and_paste");
run_test("maybe_transform_html", () => {
// Copied HTML from VS Code
let paste_html = `<div style="color: #cccccc;background-color: #1f1f1f;font-family: 'Droid Sans Mono', 'monospace', monospace;font-weight: normal;font-size: 14px;line-height: 19px;white-space: pre;"><div><span style="color: #c586c0;">if</span><span style="color: #cccccc;"> (</span><span style="color: #9cdcfe;">$preview_src</span><span style="color: #cccccc;">.</span><span style="color: #dcdcaa;">endsWith</span><span style="color: #cccccc;">(</span><span style="color: #ce9178;">"&amp;size=full"</span><span style="color: #cccccc;">))</span></div></div>`;
let paste_text = `if ($preview_src.endsWith("&size=full"))`;
const escaped_paste_text = "if ($preview_src.endsWith(&quot;&amp;size=full&quot;))";
const expected_output = "<pre><code>" + escaped_paste_text + "</code></pre>";
assert.equal(copy_and_paste.maybe_transform_html(paste_html, paste_text), expected_output);
// Untransformed HTML
paste_html = "<div><div>Hello</div><div>World!</div></div>";
paste_text = "Hello\nWorld!";
assert.equal(copy_and_paste.maybe_transform_html(paste_html, paste_text), paste_html);
});
run_test("paste_handler_converter", () => {
page_params.development_environment = true;
/*
Pasting from another Zulip message
*/
// Bold text
let input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;"><span> </span>love the<span> </span><b>Zulip</b><b> </b></span><b style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">Organization</b><span style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">.</span>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
" love the **Zulip** **Organization**.",
);
// Inline code
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">The<span> </span></span><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, Courier, monospace; font-size: 13.6px; padding: 0.2em 0.4em; margin: 0px; background-color: hsla(210, 13%, 12%, 0.05); border-radius: 3px; color: hsl(210, 12%, 16%); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">JSDOM</code><span style="color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span> </span>constructor</span>';
assert.equal(copy_and_paste.paste_handler_converter(input), "The `JSDOM` constructor");
// A python code block
input = `<meta http-equiv="content-type" content="text/html; charset=utf-8"><p>zulip code block in python</p><div class="codehilite zulip-code-block" data-code-language="Python"><pre><span></span><code><span class="nb">print</span><span class="p">(</span><span class="s2">"hello"</span><span class="p">)</span>\n<span class="nb">print</span><span class="p">(</span><span class="s2">"world"</span><span class="p">)</span></code></pre></div></meta>`;
assert.equal(
copy_and_paste.paste_handler_converter(input),
'zulip code block in python\n\n```Python\nprint("hello")\nprint("world")\n```',
);
// Single line in a code block
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><pre><code>single line</code></pre>';
assert.equal(copy_and_paste.paste_handler_converter(input), "`single line`");
// Raw links without custom text
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><a href="https://zulip.readthedocs.io/en/latest/subsystems/logging.html" target="_blank" title="https://zulip.readthedocs.io/en/latest/subsystems/logging.html" style="color: hsl(200, 100%, 40%); text-decoration: none; cursor: pointer; font-family: &quot;Source Sans 3&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%);">https://zulip.readthedocs.io/en/latest/subsystems/logging.html</a>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"https://zulip.readthedocs.io/en/latest/subsystems/logging.html",
);
// Links with custom text
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><a class="reference external" href="https://zulip.readthedocs.io/en/latest/contributing/contributing.html" style="box-sizing: border-box; color: hsl(283, 39%, 53%); text-decoration: none; cursor: pointer; outline: 0px; font-family: Lato, proxima-nova, &quot;Helvetica Neue&quot;, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 99%);">Contributing guide</a>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"[Contributing guide](https://zulip.readthedocs.io/en/latest/contributing/contributing.html)",
);
// Only numbered list (list style retained)
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><ol><li>text</li></ol>';
assert.equal(copy_and_paste.paste_handler_converter(input), "1. text");
// Heading
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><h1 style="box-sizing: border-box; font-size: 2em; margin-top: 0px !important; margin-right: 0px; margin-bottom: 16px; margin-left: 0px; font-weight: 600; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid hsl(216, 14%, 93%); color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">Zulip overview</h1><p>normal text</p>';
assert.equal(copy_and_paste.paste_handler_converter(input), "# Zulip overview\n\nnormal text");
// Only heading (strip heading style)
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><h1 style="box-sizing: border-box; font-size: 2em; margin-top: 0px !important; margin-right: 0px; margin-bottom: 16px; margin-left: 0px; font-weight: 600; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid hsl(216, 14%, 93%); color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">Zulip overview</h1>';
assert.equal(copy_and_paste.paste_handler_converter(input), "Zulip overview");
// Italic text
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8">normal text <i style="box-sizing: inherit; color: hsl(0, 0%, 0%); font-family: Verdana, sans-serif; font-size: 15px; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">This text is italic</i>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"normal text *This text is italic*",
);
// Strikethrough text
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8">normal text <del style="box-sizing: inherit; color: hsl(0, 0%, 0%); font-family: Verdana, sans-serif; font-size: 15px; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">This text is struck through</del>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"normal text ~~This text is struck through~~",
);
// Emojis
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: rgb(221, 222, 238); font-family: &quot;Source Sans 3&quot;, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">emojis:<span> </span></span><span aria-label="smile" class="emoji emoji-1f642" role="img" title="smile" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 55% 46.667%; display: inline-block; background-image: url(&quot;http://localhost:9991/webpack/files/srv/zulip-npm-cache/287cb53c1a095fe79651f095d5d8d60f7060baa7/node_modules/emoji-datasource-google/img/google/sheets-256/64.png&quot;); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: &quot;Source Sans 3&quot;, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:smile:</span><span style="color: rgb(221, 222, 238); font-family: &quot;Source Sans 3&quot;, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span> </span></span><span aria-label="family man woman girl" class="emoji emoji-1f468-200d-1f469-200d-1f467" role="img" title="family man woman girl" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 23.333% 75%; display: inline-block; background-image: url(&quot;http://localhost:9991/webpack/files/srv/zulip-npm-cache/287cb53c1a095fe79651f095d5d8d60f7060baa7/node_modules/emoji-datasource-google/img/google/sheets-256/64.png&quot;); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: &quot;Source Sans 3&quot;, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:family_man_woman_girl:</span>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"emojis: :smile: :family_man_woman_girl:",
);
// Nested lists
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><ul style="padding: 0px; margin: 0px 0px 5px 20px; color: rgb(221, 222, 238); font-family: &quot;Source Sans 3&quot;, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="line-height: inherit;">bulleted</li><li style="line-height: inherit;">nested<ul style="padding: 0px; margin: 2px 0px 5px 20px;"><li style="line-height: inherit;">nested level 1</li><li style="line-height: inherit;">nested level 1 continue<ul style="padding: 0px; margin: 2px 0px 5px 20px;"><li style="line-height: inherit;">nested level 2</li><li style="line-height: inherit;">nested level 2 continue</li></ul></li></ul></li></ul>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
"* bulleted\n* nested\n * nested level 1\n * nested level 1 continue\n * nested level 2\n * nested level 2 continue",
);
// 2 paragraphs with line break/s in between
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><p>paragraph 1</p><br><p>paragraph 2</p>';
assert.equal(copy_and_paste.paste_handler_converter(input), "paragraph 1\n\nparagraph 2");
// Pasting from external sources
// Pasting list from GitHub
input =
'<div class="preview-content"><div class="comment"><div class="comment-body markdown-body js-preview-body" style="min-height: 131px;"><p>Test list:</p><ul><li>Item 1</li><li>Item 2</li></ul></div></div></div>';
assert.equal(copy_and_paste.paste_handler_converter(input), "Test list:\n* Item 1\n* Item 2");
// Pasting list from VS Code
input =
'<div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z ace-ltr focused-line" dir="auto" id="editor-3-ace-line-41"><span>Test list:</span></div><div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z line-list-type-bullet ace-ltr" dir="auto" id="editor-3-ace-line-42"><ul class="listtype-bullet listindent1 list-bullet1"><li><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="end"></span><span class="ace-line-pocket" data-faketext="" contenteditable="false"></span><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="start"></span><span>Item 1</span></li></ul></div><div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z line-list-type-bullet ace-ltr" dir="auto" id="editor-3-ace-line-43"><ul class="listtype-bullet listindent1 list-bullet1"><li><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="end"></span><span class="ace-line-pocket" data-faketext="" contenteditable="false"></span><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="start"></span><span>Item 2</span></li></ul></div>';
assert.equal(copy_and_paste.paste_handler_converter(input), "Test list:\n* Item 1\n* Item 2");
// Pasting from Google Sheets (remove <style> elements completely)
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><style type="text/css"><!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--></style><span style="font-size:10pt;font-family:Arial;font-style:normal;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:123}" data-sheets-userformat="{&quot;2&quot;:769,&quot;3&quot;:{&quot;1&quot;:0},&quot;11&quot;:3,&quot;12&quot;:0}">123</span>';
assert.equal(copy_and_paste.paste_handler_converter(input), "123");
});