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Revert "copy_and_paste: Fix formatting of code pasted from VS Code." 

This reverts commit 4a1423b34a.
This commit is contained in:
Anders Kaseorg 2024-02-29 17:20:34 -08:00 committed by Anders Kaseorg
parent 570f3dd447
commit 13115c8180
2 changed files with 9 additions and 27 deletions
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18
web/src/copy_and_paste.js
View File

@ -322,16 +322,6 @@ function within_single_element(html_fragment) {
);
}
export function is_white_space_pre(paste_html) {
const html_fragment = new DOMParser()
.parseFromString(paste_html, "text/html")
.querySelector("body");
return (
within_single_element(html_fragment) &&
html_fragment.firstElementChild.style.whiteSpace === "pre"
);
}
export function paste_handler_converter(paste_html) {
const copied_html_fragment = new DOMParser()
.parseFromString(paste_html, "text/html")
@ -573,7 +563,7 @@ export function paste_handler(event) {
if (clipboardData.getData) {
const $textarea = $(event.currentTarget);
const paste_text = clipboardData.getData("text");
let paste_html = clipboardData.getData("text/html");
const paste_html = clipboardData.getData("text/html");
// Trim the paste_text to accommodate sloppy copying
const trimmed_paste_text = paste_text.trim();
@ -599,12 +589,6 @@ export function paste_handler(event) {
) {
event.preventDefault();
event.stopPropagation();
if (is_white_space_pre(paste_html)) {
// Copied content styled with `white-space: pre` is pasted as is
// but formatted as code. We need this for content copied from
// VS Code like sources.
paste_html = "<pre><code>" + paste_text + "</code></pre>";
}
const text = paste_handler_converter(paste_html);
compose_ui.insert_and_scroll_into_view(text, $textarea);
}

18
web/tests/copy_and_paste.test.js
View File

@ -8,16 +8,6 @@ const {page_params} = require("./lib/zpage_params");
const copy_and_paste = zrequire("copy_and_paste");
run_test("is_white_space_pre", () => {
// 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: #cccccc;"> </span><span style="color: #c586c0;">if</span><span style="color: #cccccc;"> (</span><span style="color: #9cdcfe;">message_lists</span><span style="color: #cccccc;">.</span><span style="color: #9cdcfe;">current</span><span style="color: #cccccc;"> </span><span style="color: #d4d4d4;">===</span><span style="color: #cccccc;"> </span><span style="color: #569cd6;">undefined</span><span style="color: #cccccc;">) {</span></div><div><span style="color: #cccccc;"> </span><span style="color: #c586c0;">return</span><span style="color: #cccccc;">;</span></div><div><span style="color: #cccccc;"> }</span></div></div>`;
assert.ok(copy_and_paste.is_white_space_pre(paste_html));
// Negative test case
paste_html = "<div><div>Hello</div><div>World!</div></div>";
assert.ok(!copy_and_paste.is_white_space_pre(paste_html));
});
run_test("paste_handler_converter", () => {
page_params.development_environment = true;
@ -128,6 +118,14 @@ run_test("paste_handler_converter", () => {
'<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 code from VS Code / Gmail
input =
'<meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="color: #ffffff;background-color: #002451;font-family: Consolas, &quot;Courier New&quot;, monospace;font-weight: normal;font-size: 14px;line-height: 19px;white-space: pre;"><div><span style="color: #ebbbff;">const</span><span style="color: #ffffff;"> </span><span style="color: #ff9da4;">compose_ui</span><span style="color: #ffffff;"> </span><span style="color: #99ffff;">=</span><span style="color: #ffffff;"> </span><span style="color: #bbdaff;">mock_esm</span><span style="color: #ffffff;">(</span><span style="color: #d1f1a9;">"../src/compose_ui"</span><span style="color: #ffffff;">);</span></div><div><span style="color: #bbdaff;">set_global</span><span style="color: #ffffff;">(</span><span style="color: #d1f1a9;">"document"</span><span style="color: #ffffff;">, </span><span style="color: #ff9da4;">document</span><span style="color: #ffffff;">);</span></div></div>';
assert.equal(
copy_and_paste.paste_handler_converter(input),
'const compose_ui = mock_esm("../src/compose_ui");\n\nset_global("document", document);',
);
// 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>';