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csalgcsalg
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Update parseDescription
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‎src/webview/leetCodePreviewProvider.ts

Lines changed: 154 additions & 140 deletions
Original file line numberDiff line numberDiff line change
@@ -8,51 +8,54 @@ import { ILeetCodeWebviewOption, LeetCodeWebview } from "./LeetCodeWebview";
88
import { markdownEngine } from "./markdownEngine";
99

1010
class LeetCodePreviewProvider extends LeetCodeWebview {
11-
12-
protected readonly viewType: string = "leetcode.preview";
13-
private node: IProblem;
14-
private description: IDescription;
15-
private sideMode: boolean = false;
16-
17-
public isSideMode(): boolean {
18-
return this.sideMode;
19-
}
20-
21-
public show(descString: string, node: IProblem, isSideMode: boolean = false): void {
22-
this.description = this.parseDescription(descString, node);
23-
this.node = node;
24-
this.sideMode = isSideMode;
25-
this.showWebviewInternal();
26-
// Comment out this operation since it sometimes may cause the webview become empty.
27-
// Waiting for the progress of the VS Code side issue: https://github.com/microsoft/vscode/issues/3742
28-
// if (this.sideMode) {
29-
// this.hideSideBar(); // For better view area
30-
// }
31-
}
32-
33-
protected getWebviewOption(): ILeetCodeWebviewOption {
34-
if (!this.sideMode) {
35-
return {
36-
title: `${this.node.name}: Preview`,
37-
viewColumn: ViewColumn.One,
38-
};
39-
} else {
40-
return {
41-
title: "Description",
42-
viewColumn: ViewColumn.Two,
43-
preserveFocus: true,
44-
};
45-
}
11+
protected readonly viewType: string = "leetcode.preview";
12+
private node: IProblem;
13+
private description: IDescription;
14+
private sideMode: boolean = false;
15+
16+
public isSideMode(): boolean {
17+
return this.sideMode;
18+
}
19+
20+
public show(
21+
descString: string,
22+
node: IProblem,
23+
isSideMode: boolean = false
24+
): void {
25+
this.description = this.parseDescription(descString, node);
26+
this.node = node;
27+
this.sideMode = isSideMode;
28+
this.showWebviewInternal();
29+
// Comment out this operation since it sometimes may cause the webview become empty.
30+
// Waiting for the progress of the VS Code side issue: https://github.com/microsoft/vscode/issues/3742
31+
// if (this.sideMode) {
32+
// this.hideSideBar(); // For better view area
33+
// }
34+
}
35+
36+
protected getWebviewOption(): ILeetCodeWebviewOption {
37+
if (!this.sideMode) {
38+
return {
39+
title: `${this.node.name}: Preview`,
40+
viewColumn: ViewColumn.One,
41+
};
42+
} else {
43+
return {
44+
title: "Description",
45+
viewColumn: ViewColumn.Two,
46+
preserveFocus: true,
47+
};
4648
}
49+
}
4750

48-
protected getWebviewContent(): string {
49-
const button: { element: string, script: string, style: string } = {
50-
element: `<button id="solve">Code Now</button>`,
51-
script: `const button = document.getElementById('solve');
51+
protected getWebviewContent(): string {
52+
const button: { element: string; script: string; style: string } = {
53+
element: `<button id="solve">Code Now</button>`,
54+
script: `const button = document.getElementById('solve');
5255
button.onclick = () => vscode.postMessage({
5356
command: 'ShowProblem',
5457
});`,
55-
style: `<style>
58+
style: `<style>
5659
#solve {
5760
position: fixed;
5861
bottom: 1rem;
@@ -70,36 +73,41 @@ class LeetCodePreviewProvider extends LeetCodeWebview {
7073
border: 0;
7174
}
7275
</style>`,
73-
};
74-
const { title, url, category, difficulty, likes, dislikes, body } = this.description;
75-
const head: string = markdownEngine.render(`# [${title}](${url})`);
76-
const info: string = markdownEngine.render([
77-
`| Category | Difficulty | Likes | Dislikes |`,
78-
`| :------: | :--------: | :---: | :------: |`,
79-
`| ${category} | ${difficulty} | ${likes} | ${dislikes} |`,
80-
].join("\n"));
81-
const tags: string = [
82-
`<details>`,
83-
`<summary><strong>Tags</strong></summary>`,
84-
markdownEngine.render(
85-
this.description.tags
86-
.map((t: string) => `[\`${t}\`](https://leetcode.com/tag/${t})`)
87-
.join(" | "),
88-
),
89-
`</details>`,
90-
].join("\n");
91-
const companies: string = [
92-
`<details>`,
93-
`<summary><strong>Companies</strong></summary>`,
94-
markdownEngine.render(
95-
this.description.companies
96-
.map((c: string) => `\`${c}\``)
97-
.join(" | "),
98-
),
99-
`</details>`,
100-
].join("\n");
101-
const links: string = markdownEngine.render(`[Discussion](${this.getDiscussionLink(url)}) | [Solution](${this.getSolutionLink(url)})`);
102-
return `
76+
};
77+
const { title, url, category, difficulty, likes, dislikes, body } =
78+
this.description;
79+
const head: string = markdownEngine.render(`# [${title}](${url})`);
80+
const info: string = markdownEngine.render(
81+
[
82+
`| Category | Difficulty | Likes | Dislikes |`,
83+
`| :------: | :--------: | :---: | :------: |`,
84+
`| ${category} | ${difficulty} | ${likes} | ${dislikes} |`,
85+
].join("\n")
86+
);
87+
const tags: string = [
88+
`<details>`,
89+
`<summary><strong>Tags</strong></summary>`,
90+
markdownEngine.render(
91+
this.description.tags
92+
.map((t: string) => `[\`${t}\`](https://leetcode.com/tag/${t})`)
93+
.join(" | ")
94+
),
95+
`</details>`,
96+
].join("\n");
97+
const companies: string = [
98+
`<details>`,
99+
`<summary><strong>Companies</strong></summary>`,
100+
markdownEngine.render(
101+
this.description.companies.map((c: string) => `\`${c}\``).join(" | ")
102+
),
103+
`</details>`,
104+
].join("\n");
105+
const links: string = markdownEngine.render(
106+
`[Discussion](${this.getDiscussionLink(
107+
url
108+
)}) | [Solution](${this.getSolutionLink(url)})`
109+
);
110+
return `
103111
<!DOCTYPE html>
104112
<html>
105113
<head>
@@ -126,85 +134,91 @@ class LeetCodePreviewProvider extends LeetCodeWebview {
126134
</body>
127135
</html>
128136
`;
137+
}
138+
139+
protected onDidDisposeWebview(): void {
140+
super.onDidDisposeWebview();
141+
this.sideMode = false;
142+
}
143+
144+
protected async onDidReceiveMessage(message: IWebViewMessage): Promise<void> {
145+
switch (message.command) {
146+
case "ShowProblem": {
147+
await commands.executeCommand("leetcode.showProblem", this.node);
148+
break;
149+
}
129150
}
130-
131-
protected onDidDisposeWebview(): void {
132-
super.onDidDisposeWebview();
133-
this.sideMode = false;
151+
}
152+
153+
// private async hideSideBar(): Promise<void> {
154+
// await commands.executeCommand("workbench.action.focusSideBar");
155+
// await commands.executeCommand("workbench.action.toggleSidebarVisibility");
156+
// }
157+
158+
private parseDescription(descString, problem) {
159+
// Parse body by looking for the first html tag
160+
const bodyStartIdx = descString.search(/<.*>/);
161+
const bodyRaw = descString.substring(bodyStartIdx);
162+
163+
const { name: title, tags, companies } = problem;
164+
return {
165+
title,
166+
tags,
167+
companies,
168+
url: descString.match(/https:.*leetcode.*/)?.[0] || "??",
169+
category: descString.match(/\*.*/)?.[0]?.slice(2) || "??", // Category is the first element in list
170+
difficulty: descString.match(/.*\%.*/)?.[0]?.slice(2) || "??", // Difficulty is the first element in list with a percentage sign
171+
likes:
172+
descString
173+
.match(/Likes.*?\n/)?.[0]
174+
?.split(": ")[1]
175+
?.trim() || "0",
176+
dislikes:
177+
descString
178+
.match(/Dislikes.*?\n/)?.[0]
179+
?.split(": ")[1]
180+
?.trim() || "0",
181+
body: bodyRaw.replace(
182+
/<pre>[\r\n]*([^]+?)[\r\n]*<\/pre>/g,
183+
"<pre><code>$1</code></pre>"
184+
),
185+
};
186+
}
187+
188+
private getDiscussionLink(url: string): string {
189+
const endPoint: string = getLeetCodeEndpoint();
190+
if (endPoint === Endpoint.LeetCodeCN) {
191+
return url.replace("/description/", "/comments/");
192+
} else if (endPoint === Endpoint.LeetCode) {
193+
return url.replace(
194+
"/description/",
195+
"/discuss/?currentPage=1&orderBy=most_votes&query="
196+
);
134197
}
135198

136-
protected async onDidReceiveMessage(message: IWebViewMessage): Promise<void> {
137-
switch (message.command) {
138-
case "ShowProblem": {
139-
await commands.executeCommand("leetcode.showProblem", this.node);
140-
break;
141-
}
142-
}
143-
}
199+
return "https://leetcode.com";
200+
}
144201

145-
// private async hideSideBar(): Promise<void> {
146-
// await commands.executeCommand("workbench.action.focusSideBar");
147-
// await commands.executeCommand("workbench.action.toggleSidebarVisibility");
148-
// }
149-
150-
private parseDescription(descString: string, problem: IProblem): IDescription {
151-
const [
152-
/* title */, ,
153-
url, ,
154-
/* tags */, ,
155-
/* langs */, ,
156-
category,
157-
difficulty,
158-
likes,
159-
dislikes,
160-
/* accepted */,
161-
/* submissions */,
162-
/* testcase */, ,
163-
...body
164-
] = descString.split("\n");
165-
return {
166-
title: problem.name,
167-
url,
168-
tags: problem.tags,
169-
companies: problem.companies,
170-
category: category.slice(2),
171-
difficulty: difficulty.slice(2),
172-
likes: likes.split(": ")[1].trim(),
173-
dislikes: dislikes.split(": ")[1].trim(),
174-
body: body.join("\n").replace(/<pre>[\r\n]*([^]+?)[\r\n]*<\/pre>/g, "<pre><code>$1</code></pre>"),
175-
};
176-
}
177-
178-
private getDiscussionLink(url: string): string {
179-
const endPoint: string = getLeetCodeEndpoint();
180-
if (endPoint === Endpoint.LeetCodeCN) {
181-
return url.replace("/description/", "/comments/");
182-
} else if (endPoint === Endpoint.LeetCode) {
183-
return url.replace("/description/", "/discuss/?currentPage=1&orderBy=most_votes&query=");
184-
}
185-
186-
return "https://leetcode.com";
187-
}
188-
189-
private getSolutionLink(url: string): string {
190-
return url.replace("/description/", "/solution/");
191-
}
202+
private getSolutionLink(url: string): string {
203+
return url.replace("/description/", "/solution/");
204+
}
192205
}
193206

194207
interface IDescription {
195-
title: string;
196-
url: string;
197-
tags: string[];
198-
companies: string[];
199-
category: string;
200-
difficulty: string;
201-
likes: string;
202-
dislikes: string;
203-
body: string;
208+
title: string;
209+
url: string;
210+
tags: string[];
211+
companies: string[];
212+
category: string;
213+
difficulty: string;
214+
likes: string;
215+
dislikes: string;
216+
body: string;
204217
}
205218

206219
interface IWebViewMessage {
207-
command: string;
220+
command: string;
208221
}
209222

210-
export const leetCodePreviewProvider: LeetCodePreviewProvider = new LeetCodePreviewProvider();
223+
export const leetCodePreviewProvider: LeetCodePreviewProvider =
224+
new LeetCodePreviewProvider();

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