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refactor: improve code readability by extracting functions
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3 files changed

+133
-109
lines changed

3 files changed

+133
-109
lines changed

‎.github/workflows/release.yaml‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -41,8 +41,7 @@ jobs:
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run: |
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git config --global user.name 'Bryan Lee'
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git config --global user.email '38807139+liby@users.noreply.github.com'
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git add .
45-
git commit -am 'update appcast.json'
44+
git commit -am 'chore: update appcast.json and info.json'
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- name: Push changes
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uses: ad-m/github-push-action@master

‎src/lang.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
var supportLanguages = [
1+
const supportLanguages = [
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["auto", "auto"],
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["zh-Hans", "zh-CN"],
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["zh-Hant", "zh-TW"],

‎src/main.js‎

Lines changed: 131 additions & 106 deletions
Original file line numberDiff line numberDiff line change
@@ -1,47 +1,28 @@
11
var lang = require("./lang.js");
2+
var ChatGPTModels = [
3+
"gpt-3.5-turbo",
4+
"gpt-3.5-turbo-0301",
5+
"gpt-4",
6+
"gpt-4-0314",
7+
"gpt-4-32k",
8+
"gpt-4-32k-0314",
9+
];
210

311
function supportLanguages() {
412
return lang.supportLanguages.map(([standardLang]) => standardLang);
513
}
614

7-
function translate(query, completion) {
8-
const ChatGPTModels = [
9-
"gpt-3.5-turbo",
10-
"gpt-3.5-turbo-0301",
11-
"gpt-4",
12-
"gpt-4-0314",
13-
"gpt-4-32k",
14-
"gpt-4-32k-0314",
15-
];
15+
function buildHeader(isAzureServiceProvider, apiKey) {
16+
return {
17+
"Content-Type": "application/json",
18+
[isAzureServiceProvider ? "api-key" : "Authorization"]: isAzureServiceProvider ? apiKey : `Bearer ${apiKey}`
19+
};
20+
}
1621

17-
const { model, apiKeys, apiUrl, deploymentName } = $option;
22+
function generatePrompts(query) {
23+
let systemPrompt = "You are a translation engine that can only translate text and cannot interpret it.";
24+
let userPrompt = `translate from ${lang.langMap.get(query.detectFrom) || query.detectFrom} to ${lang.langMap.get(query.detectTo) || query.detectTo}`;
1825

19-
const apiKeySelection = apiKeys.split(",").map(key => key.trim());
20-
const apiKey = apiKeySelection[Math.floor(Math.random() * apiKeySelection.length)];
21-
22-
const isChatGPTModel = ChatGPTModels.includes(model);
23-
const isAzureServiceProvider = apiUrl.includes("openai.azure.com");
24-
let apiUrlPath = isChatGPTModel ? "/v1/chat/completions" : "/v1/completions";
25-
26-
if (isAzureServiceProvider) {
27-
if (deploymentName) {
28-
apiUrlPath = `/openai/deployments/${deploymentName}`;
29-
apiUrlPath += isChatGPTModel ? '/chat/completions?api-version=2023-03-15-preview' : '/completions?api-version=2022-12-01';
30-
} else {
31-
completion({
32-
error: {
33-
type: "param",
34-
message: `配置错误 - 未填写 Deployment Name`,
35-
addition: "The name of your model deployment. You're required to first deploy a model before you can make calls",
36-
},
37-
});
38-
}
39-
}
40-
41-
let systemPrompt =
42-
"You are a translation engine that can only translate text and cannot interpret it.";
43-
let userPrompt = `translate from ${lang.langMap.get(query.detectFrom) || query.detectFrom
44-
} to ${lang.langMap.get(query.detectTo) || query.detectTo}`;
4526
if (query.detectTo === "wyw" || query.detectTo === "yue") {
4627
userPrompt = `翻译成${lang.langMap.get(query.detectTo) || query.detectTo}`;
4728
}
@@ -68,95 +49,139 @@ function translate(query, completion) {
6849
userPrompt = "polish this sentence";
6950
}
7051
}
71-
72-
const header = {
73-
"Content-Type": "application/json",
74-
};
75-
const body = {
76-
model: $option.model,
52+
53+
userPrompt = `${userPrompt}
54+
Text:
55+
"""
56+
${query.text}
57+
"""
58+
`
59+
60+
return { systemPrompt, userPrompt };
61+
}
62+
63+
function buildRequestBody(model, isChatGPTModel, query) {
64+
const { systemPrompt, userPrompt } = generatePrompts(query);
65+
const standardBody = {
66+
model,
7767
temperature: 0,
7868
max_tokens: 1000,
7969
top_p: 1,
8070
frequency_penalty: 1,
8171
presence_penalty: 1,
8272
};
83-
userPrompt = `${userPrompt}:\n\n"${query.text}" =>`;
84-
85-
if (isAzureServiceProvider) {
86-
header["api-key"] = `${apiKey}`
87-
} else {
88-
header["Authorization"] = `Bearer ${apiKey}`
89-
}
9073
if (isChatGPTModel) {
91-
body["messages"] = [
92-
{
93-
role: "system",
94-
content: systemPrompt,
74+
return {
75+
...standardBody,
76+
messages: [
77+
{
78+
role: "system",
79+
content: systemPrompt,
80+
},
81+
{
82+
role: "user",
83+
content: userPrompt,
84+
},
85+
],
86+
};
87+
}
88+
return {
89+
...standardBody,
90+
prompt: userPrompt,
91+
};
92+
}
93+
94+
function handleError(completion, result) {
95+
const { statusCode } = result.response;
96+
const reason = (statusCode >= 400 && statusCode < 500) ? "param" : "api";
97+
completion({
98+
error: {
99+
type: reason,
100+
message: `接口响应错误 - ${result.data.error.message}`,
101+
addition: JSON.stringify(result),
102+
},
103+
});
104+
}
105+
106+
function handleResponse(completion, isChatGPTModel, query, result) {
107+
const { choices } = result.data;
108+
109+
if (!choices || choices.length === 0) {
110+
completion({
111+
error: {
112+
type: "api",
113+
message: "接口未返回结果",
95114
},
96-
{
97-
role: "user",
98-
content: userPrompt,
115+
});
116+
return;
117+
}
118+
119+
let targetText = (isChatGPTModel ? choices[0].message.content : choices[0].text).trim();
120+
121+
if (targetText.startsWith('"') || targetText.startsWith("「")) {
122+
targetText = targetText.slice(1);
123+
}
124+
if (targetText.endsWith('"') || targetText.endsWith("」")) {
125+
targetText = targetText.slice(0, -1);
126+
}
127+
128+
completion({
129+
result: {
130+
from: query.detectFrom,
131+
to: query.detectTo,
132+
toParagraphs: targetText.split("\n"),
133+
},
134+
});
135+
}
136+
137+
function translate(query, completion) {
138+
if (!lang.langMap.get(query.detectTo)) {
139+
completion({
140+
error: {
141+
type: "unsupportLanguage",
142+
message: "不支持该语种",
99143
},
100-
{ role: "user", content: `"${query.text}"` },
101-
];
102-
} else {
103-
body["prompt"] = userPrompt;
144+
});
104145
}
105146

147+
const { model, apiKeys, apiUrl, deploymentName } = $option;
148+
149+
const apiKeySelection = apiKeys.split(",").map(key => key.trim());
150+
const apiKey = apiKeySelection[Math.floor(Math.random() * apiKeySelection.length)];
151+
152+
const isChatGPTModel = ChatGPTModels.includes(model);
153+
const isAzureServiceProvider = apiUrl.includes("openai.azure.com");
154+
let apiUrlPath = isChatGPTModel ? "/v1/chat/completions" : "/v1/completions";
155+
156+
if (isAzureServiceProvider) {
157+
if (deploymentName) {
158+
apiUrlPath = `/openai/deployments/${deploymentName}`;
159+
apiUrlPath += isChatGPTModel ? '/chat/completions?api-version=2023-03-15-preview' : '/completions?api-version=2022-12-01';
160+
} else {
161+
completion({
162+
error: {
163+
type: "secretKey",
164+
message: `配置错误 - 未填写 Deployment Name`,
165+
},
166+
});
167+
}
168+
}
169+
170+
const header = buildHeader(isAzureServiceProvider, apiKey);
171+
const body = buildRequestBody(model, isChatGPTModel, query);
172+
106173
(async () => {
107-
const resp = await $http.request({
174+
const result = await $http.request({
108175
method: "POST",
109176
url: apiUrl + apiUrlPath,
110177
header,
111178
body,
112179
});
113180

114-
if (resp.error) {
115-
const { statusCode } = resp.response;
116-
let reason;
117-
if (statusCode >= 400 && statusCode < 500) {
118-
reason = "param";
119-
} else {
120-
reason = "api";
121-
}
122-
completion({
123-
error: {
124-
type: reason,
125-
message: `接口响应错误 - ${resp.data.error.message}`,
126-
addition: JSON.stringify(resp),
127-
},
128-
});
181+
if (result.error) {
182+
handleError(result);
129183
} else {
130-
const { choices } = resp.data;
131-
if (!choices || choices.length === 0) {
132-
completion({
133-
error: {
134-
type: "api",
135-
message: "接口未返回结果",
136-
},
137-
});
138-
return;
139-
}
140-
if (isChatGPTModel) {
141-
targetTxt = choices[0].message.content.trim();
142-
} else {
143-
targetTxt = choices[0].text.trim();
144-
}
145-
146-
if (targetTxt.startsWith('"') || targetTxt.startsWith("「")) {
147-
targetTxt = targetTxt.slice(1);
148-
}
149-
if (targetTxt.endsWith('"') || targetTxt.endsWith("」")) {
150-
targetTxt = targetTxt.slice(0, -1);
151-
}
152-
153-
completion({
154-
result: {
155-
from: query.detectFrom,
156-
to: query.detectTo,
157-
toParagraphs: targetTxt.split("\n"),
158-
},
159-
});
184+
handleResponse(completion, isChatGPTModel, query, result);
160185
}
161186
})().catch((err) => {
162187
completion({

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