49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
importScripts("guesslang.min.js")
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const LANGUAGES = ["json", "py", "html", "sql", "md", "java", "php", "css", "xml", "cpp", "rs", "cs", "rb", "sh", "yaml", "toml", "go", "clj", "ex", "erl", "js", "ts", "swift", "kt", "groovy", "ps1", "dart", "scala"]
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const guessLang = new self.GuessLang()
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function sendResult(language, confidence, idx) {
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postMessage({language, confidence, idx})
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}
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onmessage = (event) => {
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const {content, idx} = event.data
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// JSON 快速检测
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const trimmed = content.trim()
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if ((trimmed.startsWith("{") && trimmed.endsWith("}")) ||
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(trimmed.startsWith("[") && trimmed.endsWith("]"))) {
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try {
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if (typeof JSON.parse(trimmed) === "object") {
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sendResult("json", 1.0, idx)
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return
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}
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} catch (e) {
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}
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}
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guessLang.runModel(content).then((result) => {
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if (result.length > 0) {
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const lang = result[0]
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if (LANGUAGES.includes(lang.languageId) && lang.confidence > 0.15) {
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sendResult(lang.languageId, lang.confidence, idx)
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return
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}
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}
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for (let lang of result) {
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if (LANGUAGES.includes(lang.languageId) && lang.confidence > 0.5) {
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sendResult(lang.languageId, lang.confidence, idx)
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return
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}
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}
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sendResult("text", 0.0, idx)
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}).catch(() => {
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sendResult("text", 0.0, idx)
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})
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}
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