d2fbc413b3
* feat(canvas): 短剧项目空间 - 建立项目章节与画布关联 MVP * feat(canvas): 短剧项目空间 - 完善项目资产、镜头与流程闭环 Refs #30 * fix(deploy): 本地部署 - 修复前端构建并忽略本地 PostgreSQL 配置 * feat(*): 短剧项目空间 - 完成项目、章节、资产、角色与画布创作闭环 Refs #30 --------- Co-authored-by: ddCat <ddcat666@88.com>
71 lines
3.6 KiB
TypeScript
71 lines
3.6 KiB
TypeScript
const maxChapterHeadingLength = 120;
|
||
const chineseChapterNumber = "[零〇○一二两三四五六七八九十百千万亿壹贰叁肆伍陆柒捌玖拾佰仟\\d]+";
|
||
const englishChapterNumber = "(?:\\d+|[ivxlcdm]+|one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve)";
|
||
const chapterTitleSuffix = "(?:\\s*[-—–:：·.]\\s*.*|\\s+.*)?";
|
||
const chapterHeadingPatterns = [
|
||
new RegExp(`^(?:正文\\s*)?第\\s*${chineseChapterNumber}\\s*[章节卷回部篇集季幕]${chapterTitleSuffix}$`, "i"),
|
||
new RegExp(`^(?:卷|篇|部|集|季|幕)\\s*${chineseChapterNumber}${chapterTitleSuffix}$`, "i"),
|
||
new RegExp(`^(?:序|序幕|序章|序言|前言|前记|楔子|引子|引言|开篇|终章|尾声|后记)${chapterTitleSuffix}$`, "i"),
|
||
new RegExp(`^(?:番外(?:篇)?|附录)(?:\\s*(?:第\\s*)?${chineseChapterNumber}\\s*[章节回篇]?)?${chapterTitleSuffix}$`, "i"),
|
||
new RegExp(`^(?:chapter|book|part|volume)\\s+${englishChapterNumber}\\b${chapterTitleSuffix}$`, "i"),
|
||
new RegExp(`^(?:prologue|preface|introduction|epilogue|afterword|appendix)${chapterTitleSuffix}$`, "i"),
|
||
];
|
||
|
||
export type ImportedNovelChapter = { title: string; plainText: string };
|
||
|
||
function chapterTitleFromLine(line: string) {
|
||
const trimmed = line.trim();
|
||
if (!trimmed || Array.from(trimmed).length > maxChapterHeadingLength) return null;
|
||
|
||
const title = trimmed
|
||
.replace(/^[#＃]{1,6}\s*/, "")
|
||
.replace(/^[\s=_*~\-—–]+|[\s=_*~\-—–]+$/g, "")
|
||
.trim();
|
||
const candidate = title
|
||
.normalize("NFKC")
|
||
.replace(/[【】\[\]「」『』〈〉《》〖〗]/g, " ")
|
||
.replace(/\s+/g, " ")
|
||
.trim();
|
||
|
||
// 只把较短且整行符合章节结构的文本当作标题，避免正文中提到“第一章”时误切分。
|
||
return chapterHeadingPatterns.some((pattern) => pattern.test(candidate)) ? title : null;
|
||
}
|
||
|
||
export function decodeNovelText(buffer: ArrayBuffer) {
|
||
const bytes = new Uint8Array(buffer);
|
||
if (bytes[0] === 0xef && bytes[1] === 0xbb && bytes[2] === 0xbf) return new TextDecoder("utf-8").decode(bytes.subarray(3));
|
||
if (bytes[0] === 0xff && bytes[1] === 0xfe) return new TextDecoder("utf-16le").decode(bytes.subarray(2));
|
||
if (bytes[0] === 0xfe && bytes[1] === 0xff) return new TextDecoder("utf-16be").decode(bytes.subarray(2));
|
||
|
||
try {
|
||
return new TextDecoder("utf-8", { fatal: true }).decode(bytes);
|
||
} catch {
|
||
// 中文网文 TXT 常由旧版编辑器导出为 GBK；GB18030 兼容 GBK，并能覆盖更多汉字。
|
||
return new TextDecoder("gb18030").decode(bytes);
|
||
}
|
||
}
|
||
|
||
export function splitTextIntoChapters(text: string) {
|
||
const normalized = text.replace(/\r\n?/g, "\n").trim();
|
||
if (!normalized) return [{ title: "第 1 章", plainText: "" }];
|
||
const lines = normalized.split("\n");
|
||
const sections: Array<{ title: string; lines: string[] }> = [];
|
||
let current: { title: string; lines: string[] } | null = null;
|
||
const preface: string[] = [];
|
||
|
||
for (const line of lines) {
|
||
const chapterTitle = chapterTitleFromLine(line);
|
||
if (chapterTitle) {
|
||
if (current) sections.push(current);
|
||
current = { title: chapterTitle, lines: [] };
|
||
continue;
|
||
}
|
||
if (current) current.lines.push(line);
|
||
else preface.push(line);
|
||
}
|
||
if (current) sections.push(current);
|
||
if (!sections.length) return [{ title: "第 1 章", plainText: normalized }];
|
||
if (preface.some((line) => line.trim())) sections.unshift({ title: "序章", lines: preface });
|
||
return sections.map((section): ImportedNovelChapter => ({ title: section.title, plainText: section.lines.join("\n").trim() }));
|
||
}
|