{
  "version": 3,
  "sources": ["../src/Parser.TTMLParser.ts"],
  "sourcesContent": ["import {\n  type CreateLineArgs,\n  type CreateLyricArgs,\n  type CreateParagraphArgs,\n  createLyric,\n} from \"@ioris/core\";\n\nconst isElementNode = (n: Node) => Node.ELEMENT_NODE === n.nodeType;\n\nconst confirmTag = (t: Element[\"tagName\"]) => {\n  const tagName = t.toLowerCase();\n  return (n: Element) => {\n    return n.nodeName.toLowerCase() === tagName;\n  };\n};\n\nfunction parseTime(t: string): number {\n  if (t === \"\") {\n    return 0;\n  }\n  if (t.endsWith(\"s\")) {\n    return Number(t.slice(0, -1));\n  }\n  return Number(t.split(\":\").reduce((acc, time) => 60 * acc + Number(time), 0));\n}\n\nconst getTime = (e: Element): { begin: number; end: number } => {\n  return {\n    begin: parseTime(e.getAttribute(\"begin\") || \"\"),\n    end: parseTime(e.getAttribute(\"end\") || \"\"),\n  };\n};\n\nconst TIMING_TYPE = {\n  Line: \"Line\",\n  Word: \"Word\",\n} as const;\n\nexport class TTMLParser {\n  lineTokenizer?: CreateLyricArgs[\"lineTokenizer\"];\n  paragraphTokenizer?: CreateLyricArgs[\"paragraphTokenizer\"];\n  offsetSec?: number;\n\n  constructor(props?: {\n    lineTokenizer?: CreateLyricArgs[\"lineTokenizer\"];\n    paragraphTokenizer?: CreateLyricArgs[\"paragraphTokenizer\"];\n    offsetSec?: number;\n  }) {\n    this.lineTokenizer = props ? props.lineTokenizer : undefined;\n    this.paragraphTokenizer = props ? props.paragraphTokenizer : undefined;\n    this.offsetSec = props ? props.offsetSec : undefined;\n  }\n\n  public async parse(ttml: XMLDocument, resourceID: string) {\n    const timelines: CreateLyricArgs[\"timelines\"] = [];\n    const paragraphs = ttml.querySelectorAll(\"div\");\n\n    for (const paragraphElm of Array.from(paragraphs)) {\n      const { lineTimelines } = this.parseParagraphTimelines(paragraphElm);\n      timelines.push(lineTimelines);\n    }\n\n    const lyric = await createLyric({\n      resourceID,\n      timelines,\n      lineTokenizer: this.lineTokenizer,\n      paragraphTokenizer: this.paragraphTokenizer,\n      offsetSec: this.offsetSec,\n    });\n\n    return lyric;\n  }\n\n  private parseParagraphTimelines(paragraphElm: HTMLDivElement): {\n    lineTimelines: CreateParagraphArgs[\"timelines\"];\n  } {\n    if (!isElementNode(paragraphElm) || !confirmTag(\"div\")(paragraphElm)) {\n      throw new Error(\"Invalid TTML format\");\n    }\n    const lines = paragraphElm.querySelectorAll(\"p\");\n    const lineTimelines: CreateParagraphArgs[\"timelines\"] = [];\n\n    for (const lineElm of Array.from(lines)) {\n      const { wordTimelines } = this.parseLineTimelines(lineElm);\n      lineTimelines.push(wordTimelines);\n    }\n\n    return {\n      lineTimelines,\n    };\n  }\n\n  private parseLineTimelines(lineElm: HTMLParagraphElement): {\n    wordTimelines: CreateLineArgs[\"timelines\"];\n  } {\n    if (!isElementNode(lineElm) || !confirmTag(\"p\")(lineElm)) {\n      throw new Error(\"Invalid TTML format\");\n    }\n\n    const wordTimelines: CreateLineArgs[\"timelines\"] = [];\n    const { begin, end } = getTime(lineElm);\n\n    const timingType =\n      Array.from(lineElm.children)\n        .filter(isElementNode)\n        .filter(confirmTag(\"span\")).length > 0\n        ? TIMING_TYPE.Word\n        : TIMING_TYPE.Line;\n\n    if (timingType === TIMING_TYPE.Line) {\n      if (lineElm.textContent === null) {\n        return {\n          wordTimelines,\n        };\n      }\n\n      wordTimelines.push({\n        wordID: crypto.randomUUID(),\n        begin,\n        end,\n        text: lineElm.textContent,\n      });\n\n      return {\n        wordTimelines,\n      };\n    }\n\n    const spans = Array.from(lineElm.querySelectorAll(\"span\"));\n\n    return spans.reduce<{\n      wordTimelines: CreateLineArgs[\"timelines\"];\n    }>(\n      (acc, spanElm, wordIndex) => {\n        const last = acc.wordTimelines[acc.wordTimelines.length - 1];\n        const { begin, end } = getTime(spanElm);\n        const beforeElm = spans[wordIndex - 1];\n        const { end: beforeEnd } = beforeElm\n          ? getTime(beforeElm)\n          : { end: begin };\n        const hasWhitespace =\n          beforeEnd - begin > 0.1 ||\n          (spanElm.nextSibling !== null && spanElm.nextSibling.nodeType === 3);\n        acc.wordTimelines[0] = {\n          ...acc.wordTimelines[0],\n          begin: last?.begin || begin,\n          end,\n          text: `${last?.text || \"\"}${spanElm.textContent}${\n            hasWhitespace ? \" \" : \"\"\n          }`,\n        };\n        return acc;\n      },\n      { wordTimelines },\n    );\n  }\n}\n\nexport default TTMLParser;\n"],
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  "names": ["createLyric", "isElementNode", "n", "confirmTag", "t", "tagName", "parseTime", "acc", "time", "getTime", "e", "TIMING_TYPE", "TTMLParser", "props", "ttml", "resourceID", "timelines", "paragraphs", "paragraphElm", "lineTimelines", "lines", "lineElm", "wordTimelines", "begin", "end", "spans", "spanElm", "wordIndex", "last", "beforeElm", "beforeEnd", "hasWhitespace"]
}