{"version":3,"file":"sheet-rels-writer.js","names":["utils","require","RelType","HyperlinksProxy","constructor","sheetRelsWriter","writer","push","hyperlink","addHyperlink","SheetRelsWriter","options","id","count","_hyperlinks","_workbook","workbook","stream","_stream","_openStream","length","each","fn","forEach","hyperlinksProxy","_hyperlinksProxy","relationship","Target","target","Type","Hyperlink","TargetMode","rId","_writeRelationship","address","addMedia","media","addRelationship","rel","commit","_writeClose","end","_writeOpen","write","xmlEncode","module","exports"],"sources":["../../../../lib/stream/xlsx/sheet-rels-writer.js"],"sourcesContent":["/* eslint-disable max-classes-per-file */\nconst utils = require('../../utils/utils');\nconst RelType = require('../../xlsx/rel-type');\n\nclass HyperlinksProxy {\n  constructor(sheetRelsWriter) {\n    this.writer = sheetRelsWriter;\n  }\n\n  push(hyperlink) {\n    this.writer.addHyperlink(hyperlink);\n  }\n}\n\nclass SheetRelsWriter {\n  constructor(options) {\n    // in a workbook, each sheet will have a number\n    this.id = options.id;\n\n    // count of all relationships\n    this.count = 0;\n\n    // keep record of all hyperlinks\n    this._hyperlinks = [];\n\n    this._workbook = options.workbook;\n  }\n\n  get stream() {\n    if (!this._stream) {\n      // eslint-disable-next-line no-underscore-dangle\n      this._stream = this._workbook._openStream(`/xl/worksheets/_rels/sheet${this.id}.xml.rels`);\n    }\n    return this._stream;\n  }\n\n  get length() {\n    return this._hyperlinks.length;\n  }\n\n  each(fn) {\n    return this._hyperlinks.forEach(fn);\n  }\n\n  get hyperlinksProxy() {\n    return this._hyperlinksProxy || (this._hyperlinksProxy = new HyperlinksProxy(this));\n  }\n\n  addHyperlink(hyperlink) {\n    // Write to stream\n    const relationship = {\n      Target: hyperlink.target,\n      Type: RelType.Hyperlink,\n      TargetMode: 'External',\n    };\n    const rId = this._writeRelationship(relationship);\n\n    // store sheet stuff for later\n    this._hyperlinks.push({\n      rId,\n      address: hyperlink.address,\n    });\n  }\n\n  addMedia(media) {\n    return this._writeRelationship(media);\n  }\n\n  addRelationship(rel) {\n    return this._writeRelationship(rel);\n  }\n\n  commit() {\n    if (this.count) {\n      // write xml utro\n      this._writeClose();\n      // and close stream\n      this.stream.end();\n    }\n  }\n\n  // ================================================================================\n  _writeOpen() {\n    this.stream.write(\n      `<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n       <Relationships xmlns=\"http://schemas.openxmlformats.org/package/2006/relationships\">`\n    );\n  }\n\n  _writeRelationship(relationship) {\n    if (!this.count) {\n      this._writeOpen();\n    }\n\n    const rId = `rId${++this.count}`;\n\n    if (relationship.TargetMode) {\n      this.stream.write(\n        `<Relationship Id=\"${rId}\"` +\n          ` Type=\"${relationship.Type}\"` +\n          ` Target=\"${utils.xmlEncode(relationship.Target)}\"` +\n          ` TargetMode=\"${relationship.TargetMode}\"` +\n          '/>'\n      );\n    } else {\n      this.stream.write(\n        `<Relationship Id=\"${rId}\" Type=\"${relationship.Type}\" Target=\"${relationship.Target}\"/>`\n      );\n    }\n\n    return rId;\n  }\n\n  _writeClose() {\n    this.stream.write('</Relationships>');\n  }\n}\n\nmodule.exports = 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