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React from 'react';\n\n/**\n * Generate correct subscripted variants of coefficient strings\n *\n * @param  string             coefficient\n * @param  string             output_type [html|pdf|react] - the type of output to provide - default is 'react'\n * @return object|html        converted string\n */\n\nexport class Subscript {\n  constructor(coefficient, output_type = 'react') {\n    this.coefficient = coefficient.toLowerCase().trim();\n    if (['html', 'pdf', 'react'].indexOf(output_type) === -1)\n      throw new Error(\n        `The output_type (provided: ${output_type}) argument to Subscript must be either 'react', 'html' or 'pdf'`\n      );\n\n    this.output_type = output_type;\n\n    this.output_obj = {\n      uc: false,\n      lc: false,\n    };\n\n    this.morph();\n  }\n\n  /**\n   * Dictionary of coefficients mapped to their rules for rendering them.\n   * @return {Object} a mapping of the coefficient string name to an object consisting of the capitalized first part, and the text content of the subscript\n   */\n\n  static coefficient_map() {\n    return {\n      ssuh: {\n        uc: 'SsUH',\n        lc: '',\n      },\n      crs: {\n        uc: 'CR',\n        lc: 'S',\n      },\n      ssrt: {\n        uc: 'SsRT',\n        lc: '',\n      },\n      ssd: {\n        uc: 'SsD',\n        lc: '',\n      },\n      sxs: {\n        uc: 'S',\n        lc: 'XS',\n      },\n      s1uh: {\n        uc: 'S1UH',\n        lc: '',\n      },\n      cr1: {\n        uc: 'CR',\n        lc: '1',\n      },\n      s1rt: {\n        uc: 'S1RT',\n        lc: '',\n      },\n      s1d: {\n        uc: 'S1D',\n        lc: '',\n      },\n      sx1: {\n        uc: 'S',\n        lc: 'X1',\n      },\n      ss: {\n        uc: 'S',\n        lc: 'S',\n      },\n      s1: {\n        uc: 'S',\n        lc: '1',\n      },\n      fa: {\n        uc: 'F',\n        lc: 'a',\n      },\n      fv: {\n        uc: 'F',\n        lc: 'v',\n      },\n      sms: {\n        uc: 'S',\n        lc: 'MS',\n      },\n      sm1: {\n        uc: 'S',\n        lc: 'M1',\n      },\n      sds: {\n        uc: 'S',\n        lc: 'DS',\n      },\n      sd1: {\n        uc: 'S',\n        lc: 'D1',\n      },\n      tl: {\n        uc: 'T',\n        lc: 'L',\n      },\n      pga: {\n        uc: 'PGA',\n        lc: '',\n      },\n      pgam: {\n        uc: 'PGA',\n        lc: 'M',\n      },\n      fpga: {\n        uc: 'F',\n        lc: 'PGA',\n      },\n      ie: {\n        uc: 'I',\n        lc: 'e',\n      },\n      // an alias\n      le: {\n        uc: 'I',\n        lc: 'e',\n      },\n      cv: {\n        uc: 'C',\n        lc: 'v',\n      },\n      ts: {\n        uc: 'T',\n        lc: '(s)',\n      },\n      sag: {\n        uc: 'S',\n        lc: 'a(g)',\n      },\n      sdc: {\n        uc: 'S',\n        lc: 'DC',\n      },\n      vs30: {\n        uc: 'V',\n        lc: 'S30',\n      },\n      // The 2 values below are for Tornado, so do not remove them - putting them here saves us duplicating logic\n      ae: {\n        uc: 'A',\n        lc: 'e',\n      },\n      vt: {\n        uc: 'V',\n        lc: 't',\n      },\n    };\n  }\n\n  // This can be used to calculate the width of the string more accurately. Was computed with:\n  /*\n\twindow.chars = \"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\".split('');\n\twindow.span = document.createElement('span');\n\tdocument.body.appendChild(span);\n\twindow.widthMap = {};\n\twindow.widths = [];\n\twindow.sum = 0;\n\tchars.forEach(function(letter){\n\t\twindow.span.innerHTML = letter;\n\t\twindow.widthMap[letter] = window.span.offsetWidth;\n\t\twindow.widths.push(window.span.offsetWidth)\n\t\twindow.sum += window.span.offsetWidth;\n\t\tconsole.log(letter, window.span.offsetWidth);\n\t});\n\tconsole.log('average is: ' + window.sum/chars.length);\n\n\tAverage is 7\n\t*/\n  static get character_widths() {\n    return {\n      a: 6,\n      b: 7,\n      c: 6,\n      d: 7,\n      e: 7,\n      f: 4,\n      g: 7,\n      h: 7,\n      i: 3,\n      j: 3,\n      k: 6,\n      l: 3,\n      m: 10,\n      n: 7,\n      o: 7,\n      p: 7,\n      q: 7,\n      r: 4,\n      s: 5,\n      t: 4,\n      u: 7,\n      v: 6,\n      w: 9,\n      x: 6,\n      y: 6,\n      z: 5,\n      A: 8,\n      B: 8,\n      C: 8,\n      D: 9,\n      E: 7,\n      F: 7,\n      G: 9,\n      H: 9,\n      I: 3,\n      J: 6,\n      K: 8,\n      L: 6,\n      M: 11,\n      N: 9,\n      O: 10,\n      P: 7,\n      Q: 10,\n      R: 7,\n      S: 7,\n      T: 7,\n      U: 8,\n      V: 7,\n      W: 11,\n      X: 8,\n      Y: 7,\n      Z: 7,\n    };\n  }\n\n  /**\n   * A getter to allow getting the coefficient map via easily remembered property\n   * @return {Object} Subscript.coefficient_map()\n   */\n\n  static get coefficients() {\n    return Subscript.coefficient_map();\n  }\n\n  /**\n   * Get the output specs from coefficient_map(); sets the output_obj property on the instance\n   * @return {Object} this.output_obj\n   */\n\n  morph() {\n    this.output_obj = Subscript.coefficient_map()[this.coefficient];\n    if (typeof this.output_obj === 'undefined')\n      throw new Error(\n        `The coefficient (${this.coefficient}) provided is not valid. It has not been specified in the method: coefficient_map in Subscript.js`\n      );\n    return this.output_obj;\n  }\n\n  output_html() {\n    let subscript = this.output_obj.lc.length ? `<sub>${this.output_obj.lc}</sub>` : '';\n    return `<span>${this.output_obj.uc}${subscript}</span>`;\n  }\n\n  output_react() {\n    return <SubscriptComponent output_obj={this.output_obj} />;\n  }\n\n  output_pdf() {}\n\n  /**\n   * Return the class in it's specified rendered form, specific to the output type specified on construction.\n   * This function calls one of the private methods: [`output_html`, `output_react`, `output_pdf`] based on the string content of the property `this.output_type`\n   * @return {Object} sum\n   */\n\n  output() {\n    if (this.output_obj.uc === false || this.output_obj.lc === false)\n      throw new Error(\n        `An error occurred when generating a subscript, please check the value (${this.coefficient}) that has been provided to Subscript`\n      );\n\n    return this[`output_${this.output_type}`]();\n  }\n\n  toString() {\n    return this.output();\n  }\n}\n\n/**\n * Component that is returned from Subscript when 'react' is specified as the output type\n * @return React.Component\n */\n\nexport class SubscriptComponent extends React.Component {\n  render() {\n    if (this.props.output_obj.lc.length) {\n      return (\n        <span>\n          {this.props.output_obj.uc}\n          <sub>{this.props.output_obj.lc}</sub>\n        </span>\n      );\n    } else {\n      return <span>{this.props.output_obj.uc}</span>;\n    }\n  }\n}\n\n// For testing purposes\nexport class SubscriptTest {\n  constructor() {\n    for (let i in Subscript.coefficients) {\n      console.log(i, new Subscript(i) + '');\n    }\n    console.log('sdfsdEE', new Subscript('sdfsdEE') + '');\n  }\n}\n"]}