ass-compiler - npm Package Compare versions

Comparing version 0.0.8 to 0.0.9

dist/ass-compiler.js

 (function (global, factory) {
-	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-	typeof define === 'function' && define.amd ? define(['exports'], factory) :
-	(factory((global.assCompiler = {})));
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (factory((global.assCompiler = {})));
 }(this, (function (exports) { 'use strict';
 
-function parseEffect(text) {
-  var param = text
-    .toLowerCase()
-    .trim()
-    .split(/\s*;\s*/);
-  if (param[0] === 'banner') {
-    return {
-      name: param[0],
-      delay: param[1] * 1 || 0,
-      leftToRight: param[2] * 1 || 0,
-      fadeAwayWidth: param[3] * 1 || 0,
-    };
+  function parseEffect(text) {
+    var param = text
+      .toLowerCase()
+      .trim()
+      .split(/\s*;\s*/);
+    if (param[0] === 'banner') {
+      return {
+        name: param[0],
+        delay: param[1] * 1 || 0,
+        leftToRight: param[2] * 1 || 0,
+        fadeAwayWidth: param[3] * 1 || 0,
+      };
+    }
+    if (/^scroll\s/.test(param[0])) {
+      return {
+        name: param[0],
+        y1: Math.min(param[1] * 1, param[2] * 1),
+        y2: Math.max(param[1] * 1, param[2] * 1),
+        delay: param[3] * 1 || 0,
+        fadeAwayHeight: param[4] * 1 || 0,
+      };
+    }
+    return null;
   }
-  if (/^scroll\s/.test(param[0])) {
-    return {
-      name: param[0],
-      y1: Math.min(param[1] * 1, param[2] * 1),
-      y2: Math.max(param[1] * 1, param[2] * 1),
-      delay: param[3] * 1 || 0,
-      fadeAwayHeight: param[4] * 1 || 0,
-    };
+
+  function parseDrawing(text) {
+    return text
+      .toLowerCase()
+      // numbers
+      .replace(/([+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?)/g, ' $1 ')
+      // commands
+      .replace(/([mnlbspc])/g, ' $1 ')
+      .trim()
+      .replace(/\s+/g, ' ')
+      .split(/\s(?=[mnlbspc])/)
+      .map(function (cmd) { return (
+        cmd.split(' ')
+          .filter(function (x, i) { return !(i && isNaN(x * 1)); })
+      ); });
   }
-  return null;
-}
 
-function parseDrawing(text) {
-  return text
-    .toLowerCase()
-    .replace(/([mnlbspc])/g, ' $1 ')
-    .trim()
-    .replace(/\s+/g, ' ')
-    .split(/\s(?=[mnlbspc])/)
-    .map(function (cmd) { return cmd.split(' '); });
-}
+  var numTags = [
+    'b', 'i', 'u', 's', 'fsp',
+    'k', 'K', 'kf', 'ko', 'kt',
+    'fe', 'q', 'p', 'pbo', 'a', 'an',
+    'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
+    'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
 
-var numTags = [
-  'b', 'i', 'u', 's', 'fsp',
-  'k', 'K', 'kf', 'ko', 'kt',
-  'fe', 'q', 'p', 'pbo', 'a', 'an',
-  'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
-  'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
+  var numRegexs = numTags.map(function (nt) { return ({ name: nt, regex: new RegExp(("^" + nt + "-?\\d")) }); });
 
-var numRegexs = numTags.map(function (nt) { return ({ name: nt, regex: new RegExp(("^" + nt + "-?\\d")) }); });
+  function parseTag(text) {
+    var assign;
 
-function parseTag(text) {
-  var assign;
+    var tag = {};
+    for (var i = 0; i < numRegexs.length; i++) {
+      var ref = numRegexs[i];
+      var name = ref.name;
+      var regex = ref.regex;
+      if (regex.test(text)) {
+        tag[name] = text.slice(name.length) * 1;
+        return tag;
+      }
+    }
+    if (/^fn/.test(text)) {
+      tag.fn = text.slice(2);
+    } else if (/^r/.test(text)) {
+      tag.r = text.slice(1);
+    } else if (/^fs[\d+-]/.test(text)) {
+      tag.fs = text.slice(2);
+    } else if (/^\d?c&?H?[0-9a-f]+|^\d?c$/i.test(text)) {
+      var ref$1 = text.match(/^(\d?)c&?H?(\w*)/);
+      var num = ref$1[1];
+      var color = ref$1[2];
+      tag[("c" + (num || 1))] = color && ("000000" + color).slice(-6);
+    } else if (/^\da&?H?[0-9a-f]+/i.test(text)) {
+      var ref$2 = text.match(/^(\d)a&?H?(\w\w)/);
+      var num$1 = ref$2[1];
+      var alpha = ref$2[2];
+      tag[("a" + num$1)] = alpha;
+    } else if (/^alpha&?H?[0-9a-f]+/i.test(text)) {
+      (assign = text.match(/^alpha&?H?([0-9a-f]+)/i), tag.alpha = assign[1]);
+      tag.alpha = ("00" + (tag.alpha)).slice(-2);
+    } else if (/^(?:pos|org|move|fad|fade)\(/.test(text)) {
+      var ref$3 = text.match(/^(\w+)\((.*?)\)?$/);
+      var key = ref$3[1];
+      var value = ref$3[2];
+      tag[key] = value
+        .trim()
+        .split(/\s*,\s*/)
+        .map(Number);
+    } else if (/^i?clip/.test(text)) {
+      var p = text
+        .match(/^i?clip\((.*?)\)?$/)[1]
+        .trim()
+        .split(/\s*,\s*/);
+      tag.clip = {
+        inverse: /iclip/.test(text),
+        scale: 1,
+        drawing: null,
+        dots: null,
+      };
+      if (p.length === 1) {
+        tag.clip.drawing = parseDrawing(p[0]);
+      }
+      if (p.length === 2) {
+        tag.clip.scale = p[0] * 1;
+        tag.clip.drawing = parseDrawing(p[1]);
+      }
+      if (p.length === 4) {
+        tag.clip.dots = p.map(Number);
+      }
+    } else if (/^t\(/.test(text)) {
+      var p$1 = text
+        .match(/^t\((.*?)\)?$/)[1]
+        .trim()
+        .replace(/\\.*/, function (x) { return x.replace(/,/g, '\n'); })
+        .split(/\s*,\s*/);
+      if (!p$1[0]) { return tag; }
+      tag.t = {
+        t1: 0,
+        t2: 0,
+        accel: 1,
+        tags: p$1[p$1.length - 1]
+          .replace(/\n/g, ',')
+          .split('\\')
+          .slice(1)
+          .map(parseTag),
+      };
+      if (p$1.length === 2) {
+        tag.t.accel = p$1[0] * 1;
+      }
+      if (p$1.length === 3) {
+        tag.t.t1 = p$1[0] * 1;
+        tag.t.t2 = p$1[1] * 1;
+      }
+      if (p$1.length === 4) {
+        tag.t.t1 = p$1[0] * 1;
+        tag.t.t2 = p$1[1] * 1;
+        tag.t.accel = p$1[2] * 1;
+      }
+    }
 
-  var tag = {};
-  for (var i = 0; i < numRegexs.length; i++) {
-    var ref = numRegexs[i];
-    var name = ref.name;
-    var regex = ref.regex;
-    if (regex.test(text)) {
-      tag[name] = text.slice(name.length) * 1;
-      return tag;
+    return tag;
+  }
+
+  function parseTags(text) {
+    var tags = [];
+    var depth = 0;
+    var str = '';
+    for (var i = 0; i < text.length; i++) {
+      var x = text[i];
+      if (x === '(') { depth++; }
+      if (x === ')') { depth--; }
+      if (depth < 0) { depth = 0; }
+      if (!depth && x === '\\') {
+        if (str) {
+          tags.push(str);
+        }
+        str = '';
+      } else {
+        str += x;
+      }
     }
+    tags.push(str);
+    return tags.map(parseTag);
   }
-  if (/^fn/.test(text)) {
-    tag.fn = text.slice(2);
-  } else if (/^r/.test(text)) {
-    tag.r = text.slice(1);
-  } else if (/^fs[\d+-]/.test(text)) {
-    tag.fs = text.slice(2);
-  } else if (/^\d?c&?H?[0-9a-f]+|^\d?c$/i.test(text)) {
-    var ref$1 = text.match(/^(\d?)c&?H?(\w*)/);
-    var num = ref$1[1];
-    var color = ref$1[2];
-    tag[("c" + (num || 1))] = color && ("000000" + color).slice(-6);
-  } else if (/^\da&?H?[0-9a-f]+/i.test(text)) {
-    var ref$2 = text.match(/^(\d)a&?H?(\w\w)/);
-    var num$1 = ref$2[1];
-    var alpha = ref$2[2];
-    tag[("a" + num$1)] = alpha;
-  } else if (/^alpha&?H?[0-9a-f]+/i.test(text)) {
-    (assign = text.match(/^alpha&?H?([0-9a-f]+)/i), tag.alpha = assign[1]);
-    tag.alpha = ("00" + (tag.alpha)).slice(-2);
-  } else if (/^(?:pos|org|move|fad|fade)\(/.test(text)) {
-    var ref$3 = text.match(/^(\w+)\((.*?)\)?$/);
-    var key = ref$3[1];
-    var value = ref$3[2];
-    tag[key] = value
-      .trim()
-      .split(/\s*,\s*/)
-      .map(Number);
-  } else if (/^i?clip/.test(text)) {
-    var p = text
-      .match(/^i?clip\((.*?)\)?$/)[1]
-      .trim()
-      .split(/\s*,\s*/);
-    tag.clip = {
-      inverse: /iclip/.test(text),
-      scale: 1,
-      drawing: null,
-      dots: null,
-    };
-    if (p.length === 1) {
-      tag.clip.drawing = parseDrawing(p[0]);
+
+  function parseText(text) {
+    var pairs = text.split(/{([^{}]*?)}/);
+    var parsed = [];
+    if (pairs[0].length) {
+      parsed.push({ tags: [], text: pairs[0], drawing: [] });
     }
-    if (p.length === 2) {
-      tag.clip.scale = p[0] * 1;
-      tag.clip.drawing = parseDrawing(p[1]);
+    for (var i = 1; i < pairs.length; i += 2) {
+      var tags = parseTags(pairs[i]);
+      var isDrawing = tags.reduce(function (v, tag) { return (tag.p === undefined ? v : !!tag.p); }, false);
+      parsed.push({
+        tags: tags,
+        text: isDrawing ? '' : pairs[i + 1],
+        drawing: isDrawing ? parseDrawing(pairs[i + 1]) : [],
+      });
     }
-    if (p.length === 4) {
-      tag.clip.dots = p.map(Number);
-    }
-  } else if (/^t\(/.test(text)) {
-    var p$1 = text
-      .match(/^t\((.*?)\)?$/)[1]
-      .trim()
-      .replace(/\\.*/, function (x) { return x.replace(/,/g, '\n'); })
-      .split(/\s*,\s*/);
-    if (!p$1[0]) { return tag; }
-    tag.t = {
-      t1: 0,
-      t2: 0,
-      accel: 1,
-      tags: p$1[p$1.length - 1]
-        .replace(/\n/g, ',')
-        .split('\\')
-        .slice(1)
-        .map(parseTag),
+    return {
+      raw: text,
+      combined: parsed.map(function (frag) { return frag.text; }).join(''),
+      parsed: parsed,
     };
-    if (p$1.length === 2) {
-      tag.t.accel = p$1[0] * 1;
-    }
-    if (p$1.length === 3) {
-      tag.t.t1 = p$1[0] * 1;
-      tag.t.t2 = p$1[1] * 1;
-    }
-    if (p$1.length === 4) {
-      tag.t.t1 = p$1[0] * 1;
-      tag.t.t2 = p$1[1] * 1;
-      tag.t.accel = p$1[2] * 1;
-    }
   }
 
-  return tag;
-}
+  function parseTime(time) {
+    var t = time.split(':');
+    return t[0] * 3600 + t[1] * 60 + t[2] * 1;
+  }
 
-function parseTags(text) {
-  var tags = [];
-  var depth = 0;
-  var str = '';
-  for (var i = 0; i < text.length; i++) {
-    var x = text[i];
-    if (x === '(') { depth++; }
-    if (x === ')') { depth--; }
-    if (depth < 0) { depth = 0; }
-    if (!depth && x === '\\') {
-      if (str) {
-        tags.push(str);
+  function parseDialogue(text, format) {
+    var fields = text.split(',');
+    if (fields.length > format.length) {
+      var textField = fields.slice(format.length - 1).join();
+      fields = fields.slice(0, format.length - 1);
+      fields.push(textField);
+    }
+
+    var dia = {};
+    for (var i = 0; i < fields.length; i++) {
+      var fmt = format[i];
+      var fld = fields[i].trim();
+      switch (fmt) {
+        case 'Layer':
+        case 'MarginL':
+        case 'MarginR':
+        case 'MarginV':
+          dia[fmt] = fld * 1;
+          break;
+        case 'Start':
+        case 'End':
+          dia[fmt] = parseTime(fld);
+          break;
+        case 'Effect':
+          dia[fmt] = parseEffect(fld);
+          break;
+        case 'Text':
+          dia[fmt] = parseText(fld);
+          break;
+        default:
+          dia[fmt] = fld;
       }
-      str = '';
-    } else {
-      str += x;
     }
-  }
-  tags.push(str);
-  return tags.map(parseTag);
-}
 
-function parseText(text) {
-  var pairs = text.split(/{([^{}]*?)}/);
-  var parsed = [];
-  if (pairs[0].length) {
-    parsed.push({ tags: [], text: pairs[0], drawing: [] });
+    return dia;
   }
-  for (var i = 1; i < pairs.length; i += 2) {
-    var tags = parseTags(pairs[i]);
-    var isDrawing = tags.reduce(function (v, tag) { return (tag.p === undefined ? v : !!tag.p); }, false);
-    parsed.push({
-      tags: tags,
-      text: isDrawing ? '' : pairs[i + 1],
-      drawing: isDrawing ? parseDrawing(pairs[i + 1]) : [],
-    });
-  }
-  return {
-    raw: text,
-    combined: parsed.map(function (frag) { return frag.text; }).join(''),
-    parsed: parsed,
-  };
-}
 
-function parseTime(time) {
-  var t = time.split(':');
-  return t[0] * 3600 + t[1] * 60 + t[2] * 1;
-}
-
-function parseDialogue(text, format) {
-  var fields = text.split(',');
-  if (fields.length > format.length) {
-    var textField = fields.slice(format.length - 1).join();
-    fields = fields.slice(0, format.length - 1);
-    fields.push(textField);
+  function parseFormat(text) {
+    return text.match(/Format\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
   }
 
-  var dia = {};
-  for (var i = 0; i < fields.length; i++) {
-    var fmt = format[i];
-    var fld = fields[i].trim();
-    switch (fmt) {
-      case 'Layer':
-      case 'MarginL':
-      case 'MarginR':
-      case 'MarginV':
-        dia[fmt] = fld * 1;
-        break;
-      case 'Start':
-      case 'End':
-        dia[fmt] = parseTime(fld);
-        break;
-      case 'Effect':
-        dia[fmt] = parseEffect(fld);
-        break;
-      case 'Text':
-        dia[fmt] = parseText(fld);
-        break;
-      default:
-        dia[fmt] = fld;
-    }
+  function parseStyle(text) {
+    return text.match(/Style\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
   }
 
-  return dia;
-}
+  function parse(text) {
+    var tree = {
+      info: {},
+      styles: { format: [], style: [] },
+      events: { format: [], comment: [], dialogue: [] },
+    };
+    var lines = text.split(/\r?\n/);
+    var state = 0;
+    for (var i = 0; i < lines.length; i++) {
+      var line = lines[i].trim();
+      if (/^;/.test(line)) { continue; }
 
-function parseFormat(text) {
-  return text.match(/Format\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
-}
+      if (/^\[Script Info\]/i.test(line)) { state = 1; }
+      else if (/^\[V4\+? Styles\]/i.test(line)) { state = 2; }
+      else if (/^\[Events\]/i.test(line)) { state = 3; }
+      else if (/^\[.*\]/.test(line)) { state = 0; }
 
-function parseStyle(text) {
-  return text.match(/Style\s*:\s*(.*)/i)[1].split(/\s*,\s*/);
-}
-
-function parse(text) {
-  var tree = {
-    info: {},
-    styles: { format: [], style: [] },
-    events: { format: [], comment: [], dialogue: [] },
-  };
-  var lines = text.split(/\r?\n/);
-  var state = 0;
-  for (var i = 0; i < lines.length; i++) {
-    var line = lines[i].trim();
-    if (/^;/.test(line)) { continue; }
-
-    if (/^\[Script Info\]/i.test(line)) { state = 1; }
-    else if (/^\[V4\+? Styles\]/i.test(line)) { state = 2; }
-    else if (/^\[Events\]/i.test(line)) { state = 3; }
-    else if (/^\[.*\]/.test(line)) { state = 0; }
-
-    if (state === 0) { continue; }
-    if (state === 1) {
-      if (/:/.test(line)) {
-        var ref = line.match(/(.*?)\s*:\s*(.*)/);
-        var key = ref[1];
-        var value = ref[2];
-        tree.info[key] = value;
+      if (state === 0) { continue; }
+      if (state === 1) {
+        if (/:/.test(line)) {
+          var ref = line.match(/(.*?)\s*:\s*(.*)/);
+          var key = ref[1];
+          var value = ref[2];
+          tree.info[key] = value;
+        }
       }
-    }
-    if (state === 2) {
-      if (/^Format\s*:/i.test(line)) {
-        tree.styles.format = parseFormat(line);
+      if (state === 2) {
+        if (/^Format\s*:/i.test(line)) {
+          tree.styles.format = parseFormat(line);
+        }
+        if (/^Style\s*:/i.test(line)) {
+          tree.styles.style.push(parseStyle(line));
+        }
       }
-      if (/^Style\s*:/i.test(line)) {
-        tree.styles.style.push(parseStyle(line));
+      if (state === 3) {
+        if (/^Format\s*:/i.test(line)) {
+          tree.events.format = parseFormat(line);
+        }
+        if (/^(?:Comment|Dialogue)\s*:/i.test(line)) {
+          var ref$1 = line.match(/^(\w+?)\s*:\s*(.*)/i);
+          var key$1 = ref$1[1];
+          var value$1 = ref$1[2];
+          tree.events[key$1.toLowerCase()].push(parseDialogue(value$1, tree.events.format));
+        }
       }
     }
-    if (state === 3) {
-      if (/^Format\s*:/i.test(line)) {
-        tree.events.format = parseFormat(line);
-      }
-      if (/^(?:Comment|Dialogue)\s*:/i.test(line)) {
-        var ref$1 = line.match(/^(\w+?)\s*:\s*(.*)/i);
-        var key$1 = ref$1[1];
-        var value$1 = ref$1[2];
-        tree.events[key$1.toLowerCase()].push(parseDialogue(value$1, tree.events.format));
-      }
-    }
+
+    return tree;
   }
 
-  return tree;
-}
+  var assign = Object.assign || (
+    /* istanbul ignore next */
+    function assign(target) {
+      var sources = [], len = arguments.length - 1;
+      while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];
 
-var assign = Object.assign || (
-  /* istanbul ignore next */
-  function assign(target) {
-    var sources = [], len = arguments.length - 1;
-    while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];
-
-    for (var i = 0; i < sources.length; i++) {
-      if (!sources[i]) { continue; }
-      var keys = Object.keys(sources[i]);
-      for (var j = 0; j < keys.length; j++) {
-        // eslint-disable-next-line no-param-reassign
-        target[keys[j]] = sources[i][keys[j]];
+      for (var i = 0; i < sources.length; i++) {
+        if (!sources[i]) { continue; }
+        var keys = Object.keys(sources[i]);
+        for (var j = 0; j < keys.length; j++) {
+          // eslint-disable-next-line no-param-reassign
+          target[keys[j]] = sources[i][keys[j]];
+        }
       }
+      return target;
     }
-    return target;
-  }
-);
+  );
 
-function createCommand(arr) {
-  var cmd = {
-    type: null,
-    prev: null,
-    next: null,
-    points: [],
-  };
-  if (/[mnlbs]/.test(arr[0])) {
-    cmd.type = arr[0]
-      .toUpperCase()
-      .replace('N', 'L')
-      .replace('B', 'C');
+  function createCommand(arr) {
+    var cmd = {
+      type: null,
+      prev: null,
+      next: null,
+      points: [],
+    };
+    if (/[mnlbs]/.test(arr[0])) {
+      cmd.type = arr[0]
+        .toUpperCase()
+        .replace('N', 'L')
+        .replace('B', 'C');
+    }
+    for (var len = arr.length - !(arr.length & 1), i = 1; i < len; i += 2) {
+      cmd.points.push({ x: arr[i] * 1, y: arr[i + 1] * 1 });
+    }
+    return cmd;
   }
-  for (var len = arr.length - !(arr.length & 1), i = 1; i < len; i += 2) {
-    cmd.points.push({ x: arr[i] * 1, y: arr[i + 1] * 1 });
-  }
-  return cmd;
-}
 
-function isValid(cmd) {
-  if (!cmd.points.length || !cmd.type) {
-    return false;
+  function isValid(cmd) {
+    if (!cmd.points.length || !cmd.type) {
+      return false;
+    }
+    if (/C|S/.test(cmd.type) && cmd.points.length < 3) {
+      return false;
+    }
+    return true;
   }
-  if (/C|S/.test(cmd.type) && cmd.points.length < 3) {
-    return false;
-  }
-  return true;
-}
 
-function getViewBox(commands) {
-  var ref;
+  function getViewBox(commands) {
+    var ref;
 
-  var minX = Infinity;
-  var minY = Infinity;
-  var maxX = -Infinity;
-  var maxY = -Infinity;
-  (ref = []).concat.apply(ref, commands.map(function (ref) {
-    var points = ref.points;
+    var minX = Infinity;
+    var minY = Infinity;
+    var maxX = -Infinity;
+    var maxY = -Infinity;
+    (ref = []).concat.apply(ref, commands.map(function (ref) {
+      var points = ref.points;
 
-    return points;
-  })).forEach(function (ref) {
-    var x = ref.x;
-    var y = ref.y;
+      return points;
+    })).forEach(function (ref) {
+      var x = ref.x;
+      var y = ref.y;
 
-    minX = Math.min(minX, x);
-    minY = Math.min(minY, y);
-    maxX = Math.max(maxX, x);
-    maxY = Math.max(maxY, y);
-  });
-  return {
-    minX: minX,
-    minY: minY,
-    width: maxX - minX,
-    height: maxY - minY,
-  };
-}
+      minX = Math.min(minX, x);
+      minY = Math.min(minY, y);
+      maxX = Math.max(maxX, x);
+      maxY = Math.max(maxY, y);
+    });
+    return {
+      minX: minX,
+      minY: minY,
+      width: maxX - minX,
+      height: maxY - minY,
+    };
+  }
 
-/**
- * Convert S command to B command
- * Reference from https://github.com/d3/d3/blob/v3.5.17/src/svg/line.js#L259
- * @param  {Array}  points points
- * @param  {String} prev   type of previous command
- * @param  {String} next   type of next command
- * @return {Array}         converted commands
- */
-function s2b(points, prev, next) {
-  var results = [];
-  var bb1 = [0, 2 / 3, 1 / 3, 0];
-  var bb2 = [0, 1 / 3, 2 / 3, 0];
-  var bb3 = [0, 1 / 6, 2 / 3, 1 / 6];
-  var dot4 = function (a, b) { return (a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]); };
-  var px = [points[points.length - 1].x, points[0].x, points[1].x, points[2].x];
-  var py = [points[points.length - 1].y, points[0].y, points[1].y, points[2].y];
-  results.push({
-    type: prev === 'M' ? 'M' : 'L',
-    points: [{ x: dot4(bb3, px), y: dot4(bb3, py) }],
-  });
-  for (var i = 3; i < points.length; i++) {
-    px = [points[i - 3].x, points[i - 2].x, points[i - 1].x, points[i].x];
-    py = [points[i - 3].y, points[i - 2].y, points[i - 1].y, points[i].y];
+  /**
+   * Convert S command to B command
+   * Reference from https://github.com/d3/d3/blob/v3.5.17/src/svg/line.js#L259
+   * @param  {Array}  points points
+   * @param  {String} prev   type of previous command
+   * @param  {String} next   type of next command
+   * @return {Array}         converted commands
+   */
+  function s2b(points, prev, next) {
+    var results = [];
+    var bb1 = [0, 2 / 3, 1 / 3, 0];
+    var bb2 = [0, 1 / 3, 2 / 3, 0];
+    var bb3 = [0, 1 / 6, 2 / 3, 1 / 6];
+    var dot4 = function (a, b) { return (a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]); };
+    var px = [points[points.length - 1].x, points[0].x, points[1].x, points[2].x];
+    var py = [points[points.length - 1].y, points[0].y, points[1].y, points[2].y];
     results.push({
-      type: 'C',
-      points: [
-        { x: dot4(bb1, px), y: dot4(bb1, py) },
-        { x: dot4(bb2, px), y: dot4(bb2, py) },
-        { x: dot4(bb3, px), y: dot4(bb3, py) } ],
+      type: prev === 'M' ? 'M' : 'L',
+      points: [{ x: dot4(bb3, px), y: dot4(bb3, py) }],
     });
+    for (var i = 3; i < points.length; i++) {
+      px = [points[i - 3].x, points[i - 2].x, points[i - 1].x, points[i].x];
+      py = [points[i - 3].y, points[i - 2].y, points[i - 1].y, points[i].y];
+      results.push({
+        type: 'C',
+        points: [
+          { x: dot4(bb1, px), y: dot4(bb1, py) },
+          { x: dot4(bb2, px), y: dot4(bb2, py) },
+          { x: dot4(bb3, px), y: dot4(bb3, py) } ],
+      });
+    }
+    if (next === 'L' || next === 'C') {
+      var last = points[points.length - 1];
+      results.push({ type: 'L', points: [{ x: last.x, y: last.y }] });
+    }
+    return results;
   }
-  if (next === 'L' || next === 'C') {
-    var last = points[points.length - 1];
-    results.push({ type: 'L', points: [{ x: last.x, y: last.y }] });
-  }
-  return results;
-}
 
-function toSVGPath(instructions) {
-  return instructions.map(function (ref) {
-    var type = ref.type;
-    var points = ref.points;
+  function toSVGPath(instructions) {
+    return instructions.map(function (ref) {
+      var type = ref.type;
+      var points = ref.points;
 
-    return (
-    type + points.map(function (ref) {
-      var x = ref.x;
-      var y = ref.y;
+      return (
+      type + points.map(function (ref) {
+        var x = ref.x;
+        var y = ref.y;
 
-      return (x + "," + y);
-    }).join(',')
-  );
-  }).join('');
-}
+        return (x + "," + y);
+      }).join(',')
+    );
+    }).join('');
+  }
 
-function compileDrawing(rawCommands) {
-  var ref$1;
+  function compileDrawing(rawCommands) {
+    var ref$1;
 
-  var commands = [];
-  var i = 0;
-  while (i < rawCommands.length) {
-    var arr = rawCommands[i];
-    var cmd = createCommand(arr);
-    if (cmd.type) {
-      if (cmd.type === 'S') {
-        var ref = commands[i - 1].points.slice(-1)[0];
-        var x = ref.x;
-        var y = ref.y;
-        cmd.points.unshift({ x: x, y: y });
-      }
+    var commands = [];
+    var i = 0;
+    while (i < rawCommands.length) {
+      var arr = rawCommands[i];
+      var cmd = createCommand(arr);
       if (isValid(cmd)) {
+        if (cmd.type === 'S') {
+          var ref = (commands[i - 1] || { points: [{ x: 0, y: 0 }] }).points.slice(-1)[0];
+          var x = ref.x;
+          var y = ref.y;
+          cmd.points.unshift({ x: x, y: y });
+        }
         if (i) {
@@ -440,413 +445,412 @@ cmd.prev = commands[i - 1].type;
         commands.push(cmd);
-      }
-      i++;
-    } else {
-      if (commands[i - 1].type === 'S') {
-        var additionPoints = {
-          p: cmd.points,
-          c: commands[i - 1].points.slice(0, 3),
-        };
-        commands[i - 1].points = commands[i - 1].points.concat(
-          (additionPoints[arr[0]] || []).map(function (ref) {
-            var x = ref.x;
-            var y = ref.y;
+        i++;
+      } else {
+        if (i && commands[i - 1].type === 'S') {
+          var additionPoints = {
+            p: cmd.points,
+            c: commands[i - 1].points.slice(0, 3),
+          };
+          commands[i - 1].points = commands[i - 1].points.concat(
+            (additionPoints[arr[0]] || []).map(function (ref) {
+              var x = ref.x;
+              var y = ref.y;
 
-            return ({ x: x, y: y });
-        })
-        );
+              return ({ x: x, y: y });
+          })
+          );
+        }
+        rawCommands.splice(i, 1);
       }
-      rawCommands.splice(i, 1);
     }
-  }
-  var instructions = (ref$1 = []).concat.apply(
-    ref$1, commands.map(function (ref) {
-      var type = ref.type;
-      var points = ref.points;
-      var prev = ref.prev;
-      var next = ref.next;
+    var instructions = (ref$1 = []).concat.apply(
+      ref$1, commands.map(function (ref) {
+        var type = ref.type;
+        var points = ref.points;
+        var prev = ref.prev;
+        var next = ref.next;
 
-      return (
-      type === 'S'
-        ? s2b(points, prev, next)
-        : { type: type, points: points }
+        return (
+        type === 'S'
+          ? s2b(points, prev, next)
+          : { type: type, points: points }
+      );
+    })
     );
-  })
-  );
 
-  return assign({ instructions: instructions, d: toSVGPath(instructions) }, getViewBox(commands));
-}
+    return assign({ instructions: instructions, d: toSVGPath(instructions) }, getViewBox(commands));
+  }
 
-var tTags = [
-  'fs', 'clip',
-  'c1', 'c2', 'c3', 'c4', 'a1', 'a2', 'a3', 'a4', 'alpha',
-  'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
-  'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
+  var tTags = [
+    'fs', 'clip',
+    'c1', 'c2', 'c3', 'c4', 'a1', 'a2', 'a3', 'a4', 'alpha',
+    'fscx', 'fscy', 'fax', 'fay', 'frx', 'fry', 'frz', 'fr',
+    'be', 'blur', 'bord', 'xbord', 'ybord', 'shad', 'xshad', 'yshad' ];
 
-function compileTag(tag, key, presets) {
-  var obj, obj$1, obj$2;
+  function compileTag(tag, key, presets) {
+    var obj, obj$1, obj$2;
 
-  if ( presets === void 0 ) presets = {};
-  var value = tag[key];
-  if (value === undefined) {
-    return null;
-  }
-  if (key === 'pos' || key === 'org') {
-    return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj) : null;
-  }
-  if (key === 'move') {
-    var x1 = value[0];
-    var y1 = value[1];
-    var x2 = value[2];
-    var y2 = value[3];
-    var t1 = value[4]; if ( t1 === void 0 ) t1 = 0;
-    var t2 = value[5]; if ( t2 === void 0 ) t2 = 0;
-    return value.length === 4 || value.length === 6
-      ? { move: { x1: x1, y1: y1, x2: x2, y2: y2, t1: t1, t2: t2 } }
-      : null;
-  }
-  if (key === 'fad' || key === 'fade') {
-    if (value.length === 2) {
-      var t1$1 = value[0];
-      var t2$1 = value[1];
-      return { fade: { type: 'fad', t1: t1$1, t2: t2$1 } };
+    if ( presets === void 0 ) presets = {};
+    var value = tag[key];
+    if (value === undefined) {
+      return null;
     }
-    if (value.length === 7) {
-      var a1 = value[0];
-      var a2 = value[1];
-      var a3 = value[2];
-      var t1$2 = value[3];
-      var t2$2 = value[4];
-      var t3 = value[5];
-      var t4 = value[6];
-      return { fade: { type: 'fade', a1: a1, a2: a2, a3: a3, t1: t1$2, t2: t2$2, t3: t3, t4: t4 } };
+    if (key === 'pos' || key === 'org') {
+      return value.length === 2 ? ( obj = {}, obj[key] = { x: value[0], y: value[1] }, obj) : null;
     }
-    return null;
-  }
-  if (key === 'clip') {
-    var inverse = value.inverse;
-    var scale = value.scale;
-    var drawing = value.drawing;
-    var dots = value.dots;
-    if (drawing) {
-      return { clip: { inverse: inverse, scale: scale, drawing: compileDrawing(drawing), dots: dots } };
+    if (key === 'move') {
+      var x1 = value[0];
+      var y1 = value[1];
+      var x2 = value[2];
+      var y2 = value[3];
+      var t1 = value[4]; if ( t1 === void 0 ) t1 = 0;
+      var t2 = value[5]; if ( t2 === void 0 ) t2 = 0;
+      return value.length === 4 || value.length === 6
+        ? { move: { x1: x1, y1: y1, x2: x2, y2: y2, t1: t1, t2: t2 } }
+        : null;
     }
-    if (dots) {
-      var x1$1 = dots[0];
-      var y1$1 = dots[1];
-      var x2$1 = dots[2];
-      var y2$1 = dots[3];
-      return { clip: { inverse: inverse, scale: scale, drawing: drawing, dots: { x1: x1$1, y1: y1$1, x2: x2$1, y2: y2$1 } } };
+    if (key === 'fad' || key === 'fade') {
+      if (value.length === 2) {
+        var t1$1 = value[0];
+        var t2$1 = value[1];
+        return { fade: { type: 'fad', t1: t1$1, t2: t2$1 } };
+      }
+      if (value.length === 7) {
+        var a1 = value[0];
+        var a2 = value[1];
+        var a3 = value[2];
+        var t1$2 = value[3];
+        var t2$2 = value[4];
+        var t3 = value[5];
+        var t4 = value[6];
+        return { fade: { type: 'fade', a1: a1, a2: a2, a3: a3, t1: t1$2, t2: t2$2, t3: t3, t4: t4 } };
+      }
+      return null;
     }
-    return null;
-  }
-  if (/^[xy]?(bord|shad)$/.test(key)) {
-    value = Math.max(value, 0);
-  }
-  if (key === 'bord') {
-    return { xbord: value, ybord: value };
-  }
-  if (key === 'shad') {
-    return { xshad: value, yshad: value };
-  }
-  if (/^c\d$/.test(key)) {
-    return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1);
-  }
-  if (key === 'alpha') {
-    return { a1: value, a2: value, a3: value, a4: value };
-  }
-  if (key === 'fr') {
-    return { frz: value };
-  }
-  if (key === 'fs') {
-    return {
-      fs: /^\+|-/.test(value)
-        ? (value * 1 > -10 ? (1 + value / 10) : 1) * presets.fs
-        : value * 1,
-    };
-  }
-  if (key === 't') {
-    var t1$3 = value.t1;
-    var accel = value.accel;
-    var tags = value.tags;
-    var t2$3 = value.t2 || (presets.end - presets.start) * 1e3;
-    var compiledTag = {};
-    tags.forEach(function (t) {
-      var k = Object.keys(t)[0];
-      if (~tTags.indexOf(k) && !(k === 'clip' && !t[k].dots)) {
-        assign(compiledTag, compileTag(t, k, presets));
+    if (key === 'clip') {
+      var inverse = value.inverse;
+      var scale = value.scale;
+      var drawing = value.drawing;
+      var dots = value.dots;
+      if (drawing) {
+        return { clip: { inverse: inverse, scale: scale, drawing: compileDrawing(drawing), dots: dots } };
       }
-    });
-    return { t: { t1: t1$3, t2: t2$3, accel: accel, tag: compiledTag } };
+      if (dots) {
+        var x1$1 = dots[0];
+        var y1$1 = dots[1];
+        var x2$1 = dots[2];
+        var y2$1 = dots[3];
+        return { clip: { inverse: inverse, scale: scale, drawing: drawing, dots: { x1: x1$1, y1: y1$1, x2: x2$1, y2: y2$1 } } };
+      }
+      return null;
+    }
+    if (/^[xy]?(bord|shad)$/.test(key)) {
+      value = Math.max(value, 0);
+    }
+    if (key === 'bord') {
+      return { xbord: value, ybord: value };
+    }
+    if (key === 'shad') {
+      return { xshad: value, yshad: value };
+    }
+    if (/^c\d$/.test(key)) {
+      return ( obj$1 = {}, obj$1[key] = value || presets[key], obj$1);
+    }
+    if (key === 'alpha') {
+      return { a1: value, a2: value, a3: value, a4: value };
+    }
+    if (key === 'fr') {
+      return { frz: value };
+    }
+    if (key === 'fs') {
+      return {
+        fs: /^\+|-/.test(value)
+          ? (value * 1 > -10 ? (1 + value / 10) : 1) * presets.fs
+          : value * 1,
+      };
+    }
+    if (key === 't') {
+      var t1$3 = value.t1;
+      var accel = value.accel;
+      var tags = value.tags;
+      var t2$3 = value.t2 || (presets.end - presets.start) * 1e3;
+      var compiledTag = {};
+      tags.forEach(function (t) {
+        var k = Object.keys(t)[0];
+        if (~tTags.indexOf(k) && !(k === 'clip' && !t[k].dots)) {
+          assign(compiledTag, compileTag(t, k, presets));
+        }
+      });
+      return { t: { t1: t1$3, t2: t2$3, accel: accel, tag: compiledTag } };
+    }
+    return ( obj$2 = {}, obj$2[key] = value, obj$2);
   }
-  return ( obj$2 = {}, obj$2[key] = value, obj$2);
-}
 
-var a2an = [
-  null, 1, 2, 3,
-  null, 7, 8, 9,
-  null, 4, 5, 6 ];
+  var a2an = [
+    null, 1, 2, 3,
+    null, 7, 8, 9,
+    null, 4, 5, 6 ];
 
-var globalTags = ['r', 'a', 'an', 'pos', 'org', 'move', 'fade', 'fad', 'clip'];
+  var globalTags = ['r', 'a', 'an', 'pos', 'org', 'move', 'fade', 'fad', 'clip'];
 
-function createSlice(name, styles) {
-  return {
-    name: name,
-    borderStyle: styles[name].style.BorderStyle,
-    tag: styles[name].tag,
-    fragments: [],
-  };
-}
+  function createSlice(name, styles) {
+    return {
+      name: name,
+      borderStyle: styles[name].style.BorderStyle,
+      tag: styles[name].tag,
+      fragments: [],
+    };
+  }
 
-function compileText(ref) {
-  var styles = ref.styles;
-  var name = ref.name;
-  var parsed = ref.parsed;
-  var start = ref.start;
-  var end = ref.end;
+  function compileText(ref) {
+    var styles = ref.styles;
+    var name = ref.name;
+    var parsed = ref.parsed;
+    var start = ref.start;
+    var end = ref.end;
 
-  var alignment;
-  var pos;
-  var org;
-  var move;
-  var fade;
-  var clip;
-  var slices = [];
-  var slice = createSlice(name, styles);
-  var prevTag = {};
-  for (var i = 0; i < parsed.length; i++) {
-    var ref$1 = parsed[i];
-    var tags = ref$1.tags;
-    var text = ref$1.text;
-    var drawing = ref$1.drawing;
-    var reset = (void 0);
-    for (var j = 0; j < tags.length; j++) {
-      var tag = tags[j];
-      reset = tag.r === undefined ? reset : tag.r;
-    }
-    var fragment = {
-      tag: reset === undefined ? JSON.parse(JSON.stringify(prevTag)) : {},
-      text: text,
-      drawing: drawing.length ? compileDrawing(drawing) : null,
-    };
-    for (var j$1 = 0; j$1 < tags.length; j$1++) {
-      var tag$1 = tags[j$1];
-      alignment = alignment || a2an[tag$1.a || 0] || tag$1.an;
-      pos = pos || compileTag(tag$1, 'pos');
-      org = org || compileTag(tag$1, 'org');
-      move = move || compileTag(tag$1, 'move');
-      fade = fade || compileTag(tag$1, 'fade') || compileTag(tag$1, 'fad');
-      clip = compileTag(tag$1, 'clip') || clip;
-      var key = Object.keys(tag$1)[0];
-      if (key && !~globalTags.indexOf(key)) {
-        var ref$2 = slice.tag;
-        var c1 = ref$2.c1;
-        var c2 = ref$2.c2;
-        var c3 = ref$2.c3;
-        var c4 = ref$2.c4;
-        var fs = prevTag.fs || slice.tag.fs;
-        var compiledTag = compileTag(tag$1, key, { start: start, end: end, c1: c1, c2: c2, c3: c3, c4: c4, fs: fs });
-        if (key === 't') {
-          fragment.tag.t = fragment.tag.t || [];
-          fragment.tag.t.push(compiledTag.t);
+    var alignment;
+    var pos;
+    var org;
+    var move;
+    var fade;
+    var clip;
+    var slices = [];
+    var slice = createSlice(name, styles);
+    var prevTag = {};
+    for (var i = 0; i < parsed.length; i++) {
+      var ref$1 = parsed[i];
+      var tags = ref$1.tags;
+      var text = ref$1.text;
+      var drawing = ref$1.drawing;
+      var reset = (void 0);
+      for (var j = 0; j < tags.length; j++) {
+        var tag = tags[j];
+        reset = tag.r === undefined ? reset : tag.r;
+      }
+      var fragment = {
+        tag: reset === undefined ? JSON.parse(JSON.stringify(prevTag)) : {},
+        text: text,
+        drawing: drawing.length ? compileDrawing(drawing) : null,
+      };
+      for (var j$1 = 0; j$1 < tags.length; j$1++) {
+        var tag$1 = tags[j$1];
+        alignment = alignment || a2an[tag$1.a || 0] || tag$1.an;
+        pos = pos || compileTag(tag$1, 'pos');
+        org = org || compileTag(tag$1, 'org');
+        move = move || compileTag(tag$1, 'move');
+        fade = fade || compileTag(tag$1, 'fade') || compileTag(tag$1, 'fad');
+        clip = compileTag(tag$1, 'clip') || clip;
+        var key = Object.keys(tag$1)[0];
+        if (key && !~globalTags.indexOf(key)) {
+          var ref$2 = slice.tag;
+          var c1 = ref$2.c1;
+          var c2 = ref$2.c2;
+          var c3 = ref$2.c3;
+          var c4 = ref$2.c4;
+          var fs = prevTag.fs || slice.tag.fs;
+          var compiledTag = compileTag(tag$1, key, { start: start, end: end, c1: c1, c2: c2, c3: c3, c4: c4, fs: fs });
+          if (key === 't') {
+            fragment.tag.t = fragment.tag.t || [];
+            fragment.tag.t.push(compiledTag.t);
+          } else {
+            assign(fragment.tag, compiledTag);
+          }
+        }
+      }
+      prevTag = fragment.tag;
+      if (reset !== undefined) {
+        slices.push(slice);
+        slice = createSlice(styles[reset] ? reset : name, styles);
+      }
+      if (fragment.text || fragment.drawing) {
+        var prev = slice.fragments[slice.fragments.length - 1] || {};
+        if (prev.text && fragment.text && !Object.keys(fragment.tag).length) {
+          // merge fragment to previous if its tag is empty
+          prev.text += fragment.text;
         } else {
-          assign(fragment.tag, compiledTag);
+          slice.fragments.push(fragment);
         }
       }
     }
-    prevTag = fragment.tag;
-    if (reset !== undefined) {
-      slices.push(slice);
-      slice = createSlice(styles[reset] ? reset : name, styles);
-    }
-    if (fragment.text || fragment.drawing) {
-      var prev = slice.fragments[slice.fragments.length - 1] || {};
-      if (prev.text && fragment.text && !Object.keys(fragment.tag).length) {
-        // merge fragment to previous if its tag is empty
-        prev.text += fragment.text;
-      } else {
-        slice.fragments.push(fragment);
-      }
-    }
+    slices.push(slice);
+
+    return assign({ alignment: alignment, slices: slices }, pos, org, move, fade, clip);
   }
-  slices.push(slice);
 
-  return assign({ alignment: alignment, slices: slices }, pos, org, move, fade, clip);
-}
+  function compileDialogues(ref) {
+    var styles = ref.styles;
+    var dialogues = ref.dialogues;
 
-function compileDialogues(ref) {
-  var styles = ref.styles;
-  var dialogues = ref.dialogues;
-
-  var minLayer = Infinity;
-  var results = [];
-  for (var i = 0; i < dialogues.length; i++) {
-    var dia = dialogues[i];
-    if (dia.Start >= dia.End) {
-      continue;
+    var minLayer = Infinity;
+    var results = [];
+    for (var i = 0; i < dialogues.length; i++) {
+      var dia = dialogues[i];
+      if (dia.Start >= dia.End) {
+        continue;
+      }
+      if (!styles[dia.Style]) {
+        dia.Style = 'Default';
+      }
+      var stl = styles[dia.Style].style;
+      var compiledText = compileText({
+        styles: styles,
+        name: dia.Style,
+        parsed: dia.Text.parsed,
+        start: dia.Start,
+        end: dia.End,
+      });
+      var alignment = compiledText.alignment || stl.Alignment;
+      minLayer = Math.min(minLayer, dia.Layer);
+      results.push(assign({
+        layer: dia.Layer,
+        start: dia.Start,
+        end: dia.End,
+        // reset style by `\r` will not effect margin and alignment
+        margin: {
+          left: dia.MarginL || stl.MarginL,
+          right: dia.MarginR || stl.MarginR,
+          vertical: dia.MarginV || stl.MarginV,
+        },
+        effect: dia.Effect,
+      }, compiledText, { alignment: alignment }));
     }
-    if (!styles[dia.Style]) {
-      dia.Style = 'Default';
+    for (var i$1 = 0; i$1 < results.length; i$1++) {
+      results[i$1].layer -= minLayer;
     }
-    var stl = styles[dia.Style].style;
-    var compiledText = compileText({
-      styles: styles,
-      name: dia.Style,
-      parsed: dia.Text.parsed,
-      start: dia.Start,
-      end: dia.End,
-    });
-    var alignment = compiledText.alignment || stl.Alignment;
-    minLayer = Math.min(minLayer, dia.Layer);
-    results.push(assign({
-      layer: dia.Layer,
-      start: dia.Start,
-      end: dia.End,
-      // reset style by `\r` will not effect margin and alignment
-      margin: {
-        left: dia.MarginL || stl.MarginL,
-        right: dia.MarginR || stl.MarginR,
-        vertical: dia.MarginV || stl.MarginV,
-      },
-      effect: dia.Effect,
-    }, compiledText, { alignment: alignment }));
+    return results.sort(function (a, b) { return a.start - b.start || a.end - b.end; });
   }
-  for (var i$1 = 0; i$1 < results.length; i$1++) {
-    results[i$1].layer -= minLayer;
-  }
-  return results.sort(function (a, b) { return a.start - b.start || a.end - b.end; });
-}
 
-// same as Aegisub
-// https://github.com/Aegisub/Aegisub/blob/master/src/ass_style.h
-var DEFAULT_STYLE = {
-  Name: 'Default',
-  Fontname: 'Arial',
-  Fontsize: '20',
-  PrimaryColour: '&H00FFFFFF&',
-  SecondaryColour: '&H000000FF&',
-  OutlineColour: '&H00000000&',
-  BackColour: '&H00000000&',
-  Bold: '0',
-  Italic: '0',
-  Underline: '0',
-  StrikeOut: '0',
-  ScaleX: '100',
-  ScaleY: '100',
-  Spacing: '0',
-  Angle: '0',
-  BorderStyle: '1',
-  Outline: '2',
-  Shadow: '2',
-  Alignment: '2',
-  MarginL: '10',
-  MarginR: '10',
-  MarginV: '10',
-  Encoding: '1',
-};
+  // same as Aegisub
+  // https://github.com/Aegisub/Aegisub/blob/master/src/ass_style.h
+  var DEFAULT_STYLE = {
+    Name: 'Default',
+    Fontname: 'Arial',
+    Fontsize: '20',
+    PrimaryColour: '&H00FFFFFF&',
+    SecondaryColour: '&H000000FF&',
+    OutlineColour: '&H00000000&',
+    BackColour: '&H00000000&',
+    Bold: '0',
+    Italic: '0',
+    Underline: '0',
+    StrikeOut: '0',
+    ScaleX: '100',
+    ScaleY: '100',
+    Spacing: '0',
+    Angle: '0',
+    BorderStyle: '1',
+    Outline: '2',
+    Shadow: '2',
+    Alignment: '2',
+    MarginL: '10',
+    MarginR: '10',
+    MarginV: '10',
+    Encoding: '1',
+  };
 
-function parseStyleColor(color) {
-  var ref = color.match(/&H(\w\w)?(\w{6})&?/);
-  var a = ref[1];
-  var c = ref[2];
-  return [a || '00', c];
-}
+  function parseStyleColor(color) {
+    var ref = color.match(/&H(\w\w)?(\w{6})&?/);
+    var a = ref[1];
+    var c = ref[2];
+    return [a || '00', c];
+  }
 
-function compileStyles(ref) {
-  var info = ref.info;
-  var style = ref.style;
-  var format = ref.format;
-  var defaultStyle = ref.defaultStyle;
+  function compileStyles(ref) {
+    var info = ref.info;
+    var style = ref.style;
+    var format = ref.format;
+    var defaultStyle = ref.defaultStyle;
 
-  var result = {};
-  var styles = [
-    assign({}, DEFAULT_STYLE, defaultStyle, { Name: 'Default' }) ].concat( style.map(function (stl) {
-      var s = {};
-      for (var i = 0; i < format.length; i++) {
-        s[format[i]] = stl[i];
+    var result = {};
+    var styles = [
+      assign({}, DEFAULT_STYLE, defaultStyle, { Name: 'Default' }) ].concat( style.map(function (stl) {
+        var s = {};
+        for (var i = 0; i < format.length; i++) {
+          s[format[i]] = stl[i];
+        }
+        return s;
+      }) );
+    var loop = function ( i ) {
+      var s = styles[i];
+      // this behavior is same as Aegisub by black-box testing
+      if (/^(\*+)Default$/.test(s.Name)) {
+        s.Name = 'Default';
       }
-      return s;
-    }) );
-  var loop = function ( i ) {
-    var s = styles[i];
-    // this behavior is same as Aegisub by black-box testing
-    if (/^(\*+)Default$/.test(s.Name)) {
-      s.Name = 'Default';
-    }
-    Object.keys(s).forEach(function (key) {
-      if (key !== 'Name' && key !== 'Fontname' && !/Colour/.test(key)) {
-        s[key] *= 1;
-      }
-    });
-    var ref$1 = parseStyleColor(s.PrimaryColour);
-    var a1 = ref$1[0];
-    var c1 = ref$1[1];
-    var ref$2 = parseStyleColor(s.SecondaryColour);
-    var a2 = ref$2[0];
-    var c2 = ref$2[1];
-    var ref$3 = parseStyleColor(s.OutlineColour);
-    var a3 = ref$3[0];
-    var c3 = ref$3[1];
-    var ref$4 = parseStyleColor(s.BackColour);
-    var a4 = ref$4[0];
-    var c4 = ref$4[1];
-    var tag = {
-      fn: s.Fontname,
-      fs: s.Fontsize,
-      c1: c1,
-      a1: a1,
-      c2: c2,
-      a2: a2,
-      c3: c3,
-      a3: a3,
-      c4: c4,
-      a4: a4,
-      b: Math.abs(s.Bold),
-      i: Math.abs(s.Italic),
-      u: Math.abs(s.Underline),
-      s: Math.abs(s.StrikeOut),
-      fscx: s.ScaleX,
-      fscy: s.ScaleY,
-      fsp: s.Spacing,
-      frz: s.Angle,
-      xbord: s.Outline,
-      ybord: s.Outline,
-      xshad: s.Shadow,
-      yshad: s.Shadow,
-      q: /^[0-3]$/.test(info.WrapStyle) ? info.WrapStyle * 1 : 2,
+      Object.keys(s).forEach(function (key) {
+        if (key !== 'Name' && key !== 'Fontname' && !/Colour/.test(key)) {
+          s[key] *= 1;
+        }
+      });
+      var ref$1 = parseStyleColor(s.PrimaryColour);
+      var a1 = ref$1[0];
+      var c1 = ref$1[1];
+      var ref$2 = parseStyleColor(s.SecondaryColour);
+      var a2 = ref$2[0];
+      var c2 = ref$2[1];
+      var ref$3 = parseStyleColor(s.OutlineColour);
+      var a3 = ref$3[0];
+      var c3 = ref$3[1];
+      var ref$4 = parseStyleColor(s.BackColour);
+      var a4 = ref$4[0];
+      var c4 = ref$4[1];
+      var tag = {
+        fn: s.Fontname,
+        fs: s.Fontsize,
+        c1: c1,
+        a1: a1,
+        c2: c2,
+        a2: a2,
+        c3: c3,
+        a3: a3,
+        c4: c4,
+        a4: a4,
+        b: Math.abs(s.Bold),
+        i: Math.abs(s.Italic),
+        u: Math.abs(s.Underline),
+        s: Math.abs(s.StrikeOut),
+        fscx: s.ScaleX,
+        fscy: s.ScaleY,
+        fsp: s.Spacing,
+        frz: s.Angle,
+        xbord: s.Outline,
+        ybord: s.Outline,
+        xshad: s.Shadow,
+        yshad: s.Shadow,
+        q: /^[0-3]$/.test(info.WrapStyle) ? info.WrapStyle * 1 : 2,
+      };
+      result[s.Name] = { style: s, tag: tag };
     };
-    result[s.Name] = { style: s, tag: tag };
-  };
 
-  for (var i = 0; i < styles.length; i++) loop( i );
-  return result;
-}
+    for (var i = 0; i < styles.length; i++) loop( i );
+    return result;
+  }
 
-function compile(text, options) {
-  if ( options === void 0 ) options = {};
+  function compile(text, options) {
+    if ( options === void 0 ) options = {};
 
-  var tree = parse(text);
-  var styles = compileStyles({
-    info: tree.info,
-    style: tree.styles.style,
-    format: tree.styles.format,
-    defaultStyle: options.defaultStyle || {},
-  });
-  return {
-    info: tree.info,
-    width: tree.info.PlayResX * 1 || null,
-    height: tree.info.PlayResY * 1 || null,
-    collisions: tree.info.Collisions || 'Normal',
-    styles: styles,
-    dialogues: compileDialogues({
+    var tree = parse(text);
+    var styles = compileStyles({
+      info: tree.info,
+      style: tree.styles.style,
+      format: tree.styles.format,
+      defaultStyle: options.defaultStyle || {},
+    });
+    return {
+      info: tree.info,
+      width: tree.info.PlayResX * 1 || null,
+      height: tree.info.PlayResY * 1 || null,
+      collisions: tree.info.Collisions || 'Normal',
       styles: styles,
-      dialogues: tree.events.dialogue,
-    }),
-  };
-}
+      dialogues: compileDialogues({
+        styles: styles,
+        dialogues: tree.events.dialogue,
+      }),
+    };
+  }
 
-exports.parse = parse;
-exports.compile = compile;
+  exports.parse = parse;
+  exports.compile = compile;
 
-Object.defineProperty(exports, '__esModule', { value: true });
+  Object.defineProperty(exports, '__esModule', { value: true });
 
 })));

dist/ass-compiler.min.js

@@ -1,1 +0,1 @@
-(function(t,r){typeof exports==="object"&&typeof module!=="undefined"?r(exports):typeof define==="function"&&define.amd?define(["exports"],r):r(t.assCompiler={})})(this,function(t){"use strict";function r(t){var r=t.toLowerCase().trim().split(/\s*;\s*/);if(r[0]==="banner"){return{name:r[0],delay:r[1]*1||0,leftToRight:r[2]*1||0,fadeAwayWidth:r[3]*1||0}}if(/^scroll\s/.test(r[0])){return{name:r[0],y1:Math.min(r[1]*1,r[2]*1),y2:Math.max(r[1]*1,r[2]*1),delay:r[3]*1||0,fadeAwayHeight:r[4]*1||0}}return null}function a(t){return t.toLowerCase().replace(/([mnlbspc])/g," $1 ").trim().replace(/\s+/g," ").split(/\s(?=[mnlbspc])/).map(function(t){return t.split(" ")})}var e=["b","i","u","s","fsp","k","K","kf","ko","kt","fe","q","p","pbo","a","an","fscx","fscy","fax","fay","frx","fry","frz","fr","be","blur","bord","xbord","ybord","shad","xshad","yshad"];var n=e.map(function(t){return{name:t,regex:new RegExp("^"+t+"-?\\d")}});function i(t){var r;var e={};for(var s=0;s<n.length;s++){var l=n[s];var f=l.name;var v=l.regex;if(v.test(t)){e[f]=t.slice(f.length)*1;return e}}if(/^fn/.test(t)){e.fn=t.slice(2)}else if(/^r/.test(t)){e.r=t.slice(1)}else if(/^fs[\d+-]/.test(t)){e.fs=t.slice(2)}else if(/^\d?c&?H?[0-9a-f]+|^\d?c$/i.test(t)){var o=t.match(/^(\d?)c&?H?(\w*)/);var c=o[1];var u=o[2];e["c"+(c||1)]=u&&("000000"+u).slice(-6)}else if(/^\da&?H?[0-9a-f]+/i.test(t)){var p=t.match(/^(\d)a&?H?(\w\w)/);var d=p[1];var y=p[2];e["a"+d]=y}else if(/^alpha&?H?[0-9a-f]+/i.test(t)){r=t.match(/^alpha&?H?([0-9a-f]+)/i),e.alpha=r[1];e.alpha=("00"+e.alpha).slice(-2)}else if(/^(?:pos|org|move|fad|fade)\(/.test(t)){var g=t.match(/^(\w+)\((.*?)\)?$/);var h=g[1];var m=g[2];e[h]=m.trim().split(/\s*,\s*/).map(Number)}else if(/^i?clip/.test(t)){var x=t.match(/^i?clip\((.*?)\)?$/)[1].trim().split(/\s*,\s*/);e.clip={inverse:/iclip/.test(t),scale:1,drawing:null,dots:null};if(x.length===1){e.clip.drawing=a(x[0])}if(x.length===2){e.clip.scale=x[0]*1;e.clip.drawing=a(x[1])}if(x.length===4){e.clip.dots=x.map(Number)}}else if(/^t\(/.test(t)){var b=t.match(/^t\((.*?)\)?$/)[1].trim().replace(/\\.*/,function(t){return t.replace(/,/g,"\n")}).split(/\s*,\s*/);if(!b[0]){return e}e.t={t1:0,t2:0,accel:1,tags:b[b.length-1].replace(/\n/g,",").split("\\").slice(1).map(i)};if(b.length===2){e.t.accel=b[0]*1}if(b.length===3){e.t.t1=b[0]*1;e.t.t2=b[1]*1}if(b.length===4){e.t.t1=b[0]*1;e.t.t2=b[1]*1;e.t.accel=b[2]*1}}return e}function s(t){var r=[];var a=0;var e="";for(var n=0;n<t.length;n++){var s=t[n];if(s==="("){a++}if(s===")"){a--}if(a<0){a=0}if(!a&&s==="\\"){if(e){r.push(e)}e=""}else{e+=s}}r.push(e);return r.map(i)}function l(t){var r=t.split(/{([^{}]*?)}/);var e=[];if(r[0].length){e.push({tags:[],text:r[0],drawing:[]})}for(var n=1;n<r.length;n+=2){var i=s(r[n]);var l=i.reduce(function(t,r){return r.p===undefined?t:!!r.p},false);e.push({tags:i,text:l?"":r[n+1],drawing:l?a(r[n+1]):[]})}return{raw:t,combined:e.map(function(t){return t.text}).join(""),parsed:e}}function f(t){var r=t.split(":");return r[0]*3600+r[1]*60+r[2]*1}function v(t,a){var e=t.split(",");if(e.length>a.length){var n=e.slice(a.length-1).join();e=e.slice(0,a.length-1);e.push(n)}var i={};for(var s=0;s<e.length;s++){var v=a[s];var o=e[s].trim();switch(v){case"Layer":case"MarginL":case"MarginR":case"MarginV":i[v]=o*1;break;case"Start":case"End":i[v]=f(o);break;case"Effect":i[v]=r(o);break;case"Text":i[v]=l(o);break;default:i[v]=o}}return i}function o(t){return t.match(/Format\s*:\s*(.*)/i)[1].split(/\s*,\s*/)}function c(t){return t.match(/Style\s*:\s*(.*)/i)[1].split(/\s*,\s*/)}function u(t){var r={info:{},styles:{format:[],style:[]},events:{format:[],comment:[],dialogue:[]}};var a=t.split(/\r?\n/);var e=0;for(var n=0;n<a.length;n++){var i=a[n].trim();if(/^;/.test(i)){continue}if(/^\[Script Info\]/i.test(i)){e=1}else if(/^\[V4\+? Styles\]/i.test(i)){e=2}else if(/^\[Events\]/i.test(i)){e=3}else if(/^\[.*\]/.test(i)){e=0}if(e===0){continue}if(e===1){if(/:/.test(i)){var s=i.match(/(.*?)\s*:\s*(.*)/);var l=s[1];var f=s[2];r.info[l]=f}}if(e===2){if(/^Format\s*:/i.test(i)){r.styles.format=o(i)}if(/^Style\s*:/i.test(i)){r.styles.style.push(c(i))}}if(e===3){if(/^Format\s*:/i.test(i)){r.events.format=o(i)}if(/^(?:Comment|Dialogue)\s*:/i.test(i)){var u=i.match(/^(\w+?)\s*:\s*(.*)/i);var p=u[1];var d=u[2];r.events[p.toLowerCase()].push(v(d,r.events.format))}}}return r}var p=Object.assign||function t(r){var a=[],e=arguments.length-1;while(e-- >0)a[e]=arguments[e+1];for(var n=0;n<a.length;n++){if(!a[n]){continue}var i=Object.keys(a[n]);for(var s=0;s<i.length;s++){r[i[s]]=a[n][i[s]]}}return r};function d(t){var r={type:null,prev:null,next:null,points:[]};if(/[mnlbs]/.test(t[0])){r.type=t[0].toUpperCase().replace("N","L").replace("B","C")}for(var 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O=s.dots;if(C){return{clip:{inverse:w,scale:M,drawing:A(C),dots:O}}}if(O){var k=O[0];var F=O[1];var L=O[2];var N=O[3];return{clip:{inverse:w,scale:M,drawing:C,dots:{x1:k,y1:F,x2:L,y2:N}}}}return null}if(/^[xy]?(bord|shad)$/.test(r)){s=Math.max(s,0)}if(r==="bord"){return{xbord:s,ybord:s}}if(r==="shad"){return{xshad:s,yshad:s}}if(/^c\d$/.test(r)){return n={},n[r]=s||a[r],n}if(r==="alpha"){return{a1:s,a2:s,a3:s,a4:s}}if(r==="fr"){return{frz:s}}if(r==="fs"){return{fs:/^\+|-/.test(s)?(s*1>-10?1+s/10:1)*a.fs:s*1}}if(r==="t"){var j=s.t1;var E=s.accel;var H=s.tags;var $=s.t2||(a.end-a.start)*1e3;var I={};H.forEach(function(t){var r=Object.keys(t)[0];if(~B.indexOf(r)&&!(r==="clip"&&!t[r].dots)){R(I,z(t,r,a))}});return{t:{t1:j,t2:$,accel:E,tag:I}}}return i={},i[r]=s,i}var D=[null,1,2,3,null,7,8,9,null,4,5,6];var P=["r","a","an","pos","org","move","fade","fad","clip"];function V(t,r){return{name:t,borderStyle:r[t].style.BorderStyle,tag:r[t].tag,fragments:[]}}function w(t){var r=t.styles;var a=t.name;var e=t.parsed;var n=t.start;var i=t.end;var s;var l;var f;var o;var v;var c;var u=[];var p=V(a,r);var d={};for(var g=0;g<e.length;g++){var y=e[g];var h=y.tags;var m=y.text;var x=y.drawing;var b=void 0;for(var S=0;S<h.length;S++){var w=h[S];b=w.r===undefined?b:w.r}var M={tag:b===undefined?JSON.parse(JSON.stringify(d)):{},text:m,drawing:x.length?A(x):null};for(var C=0;C<h.length;C++){var O=h[C];s=s||D[O.a||0]||O.an;l=l||z(O,"pos");f=f||z(O,"org");o=o||z(O,"move");v=v||z(O,"fade")||z(O,"fad");c=z(O,"clip")||c;var k=Object.keys(O)[0];if(k&&!~P.indexOf(k)){var F=p.tag;var L=F.c1;var N=F.c2;var j=F.c3;var E=F.c4;var H=d.fs||p.tag.fs;var $=z(O,k,{start:n,end:i,c1:L,c2:N,c3:j,c4:E,fs:H});if(k==="t"){M.tag.t=M.tag.t||[];M.tag.t.push($.t)}else{R(M.tag,$)}}}d=M.tag;if(b!==undefined){u.push(p);p=V(r[b]?b:a,r)}if(M.text||M.drawing){var I=p.fragments[p.fragments.length-1]||{};if(I.text&&M.text&&!Object.keys(M.tag).length){I.text+=M.text}else{p.fragments.push(M)}}}u.push(p);return R({alignment:s,slices:u},l,f,o,v,c)}function i(t){var r=t.styles;var a=t.dialogues;var e=Infinity;var n=[];for(var i=0;i<a.length;i++){var s=a[i];if(s.Start>=s.End){continue}if(!r[s.Style]){s.Style="Default"}var l=r[s.Style].style;var f=w({styles:r,name:s.Style,parsed:s.Text.parsed,start:s.Start,end:s.End});var o=f.alignment||l.Alignment;e=Math.min(e,s.Layer);n.push(R({layer:s.Layer,start:s.Start,end:s.End,margin:{left:s.MarginL||l.MarginL,right:s.MarginR||l.MarginR,vertical:s.MarginV||l.MarginV},effect:s.Effect},f,{alignment:o}))}for(var v=0;v<n.length;v++){n[v].layer-=e}return n.sort(function(t,r){return t.start-r.start||t.end-r.end})}var l={Name:"Default",Fontname:"Arial",Fontsize:"20",PrimaryColour:"&H00FFFFFF&",SecondaryColour:"&H000000FF&",OutlineColour:"&H00000000&",BackColour:"&H00000000&",Bold:"0",Italic:"0",Underline:"0",StrikeOut:"0",ScaleX:"100",ScaleY:"100",Spacing:"0",Angle:"0",BorderStyle:"1",Outline:"2",Shadow:"2",Alignment:"2",MarginL:"10",MarginR:"10",MarginV:"10",Encoding:"1"};function M(t){var r=t.match(/&H(\w\w)?(\w{6})&?/);var a=r[1];var e=r[2];return[a||"00",e]}function C(t){var g=t.info;var r=t.style;var e=t.format;var a=t.defaultStyle;var y={};var h=[R({},l,a,{Name:"Default"})].concat(r.map(function(t){var r={};for(var a=0;a<e.length;a++){r[e[a]]=t[a]}return r}));var n=function(t){var r=h[t];if(/^(\*+)Default$/.test(r.Name)){r.Name="Default"}Object.keys(r).forEach(function(t){if(t!=="Name"&&t!=="Fontname"&&!/Colour/.test(t)){r[t]*=1}});var a=M(r.PrimaryColour);var e=a[0];var n=a[1];var i=M(r.SecondaryColour);var s=i[0];var l=i[1];var f=M(r.OutlineColour);var o=f[0];var v=f[1];var c=M(r.BackColour);var u=c[0];var p=c[1];var d={fn:r.Fontname,fs:r.Fontsize,c1:n,a1:e,c2:l,a2:s,c3:v,a3:o,c4:p,a4:u,b:Math.abs(r.Bold),i:Math.abs(r.Italic),u:Math.abs(r.Underline),s:Math.abs(r.StrikeOut),fscx:r.ScaleX,fscy:r.ScaleY,fsp:r.Spacing,frz:r.Angle,xbord:r.Outline,ybord:r.Outline,xshad:r.Shadow,yshad:r.Shadow,q:/^[0-3]$/.test(g.WrapStyle)?g.WrapStyle*1:2};y[r.Name]={style:r,tag:d}};for(var i=0;i<h.length;i++)n(i);return y}function a(t,r){if(r===void 0)r={};var a=n(t);var e=C({info:a.info,style:a.styles.style,format:a.styles.format,defaultStyle:r.defaultStyle||{}});return{info:a.info,width:a.info.PlayResX*1||null,height:a.info.PlayResY*1||null,collisions:a.info.Collisions||"Normal",styles:e,dialogues:i({styles:e,dialogues:a.events.dialogue})}}t.parse=n;t.compile=a;Object.defineProperty(t,"__esModule",{value:true})});

package.json

 {
   "name": "ass-compiler",
-  "version": "0.0.8",
+  "version": "0.0.9",
   "description": "Parses and compiles ASS subtitle format to easy-to-use data structure.",
@@ -17,2 +17,3 @@ "main": "dist/ass-compiler.js",
     "test": "npm run lint && npm run unit && npm run cover",
+    "dev": "rollup -c -w",
     "bundle": "rollup -c",
@@ -44,15 +45,16 @@ "minify": "uglifyjs dist/ass-compiler.js -m -o dist/ass-compiler.min.js",
     "chai": "^4.1.2",
-    "cross-env": "^5.1.3",
-    "eslint": "^4.18.1",
+    "cross-env": "^5.1.4",
+    "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^12.1.0",
-    "eslint-plugin-import": "^2.9.0",
+    "eslint-plugin-import": "^2.10.0",
     "istanbul": "^0.4.5",
-    "mocha": "^5.0.1",
+    "mocha": "^5.0.5",
     "mocha-istanbul": "^0.3.0",
-    "rollup": "^0.56.3",
+    "rollup": "^0.57.1",
     "rollup-plugin-buble": "^0.19.2",
     "rollup-plugin-istanbul": "^2.0.1",
     "rollup-plugin-multi-entry": "^2.0.2",
-    "uglify-js": "^3.3.12"
+    "rollup-plugin-replace": "^2.0.0",
+    "uglify-js": "^3.3.18"
   }
 }

src/compiler/drawing.js

@@ -102,17 +102,15 @@ import { assign } from '../utils.js';
     const cmd = createCommand(arr);
-    if (cmd.type) {
+    if (isValid(cmd)) {
       if (cmd.type === 'S') {
-        const { x, y } = commands[i - 1].points.slice(-1)[0];
+        const { x, y } = (commands[i - 1] || { points: [{ x: 0, y: 0 }] }).points.slice(-1)[0];
         cmd.points.unshift({ x, y });
       }
-      if (isValid(cmd)) {
-        if (i) {
-          cmd.prev = commands[i - 1].type;
-          commands[i - 1].next = cmd.type;
-        }
-        commands.push(cmd);
+      if (i) {
+        cmd.prev = commands[i - 1].type;
+        commands[i - 1].next = cmd.type;
       }
+      commands.push(cmd);
       i++;
     } else {
-      if (commands[i - 1].type === 'S') {
+      if (i && commands[i - 1].type === 'S') {
         const additionPoints = {
@@ -119,0 +117,0 @@ p: cmd.points,

src/parser/drawing.js

 export function parseDrawing(text) {
   return text
     .toLowerCase()
+    // numbers
+    .replace(/([+-]?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?)/g, ' $1 ')
+    // commands
     .replace(/([mnlbspc])/g, ' $1 ')
@@ -8,3 +11,6 @@ .trim()
     .split(/\s(?=[mnlbspc])/)
-    .map(cmd => cmd.split(' '));
+    .map(cmd => (
+      cmd.split(' ')
+        .filter((x, i) => !(i && Number.isNaN(x * 1)))
+    ));
 }

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Improved metrics

Total package byte prevSize

61753

increased by3.57%

Lines of code

1523

increased by0.53%

Worsened metrics

Dev dependency count

14

increased by7.69%

No dependency changes