ceri-compiler/lib/compile1_parseAttr.js

compiles template strings for ceriJS

module.exports = (camelize, spliceStr, marker, templateArgs) => {
  var matchTemplateArgs;
  matchTemplateArgs = (val) => {
    var arg, found, i, len, reg, result, tmp;
    reg = /[^\\\$]?((\$+)(\d+))/g;
    found = false;
    while (result = reg.exec(val)) {
      tmp = templateArgs[templateArgs.length - result[2].length];
      tmp.args = Math.max(tmp.args || 0, (arg = parseFloat(result[3])));
      arg = templateArgs.toArg(tmp.depth, arg);
      len = result[1].length;
      i = result.index + (result[0].length - len);
      /*if i > 0
        arg = '"+' + arg 
        if val[0] != '"'
      val = '"' + val
      i++
      if i + len > val.length
        arg += '+"'
        if val[val.length-1] != '"'
      val += '"'*/
      val = spliceStr(val, i, len, arg);
      found = true;
    }
    if (found) {
      val = marker + val + marker;
    }
    return val;
  };
  return (attr, opt = {}) => {
    var j, k, len1, mod, mods, obj, oname, splitted, type, v;
    if (Object.keys(attr).length > 0) {
      for (k in attr) {
        v = attr[k];
        if (/[^\w\s]/.test(k[0])) {
          type = k[0];
          oname = k.slice(1);
        } else {
          type = "";
          oname = k;
        }
        splitted = oname.split(".");
        [oname] = splitted.splice(0, 1);
        if (opt[oname] == null) {
          opt[oname] = {};
        }
        if (splitted.length > 0) {
          mods = {};
          for (j = 0, len1 = splitted.length; j < len1; j++) {
            mod = splitted[j];
            mods[camelize(mod)] = true;
          }
          if (Object.keys(mods).length === 1 && mods.expr) {
            obj = `${marker}function(){return ${v};}${marker}`;
          } else if (mods.expr) {
            delete mods.expr;
            obj = {
              val: `${marker}function(){return ${v};}${marker}`,
              mods: mods
            };
          } else {
            obj = {
              val: matchTemplateArgs(v),
              mods: mods
            };
          }
          opt[oname][type] = obj;
        } else {
          opt[oname][type] = matchTemplateArgs(v);
        }
      }
    }
    return opt;
  };
};