setup-php/node_modules/handlebars/dist/amd/handlebars/runtime.js

define(['exports', './utils', './exception', './base'], function (exports, _utils, _exception, _base) {
  'use strict';

  exports.__esModule = true;
  exports.checkRevision = checkRevision;
  exports.template = template;
  exports.wrapProgram = wrapProgram;
  exports.resolvePartial = resolvePartial;
  exports.invokePartial = invokePartial;
  exports.noop = noop;
  // istanbul ignore next

  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

  var _Exception = _interopRequireDefault(_exception);

  function checkRevision(compilerInfo) {
    var compilerRevision = compilerInfo && compilerInfo[0] || 1,
        currentRevision = _base.COMPILER_REVISION;

    if (compilerRevision !== currentRevision) {
      if (compilerRevision < currentRevision) {
        var runtimeVersions = _base.REVISION_CHANGES[currentRevision],
            compilerVersions = _base.REVISION_CHANGES[compilerRevision];
        throw new _Exception['default']('Template was precompiled with an older version of Handlebars than the current runtime. ' + 'Please update your precompiler to a newer version (' + runtimeVersions + ') or downgrade your runtime to an older version (' + compilerVersions + ').');
      } else {
        // Use the embedded version info since the runtime doesn't know about this revision yet
        throw new _Exception['default']('Template was precompiled with a newer version of Handlebars than the current runtime. ' + 'Please update your runtime to a newer version (' + compilerInfo[1] + ').');
      }
    }
  }

  function template(templateSpec, env) {
    /* istanbul ignore next */
    if (!env) {
      throw new _Exception['default']('No environment passed to template');
    }
    if (!templateSpec || !templateSpec.main) {
      throw new _Exception['default']('Unknown template object: ' + typeof templateSpec);
    }

    templateSpec.main.decorator = templateSpec.main_d;

    // Note: Using env.VM references rather than local var references throughout this section to allow
    // for external users to override these as psuedo-supported APIs.
    env.VM.checkRevision(templateSpec.compiler);

    function invokePartialWrapper(partial, context, options) {
      if (options.hash) {
        context = _utils.extend({}, context, options.hash);
        if (options.ids) {
          options.ids[0] = true;
        }
      }

      partial = env.VM.resolvePartial.call(this, partial, context, options);
      var result = env.VM.invokePartial.call(this, partial, context, options);

      if (result == null && env.compile) {
        options.partials[options.name] = env.compile(partial, templateSpec.compilerOptions, env);
        result = options.partials[options.name](context, options);
      }
      if (result != null) {
        if (options.indent) {
          var lines = result.split('\n');
          for (var i = 0, l = lines.length; i < l; i++) {
            if (!lines[i] && i + 1 === l) {
              break;
            }

            lines[i] = options.indent + lines[i];
          }
          result = lines.join('\n');
        }
        return result;
      } else {
        throw new _Exception['default']('The partial ' + options.name + ' could not be compiled when running in runtime-only mode');
      }
    }

    // Just add water
    var container = {
      strict: function strict(obj, name) {
        if (!(name in obj)) {
          throw new _Exception['default']('"' + name + '" not defined in ' + obj);
        }
        return obj[name];
      },
      lookup: function lookup(depths, name) {
        var len = depths.length;
        for (var i = 0; i < len; i++) {
          if (depths[i] && depths[i][name] != null) {
            return depths[i][name];
          }
        }
      },
      lambda: function lambda(current, context) {
        return typeof current === 'function' ? current.call(context) : current;
      },

      escapeExpression: _utils.escapeExpression,
      invokePartial: invokePartialWrapper,

      fn: function fn(i) {
        var ret = templateSpec[i];
        ret.decorator = templateSpec[i + '_d'];
        return ret;
      },

      programs: [],
      program: function program(i, data, declaredBlockParams, blockParams, depths) {
        var programWrapper = this.programs[i],
            fn = this.fn(i);
        if (data || depths || blockParams || declaredBlockParams) {
          programWrapper = wrapProgram(this, i, fn, data, declaredBlockParams, blockParams, depths);
        } else if (!programWrapper) {
          programWrapper = this.programs[i] = wrapProgram(this, i, fn);
        }
        return programWrapper;
      },

      data: function data(value, depth) {
        while (value && depth--) {
          value = value._parent;
        }
        return value;
      },
      merge: function merge(param, common) {
        var obj = param || common;

        if (param && common && param !== common) {
          obj = _utils.extend({}, common, param);
        }

        return obj;
      },
      // An empty object to use as replacement for null-contexts
      nullContext: Object.seal({}),

      noop: env.VM.noop,
      compilerInfo: templateSpec.compiler
    };

    function ret(context) {
      var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

      var data = options.data;

      ret._setup(options);
      if (!options.partial && templateSpec.useData) {
        data = initData(context, data);
      }
      var depths = undefined,
          blockParams = templateSpec.useBlockParams ? [] : undefined;
      if (templateSpec.useDepths) {
        if (options.depths) {
          depths = context != options.depths[0] ? [context].concat(options.depths) : options.depths;
        } else {
          depths = [context];
        }
      }

      function main(context /*, options*/) {
        return '' + templateSpec.main(container, context, container.helpers, container.partials, data, blockParams, depths);
      }
      main = executeDecorators(templateSpec.main, main, container, options.depths || [], data, blockParams);
      return main(context, options);
    }
    ret.isTop = true;

    ret._setup = function (options) {
      if (!options.partial) {
        container.helpers = container.merge(options.helpers, env.helpers);

        if (templateSpec.usePartial) {
          container.partials = container.merge(options.partials, env.partials);
        }
        if (templateSpec.usePartial || templateSpec.useDecorators) {
          container.decorators = container.merge(options.decorators, env.decorators);
        }
      } else {
        container.helpers = options.helpers;
        container.partials = options.partials;
        container.decorators = options.decorators;
      }
    };

    ret._child = function (i, data, blockParams, depths) {
      if (templateSpec.useBlockParams && !blockParams) {
        throw new _Exception['default']('must pass block params');
      }
      if (templateSpec.useDepths && !depths) {
        throw new _Exception['default']('must pass parent depths');
      }

      return wrapProgram(container, i, templateSpec[i], data, 0, blockParams, depths);
    };
    return ret;
  }

  function wrapProgram(container, i, fn, data, declaredBlockParams, blockParams, depths) {
    function prog(context) {
      var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

      var currentDepths = depths;
      if (depths && context != depths[0] && !(context === container.nullContext && depths[0] === null)) {
        currentDepths = [context].concat(depths);
      }

      return fn(container, context, container.helpers, container.partials, options.data || data, blockParams && [options.blockParams].concat(blockParams), currentDepths);
    }

    prog = executeDecorators(fn, prog, container, depths, data, blockParams);

    prog.program = i;
    prog.depth = depths ? depths.length : 0;
    prog.blockParams = declaredBlockParams || 0;
    return prog;
  }

  /**
   * This is currently part of the official API, therefore implementation details should not be changed.
   */

  function resolvePartial(partial, context, options) {
    if (!partial) {
      if (options.name === '@partial-block') {
        partial = options.data['partial-block'];
      } else {
        partial = options.partials[options.name];
      }
    } else if (!partial.call && !options.name) {
      // This is a dynamic partial that returned a string
      options.name = partial;
      partial = options.partials[partial];
    }
    return partial;
  }

  function invokePartial(partial, context, options) {
    // Use the current closure context to save the partial-block if this partial
    var currentPartialBlock = options.data && options.data['partial-block'];
    options.partial = true;
    if (options.ids) {
      options.data.contextPath = options.ids[0] || options.data.contextPath;
    }

    var partialBlock = undefined;
    if (options.fn && options.fn !== noop) {
      (function () {
        options.data = _base.createFrame(options.data);
        // Wrapper function to get access to currentPartialBlock from the closure
        var fn = options.fn;
        partialBlock = options.data['partial-block'] = function partialBlockWrapper(context) {
          var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

          // Restore the partial-block from the closure for the execution of the block
          // i.e. the part inside the block of the partial call.
          options.data = _base.createFrame(options.data);
          options.data['partial-block'] = currentPartialBlock;
          return fn(context, options);
        };
        if (fn.partials) {
          options.partials = _utils.extend({}, options.partials, fn.partials);
        }
      })();
    }

    if (partial === undefined && partialBlock) {
      partial = partialBlock;
    }

    if (partial === undefined) {
      throw new _Exception['default']('The partial ' + options.name + ' could not be found');
    } else if (partial instanceof Function) {
      return partial(context, options);
    }
  }

  function noop() {
    return '';
  }

  function initData(context, data) {
    if (!data || !('root' in data)) {
      data = data ? _base.createFrame(data) : {};
      data.root = context;
    }
    return data;
  }

  function executeDecorators(fn, prog, container, depths, data, blockParams) {
    if (fn.decorator) {
      var props = {};
      prog = fn.decorator(prog, props, container, depths && depths[0], data, blockParams, depths);
      _utils.extend(prog, props);
    }
    return prog;
  }
});
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