Current Dev State

static/js/ketcher2/node_modules/handlebars/lib/handlebars/runtime.js

@@ -0,0 +1,281 @@
+import * as Utils from './utils';
+import Exception from './exception';
+import { COMPILER_REVISION, REVISION_CHANGES, createFrame } from './base';
+
+export function checkRevision(compilerInfo) {
+  const compilerRevision = compilerInfo && compilerInfo[0] || 1,
+        currentRevision = COMPILER_REVISION;
+
+  if (compilerRevision !== currentRevision) {
+    if (compilerRevision < currentRevision) {
+      const runtimeVersions = REVISION_CHANGES[currentRevision],
+            compilerVersions = REVISION_CHANGES[compilerRevision];
+      throw new Exception('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('Template was precompiled with a newer version of Handlebars than the current runtime. ' +
+            'Please update your runtime to a newer version (' + compilerInfo[1] + ').');
+    }
+  }
+}
+
+export function template(templateSpec, env) {
+  /* istanbul ignore next */
+  if (!env) {
+    throw new Exception('No environment passed to template');
+  }
+  if (!templateSpec || !templateSpec.main) {
+    throw new Exception('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);
+    let 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) {
+        let lines = result.split('\n');
+        for (let 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('The partial ' + options.name + ' could not be compiled when running in runtime-only mode');
+    }
+  }
+
+  // Just add water
+  let container = {
+    strict: function(obj, name) {
+      if (!(name in obj)) {
+        throw new Exception('"' + name + '" not defined in ' + obj);
+      }
+      return obj[name];
+    },
+    lookup: function(depths, name) {
+      const len = depths.length;
+      for (let i = 0; i < len; i++) {
+        if (depths[i] && depths[i][name] != null) {
+          return depths[i][name];
+        }
+      }
+    },
+    lambda: function(current, context) {
+      return typeof current === 'function' ? current.call(context) : current;
+    },
+
+    escapeExpression: Utils.escapeExpression,
+    invokePartial: invokePartialWrapper,
+
+    fn: function(i) {
+      let ret = templateSpec[i];
+      ret.decorator = templateSpec[i + '_d'];
+      return ret;
+    },
+
+    programs: [],
+    program: function(i, data, declaredBlockParams, blockParams, depths) {
+      let 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(value, depth) {
+      while (value && depth--) {
+        value = value._parent;
+      }
+      return value;
+    },
+    merge: function(param, common) {
+      let 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, options = {}) {
+    let data = options.data;
+
+    ret._setup(options);
+    if (!options.partial && templateSpec.useData) {
+      data = initData(context, data);
+    }
+    let depths,
+        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('must pass block params');
+    }
+    if (templateSpec.useDepths && !depths) {
+      throw new Exception('must pass parent depths');
+    }
+
+    return wrapProgram(container, i, templateSpec[i], data, 0, blockParams, depths);
+  };
+  return ret;
+}
+
+export function wrapProgram(container, i, fn, data, declaredBlockParams, blockParams, depths) {
+  function prog(context, options = {}) {
+    let 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;
+}
+
+export 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;
+}
+
+export function invokePartial(partial, context, options) {
+  // Use the current closure context to save the partial-block if this partial
+  const currentPartialBlock = options.data && options.data['partial-block'];
+  options.partial = true;
+  if (options.ids) {
+    options.data.contextPath = options.ids[0] || options.data.contextPath;
+  }
+
+  let partialBlock;
+  if (options.fn && options.fn !== noop) {
+    options.data = createFrame(options.data);
+    // Wrapper function to get access to currentPartialBlock from the closure
+    let fn = options.fn;
+    partialBlock = options.data['partial-block'] = function partialBlockWrapper(context, options = {}) {
+
+      // 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 = 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('The partial ' + options.name + ' could not be found');
+  } else if (partial instanceof Function) {
+    return partial(context, options);
+  }
+}
+
+export function noop() { return ''; }
+
+function initData(context, data) {
+  if (!data || !('root' in data)) {
+    data = data ? createFrame(data) : {};
+    data.root = context;
+  }
+  return data;
+}
+
+function executeDecorators(fn, prog, container, depths, data, blockParams) {
+  if (fn.decorator) {
+    let props = {};
+    prog = fn.decorator(prog, props, container, depths && depths[0], data, blockParams, depths);
+    Utils.extend(prog, props);
+  }
+  return prog;
+}