1 define(['exports', './utils', './exception', './base'], function (exports, _utils, _exception, _base) {
4 exports.__esModule = true;
5 exports.checkRevision = checkRevision;
6 exports.template = template;
7 exports.wrapProgram = wrapProgram;
8 exports.resolvePartial = resolvePartial;
9 exports.invokePartial = invokePartial;
11 // istanbul ignore next
13 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
15 var _Exception = _interopRequireDefault(_exception);
17 function checkRevision(compilerInfo) {
18 var compilerRevision = compilerInfo && compilerInfo[0] || 1,
19 currentRevision = _base.COMPILER_REVISION;
21 if (compilerRevision !== currentRevision) {
22 if (compilerRevision < currentRevision) {
23 var runtimeVersions = _base.REVISION_CHANGES[currentRevision],
24 compilerVersions = _base.REVISION_CHANGES[compilerRevision];
25 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 + ').');
27 // Use the embedded version info since the runtime doesn't know about this revision yet
28 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] + ').');
33 function template(templateSpec, env) {
34 /* istanbul ignore next */
36 throw new _Exception['default']('No environment passed to template');
38 if (!templateSpec || !templateSpec.main) {
39 throw new _Exception['default']('Unknown template object: ' + typeof templateSpec);
42 templateSpec.main.decorator = templateSpec.main_d;
44 // Note: Using env.VM references rather than local var references throughout this section to allow
45 // for external users to override these as psuedo-supported APIs.
46 env.VM.checkRevision(templateSpec.compiler);
48 function invokePartialWrapper(partial, context, options) {
50 context = _utils.extend({}, context, options.hash);
52 options.ids[0] = true;
56 partial = env.VM.resolvePartial.call(this, partial, context, options);
57 var result = env.VM.invokePartial.call(this, partial, context, options);
59 if (result == null && env.compile) {
60 options.partials[options.name] = env.compile(partial, templateSpec.compilerOptions, env);
61 result = options.partials[options.name](context, options);
65 var lines = result.split('\n');
66 for (var i = 0, l = lines.length; i < l; i++) {
67 if (!lines[i] && i + 1 === l) {
71 lines[i] = options.indent + lines[i];
73 result = lines.join('\n');
77 throw new _Exception['default']('The partial ' + options.name + ' could not be compiled when running in runtime-only mode');
83 strict: function strict(obj, name) {
85 throw new _Exception['default']('"' + name + '" not defined in ' + obj);
89 lookup: function lookup(depths, name) {
90 var len = depths.length;
91 for (var i = 0; i < len; i++) {
92 if (depths[i] && depths[i][name] != null) {
93 return depths[i][name];
97 lambda: function lambda(current, context) {
98 return typeof current === 'function' ? current.call(context) : current;
101 escapeExpression: _utils.escapeExpression,
102 invokePartial: invokePartialWrapper,
105 var ret = templateSpec[i];
106 ret.decorator = templateSpec[i + '_d'];
111 program: function program(i, data, declaredBlockParams, blockParams, depths) {
112 var programWrapper = this.programs[i],
114 if (data || depths || blockParams || declaredBlockParams) {
115 programWrapper = wrapProgram(this, i, fn, data, declaredBlockParams, blockParams, depths);
116 } else if (!programWrapper) {
117 programWrapper = this.programs[i] = wrapProgram(this, i, fn);
119 return programWrapper;
122 data: function data(value, depth) {
123 while (value && depth--) {
124 value = value._parent;
128 merge: function merge(param, common) {
129 var obj = param || common;
131 if (param && common && param !== common) {
132 obj = _utils.extend({}, common, param);
139 compilerInfo: templateSpec.compiler
142 function ret(context) {
143 var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
145 var data = options.data;
148 if (!options.partial && templateSpec.useData) {
149 data = initData(context, data);
151 var depths = undefined,
152 blockParams = templateSpec.useBlockParams ? [] : undefined;
153 if (templateSpec.useDepths) {
154 if (options.depths) {
155 depths = context != options.depths[0] ? [context].concat(options.depths) : options.depths;
161 function main(context /*, options*/) {
162 return '' + templateSpec.main(container, context, container.helpers, container.partials, data, blockParams, depths);
164 main = executeDecorators(templateSpec.main, main, container, options.depths || [], data, blockParams);
165 return main(context, options);
169 ret._setup = function (options) {
170 if (!options.partial) {
171 container.helpers = container.merge(options.helpers, env.helpers);
173 if (templateSpec.usePartial) {
174 container.partials = container.merge(options.partials, env.partials);
176 if (templateSpec.usePartial || templateSpec.useDecorators) {
177 container.decorators = container.merge(options.decorators, env.decorators);
180 container.helpers = options.helpers;
181 container.partials = options.partials;
182 container.decorators = options.decorators;
186 ret._child = function (i, data, blockParams, depths) {
187 if (templateSpec.useBlockParams && !blockParams) {
188 throw new _Exception['default']('must pass block params');
190 if (templateSpec.useDepths && !depths) {
191 throw new _Exception['default']('must pass parent depths');
194 return wrapProgram(container, i, templateSpec[i], data, 0, blockParams, depths);
199 function wrapProgram(container, i, fn, data, declaredBlockParams, blockParams, depths) {
200 function prog(context) {
201 var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
203 var currentDepths = depths;
204 if (depths && context != depths[0]) {
205 currentDepths = [context].concat(depths);
208 return fn(container, context, container.helpers, container.partials, options.data || data, blockParams && [options.blockParams].concat(blockParams), currentDepths);
211 prog = executeDecorators(fn, prog, container, depths, data, blockParams);
214 prog.depth = depths ? depths.length : 0;
215 prog.blockParams = declaredBlockParams || 0;
219 function resolvePartial(partial, context, options) {
221 if (options.name === '@partial-block') {
222 var data = options.data;
223 while (data['partial-block'] === noop) {
226 partial = data['partial-block'];
227 data['partial-block'] = noop;
229 partial = options.partials[options.name];
231 } else if (!partial.call && !options.name) {
232 // This is a dynamic partial that returned a string
233 options.name = partial;
234 partial = options.partials[partial];
239 function invokePartial(partial, context, options) {
240 options.partial = true;
242 options.data.contextPath = options.ids[0] || options.data.contextPath;
245 var partialBlock = undefined;
246 if (options.fn && options.fn !== noop) {
247 options.data = _base.createFrame(options.data);
248 partialBlock = options.data['partial-block'] = options.fn;
250 if (partialBlock.partials) {
251 options.partials = _utils.extend({}, options.partials, partialBlock.partials);
255 if (partial === undefined && partialBlock) {
256 partial = partialBlock;
259 if (partial === undefined) {
260 throw new _Exception['default']('The partial ' + options.name + ' could not be found');
261 } else if (partial instanceof Function) {
262 return partial(context, options);
270 function initData(context, data) {
271 if (!data || !('root' in data)) {
272 data = data ? _base.createFrame(data) : {};
278 function executeDecorators(fn, prog, container, depths, data, blockParams) {
281 prog = fn.decorator(prog, props, container, depths && depths[0], data, blockParams, depths);
282 _utils.extend(prog, props);
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* as Utils from './utils';\nimport Exception from './exception';\nimport { COMPILER_REVISION, REVISION_CHANGES, createFrame } from './base';\n\nexport function checkRevision(compilerInfo) {\n  const compilerRevision = compilerInfo && compilerInfo[0] || 1,\n        currentRevision = COMPILER_REVISION;\n\n  if (compilerRevision !== currentRevision) {\n    if (compilerRevision < currentRevision) {\n      const runtimeVersions = REVISION_CHANGES[currentRevision],\n            compilerVersions = REVISION_CHANGES[compilerRevision];\n      throw new Exception('Template was precompiled with an older version of Handlebars than the current runtime. ' +\n            'Please update your precompiler to a newer version (' + runtimeVersions + ') or downgrade your runtime to an older version (' + compilerVersions + ').');\n    } else {\n      // Use the embedded version info since the runtime doesn't know about this revision yet\n      throw new Exception('Template was precompiled with a newer version of Handlebars than the current runtime. ' +\n            'Please update your runtime to a newer version (' + compilerInfo[1] + ').');\n    }\n  }\n}\n\nexport function template(templateSpec, env) {\n  /* istanbul ignore next */\n  if (!env) {\n    throw new Exception('No environment passed to template');\n  }\n  if (!templateSpec || !templateSpec.main) {\n    throw new Exception('Unknown template object: ' + typeof templateSpec);\n  }\n\n  templateSpec.main.decorator = templateSpec.main_d;\n\n  // Note: Using env.VM references rather than local var references throughout this section to allow\n  // for external users to override these as psuedo-supported APIs.\n  env.VM.checkRevision(templateSpec.compiler);\n\n  function invokePartialWrapper(partial, context, options) {\n    if (options.hash) {\n      context = Utils.extend({}, context, options.hash);\n      if (options.ids) {\n        options.ids[0] = true;\n      }\n    }\n\n    partial = env.VM.resolvePartial.call(this, partial, context, options);\n    let result = env.VM.invokePartial.call(this, partial, context, options);\n\n    if (result == null && env.compile) {\n      options.partials[options.name] = env.compile(partial, templateSpec.compilerOptions, env);\n      result = options.partials[options.name](context, options);\n    }\n    if (result != null) {\n      if (options.indent) {\n        let lines = result.split('\\n');\n        for (let i = 0, l = lines.length; i < l; i++) {\n          if (!lines[i] && i + 1 === l) {\n            break;\n          }\n\n          lines[i] = options.indent + lines[i];\n        }\n        result = lines.join('\\n');\n      }\n      return result;\n    } else {\n      throw new Exception('The partial ' + options.name + ' could not be compiled when running in runtime-only mode');\n    }\n  }\n\n  // Just add water\n  let container = {\n    strict: function(obj, name) {\n      if (!(name in obj)) {\n        throw new Exception('\"' + name + '\" not defined in ' + obj);\n      }\n      return obj[name];\n    },\n    lookup: function(depths, name) {\n      const len = depths.length;\n      for (let i = 0; i < len; i++) {\n        if (depths[i] && depths[i][name] != null) {\n          return depths[i][name];\n        }\n      }\n    },\n    lambda: function(current, context) {\n      return typeof current === 'function' ? current.call(context) : current;\n    },\n\n    escapeExpression: Utils.escapeExpression,\n    invokePartial: invokePartialWrapper,\n\n    fn: function(i) {\n      let ret = templateSpec[i];\n      ret.decorator = templateSpec[i + '_d'];\n      return ret;\n    },\n\n    programs: [],\n    program: function(i, data, declaredBlockParams, blockParams, depths) {\n      let programWrapper = this.programs[i],\n          fn = this.fn(i);\n      if (data || depths || blockParams || declaredBlockParams) {\n        programWrapper = wrapProgram(this, i, fn, data, declaredBlockParams, blockParams, depths);\n      } else if (!programWrapper) {\n        programWrapper = this.programs[i] = wrapProgram(this, i, fn);\n      }\n      return programWrapper;\n    },\n\n    data: function(value, depth) {\n      while (value && depth--) {\n        value = value._parent;\n      }\n      return value;\n    },\n    merge: function(param, common) {\n      let obj = param || common;\n\n      if (param && common && (param !== common)) {\n        obj = Utils.extend({}, common, param);\n      }\n\n      return obj;\n    },\n\n    noop: env.VM.noop,\n    compilerInfo: templateSpec.compiler\n  };\n\n  function ret(context, options = {}) {\n    let data = options.data;\n\n    ret._setup(options);\n    if (!options.partial && templateSpec.useData) {\n      data = initData(context, data);\n    }\n    let depths,\n        blockParams = templateSpec.useBlockParams ? [] : undefined;\n    if (templateSpec.useDepths) {\n      if (options.depths) {\n        depths = context != options.depths[0] ? [context].concat(options.depths) : options.depths;\n      } else {\n        depths = [context];\n      }\n    }\n\n    function main(context/*, options*/) {\n      return '' + templateSpec.main(container, context, container.helpers, container.partials, data, blockParams, depths);\n    }\n    main = executeDecorators(templateSpec.main, main, container, options.depths || [], data, blockParams);\n    return main(context, options);\n  }\n  ret.isTop = true;\n\n  ret._setup = function(options) {\n    if (!options.partial) {\n      container.helpers = container.merge(options.helpers, env.helpers);\n\n      if (templateSpec.usePartial) {\n        container.partials = container.merge(options.partials, env.partials);\n      }\n      if (templateSpec.usePartial || templateSpec.useDecorators) {\n        container.decorators = container.merge(options.decorators, env.decorators);\n      }\n    } else {\n      container.helpers = options.helpers;\n      container.partials = options.partials;\n      container.decorators = options.decorators;\n    }\n  };\n\n  ret._child = function(i, data, blockParams, depths) {\n    if (templateSpec.useBlockParams && !blockParams) {\n      throw new Exception('must pass block params');\n    }\n    if (templateSpec.useDepths && !depths) {\n      throw new Exception('must pass parent depths');\n    }\n\n    return wrapProgram(container, i, templateSpec[i], data, 0, blockParams, depths);\n  };\n  return ret;\n}\n\nexport function wrapProgram(container, i, fn, data, declaredBlockParams, blockParams, depths) {\n  function prog(context, options = {}) {\n    let currentDepths = depths;\n    if (depths && context != depths[0]) {\n      currentDepths = [context].concat(depths);\n    }\n\n    return fn(container,\n        context,\n        container.helpers, container.partials,\n        options.data || data,\n        blockParams && [options.blockParams].concat(blockParams),\n        currentDepths);\n  }\n\n  prog = executeDecorators(fn, prog, container, depths, data, blockParams);\n\n  prog.program = i;\n  prog.depth = depths ? depths.length : 0;\n  prog.blockParams = declaredBlockParams || 0;\n  return prog;\n}\n\nexport function resolvePartial(partial, context, options) {\n  if (!partial) {\n    if (options.name === '@partial-block') {\n      let data = options.data;\n      while (data['partial-block'] === noop) {\n        data = data._parent;\n      }\n      partial = data['partial-block'];\n      data['partial-block'] = noop;\n    } else {\n      partial = options.partials[options.name];\n    }\n  } else if (!partial.call && !options.name) {\n    // This is a dynamic partial that returned a string\n    options.name = partial;\n    partial = options.partials[partial];\n  }\n  return partial;\n}\n\nexport function invokePartial(partial, context, options) {\n  options.partial = true;\n  if (options.ids) {\n    options.data.contextPath = options.ids[0] || options.data.contextPath;\n  }\n\n  let partialBlock;\n  if (options.fn && options.fn !== noop) {\n    options.data = createFrame(options.data);\n    partialBlock = options.data['partial-block'] = options.fn;\n\n    if (partialBlock.partials) {\n      options.partials = Utils.extend({}, options.partials, partialBlock.partials);\n    }\n  }\n\n  if (partial === undefined && partialBlock) {\n    partial = partialBlock;\n  }\n\n  if (partial === undefined) {\n    throw new Exception('The partial ' + options.name + ' could not be found');\n  } else if (partial instanceof Function) {\n    return partial(context, options);\n  }\n}\n\nexport function noop() { return ''; }\n\nfunction initData(context, data) {\n  if (!data || !('root' in data)) {\n    data = data ? createFrame(data) : {};\n    data.root = context;\n  }\n  return data;\n}\n\nfunction executeDecorators(fn, prog, container, depths, data, blockParams) {\n  if (fn.decorator) {\n    let props = {};\n    prog = fn.decorator(prog, props, container, depths && depths[0], data, blockParams, depths);\n    Utils.extend(prog, props);\n  }\n  return prog;\n}\n"]}