webappengine
Version:
A web application platform that can host multiple web apps running with Node.js.
1,703 lines (1,374 loc) • 143 kB
JavaScript
/*!
handlebars v3.0.3
Copyright (C) 2011-2014 by Yehuda Katz
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
@license
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define(factory);
else if(typeof exports === 'object')
exports["Handlebars"] = factory();
else
root["Handlebars"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ exports: {},
/******/ id: moduleId,
/******/ loaded: false
/******/ };
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ // Flag the module as loaded
/******/ module.loaded = true;
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/ // Load entry module and return exports
/******/ return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var _interopRequireWildcard = __webpack_require__(8)['default'];
exports.__esModule = true;
var _runtime = __webpack_require__(1);
var _runtime2 = _interopRequireWildcard(_runtime);
// Compiler imports
var _AST = __webpack_require__(2);
var _AST2 = _interopRequireWildcard(_AST);
var _Parser$parse = __webpack_require__(3);
var _Compiler$compile$precompile = __webpack_require__(4);
var _JavaScriptCompiler = __webpack_require__(5);
var _JavaScriptCompiler2 = _interopRequireWildcard(_JavaScriptCompiler);
var _Visitor = __webpack_require__(6);
var _Visitor2 = _interopRequireWildcard(_Visitor);
var _noConflict = __webpack_require__(7);
var _noConflict2 = _interopRequireWildcard(_noConflict);
var _create = _runtime2['default'].create;
function create() {
var hb = _create();
hb.compile = function (input, options) {
return _Compiler$compile$precompile.compile(input, options, hb);
};
hb.precompile = function (input, options) {
return _Compiler$compile$precompile.precompile(input, options, hb);
};
hb.AST = _AST2['default'];
hb.Compiler = _Compiler$compile$precompile.Compiler;
hb.JavaScriptCompiler = _JavaScriptCompiler2['default'];
hb.Parser = _Parser$parse.parser;
hb.parse = _Parser$parse.parse;
return hb;
}
var inst = create();
inst.create = create;
_noConflict2['default'](inst);
inst.Visitor = _Visitor2['default'];
inst['default'] = inst;
exports['default'] = inst;
module.exports = exports['default'];
/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var _interopRequireWildcard = __webpack_require__(8)['default'];
exports.__esModule = true;
var _import = __webpack_require__(9);
var base = _interopRequireWildcard(_import);
// Each of these augment the Handlebars object. No need to setup here.
// (This is done to easily share code between commonjs and browse envs)
var _SafeString = __webpack_require__(10);
var _SafeString2 = _interopRequireWildcard(_SafeString);
var _Exception = __webpack_require__(11);
var _Exception2 = _interopRequireWildcard(_Exception);
var _import2 = __webpack_require__(12);
var Utils = _interopRequireWildcard(_import2);
var _import3 = __webpack_require__(13);
var runtime = _interopRequireWildcard(_import3);
var _noConflict = __webpack_require__(7);
var _noConflict2 = _interopRequireWildcard(_noConflict);
// For compatibility and usage outside of module systems, make the Handlebars object a namespace
function create() {
var hb = new base.HandlebarsEnvironment();
Utils.extend(hb, base);
hb.SafeString = _SafeString2['default'];
hb.Exception = _Exception2['default'];
hb.Utils = Utils;
hb.escapeExpression = Utils.escapeExpression;
hb.VM = runtime;
hb.template = function (spec) {
return runtime.template(spec, hb);
};
return hb;
}
var inst = create();
inst.create = create;
_noConflict2['default'](inst);
inst['default'] = inst;
exports['default'] = inst;
module.exports = exports['default'];
/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
exports.__esModule = true;
var AST = {
Program: function Program(statements, blockParams, strip, locInfo) {
this.loc = locInfo;
this.type = 'Program';
this.body = statements;
this.blockParams = blockParams;
this.strip = strip;
},
MustacheStatement: function MustacheStatement(path, params, hash, escaped, strip, locInfo) {
this.loc = locInfo;
this.type = 'MustacheStatement';
this.path = path;
this.params = params || [];
this.hash = hash;
this.escaped = escaped;
this.strip = strip;
},
BlockStatement: function BlockStatement(path, params, hash, program, inverse, openStrip, inverseStrip, closeStrip, locInfo) {
this.loc = locInfo;
this.type = 'BlockStatement';
this.path = path;
this.params = params || [];
this.hash = hash;
this.program = program;
this.inverse = inverse;
this.openStrip = openStrip;
this.inverseStrip = inverseStrip;
this.closeStrip = closeStrip;
},
PartialStatement: function PartialStatement(name, params, hash, strip, locInfo) {
this.loc = locInfo;
this.type = 'PartialStatement';
this.name = name;
this.params = params || [];
this.hash = hash;
this.indent = '';
this.strip = strip;
},
ContentStatement: function ContentStatement(string, locInfo) {
this.loc = locInfo;
this.type = 'ContentStatement';
this.original = this.value = string;
},
CommentStatement: function CommentStatement(comment, strip, locInfo) {
this.loc = locInfo;
this.type = 'CommentStatement';
this.value = comment;
this.strip = strip;
},
SubExpression: function SubExpression(path, params, hash, locInfo) {
this.loc = locInfo;
this.type = 'SubExpression';
this.path = path;
this.params = params || [];
this.hash = hash;
},
PathExpression: function PathExpression(data, depth, parts, original, locInfo) {
this.loc = locInfo;
this.type = 'PathExpression';
this.data = data;
this.original = original;
this.parts = parts;
this.depth = depth;
},
StringLiteral: function StringLiteral(string, locInfo) {
this.loc = locInfo;
this.type = 'StringLiteral';
this.original = this.value = string;
},
NumberLiteral: function NumberLiteral(number, locInfo) {
this.loc = locInfo;
this.type = 'NumberLiteral';
this.original = this.value = Number(number);
},
BooleanLiteral: function BooleanLiteral(bool, locInfo) {
this.loc = locInfo;
this.type = 'BooleanLiteral';
this.original = this.value = bool === 'true';
},
UndefinedLiteral: function UndefinedLiteral(locInfo) {
this.loc = locInfo;
this.type = 'UndefinedLiteral';
this.original = this.value = undefined;
},
NullLiteral: function NullLiteral(locInfo) {
this.loc = locInfo;
this.type = 'NullLiteral';
this.original = this.value = null;
},
Hash: function Hash(pairs, locInfo) {
this.loc = locInfo;
this.type = 'Hash';
this.pairs = pairs;
},
HashPair: function HashPair(key, value, locInfo) {
this.loc = locInfo;
this.type = 'HashPair';
this.key = key;
this.value = value;
},
// Public API used to evaluate derived attributes regarding AST nodes
helpers: {
// a mustache is definitely a helper if:
// * it is an eligible helper, and
// * it has at least one parameter or hash segment
helperExpression: function helperExpression(node) {
return !!(node.type === 'SubExpression' || node.params.length || node.hash);
},
scopedId: function scopedId(path) {
return /^\.|this\b/.test(path.original);
},
// an ID is simple if it only has one part, and that part is not
// `..` or `this`.
simpleId: function simpleId(path) {
return path.parts.length === 1 && !AST.helpers.scopedId(path) && !path.depth;
}
}
};
// Must be exported as an object rather than the root of the module as the jison lexer
// must modify the object to operate properly.
exports['default'] = AST;
module.exports = exports['default'];
/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var _interopRequireWildcard = __webpack_require__(8)['default'];
exports.__esModule = true;
exports.parse = parse;
var _parser = __webpack_require__(14);
var _parser2 = _interopRequireWildcard(_parser);
var _AST = __webpack_require__(2);
var _AST2 = _interopRequireWildcard(_AST);
var _WhitespaceControl = __webpack_require__(15);
var _WhitespaceControl2 = _interopRequireWildcard(_WhitespaceControl);
var _import = __webpack_require__(16);
var Helpers = _interopRequireWildcard(_import);
var _extend = __webpack_require__(12);
exports.parser = _parser2['default'];
var yy = {};
_extend.extend(yy, Helpers, _AST2['default']);
function parse(input, options) {
// Just return if an already-compiled AST was passed in.
if (input.type === 'Program') {
return input;
}
_parser2['default'].yy = yy;
// Altering the shared object here, but this is ok as parser is a sync operation
yy.locInfo = function (locInfo) {
return new yy.SourceLocation(options && options.srcName, locInfo);
};
var strip = new _WhitespaceControl2['default']();
return strip.accept(_parser2['default'].parse(input));
}
/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var _interopRequireWildcard = __webpack_require__(8)['default'];
exports.__esModule = true;
exports.Compiler = Compiler;
exports.precompile = precompile;
exports.compile = compile;
var _Exception = __webpack_require__(11);
var _Exception2 = _interopRequireWildcard(_Exception);
var _isArray$indexOf = __webpack_require__(12);
var _AST = __webpack_require__(2);
var _AST2 = _interopRequireWildcard(_AST);
var slice = [].slice;
function Compiler() {}
// the foundHelper register will disambiguate helper lookup from finding a
// function in a context. This is necessary for mustache compatibility, which
// requires that context functions in blocks are evaluated by blockHelperMissing,
// and then proceed as if the resulting value was provided to blockHelperMissing.
Compiler.prototype = {
compiler: Compiler,
equals: function equals(other) {
var len = this.opcodes.length;
if (other.opcodes.length !== len) {
return false;
}
for (var i = 0; i < len; i++) {
var opcode = this.opcodes[i],
otherOpcode = other.opcodes[i];
if (opcode.opcode !== otherOpcode.opcode || !argEquals(opcode.args, otherOpcode.args)) {
return false;
}
}
// We know that length is the same between the two arrays because they are directly tied
// to the opcode behavior above.
len = this.children.length;
for (var i = 0; i < len; i++) {
if (!this.children[i].equals(other.children[i])) {
return false;
}
}
return true;
},
guid: 0,
compile: function compile(program, options) {
this.sourceNode = [];
this.opcodes = [];
this.children = [];
this.options = options;
this.stringParams = options.stringParams;
this.trackIds = options.trackIds;
options.blockParams = options.blockParams || [];
// These changes will propagate to the other compiler components
var knownHelpers = options.knownHelpers;
options.knownHelpers = {
helperMissing: true,
blockHelperMissing: true,
each: true,
'if': true,
unless: true,
'with': true,
log: true,
lookup: true
};
if (knownHelpers) {
for (var _name in knownHelpers) {
if (_name in knownHelpers) {
options.knownHelpers[_name] = knownHelpers[_name];
}
}
}
return this.accept(program);
},
compileProgram: function compileProgram(program) {
var childCompiler = new this.compiler(),
// eslint-disable-line new-cap
result = childCompiler.compile(program, this.options),
guid = this.guid++;
this.usePartial = this.usePartial || result.usePartial;
this.children[guid] = result;
this.useDepths = this.useDepths || result.useDepths;
return guid;
},
accept: function accept(node) {
this.sourceNode.unshift(node);
var ret = this[node.type](node);
this.sourceNode.shift();
return ret;
},
Program: function Program(program) {
this.options.blockParams.unshift(program.blockParams);
var body = program.body,
bodyLength = body.length;
for (var i = 0; i < bodyLength; i++) {
this.accept(body[i]);
}
this.options.blockParams.shift();
this.isSimple = bodyLength === 1;
this.blockParams = program.blockParams ? program.blockParams.length : 0;
return this;
},
BlockStatement: function BlockStatement(block) {
transformLiteralToPath(block);
var program = block.program,
inverse = block.inverse;
program = program && this.compileProgram(program);
inverse = inverse && this.compileProgram(inverse);
var type = this.classifySexpr(block);
if (type === 'helper') {
this.helperSexpr(block, program, inverse);
} else if (type === 'simple') {
this.simpleSexpr(block);
// now that the simple mustache is resolved, we need to
// evaluate it by executing `blockHelperMissing`
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.opcode('emptyHash');
this.opcode('blockValue', block.path.original);
} else {
this.ambiguousSexpr(block, program, inverse);
// now that the simple mustache is resolved, we need to
// evaluate it by executing `blockHelperMissing`
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.opcode('emptyHash');
this.opcode('ambiguousBlockValue');
}
this.opcode('append');
},
PartialStatement: function PartialStatement(partial) {
this.usePartial = true;
var params = partial.params;
if (params.length > 1) {
throw new _Exception2['default']('Unsupported number of partial arguments: ' + params.length, partial);
} else if (!params.length) {
params.push({ type: 'PathExpression', parts: [], depth: 0 });
}
var partialName = partial.name.original,
isDynamic = partial.name.type === 'SubExpression';
if (isDynamic) {
this.accept(partial.name);
}
this.setupFullMustacheParams(partial, undefined, undefined, true);
var indent = partial.indent || '';
if (this.options.preventIndent && indent) {
this.opcode('appendContent', indent);
indent = '';
}
this.opcode('invokePartial', isDynamic, partialName, indent);
this.opcode('append');
},
MustacheStatement: function MustacheStatement(mustache) {
this.SubExpression(mustache); // eslint-disable-line new-cap
if (mustache.escaped && !this.options.noEscape) {
this.opcode('appendEscaped');
} else {
this.opcode('append');
}
},
ContentStatement: function ContentStatement(content) {
if (content.value) {
this.opcode('appendContent', content.value);
}
},
CommentStatement: function CommentStatement() {},
SubExpression: function SubExpression(sexpr) {
transformLiteralToPath(sexpr);
var type = this.classifySexpr(sexpr);
if (type === 'simple') {
this.simpleSexpr(sexpr);
} else if (type === 'helper') {
this.helperSexpr(sexpr);
} else {
this.ambiguousSexpr(sexpr);
}
},
ambiguousSexpr: function ambiguousSexpr(sexpr, program, inverse) {
var path = sexpr.path,
name = path.parts[0],
isBlock = program != null || inverse != null;
this.opcode('getContext', path.depth);
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.accept(path);
this.opcode('invokeAmbiguous', name, isBlock);
},
simpleSexpr: function simpleSexpr(sexpr) {
this.accept(sexpr.path);
this.opcode('resolvePossibleLambda');
},
helperSexpr: function helperSexpr(sexpr, program, inverse) {
var params = this.setupFullMustacheParams(sexpr, program, inverse),
path = sexpr.path,
name = path.parts[0];
if (this.options.knownHelpers[name]) {
this.opcode('invokeKnownHelper', params.length, name);
} else if (this.options.knownHelpersOnly) {
throw new _Exception2['default']('You specified knownHelpersOnly, but used the unknown helper ' + name, sexpr);
} else {
path.falsy = true;
this.accept(path);
this.opcode('invokeHelper', params.length, path.original, _AST2['default'].helpers.simpleId(path));
}
},
PathExpression: function PathExpression(path) {
this.addDepth(path.depth);
this.opcode('getContext', path.depth);
var name = path.parts[0],
scoped = _AST2['default'].helpers.scopedId(path),
blockParamId = !path.depth && !scoped && this.blockParamIndex(name);
if (blockParamId) {
this.opcode('lookupBlockParam', blockParamId, path.parts);
} else if (!name) {
// Context reference, i.e. `{{foo .}}` or `{{foo ..}}`
this.opcode('pushContext');
} else if (path.data) {
this.options.data = true;
this.opcode('lookupData', path.depth, path.parts);
} else {
this.opcode('lookupOnContext', path.parts, path.falsy, scoped);
}
},
StringLiteral: function StringLiteral(string) {
this.opcode('pushString', string.value);
},
NumberLiteral: function NumberLiteral(number) {
this.opcode('pushLiteral', number.value);
},
BooleanLiteral: function BooleanLiteral(bool) {
this.opcode('pushLiteral', bool.value);
},
UndefinedLiteral: function UndefinedLiteral() {
this.opcode('pushLiteral', 'undefined');
},
NullLiteral: function NullLiteral() {
this.opcode('pushLiteral', 'null');
},
Hash: function Hash(hash) {
var pairs = hash.pairs,
i = 0,
l = pairs.length;
this.opcode('pushHash');
for (; i < l; i++) {
this.pushParam(pairs[i].value);
}
while (i--) {
this.opcode('assignToHash', pairs[i].key);
}
this.opcode('popHash');
},
// HELPERS
opcode: function opcode(name) {
this.opcodes.push({ opcode: name, args: slice.call(arguments, 1), loc: this.sourceNode[0].loc });
},
addDepth: function addDepth(depth) {
if (!depth) {
return;
}
this.useDepths = true;
},
classifySexpr: function classifySexpr(sexpr) {
var isSimple = _AST2['default'].helpers.simpleId(sexpr.path);
var isBlockParam = isSimple && !!this.blockParamIndex(sexpr.path.parts[0]);
// a mustache is an eligible helper if:
// * its id is simple (a single part, not `this` or `..`)
var isHelper = !isBlockParam && _AST2['default'].helpers.helperExpression(sexpr);
// if a mustache is an eligible helper but not a definite
// helper, it is ambiguous, and will be resolved in a later
// pass or at runtime.
var isEligible = !isBlockParam && (isHelper || isSimple);
// if ambiguous, we can possibly resolve the ambiguity now
// An eligible helper is one that does not have a complex path, i.e. `this.foo`, `../foo` etc.
if (isEligible && !isHelper) {
var _name2 = sexpr.path.parts[0],
options = this.options;
if (options.knownHelpers[_name2]) {
isHelper = true;
} else if (options.knownHelpersOnly) {
isEligible = false;
}
}
if (isHelper) {
return 'helper';
} else if (isEligible) {
return 'ambiguous';
} else {
return 'simple';
}
},
pushParams: function pushParams(params) {
for (var i = 0, l = params.length; i < l; i++) {
this.pushParam(params[i]);
}
},
pushParam: function pushParam(val) {
var value = val.value != null ? val.value : val.original || '';
if (this.stringParams) {
if (value.replace) {
value = value.replace(/^(\.?\.\/)*/g, '').replace(/\//g, '.');
}
if (val.depth) {
this.addDepth(val.depth);
}
this.opcode('getContext', val.depth || 0);
this.opcode('pushStringParam', value, val.type);
if (val.type === 'SubExpression') {
// SubExpressions get evaluated and passed in
// in string params mode.
this.accept(val);
}
} else {
if (this.trackIds) {
var blockParamIndex = undefined;
if (val.parts && !_AST2['default'].helpers.scopedId(val) && !val.depth) {
blockParamIndex = this.blockParamIndex(val.parts[0]);
}
if (blockParamIndex) {
var blockParamChild = val.parts.slice(1).join('.');
this.opcode('pushId', 'BlockParam', blockParamIndex, blockParamChild);
} else {
value = val.original || value;
if (value.replace) {
value = value.replace(/^\.\//g, '').replace(/^\.$/g, '');
}
this.opcode('pushId', val.type, value);
}
}
this.accept(val);
}
},
setupFullMustacheParams: function setupFullMustacheParams(sexpr, program, inverse, omitEmpty) {
var params = sexpr.params;
this.pushParams(params);
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
if (sexpr.hash) {
this.accept(sexpr.hash);
} else {
this.opcode('emptyHash', omitEmpty);
}
return params;
},
blockParamIndex: function blockParamIndex(name) {
for (var depth = 0, len = this.options.blockParams.length; depth < len; depth++) {
var blockParams = this.options.blockParams[depth],
param = blockParams && _isArray$indexOf.indexOf(blockParams, name);
if (blockParams && param >= 0) {
return [depth, param];
}
}
}
};
function precompile(input, options, env) {
if (input == null || typeof input !== 'string' && input.type !== 'Program') {
throw new _Exception2['default']('You must pass a string or Handlebars AST to Handlebars.precompile. You passed ' + input);
}
options = options || {};
if (!('data' in options)) {
options.data = true;
}
if (options.compat) {
options.useDepths = true;
}
var ast = env.parse(input, options),
environment = new env.Compiler().compile(ast, options);
return new env.JavaScriptCompiler().compile(environment, options);
}
function compile(input, _x, env) {
var options = arguments[1] === undefined ? {} : arguments[1];
if (input == null || typeof input !== 'string' && input.type !== 'Program') {
throw new _Exception2['default']('You must pass a string or Handlebars AST to Handlebars.compile. You passed ' + input);
}
if (!('data' in options)) {
options.data = true;
}
if (options.compat) {
options.useDepths = true;
}
var compiled = undefined;
function compileInput() {
var ast = env.parse(input, options),
environment = new env.Compiler().compile(ast, options),
templateSpec = new env.JavaScriptCompiler().compile(environment, options, undefined, true);
return env.template(templateSpec);
}
// Template is only compiled on first use and cached after that point.
function ret(context, execOptions) {
if (!compiled) {
compiled = compileInput();
}
return compiled.call(this, context, execOptions);
}
ret._setup = function (setupOptions) {
if (!compiled) {
compiled = compileInput();
}
return compiled._setup(setupOptions);
};
ret._child = function (i, data, blockParams, depths) {
if (!compiled) {
compiled = compileInput();
}
return compiled._child(i, data, blockParams, depths);
};
return ret;
}
function argEquals(a, b) {
if (a === b) {
return true;
}
if (_isArray$indexOf.isArray(a) && _isArray$indexOf.isArray(b) && a.length === b.length) {
for (var i = 0; i < a.length; i++) {
if (!argEquals(a[i], b[i])) {
return false;
}
}
return true;
}
}
function transformLiteralToPath(sexpr) {
if (!sexpr.path.parts) {
var literal = sexpr.path;
// Casting to string here to make false and 0 literal values play nicely with the rest
// of the system.
sexpr.path = new _AST2['default'].PathExpression(false, 0, [literal.original + ''], literal.original + '', literal.loc);
}
}
/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {
'use strict';
var _interopRequireWildcard = __webpack_require__(8)['default'];
exports.__esModule = true;
var _COMPILER_REVISION$REVISION_CHANGES = __webpack_require__(9);
var _Exception = __webpack_require__(11);
var _Exception2 = _interopRequireWildcard(_Exception);
var _isArray = __webpack_require__(12);
var _CodeGen = __webpack_require__(17);
var _CodeGen2 = _interopRequireWildcard(_CodeGen);
function Literal(value) {
this.value = value;
}
function JavaScriptCompiler() {}
JavaScriptCompiler.prototype = {
// PUBLIC API: You can override these methods in a subclass to provide
// alternative compiled forms for name lookup and buffering semantics
nameLookup: function nameLookup(parent, name /* , type*/) {
if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
return [parent, '.', name];
} else {
return [parent, '[\'', name, '\']'];
}
},
depthedLookup: function depthedLookup(name) {
return [this.aliasable('this.lookup'), '(depths, "', name, '")'];
},
compilerInfo: function compilerInfo() {
var revision = _COMPILER_REVISION$REVISION_CHANGES.COMPILER_REVISION,
versions = _COMPILER_REVISION$REVISION_CHANGES.REVISION_CHANGES[revision];
return [revision, versions];
},
appendToBuffer: function appendToBuffer(source, location, explicit) {
// Force a source as this simplifies the merge logic.
if (!_isArray.isArray(source)) {
source = [source];
}
source = this.source.wrap(source, location);
if (this.environment.isSimple) {
return ['return ', source, ';'];
} else if (explicit) {
// This is a case where the buffer operation occurs as a child of another
// construct, generally braces. We have to explicitly output these buffer
// operations to ensure that the emitted code goes in the correct location.
return ['buffer += ', source, ';'];
} else {
source.appendToBuffer = true;
return source;
}
},
initializeBuffer: function initializeBuffer() {
return this.quotedString('');
},
// END PUBLIC API
compile: function compile(environment, options, context, asObject) {
this.environment = environment;
this.options = options;
this.stringParams = this.options.stringParams;
this.trackIds = this.options.trackIds;
this.precompile = !asObject;
this.name = this.environment.name;
this.isChild = !!context;
this.context = context || {
programs: [],
environments: []
};
this.preamble();
this.stackSlot = 0;
this.stackVars = [];
this.aliases = {};
this.registers = { list: [] };
this.hashes = [];
this.compileStack = [];
this.inlineStack = [];
this.blockParams = [];
this.compileChildren(environment, options);
this.useDepths = this.useDepths || environment.useDepths || this.options.compat;
this.useBlockParams = this.useBlockParams || environment.useBlockParams;
var opcodes = environment.opcodes,
opcode = undefined,
firstLoc = undefined,
i = undefined,
l = undefined;
for (i = 0, l = opcodes.length; i < l; i++) {
opcode = opcodes[i];
this.source.currentLocation = opcode.loc;
firstLoc = firstLoc || opcode.loc;
this[opcode.opcode].apply(this, opcode.args);
}
// Flush any trailing content that might be pending.
this.source.currentLocation = firstLoc;
this.pushSource('');
/* istanbul ignore next */
if (this.stackSlot || this.inlineStack.length || this.compileStack.length) {
throw new _Exception2['default']('Compile completed with content left on stack');
}
var fn = this.createFunctionContext(asObject);
if (!this.isChild) {
var ret = {
compiler: this.compilerInfo(),
main: fn
};
var programs = this.context.programs;
for (i = 0, l = programs.length; i < l; i++) {
if (programs[i]) {
ret[i] = programs[i];
}
}
if (this.environment.usePartial) {
ret.usePartial = true;
}
if (this.options.data) {
ret.useData = true;
}
if (this.useDepths) {
ret.useDepths = true;
}
if (this.useBlockParams) {
ret.useBlockParams = true;
}
if (this.options.compat) {
ret.compat = true;
}
if (!asObject) {
ret.compiler = JSON.stringify(ret.compiler);
this.source.currentLocation = { start: { line: 1, column: 0 } };
ret = this.objectLiteral(ret);
if (options.srcName) {
ret = ret.toStringWithSourceMap({ file: options.destName });
ret.map = ret.map && ret.map.toString();
} else {
ret = ret.toString();
}
} else {
ret.compilerOptions = this.options;
}
return ret;
} else {
return fn;
}
},
preamble: function preamble() {
// track the last context pushed into place to allow skipping the
// getContext opcode when it would be a noop
this.lastContext = 0;
this.source = new _CodeGen2['default'](this.options.srcName);
},
createFunctionContext: function createFunctionContext(asObject) {
var varDeclarations = '';
var locals = this.stackVars.concat(this.registers.list);
if (locals.length > 0) {
varDeclarations += ', ' + locals.join(', ');
}
// Generate minimizer alias mappings
//
// When using true SourceNodes, this will update all references to the given alias
// as the source nodes are reused in situ. For the non-source node compilation mode,
// aliases will not be used, but this case is already being run on the client and
// we aren't concern about minimizing the template size.
var aliasCount = 0;
for (var alias in this.aliases) {
// eslint-disable-line guard-for-in
var node = this.aliases[alias];
if (this.aliases.hasOwnProperty(alias) && node.children && node.referenceCount > 1) {
varDeclarations += ', alias' + ++aliasCount + '=' + alias;
node.children[0] = 'alias' + aliasCount;
}
}
var params = ['depth0', 'helpers', 'partials', 'data'];
if (this.useBlockParams || this.useDepths) {
params.push('blockParams');
}
if (this.useDepths) {
params.push('depths');
}
// Perform a second pass over the output to merge content when possible
var source = this.mergeSource(varDeclarations);
if (asObject) {
params.push(source);
return Function.apply(this, params);
} else {
return this.source.wrap(['function(', params.join(','), ') {\n ', source, '}']);
}
},
mergeSource: function mergeSource(varDeclarations) {
var isSimple = this.environment.isSimple,
appendOnly = !this.forceBuffer,
appendFirst = undefined,
sourceSeen = undefined,
bufferStart = undefined,
bufferEnd = undefined;
this.source.each(function (line) {
if (line.appendToBuffer) {
if (bufferStart) {
line.prepend(' + ');
} else {
bufferStart = line;
}
bufferEnd = line;
} else {
if (bufferStart) {
if (!sourceSeen) {
appendFirst = true;
} else {
bufferStart.prepend('buffer += ');
}
bufferEnd.add(';');
bufferStart = bufferEnd = undefined;
}
sourceSeen = true;
if (!isSimple) {
appendOnly = false;
}
}
});
if (appendOnly) {
if (bufferStart) {
bufferStart.prepend('return ');
bufferEnd.add(';');
} else if (!sourceSeen) {
this.source.push('return "";');
}
} else {
varDeclarations += ', buffer = ' + (appendFirst ? '' : this.initializeBuffer());
if (bufferStart) {
bufferStart.prepend('return buffer + ');
bufferEnd.add(';');
} else {
this.source.push('return buffer;');
}
}
if (varDeclarations) {
this.source.prepend('var ' + varDeclarations.substring(2) + (appendFirst ? '' : ';\n'));
}
return this.source.merge();
},
// [blockValue]
//
// On stack, before: hash, inverse, program, value
// On stack, after: return value of blockHelperMissing
//
// The purpose of this opcode is to take a block of the form
// `{{#this.foo}}...{{/this.foo}}`, resolve the value of `foo`, and
// replace it on the stack with the result of properly
// invoking blockHelperMissing.
blockValue: function blockValue(name) {
var blockHelperMissing = this.aliasable('helpers.blockHelperMissing'),
params = [this.contextName(0)];
this.setupHelperArgs(name, 0, params);
var blockName = this.popStack();
params.splice(1, 0, blockName);
this.push(this.source.functionCall(blockHelperMissing, 'call', params));
},
// [ambiguousBlockValue]
//
// On stack, before: hash, inverse, program, value
// Compiler value, before: lastHelper=value of last found helper, if any
// On stack, after, if no lastHelper: same as [blockValue]
// On stack, after, if lastHelper: value
ambiguousBlockValue: function ambiguousBlockValue() {
// We're being a bit cheeky and reusing the options value from the prior exec
var blockHelperMissing = this.aliasable('helpers.blockHelperMissing'),
params = [this.contextName(0)];
this.setupHelperArgs('', 0, params, true);
this.flushInline();
var current = this.topStack();
params.splice(1, 0, current);
this.pushSource(['if (!', this.lastHelper, ') { ', current, ' = ', this.source.functionCall(blockHelperMissing, 'call', params), '}']);
},
// [appendContent]
//
// On stack, before: ...
// On stack, after: ...
//
// Appends the string value of `content` to the current buffer
appendContent: function appendContent(content) {
if (this.pendingContent) {
content = this.pendingContent + content;
} else {
this.pendingLocation = this.source.currentLocation;
}
this.pendingContent = content;
},
// [append]
//
// On stack, before: value, ...
// On stack, after: ...
//
// Coerces `value` to a String and appends it to the current buffer.
//
// If `value` is truthy, or 0, it is coerced into a string and appended
// Otherwise, the empty string is appended
append: function append() {
if (this.isInline()) {
this.replaceStack(function (current) {
return [' != null ? ', current, ' : ""'];
});
this.pushSource(this.appendToBuffer(this.popStack()));
} else {
var local = this.popStack();
this.pushSource(['if (', local, ' != null) { ', this.appendToBuffer(local, undefined, true), ' }']);
if (this.environment.isSimple) {
this.pushSource(['else { ', this.appendToBuffer('\'\'', undefined, true), ' }']);
}
}
},
// [appendEscaped]
//
// On stack, before: value, ...
// On stack, after: ...
//
// Escape `value` and append it to the buffer
appendEscaped: function appendEscaped() {
this.pushSource(this.appendToBuffer([this.aliasable('this.escapeExpression'), '(', this.popStack(), ')']));
},
// [getContext]
//
// On stack, before: ...
// On stack, after: ...
// Compiler value, after: lastContext=depth
//
// Set the value of the `lastContext` compiler value to the depth
getContext: function getContext(depth) {
this.lastContext = depth;
},
// [pushContext]
//
// On stack, before: ...
// On stack, after: currentContext, ...
//
// Pushes the value of the current context onto the stack.
pushContext: function pushContext() {
this.pushStackLiteral(this.contextName(this.lastContext));
},
// [lookupOnContext]
//
// On stack, before: ...
// On stack, after: currentContext[name], ...
//
// Looks up the value of `name` on the current context and pushes
// it onto the stack.
lookupOnContext: function lookupOnContext(parts, falsy, scoped) {
var i = 0;
if (!scoped && this.options.compat && !this.lastContext) {
// The depthed query is expected to handle the undefined logic for the root level that
// is implemented below, so we evaluate that directly in compat mode
this.push(this.depthedLookup(parts[i++]));
} else {
this.pushContext();
}
this.resolvePath('context', parts, i, falsy);
},
// [lookupBlockParam]
//
// On stack, before: ...
// On stack, after: blockParam[name], ...
//
// Looks up the value of `parts` on the given block param and pushes
// it onto the stack.
lookupBlockParam: function lookupBlockParam(blockParamId, parts) {
this.useBlockParams = true;
this.push(['blockParams[', blockParamId[0], '][', blockParamId[1], ']']);
this.resolvePath('context', parts, 1);
},
// [lookupData]
//
// On stack, before: ...
// On stack, after: data, ...
//
// Push the data lookup operator
lookupData: function lookupData(depth, parts) {
if (!depth) {
this.pushStackLiteral('data');
} else {
this.pushStackLiteral('this.data(data, ' + depth + ')');
}
this.resolvePath('data', parts, 0, true);
},
resolvePath: function resolvePath(type, parts, i, falsy) {
var _this = this;
if (this.options.strict || this.options.assumeObjects) {
this.push(strictLookup(this.options.strict, this, parts, type));
return;
}
var len = parts.length;
for (; i < len; i++) {
/*eslint-disable no-loop-func */
this.replaceStack(function (current) {
var lookup = _this.nameLookup(current, parts[i], type);
// We want to ensure that zero and false are handled properly if the context (falsy flag)
// needs to have the special handling for these values.
if (!falsy) {
return [' != null ? ', lookup, ' : ', current];
} else {
// Otherwise we can use generic falsy handling
return [' && ', lookup];
}
});
/*eslint-enable no-loop-func */
}
},
// [resolvePossibleLambda]
//
// On stack, before: value, ...
// On stack, after: resolved value, ...
//
// If the `value` is a lambda, replace it on the stack by
// the return value of the lambda
resolvePossibleLambda: function resolvePossibleLambda() {
this.push([this.aliasable('this.lambda'), '(', this.popStack(), ', ', this.contextName(0), ')']);
},
// [pushStringParam]
//
// On stack, before: ...
// On stack, after: string, currentContext, ...
//
// This opcode is designed for use in string mode, which
// provides the string value of a parameter along with its
// depth rather than resolving it immediately.
pushStringParam: function pushStringParam(string, type) {
this.pushContext();
this.pushString(type);
// If it's a subexpression, the string result
// will be pushed after this opcode.
if (type !== 'SubExpression') {
if (typeof string === 'string') {
this.pushString(string);
} else {
this.pushStackLiteral(string);
}
}
},
emptyHash: function emptyHash(omitEmpty) {
if (this.trackIds) {
this.push('{}'); // hashIds
}
if (this.stringParams) {
this.push('{}'); // hashContexts
this.push('{}'); // hashTypes
}
this.pushStackLiteral(omitEmpty ? 'undefined' : '{}');
},
pushHash: function pushHash() {
if (this.hash) {
this.hashes.push(this.hash);
}
this.hash = { values: [], types: [], contexts: [], ids: [] };
},
popHash: function popHash() {
var hash = this.hash;
this.hash = this.hashes.pop();
if (this.trackIds) {
this.push(this.objectLiteral(hash.ids));
}
if (this.stringParams) {
this.push(this.objectLiteral(hash.contexts));
this.push(this.objectLiteral(hash.types));
}
this.push(this.objectLiteral(hash.values));
},
// [pushString]
//
// On stack, before: ...
// On stack, after: quotedString(string), ...
//
// Push a quoted version of `string` onto the stack
pushString: function pushString(string) {
this.pushStackLiteral(this.quotedString(string));
},
// [pushLiteral]
//
// On stack, before: ...
// On stack, after: value, ...
//
// Pushes a value onto the stack. This operation prevents
// the compiler from creating a temporary variable to hold
// it.
pushLiteral: function pushLiteral(value) {
this.pushStackLiteral(value);
},
// [pushProgram]
//
// On stack, before: ...
// On stack, after: program(guid), ...
//
// Push a program expression onto the stack. This takes
// a compile-time guid and converts it into a runtime-accessible
// expression.
pushProgram: function pushProgram(guid) {
if (guid != null) {
this.pushStackLiteral(this.programExpression(guid));
} else {
this.pushStackLiteral(null);
}
},
// [invokeHelper]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of helper invocation
//
// Pops off the helper's parameters, invokes the helper,
// and pushes the helper's return value onto the stack.
//
// If the helper is not found, `helperMissing` is called.
invokeHelper: function invokeHelper(paramSize, name, isSimple) {
var nonHelper = this.popStack(),
helper = this.setupHelper(paramSize, name),
simple = isSimple ? [helper.name, ' || '] : '';
var lookup = ['('].concat(simple, nonHelper);
if (!this.options.strict) {
lookup.push(' || ', this.aliasable('helpers.helperMissing'));
}
lookup.push(')');
this.push(this.source.functionCall(lookup, 'call', helper.callParams));
},
// [invokeKnownHelper]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of helper invocation
//
// This operation is used when the helper is known to exist,
// so a `helperMissing` fallback is not required.
invokeKnownHelper: function invokeKnownHelper(paramSize, name) {
var helper = this.setupHelper(paramSize, name);
this.push(this.source.functionCall(helper.name, 'call', helper.callParams));
},
// [invokeAmbiguous]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of disambiguation
//
// This operation is used when an expression like `{{foo}}`
// is provided, but we don't know at compile-time whether it
// is a helper or a path.
//
// This operation emits more code than the other options,
// and can be avoided by passing the `knownHelpers` and
// `knownHelpersOnly` flags at compile-time.
invokeAmbiguous: function invokeAmbiguous(name, helperCall) {
this.useRegister('helper');
var nonHelper = this.popStack();
this.emptyHash();
var helper = this.setupHelper(0, name, helperCall);
var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper');
var lookup = ['(', '(helper = ', helperName, ' || ', nonHelper, ')'];
if (!this.options.strict) {
lookup[0] = '(helper = ';
lookup.push(' != null ? helper : ', this.aliasable('helpers.helperMissing'));
}
this.push(['(', lookup, helper.paramsInit ? ['),(', helper.paramsInit] : [], '),', '(typeof helper === ', this.aliasable('"function"'), ' ? ', this.source.functionCall('helper', 'call', helper.callParams), ' : helper))']);
},
// [invokePartial]
//
// On stack, before: context, ...
// On stack after: result of partial invocation
//
// This operation pops off a context, invokes a partial with that context,
// and pushes the result of the invocation back.
invokePartial: function invokePartial(isDynamic, name, indent) {
var params = [],
options = this.setupParams(name, 1, params, false);
if (isDynamic) {
name = this.popStack();
delete options.name;
}
if (indent) {
options.indent = JSON.stringify(indent);
}
options.helpers = 'helpers';
options.partials = 'partials';
if (!isDynamic) {
params.unshift(this.nameLookup('partials', name, 'partial'));
} else {
params.unshift(name);
}
if (this.options.compat) {
options.depths = 'depths';
}
options = this.objectLiteral(options);
params.push(options);
this.push(this.source.functionCall('this.invokePartial', '', params));
},
// [assignToHash]
//
// On stack, before: value, ..., hash, ...
// On stack, after: ..., hash, ...
//
// Pops a value off the stack and assigns it to the current hash
assignToHash: function assignToHash(key) {
var value = this.popStack(),
context = undefined,
type = undefined,
id = undefined;
if (this.trackIds) {
id = this.popStack();
}
if (this.stringParams) {
type = this.popStack();
context = this.popStack();
}
var hash = this.hash;
if (context) {
hash.contexts[key] = context;
}
if (type) {
hash.types[key] = type;
}
if (id) {
hash.ids[key] = id;
}
hash.values[key] = value;
},
pushId: function pushId(type, name, child) {
if (type === 'BlockParam') {
this.pushStackLiteral('blockParams[' + name[0] + '].path[' + name[1] + ']' + (child ? ' + ' + JSON.stringify('.' + child) : ''));
} else if (type === 'PathExpression') {
this.pushString(name);
} else if (type === 'SubExpression') {
this.pushStackLiteral('true');
} else {
this.pushStackLiteral('null');
}
},
// HELPERS
compiler: JavaScriptCompiler,
compileChildren: function compileChildren(environment, options) {
var children = environment.children,
child = undefined,
compiler = undefined;
for (var i = 0, l = children.length; i < l; i++) {
child = children[i];
compiler = new this.compiler(); // eslint-disable-line new-cap
var index = this.matchExistingProgram(child);
if (index == null) {
this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children
index = this.context.programs.length;
child.index = index;
child.name = 'program' + index;
this.context.programs[index] = compiler.compile(child, options, this.context, !this.precompile);
this.context.environments[index] = child;
this.useDepths = this.useDepths || compiler.useDepths;
this.useBlockParams = this.