angular2
Version:
Angular 2 - a web framework for modern web apps
210 lines • 37.3 kB
JavaScript
;var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
var collection_1 = require('angular2/src/facade/collection');
var constants_1 = require('./constants');
var pipe_lifecycle_reflector_1 = require('./pipe_lifecycle_reflector');
var binding_record_1 = require('./binding_record');
var directive_record_1 = require('./directive_record');
/**
* Indicates that the result of a {@link PipeMetadata} transformation has changed even though the
* reference
* has not changed.
*
* The wrapped value will be unwrapped by change detection, and the unwrapped value will be stored.
*
* Example:
*
* ```
* if (this._latestValue === this._latestReturnedValue) {
* return this._latestReturnedValue;
* } else {
* this._latestReturnedValue = this._latestValue;
* return WrappedValue.wrap(this._latestValue); // this will force update
* }
* ```
*/
var WrappedValue = (function () {
function WrappedValue(wrapped) {
this.wrapped = wrapped;
}
WrappedValue.wrap = function (value) {
var w = _wrappedValues[_wrappedIndex++ % 5];
w.wrapped = value;
return w;
};
return WrappedValue;
})();
exports.WrappedValue = WrappedValue;
var _wrappedValues = [
new WrappedValue(null),
new WrappedValue(null),
new WrappedValue(null),
new WrappedValue(null),
new WrappedValue(null)
];
var _wrappedIndex = 0;
/**
* Represents a basic change from a previous to a new value.
*/
var SimpleChange = (function () {
function SimpleChange(previousValue, currentValue) {
this.previousValue = previousValue;
this.currentValue = currentValue;
}
/**
* Check whether the new value is the first value assigned.
*/
SimpleChange.prototype.isFirstChange = function () { return this.previousValue === ChangeDetectionUtil.uninitialized; };
return SimpleChange;
})();
exports.SimpleChange = SimpleChange;
var _simpleChangesIndex = 0;
var _simpleChanges = [
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null),
new SimpleChange(null, null)
];
function _simpleChange(previousValue, currentValue) {
var index = _simpleChangesIndex++ % 20;
var s = _simpleChanges[index];
s.previousValue = previousValue;
s.currentValue = currentValue;
return s;
}
/* tslint:disable:requireParameterType */
var ChangeDetectionUtil = (function () {
function ChangeDetectionUtil() {
}
ChangeDetectionUtil.arrayFn0 = function () { return []; };
ChangeDetectionUtil.arrayFn1 = function (a1) { return [a1]; };
ChangeDetectionUtil.arrayFn2 = function (a1, a2) { return [a1, a2]; };
ChangeDetectionUtil.arrayFn3 = function (a1, a2, a3) { return [a1, a2, a3]; };
ChangeDetectionUtil.arrayFn4 = function (a1, a2, a3, a4) { return [a1, a2, a3, a4]; };
ChangeDetectionUtil.arrayFn5 = function (a1, a2, a3, a4, a5) { return [a1, a2, a3, a4, a5]; };
ChangeDetectionUtil.arrayFn6 = function (a1, a2, a3, a4, a5, a6) { return [a1, a2, a3, a4, a5, a6]; };
ChangeDetectionUtil.arrayFn7 = function (a1, a2, a3, a4, a5, a6, a7) { return [a1, a2, a3, a4, a5, a6, a7]; };
ChangeDetectionUtil.arrayFn8 = function (a1, a2, a3, a4, a5, a6, a7, a8) {
return [a1, a2, a3, a4, a5, a6, a7, a8];
};
ChangeDetectionUtil.arrayFn9 = function (a1, a2, a3, a4, a5, a6, a7, a8, a9) {
return [a1, a2, a3, a4, a5, a6, a7, a8, a9];
};
ChangeDetectionUtil.operation_negate = function (value) { return !value; };
ChangeDetectionUtil.operation_add = function (left, right) { return left + right; };
ChangeDetectionUtil.operation_subtract = function (left, right) { return left - right; };
ChangeDetectionUtil.operation_multiply = function (left, right) { return left * right; };
ChangeDetectionUtil.operation_divide = function (left, right) { return left / right; };
ChangeDetectionUtil.operation_remainder = function (left, right) { return left % right; };
ChangeDetectionUtil.operation_equals = function (left, right) { return left == right; };
ChangeDetectionUtil.operation_not_equals = function (left, right) { return left != right; };
ChangeDetectionUtil.operation_identical = function (left, right) { return left === right; };
ChangeDetectionUtil.operation_not_identical = function (left, right) { return left !== right; };
ChangeDetectionUtil.operation_less_then = function (left, right) { return left < right; };
ChangeDetectionUtil.operation_greater_then = function (left, right) { return left > right; };
ChangeDetectionUtil.operation_less_or_equals_then = function (left, right) { return left <= right; };
ChangeDetectionUtil.operation_greater_or_equals_then = function (left, right) { return left >= right; };
ChangeDetectionUtil.cond = function (cond, trueVal, falseVal) { return cond ? trueVal : falseVal; };
ChangeDetectionUtil.mapFn = function (keys) {
function buildMap(values) {
var res = collection_1.StringMapWrapper.create();
for (var i = 0; i < keys.length; ++i) {
collection_1.StringMapWrapper.set(res, keys[i], values[i]);
}
return res;
}
switch (keys.length) {
case 0:
return function () { return []; };
case 1:
return function (a1) { return buildMap([a1]); };
case 2:
return function (a1, a2) { return buildMap([a1, a2]); };
case 3:
return function (a1, a2, a3) { return buildMap([a1, a2, a3]); };
case 4:
return function (a1, a2, a3, a4) { return buildMap([a1, a2, a3, a4]); };
case 5:
return function (a1, a2, a3, a4, a5) { return buildMap([a1, a2, a3, a4, a5]); };
case 6:
return function (a1, a2, a3, a4, a5, a6) { return buildMap([a1, a2, a3, a4, a5, a6]); };
case 7:
return function (a1, a2, a3, a4, a5, a6, a7) { return buildMap([a1, a2, a3, a4, a5, a6, a7]); };
case 8:
return function (a1, a2, a3, a4, a5, a6, a7, a8) { return buildMap([a1, a2, a3, a4, a5, a6, a7, a8]); };
case 9:
return function (a1, a2, a3, a4, a5, a6, a7, a8, a9) {
return buildMap([a1, a2, a3, a4, a5, a6, a7, a8, a9]);
};
default:
throw new exceptions_1.BaseException("Does not support literal maps with more than 9 elements");
}
};
ChangeDetectionUtil.keyedAccess = function (obj, args) { return obj[args[0]]; };
ChangeDetectionUtil.unwrapValue = function (value) {
if (value instanceof WrappedValue) {
return value.wrapped;
}
else {
return value;
}
};
ChangeDetectionUtil.changeDetectionMode = function (strategy) {
return constants_1.isDefaultChangeDetectionStrategy(strategy) ? constants_1.ChangeDetectionStrategy.CheckAlways :
constants_1.ChangeDetectionStrategy.CheckOnce;
};
ChangeDetectionUtil.simpleChange = function (previousValue, currentValue) {
return _simpleChange(previousValue, currentValue);
};
ChangeDetectionUtil.isValueBlank = function (value) { return lang_1.isBlank(value); };
ChangeDetectionUtil.s = function (value) { return lang_1.isPresent(value) ? "" + value : ''; };
ChangeDetectionUtil.protoByIndex = function (protos, selfIndex) {
return selfIndex < 1 ?
null :
protos[selfIndex - 1]; // self index is shifted by one because of context
};
ChangeDetectionUtil.callPipeOnDestroy = function (selectedPipe) {
if (pipe_lifecycle_reflector_1.implementsOnDestroy(selectedPipe.pipe)) {
selectedPipe.pipe.ngOnDestroy();
}
};
ChangeDetectionUtil.bindingTarget = function (mode, elementIndex, name, unit, debug) {
return new binding_record_1.BindingTarget(mode, elementIndex, name, unit, debug);
};
ChangeDetectionUtil.directiveIndex = function (elementIndex, directiveIndex) {
return new directive_record_1.DirectiveIndex(elementIndex, directiveIndex);
};
ChangeDetectionUtil.looseNotIdentical = function (a, b) { return !lang_1.looseIdentical(a, b); };
ChangeDetectionUtil.devModeEqual = function (a, b) {
if (collection_1.isListLikeIterable(a) && collection_1.isListLikeIterable(b)) {
return collection_1.areIterablesEqual(a, b, ChangeDetectionUtil.devModeEqual);
}
else if (!collection_1.isListLikeIterable(a) && !lang_1.isPrimitive(a) && !collection_1.isListLikeIterable(b) &&
!lang_1.isPrimitive(b)) {
return true;
}
else {
return lang_1.looseIdentical(a, b);
}
};
ChangeDetectionUtil.uninitialized = lang_1.CONST_EXPR(new Object());
return ChangeDetectionUtil;
})();
exports.ChangeDetectionUtil = ChangeDetectionUtil;
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{\n  CONST_EXPR,\n  isPresent,\n  isBlank,\n  Type,\n  StringWrapper,\n  looseIdentical,\n  isPrimitive\n} from 'angular2/src/facade/lang';\nimport {BaseException} from 'angular2/src/facade/exceptions';\nimport {\n  ListWrapper,\n  MapWrapper,\n  StringMapWrapper,\n  isListLikeIterable,\n  areIterablesEqual\n} from 'angular2/src/facade/collection';\nimport {ProtoRecord} from './proto_record';\nimport {ChangeDetectionStrategy, isDefaultChangeDetectionStrategy} from './constants';\nimport {implementsOnDestroy} from './pipe_lifecycle_reflector';\nimport {BindingTarget} from './binding_record';\nimport {DirectiveIndex} from './directive_record';\nimport {SelectedPipe} from './pipes';\n\n\n/**\n * Indicates that the result of a {@link PipeMetadata} transformation has changed even though the\n * reference\n * has not changed.\n *\n * The wrapped value will be unwrapped by change detection, and the unwrapped value will be stored.\n *\n * Example:\n *\n * ```\n * if (this._latestValue === this._latestReturnedValue) {\n *    return this._latestReturnedValue;\n *  } else {\n *    this._latestReturnedValue = this._latestValue;\n *    return WrappedValue.wrap(this._latestValue); // this will force update\n *  }\n * ```\n */\nexport class WrappedValue {\n  constructor(public wrapped: any) {}\n\n  static wrap(value: any): WrappedValue {\n    var w = _wrappedValues[_wrappedIndex++ % 5];\n    w.wrapped = value;\n    return w;\n  }\n}\n\nvar _wrappedValues = [\n  new WrappedValue(null),\n  new WrappedValue(null),\n  new WrappedValue(null),\n  new WrappedValue(null),\n  new WrappedValue(null)\n];\n\nvar _wrappedIndex = 0;\n\n/**\n * Represents a basic change from a previous to a new value.\n */\nexport class SimpleChange {\n  constructor(public previousValue: any, public currentValue: any) {}\n\n  /**\n   * Check whether the new value is the first value assigned.\n   */\n  isFirstChange(): boolean { return this.previousValue === ChangeDetectionUtil.uninitialized; }\n}\n\nvar _simpleChangesIndex = 0;\nvar _simpleChanges = [\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null),\n  new SimpleChange(null, null)\n];\n\nfunction _simpleChange(previousValue, currentValue): SimpleChange {\n  var index = _simpleChangesIndex++ % 20;\n  var s = _simpleChanges[index];\n  s.previousValue = previousValue;\n  s.currentValue = currentValue;\n  return s;\n}\n\n/* tslint:disable:requireParameterType */\nexport class ChangeDetectionUtil {\n  static uninitialized: Object = CONST_EXPR<Object>(new Object());\n\n  static arrayFn0(): any[] { return []; }\n  static arrayFn1(a1): any[] { return [a1]; }\n  static arrayFn2(a1, a2): any[] { return [a1, a2]; }\n  static arrayFn3(a1, a2, a3): any[] { return [a1, a2, a3]; }\n  static arrayFn4(a1, a2, a3, a4): any[] { return [a1, a2, a3, a4]; }\n  static arrayFn5(a1, a2, a3, a4, a5): any[] { return [a1, a2, a3, a4, a5]; }\n  static arrayFn6(a1, a2, a3, a4, a5, a6): any[] { return [a1, a2, a3, a4, a5, a6]; }\n  static arrayFn7(a1, a2, a3, a4, a5, a6, a7): any[] { return [a1, a2, a3, a4, a5, a6, a7]; }\n  static arrayFn8(a1, a2, a3, a4, a5, a6, a7, a8): any[] {\n    return [a1, a2, a3, a4, a5, a6, a7, a8];\n  }\n  static arrayFn9(a1, a2, a3, a4, a5, a6, a7, a8, a9): any[] {\n    return [a1, a2, a3, a4, a5, a6, a7, a8, a9];\n  }\n\n  static operation_negate(value): any { return !value; }\n  static operation_add(left, right): any { return left + right; }\n  static operation_subtract(left, right): any { return left - right; }\n  static operation_multiply(left, right): any { return left * right; }\n  static operation_divide(left, right): any { return left / right; }\n  static operation_remainder(left, right): any { return left % right; }\n  static operation_equals(left, right): any { return left == right; }\n  static operation_not_equals(left, right): any { return left != right; }\n  static operation_identical(left, right): any { return left === right; }\n  static operation_not_identical(left, right): any { return left !== right; }\n  static operation_less_then(left, right): any { return left < right; }\n  static operation_greater_then(left, right): any { return left > right; }\n  static operation_less_or_equals_then(left, right): any { return left <= right; }\n  static operation_greater_or_equals_then(left, right): any { return left >= right; }\n  static cond(cond, trueVal, falseVal): any { return cond ? trueVal : falseVal; }\n\n  static mapFn(keys: any[]): any {\n    function buildMap(values): {[k: /*any*/ string]: any} {\n      var res = StringMapWrapper.create();\n      for (var i = 0; i < keys.length; ++i) {\n        StringMapWrapper.set(res, keys[i], values[i]);\n      }\n      return res;\n    }\n\n    switch (keys.length) {\n      case 0:\n        return () => [];\n      case 1:\n        return (a1) => buildMap([a1]);\n      case 2:\n        return (a1, a2) => buildMap([a1, a2]);\n      case 3:\n        return (a1, a2, a3) => buildMap([a1, a2, a3]);\n      case 4:\n        return (a1, a2, a3, a4) => buildMap([a1, a2, a3, a4]);\n      case 5:\n        return (a1, a2, a3, a4, a5) => buildMap([a1, a2, a3, a4, a5]);\n      case 6:\n        return (a1, a2, a3, a4, a5, a6) => buildMap([a1, a2, a3, a4, a5, a6]);\n      case 7:\n        return (a1, a2, a3, a4, a5, a6, a7) => buildMap([a1, a2, a3, a4, a5, a6, a7]);\n      case 8:\n        return (a1, a2, a3, a4, a5, a6, a7, a8) => buildMap([a1, a2, a3, a4, a5, a6, a7, a8]);\n      case 9:\n        return (a1, a2, a3, a4, a5, a6, a7, a8, a9) =>\n                   buildMap([a1, a2, a3, a4, a5, a6, a7, a8, a9]);\n      default:\n        throw new BaseException(`Does not support literal maps with more than 9 elements`);\n    }\n  }\n\n  static keyedAccess(obj, args): any { return obj[args[0]]; }\n\n  static unwrapValue(value: any): any {\n    if (value instanceof WrappedValue) {\n      return value.wrapped;\n    } else {\n      return value;\n    }\n  }\n\n  static changeDetectionMode(strategy: ChangeDetectionStrategy): ChangeDetectionStrategy {\n    return isDefaultChangeDetectionStrategy(strategy) ? ChangeDetectionStrategy.CheckAlways :\n                                                        ChangeDetectionStrategy.CheckOnce;\n  }\n\n  static simpleChange(previousValue: any, currentValue: any): SimpleChange {\n    return _simpleChange(previousValue, currentValue);\n  }\n\n  static isValueBlank(value: any): boolean { return isBlank(value); }\n\n  static s(value: any): string { return isPresent(value) ? `${value}` : ''; }\n\n  static protoByIndex(protos: ProtoRecord[], selfIndex: number): ProtoRecord {\n    return selfIndex < 1 ?\n               null :\n               protos[selfIndex - 1];  // self index is shifted by one because of context\n  }\n\n  static callPipeOnDestroy(selectedPipe: SelectedPipe): void {\n    if (implementsOnDestroy(selectedPipe.pipe)) {\n      (<any>selectedPipe.pipe).ngOnDestroy();\n    }\n  }\n\n  static bindingTarget(mode: string, elementIndex: number, name: string, unit: string,\n                       debug: string): BindingTarget {\n    return new BindingTarget(mode, elementIndex, name, unit, debug);\n  }\n\n  static directiveIndex(elementIndex: number, directiveIndex: number): DirectiveIndex {\n    return new DirectiveIndex(elementIndex, directiveIndex);\n  }\n\n  static looseNotIdentical(a: any, b: any): boolean { return !looseIdentical(a, b); }\n\n  static devModeEqual(a: any, b: any): boolean {\n    if (isListLikeIterable(a) && isListLikeIterable(b)) {\n      return areIterablesEqual(a, b, ChangeDetectionUtil.devModeEqual);\n\n    } else if (!isListLikeIterable(a) && !isPrimitive(a) && !isListLikeIterable(b) &&\n               !isPrimitive(b)) {\n      return true;\n\n    } else {\n      return looseIdentical(a, b);\n    }\n  }\n}\n"]}