本文整理汇总了TypeScript中angular2/src/facade/collection.ListWrapper.reduce方法的典型用法代码示例。如果您正苦于以下问题：TypeScript ListWrapper.reduce方法的具体用法？TypeScript ListWrapper.reduce怎么用？TypeScript ListWrapper.reduce使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类angular2/src/facade/collection.ListWrapper的用法示例。
在下文中一共展示了ListWrapper.reduce方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: _addFrameMetrics
_addFrameMetrics(result: StringMap<string, any>, frameTimes: any[]) {
result['frameTime.mean'] =
ListWrapper.reduce(frameTimes, (a, b) => a + b, 0) / frameTimes.length;
var firstFrame = ListWrapper.get(frameTimes, 0);
result['frameTime.worst'] = ListWrapper.reduce(frameTimes, (a, b) => a > b ? a : b, firstFrame);
result['frameTime.best'] = ListWrapper.reduce(frameTimes, (a, b) => a < b ? a : b, firstFrame);
result['frameTime.smooth'] =
ListWrapper.filter(frameTimes, (a) => a < _FRAME_TIME_SMOOTH_THRESHOLD).length /
frameTimes.length;
}示例2: function
return function(c) {
var res = ListWrapper.reduce(validators, (res, validator) => {
var errors = validator(c);
return isPresent(errors) ? StringMapWrapper.merge(res, errors) : res;
}, {});
return StringMapWrapper.isEmpty(res) ? null : res;
};示例3: addPipes
addPipes(bindingAst: ASTWithSource, pipes: List<string>): ASTWithSource {
if (ListWrapper.isEmpty(pipes)) return bindingAst;
var res: AST = ListWrapper.reduce(
pipes, (result, currentPipeName) => new Pipe(result, currentPipeName, [], false),
bindingAst.ast);
return new ASTWithSource(res, bindingAst.source, bindingAst.location);
}示例4: _aggregateEvents
//.........这里部分代码省略.........
name = microIterationsMatch[1];
microIterations = NumberWrapper.parseInt(microIterationsMatch[2], 10);
}
if (StringWrapper.equals(ph, 'b') && StringWrapper.equals(name, markName)) {
markStartEvent = event;
} else if (StringWrapper.equals(ph, 'e') && StringWrapper.equals(name, markName)) {
markEndEvent = event;
}
if (isPresent(markStartEvent) && isBlank(markEndEvent) &&
event['pid'] === markStartEvent['pid']) {
if (StringWrapper.equals(ph, 'b') && StringWrapper.equals(name, _MARK_NAME_FRAME_CAPUTRE)) {
if (isPresent(frameCaptureStartEvent)) {
throw new BaseException('can capture frames only once per benchmark run');
}
if (!this._captureFrames) {
throw new BaseException(
'found start event for frame capture, but frame capture was not requested in benchpress')
}
frameCaptureStartEvent = event;
} else if (StringWrapper.equals(ph, 'e') &&
StringWrapper.equals(name, _MARK_NAME_FRAME_CAPUTRE)) {
if (isBlank(frameCaptureStartEvent)) {
throw new BaseException('missing start event for frame capture');
}
frameCaptureEndEvent = event;
}
if (StringWrapper.equals(ph, 'I') || StringWrapper.equals(ph, 'i')) {
if (isPresent(frameCaptureStartEvent) && isBlank(frameCaptureEndEvent) &&
StringWrapper.equals(name, 'frame')) {
ListWrapper.push(frameTimestamps, event['ts']);
if (frameTimestamps.length >= 2) {
ListWrapper.push(frameTimes, frameTimestamps[frameTimestamps.length - 1] -
frameTimestamps[frameTimestamps.length - 2]);
}
}
}
if (StringWrapper.equals(ph, 'B') || StringWrapper.equals(ph, 'b')) {
if (isBlank(intervalStarts[name])) {
intervalStartCount[name] = 1;
intervalStarts[name] = event;
} else {
intervalStartCount[name]++;
}
} else if ((StringWrapper.equals(ph, 'E') || StringWrapper.equals(ph, 'e')) &&
isPresent(intervalStarts[name])) {
intervalStartCount[name]--;
if (intervalStartCount[name] === 0) {
var startEvent = intervalStarts[name];
var duration = (event['ts'] - startEvent['ts']);
intervalStarts[name] = null;
if (StringWrapper.equals(name, 'gc')) {
result['gcTime'] += duration;
var amount =
(startEvent['args']['usedHeapSize'] - event['args']['usedHeapSize']) / 1000;
result['gcAmount'] += amount;
var majorGc = event['args']['majorGc'];
if (isPresent(majorGc) && majorGc) {
result['majorGcTime'] += duration;
}
if (isPresent(intervalStarts['script'])) {
gcTimeInScript += duration;
}
} else if (StringWrapper.equals(name, 'render')) {
result['renderTime'] += duration;
if (isPresent(intervalStarts['script'])) {
renderTimeInScript += duration;
}
} else if (StringWrapper.equals(name, 'script')) {
result['scriptTime'] += duration;
} else if (isPresent(this._microMetrics[name])) {
result[name] += duration / microIterations;
}
}
}
}
});
if (!isPresent(markStartEvent) || !isPresent(markEndEvent)) {
// not all events have been received, no further processing for now
return null;
}
if (isPresent(markEndEvent) && isPresent(frameCaptureStartEvent) &&
isBlank(frameCaptureEndEvent)) {
throw new BaseException('missing end event for frame capture');
}
if (this._captureFrames && isBlank(frameCaptureStartEvent)) {
throw new BaseException(
'frame capture requested in benchpress, but no start event was found');
}
if (frameTimes.length > 0) {
result['meanFrameTime'] =
ListWrapper.reduce(frameTimes, (a, b) => a + b, 0) / frameTimes.length;
}
result['pureScriptTime'] = result['scriptTime'] - gcTimeInScript - renderTimeInScript;
return result;
}