chore(packaging): move files to match target file structure
This commit is contained in:
Yegor Jbanov
225
modules/angular2/src/change_detection/change_detection_util.js
vendored
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225
modules/angular2/src/change_detection/change_detection_util.js
vendored
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@ -0,0 +1,225 @@
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import {isPresent, isBlank, BaseException, Type} from 'facade/src/lang';
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import {List, ListWrapper, MapWrapper, StringMapWrapper} from 'facade/src/collection';
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import {ContextWithVariableBindings} from './parser/context_with_variable_bindings';
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import {ArrayChanges} from './array_changes';
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import {KeyValueChanges} from './keyvalue_changes';
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import {ProtoRecord} from './proto_change_detector';
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import {ExpressionChangedAfterItHasBeenChecked} from './exceptions';
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import {ChangeRecord, ChangeDetector, CHECK_ALWAYS, CHECK_ONCE, CHECKED, DETACHED} from './interfaces';
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export var uninitialized = new Object();
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export class SimpleChange {
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previousValue:any;
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currentValue:any;
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constructor(previousValue:any, currentValue:any) {
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this.previousValue = previousValue;
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this.currentValue = currentValue;
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}
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}
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var _simpleChangesIndex = 0;
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var _simpleChanges = [
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null),
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new SimpleChange(null, null)
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]
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var _changeRecordsIndex = 0;
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var _changeRecords = [
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null),
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new ChangeRecord(null, null)
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]
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function _simpleChange(previousValue, currentValue) {
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var index = _simpleChangesIndex++ % 20;
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var s = _simpleChanges[index];
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s.previousValue = previousValue;
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s.currentValue = currentValue;
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return s;
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}
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function _changeRecord(bindingMemento, change) {
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var index = _changeRecordsIndex++ % 20;
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var s = _changeRecords[index];
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s.bindingMemento = bindingMemento;
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s.change = change;
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return s;
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}
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var _singleElementList = [null];
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function _isBlank(val):boolean {
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return isBlank(val) || val === uninitialized;
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}
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export class ChangeDetectionUtil {
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static unitialized() {
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return uninitialized;
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}
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static arrayFn0() { return []; }
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static arrayFn1(a1) { return [a1]; }
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static arrayFn2(a1, a2) { return [a1, a2]; }
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static arrayFn3(a1, a2, a3) { return [a1, a2, a3]; }
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static arrayFn4(a1, a2, a3, a4) { return [a1, a2, a3, a4]; }
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static arrayFn5(a1, a2, a3, a4, a5) { return [a1, a2, a3, a4, a5]; }
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static arrayFn6(a1, a2, a3, a4, a5, a6) { return [a1, a2, a3, a4, a5, a6]; }
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static arrayFn7(a1, a2, a3, a4, a5, a6, a7) { return [a1, a2, a3, a4, a5, a6, a7]; }
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static arrayFn8(a1, a2, a3, a4, a5, a6, a7, a8) { return [a1, a2, a3, a4, a5, a6, a7, a8]; }
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static arrayFn9(a1, a2, a3, a4, a5, a6, a7, a8, a9) { return [a1, a2, a3, a4, a5, a6, a7, a8, a9]; }
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static operation_negate(value) {return !value;}
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static operation_add(left, right) {return left + right;}
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static operation_subtract(left, right) {return left - right;}
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static operation_multiply(left, right) {return left * right;}
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static operation_divide(left, right) {return left / right;}
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static operation_remainder(left, right) {return left % right;}
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static operation_equals(left, right) {return left == right;}
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static operation_not_equals(left, right) {return left != right;}
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static operation_less_then(left, right) {return left < right;}
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static operation_greater_then(left, right) {return left > right;}
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static operation_less_or_equals_then(left, right) {return left <= right;}
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static operation_greater_or_equals_then(left, right) {return left >= right;}
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static operation_logical_and(left, right) {return left && right;}
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static operation_logical_or(left, right) {return left || right;}
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static cond(cond, trueVal, falseVal) {return cond ? trueVal : falseVal;}
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static mapFn(keys:List) {
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function buildMap(values) {
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var res = StringMapWrapper.create();
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for(var i = 0; i < keys.length; ++i) {
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StringMapWrapper.set(res, keys[i], values[i]);
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}
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return res;
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}
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switch (keys.length) {
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case 0: return () => [];
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case 1: return (a1) => buildMap([a1]);
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case 2: return (a1, a2) => buildMap([a1, a2]);
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case 3: return (a1, a2, a3) => buildMap([a1, a2, a3]);
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case 4: return (a1, a2, a3, a4) => buildMap([a1, a2, a3, a4]);
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case 5: return (a1, a2, a3, a4, a5) => buildMap([a1, a2, a3, a4, a5]);
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case 6: return (a1, a2, a3, a4, a5, a6) => buildMap([a1, a2, a3, a4, a5, a6]);
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case 7: return (a1, a2, a3, a4, a5, a6, a7) => buildMap([a1, a2, a3, a4, a5, a6, a7]);
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case 8: return (a1, a2, a3, a4, a5, a6, a7, a8) => buildMap([a1, a2, a3, a4, a5, a6, a7, a8]);
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case 9: return (a1, a2, a3, a4, a5, a6, a7, a8, a9) => buildMap([a1, a2, a3, a4, a5, a6, a7, a8, a9]);
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default: throw new BaseException(`Does not support literal maps with more than 9 elements`);
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}
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}
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static keyedAccess(obj, args) {
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return obj[args[0]];
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}
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static structuralCheck(self, context) {
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if (_isBlank(self) && _isBlank(context)) {
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return null;
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} else if (_isBlank(context)) {
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return new SimpleChange(null, null);
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}
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if (_isBlank(self)) {
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if (ArrayChanges.supports(context)) {
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self = new ArrayChanges();
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} else if (KeyValueChanges.supports(context)) {
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self = new KeyValueChanges();
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}
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}
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if (isBlank(self) || !self.supportsObj(context)) {
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throw new BaseException(`Unsupported type (${context})`);
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}
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if (self.check(context)) {
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return new SimpleChange(null, self); // TODO: don't wrap and return self instead
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} else {
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return null;
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}
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}
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static findContext(name:string, c){
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while (c instanceof ContextWithVariableBindings) {
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if (c.hasBinding(name)) {
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return c;
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}
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c = c.parent;
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}
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return c;
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}
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static throwOnChange(proto:ProtoRecord, change) {
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throw new ExpressionChangedAfterItHasBeenChecked(proto, change);
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}
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static simpleChange(previousValue:any, currentValue:any):SimpleChange {
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return _simpleChange(previousValue, currentValue);
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}
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static changeRecord(memento:any, change:any):ChangeRecord {
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return _changeRecord(memento, change);
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}
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static simpleChangeRecord(memento:any, previousValue:any, currentValue:any):ChangeRecord {
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return _changeRecord(memento, _simpleChange(previousValue, currentValue));
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}
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static addRecord(updatedRecords:List, changeRecord:ChangeRecord):List {
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if (isBlank(updatedRecords)) {
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updatedRecords = _singleElementList;
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updatedRecords[0] = changeRecord;
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} else if (updatedRecords === _singleElementList) {
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updatedRecords = [_singleElementList[0], changeRecord];
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} else {
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ListWrapper.push(updatedRecords, changeRecord);
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}
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return updatedRecords;
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}
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static markPathToRootAsCheckOnce(cd:ChangeDetector) {
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var c = cd;
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while(isPresent(c) && c.mode != DETACHED) {
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if (c.mode === CHECKED) c.mode = CHECK_ONCE;
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c = c.parent;
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}
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}
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}
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