refactor: move angular source to /packages rather than modules/@angular
This commit is contained in:
Jason Aden
189
packages/core/src/view/pure_expression.ts
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189
packages/core/src/view/pure_expression.ts
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {BindingDef, BindingType, DepDef, DepFlags, NodeData, NodeDef, NodeFlags, ProviderData, PureExpressionData, Services, ViewData, asPureExpressionData} from './types';
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import {checkAndUpdateBinding, tokenKey} from './util';
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export function purePipeDef(argCount: number): NodeDef {
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// argCount + 1 to include the pipe as first arg
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return _pureExpressionDef(NodeFlags.TypePurePipe, new Array(argCount + 1));
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}
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export function pureArrayDef(argCount: number): NodeDef {
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return _pureExpressionDef(NodeFlags.TypePureArray, new Array(argCount));
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}
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export function pureObjectDef(propertyNames: string[]): NodeDef {
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return _pureExpressionDef(NodeFlags.TypePureObject, propertyNames);
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}
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function _pureExpressionDef(flags: NodeFlags, propertyNames: string[]): NodeDef {
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const bindings: BindingDef[] = new Array(propertyNames.length);
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for (let i = 0; i < propertyNames.length; i++) {
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const prop = propertyNames[i];
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bindings[i] = {
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type: BindingType.PureExpressionProperty,
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name: prop,
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ns: undefined,
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nonMinifiedName: prop,
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securityContext: undefined,
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suffix: undefined
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};
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}
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return {
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// will bet set by the view definition
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index: undefined,
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parent: undefined,
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renderParent: undefined,
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bindingIndex: undefined,
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outputIndex: undefined,
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// regular values
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flags,
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childFlags: 0,
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directChildFlags: 0,
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childMatchedQueries: 0,
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matchedQueries: {},
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matchedQueryIds: 0,
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references: {},
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ngContentIndex: undefined,
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childCount: 0, bindings,
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outputs: [],
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element: undefined,
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provider: undefined,
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text: undefined,
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query: undefined,
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ngContent: undefined
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};
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}
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export function createPureExpression(view: ViewData, def: NodeDef): PureExpressionData {
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return {value: undefined};
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}
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export function checkAndUpdatePureExpressionInline(
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view: ViewData, def: NodeDef, v0: any, v1: any, v2: any, v3: any, v4: any, v5: any, v6: any,
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v7: any, v8: any, v9: any): boolean {
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const bindings = def.bindings;
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let changed = false;
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const bindLen = bindings.length;
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if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0)) changed = true;
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if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1)) changed = true;
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if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2)) changed = true;
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if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3)) changed = true;
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if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4)) changed = true;
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if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5)) changed = true;
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if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6)) changed = true;
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if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7)) changed = true;
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if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8)) changed = true;
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if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9)) changed = true;
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if (changed) {
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const data = asPureExpressionData(view, def.index);
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let value: any;
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switch (def.flags & NodeFlags.Types) {
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case NodeFlags.TypePureArray:
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value = new Array(bindings.length);
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if (bindLen > 0) value[0] = v0;
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if (bindLen > 1) value[1] = v1;
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if (bindLen > 2) value[2] = v2;
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if (bindLen > 3) value[3] = v3;
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if (bindLen > 4) value[4] = v4;
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if (bindLen > 5) value[5] = v5;
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if (bindLen > 6) value[6] = v6;
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if (bindLen > 7) value[7] = v7;
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if (bindLen > 8) value[8] = v8;
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if (bindLen > 9) value[9] = v9;
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break;
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case NodeFlags.TypePureObject:
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value = {};
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if (bindLen > 0) value[bindings[0].name] = v0;
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if (bindLen > 1) value[bindings[1].name] = v1;
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if (bindLen > 2) value[bindings[2].name] = v2;
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if (bindLen > 3) value[bindings[3].name] = v3;
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if (bindLen > 4) value[bindings[4].name] = v4;
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if (bindLen > 5) value[bindings[5].name] = v5;
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if (bindLen > 6) value[bindings[6].name] = v6;
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if (bindLen > 7) value[bindings[7].name] = v7;
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if (bindLen > 8) value[bindings[8].name] = v8;
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if (bindLen > 9) value[bindings[9].name] = v9;
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break;
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case NodeFlags.TypePurePipe:
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const pipe = v0;
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switch (bindLen) {
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case 1:
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value = pipe.transform(v0);
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break;
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case 2:
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value = pipe.transform(v1);
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break;
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case 3:
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value = pipe.transform(v1, v2);
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break;
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case 4:
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value = pipe.transform(v1, v2, v3);
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break;
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case 5:
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value = pipe.transform(v1, v2, v3, v4);
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break;
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case 6:
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value = pipe.transform(v1, v2, v3, v4, v5);
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break;
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case 7:
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value = pipe.transform(v1, v2, v3, v4, v5, v6);
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break;
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case 8:
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value = pipe.transform(v1, v2, v3, v4, v5, v6, v7);
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break;
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case 9:
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value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8);
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break;
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case 10:
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value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8, v9);
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break;
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}
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break;
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}
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data.value = value;
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}
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return changed;
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}
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export function checkAndUpdatePureExpressionDynamic(
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view: ViewData, def: NodeDef, values: any[]): boolean {
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const bindings = def.bindings;
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let changed = false;
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for (let i = 0; i < values.length; i++) {
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// Note: We need to loop over all values, so that
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// the old values are updates as well!
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if (checkAndUpdateBinding(view, def, i, values[i])) {
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changed = true;
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}
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}
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if (changed) {
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const data = asPureExpressionData(view, def.index);
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let value: any;
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switch (def.flags & NodeFlags.Types) {
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case NodeFlags.TypePureArray:
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value = values;
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break;
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case NodeFlags.TypePureObject:
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value = {};
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for (let i = 0; i < values.length; i++) {
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value[bindings[i].name] = values[i];
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}
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break;
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case NodeFlags.TypePurePipe:
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const pipe = values[0];
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const params = values.slice(1);
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value = (<any>pipe.transform)(...params);
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break;
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}
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data.value = value;
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}
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return changed;
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}
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