@angular/core
Version:
Angular - the core framework
219 lines • 27.4 kB
JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import * as tslib_1 from "tslib";
import { asPureExpressionData } from './types';
import { calcBindingFlags, checkAndUpdateBinding } from './util';
export function purePipeDef(checkIndex, argCount) {
// argCount + 1 to include the pipe as first arg
return _pureExpressionDef(128 /* TypePurePipe */, checkIndex, new Array(argCount + 1));
}
export function pureArrayDef(checkIndex, argCount) {
return _pureExpressionDef(32 /* TypePureArray */, checkIndex, new Array(argCount));
}
export function pureObjectDef(checkIndex, propToIndex) {
var keys = Object.keys(propToIndex);
var nbKeys = keys.length;
var propertyNames = new Array(nbKeys);
for (var i = 0; i < nbKeys; i++) {
var key = keys[i];
var index = propToIndex[key];
propertyNames[index] = key;
}
return _pureExpressionDef(64 /* TypePureObject */, checkIndex, propertyNames);
}
function _pureExpressionDef(flags, checkIndex, propertyNames) {
var bindings = new Array(propertyNames.length);
for (var i = 0; i < propertyNames.length; i++) {
var prop = propertyNames[i];
bindings[i] = {
flags: 8 /* TypeProperty */,
name: prop,
ns: null,
nonMinifiedName: prop,
securityContext: null,
suffix: null
};
}
return {
// will bet set by the view definition
nodeIndex: -1,
parent: null,
renderParent: null,
bindingIndex: -1,
outputIndex: -1,
// regular values
checkIndex: checkIndex,
flags: flags,
childFlags: 0,
directChildFlags: 0,
childMatchedQueries: 0,
matchedQueries: {},
matchedQueryIds: 0,
references: {},
ngContentIndex: -1,
childCount: 0, bindings: bindings,
bindingFlags: calcBindingFlags(bindings),
outputs: [],
element: null,
provider: null,
text: null,
query: null,
ngContent: null
};
}
export function createPureExpression(view, def) {
return { value: undefined };
}
export function checkAndUpdatePureExpressionInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {
var bindings = def.bindings;
var changed = false;
var bindLen = bindings.length;
if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0))
changed = true;
if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1))
changed = true;
if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2))
changed = true;
if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3))
changed = true;
if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4))
changed = true;
if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5))
changed = true;
if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6))
changed = true;
if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7))
changed = true;
if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8))
changed = true;
if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9))
changed = true;
if (changed) {
var data = asPureExpressionData(view, def.nodeIndex);
var value = void 0;
switch (def.flags & 201347067 /* Types */) {
case 32 /* TypePureArray */:
value = new Array(bindings.length);
if (bindLen > 0)
value[0] = v0;
if (bindLen > 1)
value[1] = v1;
if (bindLen > 2)
value[2] = v2;
if (bindLen > 3)
value[3] = v3;
if (bindLen > 4)
value[4] = v4;
if (bindLen > 5)
value[5] = v5;
if (bindLen > 6)
value[6] = v6;
if (bindLen > 7)
value[7] = v7;
if (bindLen > 8)
value[8] = v8;
if (bindLen > 9)
value[9] = v9;
break;
case 64 /* TypePureObject */:
value = {};
if (bindLen > 0)
value[bindings[0].name] = v0;
if (bindLen > 1)
value[bindings[1].name] = v1;
if (bindLen > 2)
value[bindings[2].name] = v2;
if (bindLen > 3)
value[bindings[3].name] = v3;
if (bindLen > 4)
value[bindings[4].name] = v4;
if (bindLen > 5)
value[bindings[5].name] = v5;
if (bindLen > 6)
value[bindings[6].name] = v6;
if (bindLen > 7)
value[bindings[7].name] = v7;
if (bindLen > 8)
value[bindings[8].name] = v8;
if (bindLen > 9)
value[bindings[9].name] = v9;
break;
case 128 /* TypePurePipe */:
var pipe = v0;
switch (bindLen) {
case 1:
value = pipe.transform(v0);
break;
case 2:
value = pipe.transform(v1);
break;
case 3:
value = pipe.transform(v1, v2);
break;
case 4:
value = pipe.transform(v1, v2, v3);
break;
case 5:
value = pipe.transform(v1, v2, v3, v4);
break;
case 6:
value = pipe.transform(v1, v2, v3, v4, v5);
break;
case 7:
value = pipe.transform(v1, v2, v3, v4, v5, v6);
break;
case 8:
value = pipe.transform(v1, v2, v3, v4, v5, v6, v7);
break;
case 9:
value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8);
break;
case 10:
value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8, v9);
break;
}
break;
}
data.value = value;
}
return changed;
}
export function checkAndUpdatePureExpressionDynamic(view, def, values) {
var bindings = def.bindings;
var changed = false;
for (var i = 0; i < values.length; i++) {
// Note: We need to loop over all values, so that
// the old values are updates as well!
if (checkAndUpdateBinding(view, def, i, values[i])) {
changed = true;
}
}
if (changed) {
var data = asPureExpressionData(view, def.nodeIndex);
var value = void 0;
switch (def.flags & 201347067 /* Types */) {
case 32 /* TypePureArray */:
value = values;
break;
case 64 /* TypePureObject */:
value = {};
for (var i = 0; i < values.length; i++) {
value[bindings[i].name] = values[i];
}
break;
case 128 /* TypePurePipe */:
var pipe = values[0];
var params = values.slice(1);
value = pipe.transform.apply(pipe, tslib_1.__spread(params));
break;
}
data.value = value;
}
return changed;
}
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* @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {BindingDef, BindingFlags, NodeDef, NodeFlags, PureExpressionData, ViewData, asPureExpressionData} from './types';\nimport {calcBindingFlags, checkAndUpdateBinding} from './util';\n\nexport function purePipeDef(checkIndex: number, argCount: number): NodeDef {\n  // argCount + 1 to include the pipe as first arg\n  return _pureExpressionDef(NodeFlags.TypePurePipe, checkIndex, new Array(argCount + 1));\n}\n\nexport function pureArrayDef(checkIndex: number, argCount: number): NodeDef {\n  return _pureExpressionDef(NodeFlags.TypePureArray, checkIndex, new Array(argCount));\n}\n\nexport function pureObjectDef(checkIndex: number, propToIndex: {[p: string]: number}): NodeDef {\n  const keys = Object.keys(propToIndex);\n  const nbKeys = keys.length;\n  const propertyNames = new Array(nbKeys);\n  for (let i = 0; i < nbKeys; i++) {\n    const key = keys[i];\n    const index = propToIndex[key];\n    propertyNames[index] = key;\n  }\n\n  return _pureExpressionDef(NodeFlags.TypePureObject, checkIndex, propertyNames);\n}\n\nfunction _pureExpressionDef(\n    flags: NodeFlags, checkIndex: number, propertyNames: string[]): NodeDef {\n  const bindings: BindingDef[] = new Array(propertyNames.length);\n  for (let i = 0; i < propertyNames.length; i++) {\n    const prop = propertyNames[i];\n    bindings[i] = {\n      flags: BindingFlags.TypeProperty,\n      name: prop,\n      ns: null,\n      nonMinifiedName: prop,\n      securityContext: null,\n      suffix: null\n    };\n  }\n  return {\n    // will bet set by the view definition\n    nodeIndex: -1,\n    parent: null,\n    renderParent: null,\n    bindingIndex: -1,\n    outputIndex: -1,\n    // regular values\n    checkIndex,\n    flags,\n    childFlags: 0,\n    directChildFlags: 0,\n    childMatchedQueries: 0,\n    matchedQueries: {},\n    matchedQueryIds: 0,\n    references: {},\n    ngContentIndex: -1,\n    childCount: 0, bindings,\n    bindingFlags: calcBindingFlags(bindings),\n    outputs: [],\n    element: null,\n    provider: null,\n    text: null,\n    query: null,\n    ngContent: null\n  };\n}\n\nexport function createPureExpression(view: ViewData, def: NodeDef): PureExpressionData {\n  return {value: undefined};\n}\n\nexport function checkAndUpdatePureExpressionInline(\n    view: ViewData, def: NodeDef, v0: any, v1: any, v2: any, v3: any, v4: any, v5: any, v6: any,\n    v7: any, v8: any, v9: any): boolean {\n  const bindings = def.bindings;\n  let changed = false;\n  const bindLen = bindings.length;\n  if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0)) changed = true;\n  if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1)) changed = true;\n  if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2)) changed = true;\n  if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3)) changed = true;\n  if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4)) changed = true;\n  if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5)) changed = true;\n  if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6)) changed = true;\n  if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7)) changed = true;\n  if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8)) changed = true;\n  if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9)) changed = true;\n\n  if (changed) {\n    const data = asPureExpressionData(view, def.nodeIndex);\n    let value: any;\n    switch (def.flags & NodeFlags.Types) {\n      case NodeFlags.TypePureArray:\n        value = new Array(bindings.length);\n        if (bindLen > 0) value[0] = v0;\n        if (bindLen > 1) value[1] = v1;\n        if (bindLen > 2) value[2] = v2;\n        if (bindLen > 3) value[3] = v3;\n        if (bindLen > 4) value[4] = v4;\n        if (bindLen > 5) value[5] = v5;\n        if (bindLen > 6) value[6] = v6;\n        if (bindLen > 7) value[7] = v7;\n        if (bindLen > 8) value[8] = v8;\n        if (bindLen > 9) value[9] = v9;\n        break;\n      case NodeFlags.TypePureObject:\n        value = {};\n        if (bindLen > 0) value[bindings[0].name !] = v0;\n        if (bindLen > 1) value[bindings[1].name !] = v1;\n        if (bindLen > 2) value[bindings[2].name !] = v2;\n        if (bindLen > 3) value[bindings[3].name !] = v3;\n        if (bindLen > 4) value[bindings[4].name !] = v4;\n        if (bindLen > 5) value[bindings[5].name !] = v5;\n        if (bindLen > 6) value[bindings[6].name !] = v6;\n        if (bindLen > 7) value[bindings[7].name !] = v7;\n        if (bindLen > 8) value[bindings[8].name !] = v8;\n        if (bindLen > 9) value[bindings[9].name !] = v9;\n        break;\n      case NodeFlags.TypePurePipe:\n        const pipe = v0;\n        switch (bindLen) {\n          case 1:\n            value = pipe.transform(v0);\n            break;\n          case 2:\n            value = pipe.transform(v1);\n            break;\n          case 3:\n            value = pipe.transform(v1, v2);\n            break;\n          case 4:\n            value = pipe.transform(v1, v2, v3);\n            break;\n          case 5:\n            value = pipe.transform(v1, v2, v3, v4);\n            break;\n          case 6:\n            value = pipe.transform(v1, v2, v3, v4, v5);\n            break;\n          case 7:\n            value = pipe.transform(v1, v2, v3, v4, v5, v6);\n            break;\n          case 8:\n            value = pipe.transform(v1, v2, v3, v4, v5, v6, v7);\n            break;\n          case 9:\n            value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8);\n            break;\n          case 10:\n            value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8, v9);\n            break;\n        }\n        break;\n    }\n    data.value = value;\n  }\n  return changed;\n}\n\nexport function checkAndUpdatePureExpressionDynamic(\n    view: ViewData, def: NodeDef, values: any[]): boolean {\n  const bindings = def.bindings;\n  let changed = false;\n  for (let i = 0; i < values.length; i++) {\n    // Note: We need to loop over all values, so that\n    // the old values are updates as well!\n    if (checkAndUpdateBinding(view, def, i, values[i])) {\n      changed = true;\n    }\n  }\n  if (changed) {\n    const data = asPureExpressionData(view, def.nodeIndex);\n    let value: any;\n    switch (def.flags & NodeFlags.Types) {\n      case NodeFlags.TypePureArray:\n        value = values;\n        break;\n      case NodeFlags.TypePureObject:\n        value = {};\n        for (let i = 0; i < values.length; i++) {\n          value[bindings[i].name !] = values[i];\n        }\n        break;\n      case NodeFlags.TypePurePipe:\n        const pipe = values[0];\n        const params = values.slice(1);\n        value = (<any>pipe.transform)(...params);\n        break;\n    }\n    data.value = value;\n  }\n  return changed;\n}\n"]}