1 | /**
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2 | * @license
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3 | * Copyright Google Inc. All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | (function (factory) {
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9 | if (typeof module === "object" && typeof module.exports === "object") {
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10 | var v = factory(require, exports);
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11 | if (v !== undefined) module.exports = v;
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12 | }
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13 | else if (typeof define === "function" && define.amd) {
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14 | define("@angular/compiler/src/injectable_compiler", ["require", "exports", "@angular/compiler/src/compile_metadata", "@angular/compiler/src/identifiers", "@angular/compiler/src/output/output_ast", "@angular/compiler/src/output/value_util"], factory);
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15 | }
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16 | })(function (require, exports) {
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17 | ;
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18 | Object.defineProperty(exports, "__esModule", { value: true });
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19 | var compile_metadata_1 = require("@angular/compiler/src/compile_metadata");
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20 | var identifiers_1 = require("@angular/compiler/src/identifiers");
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21 | var o = require("@angular/compiler/src/output/output_ast");
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22 | var value_util_1 = require("@angular/compiler/src/output/value_util");
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23 | function mapEntry(key, value) {
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24 | return { key: key, value: value, quoted: false };
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25 | }
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26 | var InjectableCompiler = /** @class */ (function () {
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27 | function InjectableCompiler(reflector, alwaysGenerateDef) {
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28 | this.reflector = reflector;
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29 | this.alwaysGenerateDef = alwaysGenerateDef;
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30 | this.tokenInjector = reflector.resolveExternalReference(identifiers_1.Identifiers.Injector);
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31 | }
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32 | InjectableCompiler.prototype.depsArray = function (deps, ctx) {
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33 | var _this = this;
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34 | return deps.map(function (dep) {
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35 | var token = dep;
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36 | var args = [token];
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37 | var flags = 0 /* Default */;
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38 | if (Array.isArray(dep)) {
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39 | for (var i = 0; i < dep.length; i++) {
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40 | var v = dep[i];
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41 | if (v) {
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42 | if (v.ngMetadataName === 'Optional') {
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43 | flags |= 8 /* Optional */;
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44 | }
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45 | else if (v.ngMetadataName === 'SkipSelf') {
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46 | flags |= 4 /* SkipSelf */;
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47 | }
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48 | else if (v.ngMetadataName === 'Self') {
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49 | flags |= 2 /* Self */;
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50 | }
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51 | else if (v.ngMetadataName === 'Inject') {
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52 | token = v.token;
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53 | }
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54 | else {
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55 | token = v;
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56 | }
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57 | }
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58 | }
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59 | }
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60 | var tokenExpr;
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61 | if (typeof token === 'string') {
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62 | tokenExpr = o.literal(token);
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63 | }
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64 | else if (token === _this.tokenInjector) {
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65 | tokenExpr = o.importExpr(identifiers_1.Identifiers.INJECTOR);
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66 | }
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67 | else {
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68 | tokenExpr = ctx.importExpr(token);
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69 | }
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70 | if (flags !== 0 /* Default */) {
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71 | args = [tokenExpr, o.literal(flags)];
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72 | }
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73 | else {
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74 | args = [tokenExpr];
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75 | }
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76 | return o.importExpr(identifiers_1.Identifiers.inject).callFn(args);
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77 | });
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78 | };
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79 | InjectableCompiler.prototype.factoryFor = function (injectable, ctx) {
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80 | var retValue;
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81 | if (injectable.useExisting) {
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82 | retValue = o.importExpr(identifiers_1.Identifiers.inject).callFn([ctx.importExpr(injectable.useExisting)]);
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83 | }
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84 | else if (injectable.useFactory) {
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85 | var deps = injectable.deps || [];
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86 | if (deps.length > 0) {
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87 | retValue = ctx.importExpr(injectable.useFactory).callFn(this.depsArray(deps, ctx));
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88 | }
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89 | else {
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90 | return ctx.importExpr(injectable.useFactory);
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91 | }
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92 | }
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93 | else if (injectable.useValue) {
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94 | retValue = value_util_1.convertValueToOutputAst(ctx, injectable.useValue);
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95 | }
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96 | else {
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97 | var clazz = injectable.useClass || injectable.symbol;
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98 | var depArgs = this.depsArray(this.reflector.parameters(clazz), ctx);
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99 | retValue = new o.InstantiateExpr(ctx.importExpr(clazz), depArgs);
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100 | }
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101 | return o.fn([], [new o.ReturnStatement(retValue)], undefined, undefined, injectable.symbol.name + '_Factory');
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102 | };
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103 | InjectableCompiler.prototype.injectableDef = function (injectable, ctx) {
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104 | var providedIn = o.NULL_EXPR;
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105 | if (injectable.providedIn !== undefined) {
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106 | if (injectable.providedIn === null) {
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107 | providedIn = o.NULL_EXPR;
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108 | }
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109 | else if (typeof injectable.providedIn === 'string') {
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110 | providedIn = o.literal(injectable.providedIn);
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111 | }
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112 | else {
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113 | providedIn = ctx.importExpr(injectable.providedIn);
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114 | }
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115 | }
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116 | var def = [
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117 | mapEntry('factory', this.factoryFor(injectable, ctx)),
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118 | mapEntry('token', ctx.importExpr(injectable.type.reference)),
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119 | mapEntry('providedIn', providedIn),
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120 | ];
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121 | return o.importExpr(identifiers_1.Identifiers.ɵɵdefineInjectable).callFn([o.literalMap(def)]);
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122 | };
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123 | InjectableCompiler.prototype.compile = function (injectable, ctx) {
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124 | if (this.alwaysGenerateDef || injectable.providedIn !== undefined) {
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125 | var className = compile_metadata_1.identifierName(injectable.type);
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126 | var clazz = new o.ClassStmt(className, null, [
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127 | new o.ClassField('ɵprov', o.INFERRED_TYPE, [o.StmtModifier.Static], this.injectableDef(injectable, ctx)),
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128 | ], [], new o.ClassMethod(null, [], []), []);
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129 | ctx.statements.push(clazz);
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130 | }
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131 | };
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132 | return InjectableCompiler;
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133 | }());
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134 | exports.InjectableCompiler = InjectableCompiler;
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135 | });
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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 {StaticSymbol} from './aot/static_symbol';\nimport {CompileInjectableMetadata, CompileNgModuleMetadata, CompileProviderMetadata, identifierName} from './compile_metadata';\nimport {CompileReflector} from './compile_reflector';\nimport {InjectFlags, NodeFlags} from './core';\nimport {Identifiers} from './identifiers';\nimport * as o from './output/output_ast';\nimport {convertValueToOutputAst} from './output/value_util';\nimport {typeSourceSpan} from './parse_util';\nimport {NgModuleProviderAnalyzer} from './provider_analyzer';\nimport {OutputContext} from './util';\nimport {componentFactoryResolverProviderDef, depDef, providerDef} from './view_compiler/provider_compiler';\n\ntype MapEntry = {\n  key: string,\n  quoted: boolean,\n  value: o.Expression\n};\ntype MapLiteral = MapEntry[];\n\nfunction mapEntry(key: string, value: o.Expression): MapEntry {\n  return {key, value, quoted: false};\n}\n\nexport class InjectableCompiler {\n  private tokenInjector: StaticSymbol;\n  constructor(private reflector: CompileReflector, private alwaysGenerateDef: boolean) {\n    this.tokenInjector = reflector.resolveExternalReference(Identifiers.Injector);\n  }\n\n  private depsArray(deps: any[], ctx: OutputContext): o.Expression[] {\n    return deps.map(dep => {\n      let token = dep;\n      let args = [token];\n      let flags: InjectFlags = InjectFlags.Default;\n      if (Array.isArray(dep)) {\n        for (let i = 0; i < dep.length; i++) {\n          const v = dep[i];\n          if (v) {\n            if (v.ngMetadataName === 'Optional') {\n              flags |= InjectFlags.Optional;\n            } else if (v.ngMetadataName === 'SkipSelf') {\n              flags |= InjectFlags.SkipSelf;\n            } else if (v.ngMetadataName === 'Self') {\n              flags |= InjectFlags.Self;\n            } else if (v.ngMetadataName === 'Inject') {\n              token = v.token;\n            } else {\n              token = v;\n            }\n          }\n        }\n      }\n\n      let tokenExpr: o.Expression;\n      if (typeof token === 'string') {\n        tokenExpr = o.literal(token);\n      } else if (token === this.tokenInjector) {\n        tokenExpr = o.importExpr(Identifiers.INJECTOR);\n      } else {\n        tokenExpr = ctx.importExpr(token);\n      }\n\n      if (flags !== InjectFlags.Default) {\n        args = [tokenExpr, o.literal(flags)];\n      } else {\n        args = [tokenExpr];\n      }\n      return o.importExpr(Identifiers.inject).callFn(args);\n    });\n  }\n\n  factoryFor(injectable: CompileInjectableMetadata, ctx: OutputContext): o.Expression {\n    let retValue: o.Expression;\n    if (injectable.useExisting) {\n      retValue = o.importExpr(Identifiers.inject).callFn([ctx.importExpr(injectable.useExisting)]);\n    } else if (injectable.useFactory) {\n      const deps = injectable.deps || [];\n      if (deps.length > 0) {\n        retValue = ctx.importExpr(injectable.useFactory).callFn(this.depsArray(deps, ctx));\n      } else {\n        return ctx.importExpr(injectable.useFactory);\n      }\n    } else if (injectable.useValue) {\n      retValue = convertValueToOutputAst(ctx, injectable.useValue);\n    } else {\n      const clazz = injectable.useClass || injectable.symbol;\n      const depArgs = this.depsArray(this.reflector.parameters(clazz), ctx);\n      retValue = new o.InstantiateExpr(ctx.importExpr(clazz), depArgs);\n    }\n    return o.fn(\n        [], [new o.ReturnStatement(retValue)], undefined, undefined,\n        injectable.symbol.name + '_Factory');\n  }\n\n  injectableDef(injectable: CompileInjectableMetadata, ctx: OutputContext): o.Expression {\n    let providedIn: o.Expression = o.NULL_EXPR;\n    if (injectable.providedIn !== undefined) {\n      if (injectable.providedIn === null) {\n        providedIn = o.NULL_EXPR;\n      } else if (typeof injectable.providedIn === 'string') {\n        providedIn = o.literal(injectable.providedIn);\n      } else {\n        providedIn = ctx.importExpr(injectable.providedIn);\n      }\n    }\n    const def: MapLiteral = [\n      mapEntry('factory', this.factoryFor(injectable, ctx)),\n      mapEntry('token', ctx.importExpr(injectable.type.reference)),\n      mapEntry('providedIn', providedIn),\n    ];\n    return o.importExpr(Identifiers.ɵɵdefineInjectable).callFn([o.literalMap(def)]);\n  }\n\n  compile(injectable: CompileInjectableMetadata, ctx: OutputContext): void {\n    if (this.alwaysGenerateDef || injectable.providedIn !== undefined) {\n      const className = identifierName(injectable.type) !;\n      const clazz = new o.ClassStmt(\n          className, null,\n          [\n            new o.ClassField(\n                'ɵprov', o.INFERRED_TYPE, [o.StmtModifier.Static],\n                this.injectableDef(injectable, ctx)),\n          ],\n          [], new o.ClassMethod(null, [], []), []);\n      ctx.statements.push(clazz);\n    }\n  }\n}\n"]} |
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