@angular/compiler
Version:
Angular - the compiler library
138 lines • 18.9 kB
JavaScript
/**
* @license
* Copyright Google LLC 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
*/
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
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", "@angular/compiler/src/render3/r3_identifiers"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InjectableCompiler = void 0;
var compile_metadata_1 = require("@angular/compiler/src/compile_metadata");
var identifiers_1 = require("@angular/compiler/src/identifiers");
var o = require("@angular/compiler/src/output/output_ast");
var value_util_1 = require("@angular/compiler/src/output/value_util");
var r3_identifiers_1 = require("@angular/compiler/src/render3/r3_identifiers");
function mapEntry(key, value) {
return { key: key, value: value, quoted: false };
}
var InjectableCompiler = /** @class */ (function () {
function InjectableCompiler(reflector, alwaysGenerateDef) {
this.reflector = reflector;
this.alwaysGenerateDef = alwaysGenerateDef;
this.tokenInjector = reflector.resolveExternalReference(identifiers_1.Identifiers.Injector);
}
InjectableCompiler.prototype.depsArray = function (deps, ctx) {
var _this = this;
return deps.map(function (dep) {
var token = dep;
var args = [token];
var flags = 0 /* Default */;
if (Array.isArray(dep)) {
for (var i = 0; i < dep.length; i++) {
var v = dep[i];
if (v) {
if (v.ngMetadataName === 'Optional') {
flags |= 8 /* Optional */;
}
else if (v.ngMetadataName === 'SkipSelf') {
flags |= 4 /* SkipSelf */;
}
else if (v.ngMetadataName === 'Self') {
flags |= 2 /* Self */;
}
else if (v.ngMetadataName === 'Inject') {
token = v.token;
}
else {
token = v;
}
}
}
}
var tokenExpr;
if (typeof token === 'string') {
tokenExpr = o.literal(token);
}
else if (token === _this.tokenInjector) {
tokenExpr = o.importExpr(identifiers_1.Identifiers.INJECTOR);
}
else {
tokenExpr = ctx.importExpr(token);
}
if (flags !== 0 /* Default */) {
args = [tokenExpr, o.literal(flags)];
}
else {
args = [tokenExpr];
}
return o.importExpr(identifiers_1.Identifiers.inject).callFn(args);
});
};
InjectableCompiler.prototype.factoryFor = function (injectable, ctx) {
var retValue;
if (injectable.useExisting) {
retValue = o.importExpr(identifiers_1.Identifiers.inject).callFn([ctx.importExpr(injectable.useExisting)]);
}
else if (injectable.useFactory) {
var deps = injectable.deps || [];
if (deps.length > 0) {
retValue = ctx.importExpr(injectable.useFactory).callFn(this.depsArray(deps, ctx));
}
else {
return ctx.importExpr(injectable.useFactory);
}
}
else if (injectable.useValue) {
retValue = value_util_1.convertValueToOutputAst(ctx, injectable.useValue);
}
else {
var clazz = injectable.useClass || injectable.symbol;
var depArgs = this.depsArray(this.reflector.parameters(clazz), ctx);
retValue = new o.InstantiateExpr(ctx.importExpr(clazz), depArgs);
}
return o.fn([], [new o.ReturnStatement(retValue)], undefined, undefined, injectable.symbol.name + '_Factory');
};
InjectableCompiler.prototype.injectableDef = function (injectable, ctx) {
var providedIn = o.NULL_EXPR;
if (injectable.providedIn !== undefined) {
if (injectable.providedIn === null) {
providedIn = o.NULL_EXPR;
}
else if (typeof injectable.providedIn === 'string') {
providedIn = o.literal(injectable.providedIn);
}
else {
providedIn = ctx.importExpr(injectable.providedIn);
}
}
var def = [
mapEntry('factory', this.factoryFor(injectable, ctx)),
mapEntry('token', ctx.importExpr(injectable.type.reference)),
mapEntry('providedIn', providedIn),
];
return o.importExpr(r3_identifiers_1.Identifiers.ɵɵdefineInjectable).callFn([o.literalMap(def)], undefined, true);
};
InjectableCompiler.prototype.compile = function (injectable, ctx) {
if (this.alwaysGenerateDef || injectable.providedIn !== undefined) {
var className = compile_metadata_1.identifierName(injectable.type);
var clazz = new o.ClassStmt(className, null, [
new o.ClassField('ɵprov', o.INFERRED_TYPE, [o.StmtModifier.Static], this.injectableDef(injectable, ctx)),
], [], new o.ClassMethod(null, [], []), []);
ctx.statements.push(clazz);
}
};
return InjectableCompiler;
}());
exports.InjectableCompiler = InjectableCompiler;
});
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* @license\n * Copyright Google LLC 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, identifierName} from './compile_metadata';\nimport {CompileReflector} from './compile_reflector';\nimport {InjectFlags} from './core';\nimport {Identifiers} from './identifiers';\nimport * as o from './output/output_ast';\nimport {convertValueToOutputAst} from './output/value_util';\nimport {Identifiers as R3} from './render3/r3_identifiers';\nimport {OutputContext} from './util';\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(R3.ɵɵdefineInjectable).callFn([o.literalMap(def)], undefined, true);\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"]}