r3_pipe_compiler.js

/**
 * @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
 */
(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/render3/r3_pipe_compiler", ["require", "exports", "@angular/compiler/src/compile_metadata", "@angular/compiler/src/output/output_ast", "@angular/compiler/src/util", "@angular/compiler/src/render3/r3_factory", "@angular/compiler/src/render3/r3_identifiers"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var compile_metadata_1 = require("@angular/compiler/src/compile_metadata");
    var o = require("@angular/compiler/src/output/output_ast");
    var util_1 = require("@angular/compiler/src/util");
    var r3_factory_1 = require("@angular/compiler/src/render3/r3_factory");
    var r3_identifiers_1 = require("@angular/compiler/src/render3/r3_identifiers");
    /**
     * Write a pipe definition to the output context.
     */
    function compilePipe(outputCtx, pipe, reflector) {
        var definitionMapValues = [];
        // e.g. `name: 'myPipe'`
        definitionMapValues.push({ key: 'name', value: o.literal(pipe.name), quoted: false });
        // e.g. `type: MyPipe`
        definitionMapValues.push({ key: 'type', value: outputCtx.importExpr(pipe.type.reference), quoted: false });
        // e.g. `factory: function MyPipe_Factory() { return new MyPipe(); }`
        var deps = r3_factory_1.dependenciesFromGlobalMetadata(pipe.type, outputCtx, reflector);
        var templateFactory = r3_factory_1.compileFactoryFunction({
            name: compile_metadata_1.identifierName(pipe.type),
            fnOrClass: outputCtx.importExpr(pipe.type.reference), deps: deps,
            useNew: true,
            injectFn: r3_identifiers_1.Identifiers.directiveInject,
            useOptionalParam: false,
        });
        definitionMapValues.push({ key: 'factory', value: templateFactory, quoted: false });
        // e.g. `pure: true`
        if (pipe.pure) {
            definitionMapValues.push({ key: 'pure', value: o.literal(true), quoted: false });
        }
        var className = compile_metadata_1.identifierName(pipe.type);
        className || util_1.error("Cannot resolve the name of " + pipe.type);
        var definitionField = outputCtx.constantPool.propertyNameOf(3 /* Pipe */);
        var definitionFunction = o.importExpr(r3_identifiers_1.Identifiers.definePipe).callFn([o.literalMap(definitionMapValues)]);
        outputCtx.statements.push(new o.ClassStmt(
        /* name */ className, 
        /* parent */ null, 
        /* fields */ [new o.ClassField(
            /* name */ definitionField, 
            /* type */ o.INFERRED_TYPE, 
            /* modifiers */ [o.StmtModifier.Static], 
            /* initializer */ definitionFunction)], 
        /* getters */ [], 
        /* constructorMethod */ new o.ClassMethod(null, [], []), 
        /* methods */ []));
    }
    exports.compilePipe = compilePipe;
});
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