angular2/es6/dev/src/compiler/view_compiler/compile_pipe.js

Angular 2 - a web framework for modern web apps

import { isBlank } from 'angular2/src/facade/lang';
import { BaseException } from 'angular2/src/facade/exceptions';
import * as o from '../output/output_ast';
import { Identifiers, identifierToken } from '../identifiers';
import { injectFromViewParentInjector, createPureProxy, getPropertyInView } from './util';
class _PurePipeProxy {
    constructor(instance, argCount) {
        this.instance = instance;
        this.argCount = argCount;
    }
}
export class CompilePipe {
    constructor(view, name) {
        this.view = view;
        this._purePipeProxies = [];
        this.meta = _findPipeMeta(view, name);
        this.instance = o.THIS_EXPR.prop(`_pipe_${name}_${view.pipeCount++}`);
    }
    get pure() { return this.meta.pure; }
    create() {
        var deps = this.meta.type.diDeps.map((diDep) => {
            if (diDep.token.equalsTo(identifierToken(Identifiers.ChangeDetectorRef))) {
                return o.THIS_EXPR.prop('ref');
            }
            return injectFromViewParentInjector(diDep.token, false);
        });
        this.view.fields.push(new o.ClassField(this.instance.name, o.importType(this.meta.type), [o.StmtModifier.Private]));
        this.view.createMethod.resetDebugInfo(null, null);
        this.view.createMethod.addStmt(o.THIS_EXPR.prop(this.instance.name)
            .set(o.importExpr(this.meta.type).instantiate(deps))
            .toStmt());
        this._purePipeProxies.forEach((purePipeProxy) => {
            createPureProxy(this.instance.prop('transform').callMethod(o.BuiltinMethod.bind, [this.instance]), purePipeProxy.argCount, purePipeProxy.instance, this.view);
        });
    }
    call(callingView, args) {
        if (this.meta.pure) {
            var purePipeProxy = new _PurePipeProxy(o.THIS_EXPR.prop(`${this.instance.name}_${this._purePipeProxies.length}`), args.length);
            this._purePipeProxies.push(purePipeProxy);
            return getPropertyInView(o.importExpr(Identifiers.castByValue)
                .callFn([purePipeProxy.instance, this.instance.prop('transform')]), callingView, this.view)
                .callFn(args);
        }
        else {
            return getPropertyInView(this.instance, callingView, this.view).callMethod('transform', args);
        }
    }
}
function _findPipeMeta(view, name) {
    var pipeMeta = null;
    for (var i = view.pipeMetas.length - 1; i >= 0; i--) {
        var localPipeMeta = view.pipeMetas[i];
        if (localPipeMeta.name == name) {
            pipeMeta = localPipeMeta;
            break;
        }
    }
    if (isBlank(pipeMeta)) {
        throw new BaseException(`Illegal state: Could not find pipe ${name} although the parser should have detected this error!`);
    }
    return pipeMeta;
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"compile_pipe.js","sourceRoot":"","sources":["diffing_plugin_wrapper-output_path-xBLIBrVR.tmp/angular2/src/compiler/view_compiler/compile_pipe.ts"],"names":[],"mappings":"OAAO,EAAC,OAAO,EAAY,MAAM,0BAA0B;OACpD,EAAC,aAAa,EAAC,MAAM,gCAAgC;OACrD,KAAK,CAAC,MAAM,sBAAsB;OAGlC,EAAC,WAAW,EAAE,eAAe,EAAC,MAAM,gBAAgB;OACpD,EAAC,4BAA4B,EAAE,eAAe,EAAE,iBAAiB,EAAC,MAAM,QAAQ;AAEvF;IACE,YAAmB,QAAwB,EAAS,QAAgB;QAAjD,aAAQ,GAAR,QAAQ,CAAgB;QAAS,aAAQ,GAAR,QAAQ,CAAQ;IAAG,CAAC;AAC1E,CAAC;AAED;IAKE,YAAmB,IAAiB,EAAE,IAAY;QAA/B,SAAI,GAAJ,IAAI,CAAa;QAF5B,qBAAgB,GAAqB,EAAE,CAAC;QAG9C,IAAI,CAAC,IAAI,GAAG,aAAa,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;QACtC,IAAI,CAAC,QAAQ,GAAG,CAAC,CAAC,SAAS,CAAC,IAAI,CAAC,SAAS,IAAI,IAAI,IAAI,CAAC,SAAS,EAAE,EAAE,CAAC,CAAC;IACxE,CAAC;IAED,IAAI,IAAI,KAAc,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC;IAE9C,MAAM;QACJ,IAAI,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC,KAAK;YACzC,EAAE,CAAC,CAAC,KAAK,CAAC,KAAK,CAAC,QAAQ,CAAC,eAAe,CAAC,WAAW,CAAC,iBAAiB,CAAC,CAAC,CAAC,CAAC,CAAC;gBACzE,MAAM,CAAC,CAAC,CAAC,SAAS,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;YACjC,CAAC;YACD,MAAM,CAAC,4BAA4B,CAAC,KAAK,CAAC,KAAK,EAAE,KAAK,CAAC,CAAC;QAC1D,CAAC,CAAC,CAAC;QACH,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,QAAQ,CAAC,IAAI,EAAE,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,EAChD,CAAC,CAAC,CAAC,YAAY,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;QAClE,IAAI,CAAC,IAAI,CAAC,YAAY,CAAC,cAAc,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;QAClD,IAAI,CAAC,IAAI,CAAC,YAAY,CAAC,OAAO,CAAC,CAAC,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC;aAC/B,GAAG,CAAC,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;aACnD,MAAM,EAAE,CAAC,CAAC;QAC9C,IAAI,CAAC,gBAAgB,CAAC,OAAO,CAAC,CAAC,aAAa;YAC1C,eAAe,CACX,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC,UAAU,CAAC,CAAC,CAAC,aAAa,CAAC,IAAI,EAAE,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC,EACjF,aAAa,CAAC,QAAQ,EAAE,aAAa,CAAC,QAAQ,EAAE,IAAI,CAAC,IAAI,CAAC,CAAC;QACjE,CAAC,CAAC,CAAC;IACL,CAAC;IAED,IAAI,CAAC,WAAwB,EAAE,IAAoB;QACjD,EAAE,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC;YACnB,IAAI,aAAa,GAAG,IAAI,cAAc,CAClC,CAAC,CAAC,SAAS,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,QAAQ,CAAC,IAAI,IAAI,IAAI,CAAC,gBAAgB,CAAC,MAAM,EAAE,CAAC,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;YAC5F,IAAI,CAAC,gBAAgB,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC;YAC1C,MAAM,CAAC,iBAAiB,CACb,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,WAAW,CAAC;iBAChC,MAAM,CAAC,CAAC,aAAa,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC,EACtE,WAAW,EAAE,IAAI,CAAC,IAAI,CAAC;iBAC7B,MAAM,CAAC,IAAI,CAAC,CAAC;QACpB,CAAC;QAAC,IAAI,CAAC,CAAC;YACN,MAAM,CAAC,iBAAiB,CAAC,IAAI,CAAC,QAAQ,EAAE,WAAW,EAAE,IAAI,CAAC,IAAI,CAAC,CAAC,UAAU,CAAC,WAAW,EAAE,IAAI,CAAC,CAAC;QAChG,CAAC;IACH,CAAC;AACH,CAAC;AAGD,uBAAuB,IAAiB,EAAE,IAAY;IACpD,IAAI,QAAQ,GAAwB,IAAI,CAAC;IACzC,GAAG,CAAC,CAAC,IAAI,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,EAAE,EAAE,CAAC;QACpD,IAAI,aAAa,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;QACtC,EAAE,CAAC,CAAC,aAAa,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC;YAC/B,QAAQ,GAAG,aAAa,CAAC;YACzB,KAAK,CAAC;QACR,CAAC;IACH,CAAC;IACD,EAAE,CAAC,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC;QACtB,MAAM,IAAI,aAAa,CACnB,sCAAsC,IAAI,uDAAuD,CAAC,CAAC;IACzG,CAAC;IACD,MAAM,CAAC,QAAQ,CAAC;AAClB,CAAC","sourcesContent":["import {isBlank, isPresent} from 'angular2/src/facade/lang';\nimport {BaseException} from 'angular2/src/facade/exceptions';\nimport * as o from '../output/output_ast';\nimport {CompileView} from './compile_view';\nimport {CompilePipeMetadata} from '../compile_metadata';\nimport {Identifiers, identifierToken} from '../identifiers';\nimport {injectFromViewParentInjector, createPureProxy, getPropertyInView} from './util';\n\nclass _PurePipeProxy {\n  constructor(public instance: o.ReadPropExpr, public argCount: number) {}\n}\n\nexport class CompilePipe {\n  meta: CompilePipeMetadata;\n  instance: o.ReadPropExpr;\n  private _purePipeProxies: _PurePipeProxy[] = [];\n\n  constructor(public view: CompileView, name: string) {\n    this.meta = _findPipeMeta(view, name);\n    this.instance = o.THIS_EXPR.prop(`_pipe_${name}_${view.pipeCount++}`);\n  }\n\n  get pure(): boolean { return this.meta.pure; }\n\n  create(): void {\n    var deps = this.meta.type.diDeps.map((diDep) => {\n      if (diDep.token.equalsTo(identifierToken(Identifiers.ChangeDetectorRef))) {\n        return o.THIS_EXPR.prop('ref');\n      }\n      return injectFromViewParentInjector(diDep.token, false);\n    });\n    this.view.fields.push(new o.ClassField(this.instance.name, o.importType(this.meta.type),\n                                           [o.StmtModifier.Private]));\n    this.view.createMethod.resetDebugInfo(null, null);\n    this.view.createMethod.addStmt(o.THIS_EXPR.prop(this.instance.name)\n                                       .set(o.importExpr(this.meta.type).instantiate(deps))\n                                       .toStmt());\n    this._purePipeProxies.forEach((purePipeProxy) => {\n      createPureProxy(\n          this.instance.prop('transform').callMethod(o.BuiltinMethod.bind, [this.instance]),\n          purePipeProxy.argCount, purePipeProxy.instance, this.view);\n    });\n  }\n\n  call(callingView: CompileView, args: o.Expression[]): o.Expression {\n    if (this.meta.pure) {\n      var purePipeProxy = new _PurePipeProxy(\n          o.THIS_EXPR.prop(`${this.instance.name}_${this._purePipeProxies.length}`), args.length);\n      this._purePipeProxies.push(purePipeProxy);\n      return getPropertyInView(\n                 o.importExpr(Identifiers.castByValue)\n                     .callFn([purePipeProxy.instance, this.instance.prop('transform')]),\n                 callingView, this.view)\n          .callFn(args);\n    } else {\n      return getPropertyInView(this.instance, callingView, this.view).callMethod('transform', args);\n    }\n  }\n}\n\n\nfunction _findPipeMeta(view: CompileView, name: string): CompilePipeMetadata {\n  var pipeMeta: CompilePipeMetadata = null;\n  for (var i = view.pipeMetas.length - 1; i >= 0; i--) {\n    var localPipeMeta = view.pipeMetas[i];\n    if (localPipeMeta.name == name) {\n      pipeMeta = localPipeMeta;\n      break;\n    }\n  }\n  if (isBlank(pipeMeta)) {\n    throw new BaseException(\n        `Illegal state: Could not find pipe ${name} although the parser should have detected this error!`);\n  }\n  return pipeMeta;\n}\n"]}