preboot
Version:
Record server view events and play back to Angular client view
82 lines • 12 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
*/
import { APP_BOOTSTRAP_LISTENER, ApplicationRef, Inject, InjectionToken, Optional, PLATFORM_ID } from '@angular/core';
import { DOCUMENT, isPlatformBrowser, isPlatformServer } from '@angular/common';
import { filter, take } from 'rxjs/operators';
import { EventReplayer } from './api/event.replayer';
import { PREBOOT_NONCE } from './common/tokens';
import { getInlineDefinition, getInlineInvocation } from './api/inline.preboot.code';
import { validateOptions } from './api';
const PREBOOT_SCRIPT_CLASS = 'preboot-inline-script';
export const PREBOOT_OPTIONS = new InjectionToken('PrebootOptions');
function createScriptFromCode(doc, nonce, inlineCode) {
const script = doc.createElement('script');
if (nonce) {
script.nonce = nonce;
}
script.className = PREBOOT_SCRIPT_CLASS;
script.textContent = inlineCode;
return script;
}
export function PREBOOT_FACTORY(doc, prebootOpts, nonce, platformId, appRef, eventReplayer) {
return () => {
validateOptions(prebootOpts);
if (isPlatformServer(platformId)) {
const inlineCodeDefinition = getInlineDefinition(prebootOpts);
const scriptWithDefinition = createScriptFromCode(doc, nonce, inlineCodeDefinition);
const inlineCodeInvocation = getInlineInvocation();
const existingScripts = doc.getElementsByClassName(PREBOOT_SCRIPT_CLASS);
// Check to see if preboot scripts are already inlined before adding them
// to the DOM. If they are, update the nonce to be current.
if (existingScripts.length === 0) {
const baseList = [];
const appRootSelectors = baseList.concat(prebootOpts.appRoot);
doc.head.appendChild(scriptWithDefinition);
appRootSelectors
.map(selector => ({
selector,
appRootElem: doc.querySelector(selector)
}))
.forEach(({ selector, appRootElem }) => {
if (!appRootElem) {
console.log(`No server node found for selector: ${selector}`);
return;
}
const scriptWithInvocation = createScriptFromCode(doc, nonce, inlineCodeInvocation);
appRootElem.insertBefore(scriptWithInvocation, appRootElem.firstChild);
});
}
else if (existingScripts.length > 0 && nonce) {
existingScripts[0].nonce = nonce;
}
}
if (isPlatformBrowser(platformId)) {
const replay = prebootOpts.replay != null ? prebootOpts.replay : true;
if (replay) {
appRef.isStable
.pipe(filter(stable => stable), take(1)).subscribe(() => {
eventReplayer.replayAll();
});
}
}
};
}
export const PREBOOT_PROVIDER = {
provide: APP_BOOTSTRAP_LISTENER,
useFactory: PREBOOT_FACTORY,
deps: [
DOCUMENT,
PREBOOT_OPTIONS,
[new Optional(), new Inject(PREBOOT_NONCE)],
PLATFORM_ID,
ApplicationRef,
EventReplayer,
],
multi: true
};
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"provider.js","sourceRoot":"../../src/lib/","sources":["provider.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EACL,sBAAsB,EACtB,cAAc,EACd,MAAM,EACN,cAAc,EACd,QAAQ,EACR,WAAW,EACZ,MAAM,eAAe,CAAC;AACvB,OAAO,EAAC,QAAQ,EAAE,iBAAiB,EAAE,gBAAgB,EAAC,MAAM,iBAAiB,CAAC;AAC9E,OAAO,EAAC,MAAM,EAAE,IAAI,EAAC,MAAM,gBAAgB,CAAC;AAE5C,OAAO,EAAC,aAAa,EAAC,MAAM,sBAAsB,CAAC;AACnD,OAAO,EAAC,aAAa,EAAC,MAAM,iBAAiB,CAAC;AAC9C,OAAO,EAAC,mBAAmB,EAAE,mBAAmB,EAAC,MAAM,2BAA2B,CAAC;AAEnF,OAAO,EAAC,eAAe,EAAC,MAAM,OAAO,CAAC;AAEtC,MAAM,oBAAoB,GAAG,uBAAuB,CAAC;AACrD,MAAM,CAAC,MAAM,eAAe,GAAG,IAAI,cAAc,CAAiB,gBAAgB,CAAC,CAAC;AAEpF,SAAS,oBAAoB,CAAC,GAAa,EAAE,KAAkB,EAAE,UAAkB;IACjF,MAAM,MAAM,GAAG,GAAG,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC;IAC3C,IAAI,KAAK,EAAE;QACR,MAAc,CAAC,KAAK,GAAG,KAAK,CAAC;KAC/B;IACD,MAAM,CAAC,SAAS,GAAG,oBAAoB,CAAC;IACxC,MAAM,CAAC,WAAW,GAAG,UAAU,CAAC;IAEhC,OAAO,MAAM,CAAC;AAChB,CAAC;AAED,MAAM,UAAU,eAAe,CAAC,GAAa,EACb,WAA2B,EAC3B,KAAkB,EAClB,UAAkB,EAClB,MAAsB,EACtB,aAA4B;IAC1D,OAAO,GAAG,EAAE;QACV,eAAe,CAAC,WAAW,CAAC,CAAC;QAE7B,IAAI,gBAAgB,CAAC,UAAU,CAAC,EAAE;YAChC,MAAM,oBAAoB,GAAG,mBAAmB,CAAC,WAAW,CAAC,CAAC;YAC9D,MAAM,oBAAoB,GAAG,oBAAoB,CAAC,GAAG,EAAE,KAAK,EAAE,oBAAoB,CAAC,CAAC;YACpF,MAAM,oBAAoB,GAAG,mBAAmB,EAAE,CAAC;YAEnD,MAAM,eAAe,GAAG,GAAG,CAAC,sBAAsB,CAAC,oBAAoB,CAAC,CAAC;YAEzE,yEAAyE;YACzE,2DAA2D;YAC3D,IAAI,eAAe,CAAC,MAAM,KAAK,CAAC,EAAE;gBAChC,MAAM,QAAQ,GAAa,EAAE,CAAC;gBAC9B,MAAM,gBAAgB,GAAG,QAAQ,CAAC,MAAM,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;gBAC9D,GAAG,CAAC,IAAI,CAAC,WAAW,CAAC,oBAAoB,CAAC,CAAC;gBAC3C,gBAAgB;qBACb,GAAG,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC;oBAChB,QAAQ;oBACR,WAAW,EAAE,GAAG,CAAC,aAAa,CAAC,QAAQ,CAAC;iBACzC,CAAC,CAAC;qBACF,OAAO,CAAC,CAAC,EAAC,QAAQ,EAAE,WAAW,EAAC,EAAE,EAAE;oBACnC,IAAI,CAAC,WAAW,EAAE;wBAChB,OAAO,CAAC,GAAG,CAAC,sCAAsC,QAAQ,EAAE,CAAC,CAAC;wBAC9D,OAAO;qBACR;oBACD,MAAM,oBAAoB,GAAG,oBAAoB,CAAC,GAAG,EAAE,KAAK,EAAE,oBAAoB,CAAC,CAAC;oBACpF,WAAW,CAAC,YAAY,CAAC,oBAAoB,EAAE,WAAW,CAAC,UAAU,CAAC,CAAC;gBACzE,CAAC,CAAC,CAAC;aACN;iBAAM,IAAI,eAAe,CAAC,MAAM,GAAG,CAAC,IAAI,KAAK,EAAE;gBAC7C,eAAe,CAAC,CAAC,CAAS,CAAC,KAAK,GAAG,KAAK,CAAC;aAC3C;SACF;QACD,IAAI,iBAAiB,CAAC,UAAU,CAAC,EAAE;YACjC,MAAM,MAAM,GAAG,WAAW,CAAC,MAAM,IAAI,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC;YACtE,IAAI,MAAM,EAAE;gBACV,MAAM,CAAC,QAAQ;qBACZ,IAAI,CACH,MAAM,CAAC,MAAM,CAAC,EAAE,CAAC,MAAM,CAAC,EACxB,IAAI,CAAC,CAAC,CAAC,CACR,CAAC,SAAS,CAAC,GAAG,EAAE;oBACjB,aAAa,CAAC,SAAS,EAAE,CAAC;gBAC5B,CAAC,CAAC,CAAC;aACJ;SACF;IACH,CAAC,CAAC;AACJ,CAAC;AAED,MAAM,CAAC,MAAM,gBAAgB,GAAG;IAC9B,OAAO,EAA8B,sBAAsB;IAC3D,UAAU,EAAE,eAAe;IAC3B,IAAI,EAAE;QACJ,QAAQ;QACR,eAAe;QACf,CAAC,IAAI,QAAQ,EAAE,EAAE,IAAI,MAAM,CAAC,aAAa,CAAC,CAAC;QAC3C,WAAW;QACX,cAAc;QACd,aAAa;KACd;IACD,KAAK,EAAE,IAAI;CACZ,CAAC","sourcesContent":["/**\n * @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 */\nimport {\n  APP_BOOTSTRAP_LISTENER,\n  ApplicationRef,\n  Inject,\n  InjectionToken,\n  Optional,\n  PLATFORM_ID\n} from '@angular/core';\nimport {DOCUMENT, isPlatformBrowser, isPlatformServer} from '@angular/common';\nimport {filter, take} from 'rxjs/operators';\n\nimport {EventReplayer} from './api/event.replayer';\nimport {PREBOOT_NONCE} from './common/tokens';\nimport {getInlineDefinition, getInlineInvocation} from './api/inline.preboot.code';\nimport {PrebootOptions} from './common/preboot.interfaces';\nimport {validateOptions} from './api';\n\nconst PREBOOT_SCRIPT_CLASS = 'preboot-inline-script';\nexport const PREBOOT_OPTIONS = new InjectionToken<PrebootOptions>('PrebootOptions');\n\nfunction createScriptFromCode(doc: Document, nonce: string|null, inlineCode: string) {\n  const script = doc.createElement('script');\n  if (nonce) {\n    (script as any).nonce = nonce;\n  }\n  script.className = PREBOOT_SCRIPT_CLASS;\n  script.textContent = inlineCode;\n\n  return script;\n}\n\nexport function PREBOOT_FACTORY(doc: Document,\n                                prebootOpts: PrebootOptions,\n                                nonce: string|null,\n                                platformId: Object,\n                                appRef: ApplicationRef,\n                                eventReplayer: EventReplayer) {\n  return () => {\n    validateOptions(prebootOpts);\n\n    if (isPlatformServer(platformId)) {\n      const inlineCodeDefinition = getInlineDefinition(prebootOpts);\n      const scriptWithDefinition = createScriptFromCode(doc, nonce, inlineCodeDefinition);\n      const inlineCodeInvocation = getInlineInvocation();\n\n      const existingScripts = doc.getElementsByClassName(PREBOOT_SCRIPT_CLASS);\n\n      // Check to see if preboot scripts are already inlined before adding them\n      // to the DOM. If they are, update the nonce to be current.\n      if (existingScripts.length === 0) {\n        const baseList: string[] = [];\n        const appRootSelectors = baseList.concat(prebootOpts.appRoot);\n        doc.head.appendChild(scriptWithDefinition);\n        appRootSelectors\n          .map(selector => ({\n            selector,\n            appRootElem: doc.querySelector(selector)\n          }))\n          .forEach(({selector, appRootElem}) => {\n            if (!appRootElem) {\n              console.log(`No server node found for selector: ${selector}`);\n              return;\n            }\n            const scriptWithInvocation = createScriptFromCode(doc, nonce, inlineCodeInvocation);\n            appRootElem.insertBefore(scriptWithInvocation, appRootElem.firstChild);\n          });\n      } else if (existingScripts.length > 0 && nonce) {\n        (existingScripts[0] as any).nonce = nonce;\n      }\n    }\n    if (isPlatformBrowser(platformId)) {\n      const replay = prebootOpts.replay != null ? prebootOpts.replay : true;\n      if (replay) {\n        appRef.isStable\n          .pipe(\n            filter(stable => stable),\n            take(1)\n          ).subscribe(() => {\n          eventReplayer.replayAll();\n        });\n      }\n    }\n  };\n}\n\nexport const PREBOOT_PROVIDER = {\n  provide: <InjectionToken<() => void>>APP_BOOTSTRAP_LISTENER,\n  useFactory: PREBOOT_FACTORY,\n  deps: [\n    DOCUMENT,\n    PREBOOT_OPTIONS,\n    [new Optional(), new Inject(PREBOOT_NONCE)],\n    PLATFORM_ID,\n    ApplicationRef,\n    EventReplayer,\n  ],\n  multi: true\n};\n"]}