@uirouter/core/lib/common/trace.js.map

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  "sourcesContent": [
    "/**\n * # Transition tracing (debug)\n *\n * Enable transition tracing to print transition information to the console,\n * in order to help debug your application.\n * Tracing logs detailed information about each Transition to your console.\n *\n * To enable tracing, import the [[Trace]] singleton and enable one or more categories.\n *\n * ### ES6\n * ```js\n * import {trace} from \"@uirouter/core\";\n * trace.enable(1, 5); // TRANSITION and VIEWCONFIG\n * ```\n *\n * ### CJS\n * ```js\n * let trace = require(\"@uirouter/core\").trace;\n * trace.enable(\"TRANSITION\", \"VIEWCONFIG\");\n * ```\n *\n * ### Globals\n * ```js\n * let trace = window[\"@uirouter/core\"].trace;\n * trace.enable(); // Trace everything (very verbose)\n * ```\n *\n * ### Angular 1:\n * ```js\n * app.run($trace => $trace.enable());\n * ```\n *\n * @packageDocumentation\n */\nimport { parse } from '../common/hof';\nimport { isNumber } from '../common/predicates';\nimport { Transition } from '../transition/transition';\nimport { ViewTuple } from '../view';\nimport { ActiveUIView, ViewConfig, ViewContext } from '../view/interface';\nimport { stringify, functionToString, maxLength, padString } from './strings';\nimport { safeConsole } from './safeConsole';\nimport { Resolvable } from '../resolve/resolvable';\nimport { PathNode } from '../path/pathNode';\nimport { PolicyWhen } from '../resolve/interface';\nimport { TransitionHook } from '../transition/transitionHook';\nimport { HookResult } from '../transition/interface';\nimport { StateObject } from '../state/stateObject';\n\nfunction uiViewString(uiview: ActiveUIView) {\n  if (!uiview) return 'ui-view (defunct)';\n  const state = uiview.creationContext ? uiview.creationContext.name || '(root)' : '(none)';\n  return `[ui-view#${uiview.id} ${uiview.$type}:${uiview.fqn} (${uiview.name}@${state})]`;\n}\n\nconst viewConfigString = (viewConfig: ViewConfig) => {\n  const view = viewConfig.viewDecl;\n  const state = view.$context.name || '(root)';\n  return `[View#${viewConfig.$id} from '${state}' state]: target ui-view: '${view.$uiViewName}@${view.$uiViewContextAnchor}'`;\n};\n\nfunction normalizedCat(input: Category | string): string {\n  return isNumber(input) ? Category[input] : Category[Category[input]];\n}\n\n/**\n * Trace categories Enum\n *\n * Enable or disable a category using [[Trace.enable]] or [[Trace.disable]]\n *\n * `trace.enable(Category.TRANSITION)`\n *\n * These can also be provided using a matching string, or position ordinal\n *\n * `trace.enable(\"TRANSITION\")`\n *\n * `trace.enable(1)`\n */\nenum Category {\n  RESOLVE,\n  TRANSITION,\n  HOOK,\n  UIVIEW,\n  VIEWCONFIG,\n}\n\nexport { Category };\n\nconst _tid = parse('$id');\nconst _rid = parse('router.$id');\n\nconst transLbl = (trans) => `Transition #${_tid(trans)}-${_rid(trans)}`;\n\n/**\n * Prints UI-Router Transition trace information to the console.\n */\nexport class Trace {\n  /** @internal */\n  approximateDigests: number;\n\n  /** @internal */\n  private _enabled: { [key: string]: boolean } = {};\n\n  /** @internal */\n  constructor() {\n    this.approximateDigests = 0;\n  }\n\n  /** @internal */\n  private _set(enabled: boolean, categories: Category[]) {\n    if (!categories.length) {\n      categories = <any>Object.keys(Category)\n        .map((k) => parseInt(k, 10))\n        .filter((k) => !isNaN(k))\n        .map((key) => Category[key]);\n    }\n    categories.map(normalizedCat).forEach((category) => (this._enabled[category] = enabled));\n  }\n\n  /**\n   * Enables a trace [[Category]]\n   *\n   * ```js\n   * trace.enable(\"TRANSITION\");\n   * ```\n   *\n   * @param categories categories to enable. If `categories` is omitted, all categories are enabled.\n   *        Also takes strings (category name) or ordinal (category position)\n   */\n  enable(...categories: (Category | string | number)[]);\n  enable(...categories: any[]) {\n    this._set(true, categories);\n  }\n  /**\n   * Disables a trace [[Category]]\n   *\n   * ```js\n   * trace.disable(\"VIEWCONFIG\");\n   * ```\n   *\n   * @param categories categories to disable. If `categories` is omitted, all categories are disabled.\n   *        Also takes strings (category name) or ordinal (category position)\n   */\n  disable(...categories: (Category | string | number)[]);\n  disable(...categories: any[]) {\n    this._set(false, categories);\n  }\n\n  /**\n   * Retrieves the enabled stateus of a [[Category]]\n   *\n   * ```js\n   * trace.enabled(\"VIEWCONFIG\"); // true or false\n   * ```\n   *\n   * @returns boolean true if the category is enabled\n   */\n  enabled(category: Category | string | number): boolean {\n    return !!this._enabled[normalizedCat(category)];\n  }\n\n  /** @internal called by ui-router code */\n  traceTransitionStart(trans: Transition) {\n    if (!this.enabled(Category.TRANSITION)) return;\n    safeConsole.log(`${transLbl(trans)}: Started  -> ${stringify(trans)}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceTransitionIgnored(trans: Transition) {\n    if (!this.enabled(Category.TRANSITION)) return;\n    safeConsole.log(`${transLbl(trans)}: Ignored  <> ${stringify(trans)}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceHookInvocation(step: TransitionHook, trans: Transition, options: any) {\n    if (!this.enabled(Category.HOOK)) return;\n    const event = parse('traceData.hookType')(options) || 'internal',\n      context = parse('traceData.context.state.name')(options) || parse('traceData.context')(options) || 'unknown',\n      name = functionToString((step as any).registeredHook.callback);\n    safeConsole.log(`${transLbl(trans)}:   Hook -> ${event} context: ${context}, ${maxLength(200, name)}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceHookResult(hookResult: HookResult, trans: Transition, transitionOptions: any) {\n    if (!this.enabled(Category.HOOK)) return;\n    safeConsole.log(`${transLbl(trans)}:   <- Hook returned: ${maxLength(200, stringify(hookResult))}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceResolvePath(path: PathNode[], when: PolicyWhen, trans?: Transition) {\n    if (!this.enabled(Category.RESOLVE)) return;\n    safeConsole.log(`${transLbl(trans)}:         Resolving ${path} (${when})`);\n  }\n\n  /** @internal called by ui-router code */\n  traceResolvableResolved(resolvable: Resolvable, trans?: Transition) {\n    if (!this.enabled(Category.RESOLVE)) return;\n    safeConsole.log(\n      `${transLbl(trans)}:               <- Resolved  ${resolvable} to: ${maxLength(200, stringify(resolvable.data))}`\n    );\n  }\n\n  /** @internal called by ui-router code */\n  traceError(reason: any, trans: Transition) {\n    if (!this.enabled(Category.TRANSITION)) return;\n    safeConsole.log(`${transLbl(trans)}: <- Rejected ${stringify(trans)}, reason: ${reason}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceSuccess(finalState: StateObject, trans: Transition) {\n    if (!this.enabled(Category.TRANSITION)) return;\n    safeConsole.log(`${transLbl(trans)}: <- Success  ${stringify(trans)}, final state: ${finalState.name}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceUIViewEvent(event: string, viewData: ActiveUIView, extra = '') {\n    if (!this.enabled(Category.UIVIEW)) return;\n    safeConsole.log(`ui-view: ${padString(30, event)} ${uiViewString(viewData)}${extra}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceUIViewConfigUpdated(viewData: ActiveUIView, context: ViewContext) {\n    if (!this.enabled(Category.UIVIEW)) return;\n    this.traceUIViewEvent('Updating', viewData, ` with ViewConfig from context='${context}'`);\n  }\n\n  /** @internal called by ui-router code */\n  traceUIViewFill(viewData: ActiveUIView, html: string) {\n    if (!this.enabled(Category.UIVIEW)) return;\n    this.traceUIViewEvent('Fill', viewData, ` with: ${maxLength(200, html)}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceViewSync(pairs: ViewTuple[]) {\n    if (!this.enabled(Category.VIEWCONFIG)) return;\n    const uivheader = 'uiview component fqn';\n    const cfgheader = 'view config state (view name)';\n    const mapping = pairs\n      .map(({ uiView, viewConfig }) => {\n        const uiv = uiView && uiView.fqn;\n        const cfg = viewConfig && `${viewConfig.viewDecl.$context.name}: (${viewConfig.viewDecl.$name})`;\n        return { [uivheader]: uiv, [cfgheader]: cfg };\n      })\n      .sort((a, b) => (a[uivheader] || '').localeCompare(b[uivheader] || ''));\n\n    safeConsole.table(mapping);\n  }\n\n  /** @internal called by ui-router code */\n  traceViewServiceEvent(event: string, viewConfig: ViewConfig) {\n    if (!this.enabled(Category.VIEWCONFIG)) return;\n    safeConsole.log(`VIEWCONFIG: ${event} ${viewConfigString(viewConfig)}`);\n  }\n\n  /** @internal called by ui-router code */\n  traceViewServiceUIViewEvent(event: string, viewData: ActiveUIView) {\n    if (!this.enabled(Category.VIEWCONFIG)) return;\n    safeConsole.log(`VIEWCONFIG: ${event} ${uiViewString(viewData)}`);\n  }\n}\n\n/**\n * The [[Trace]] singleton\n *\n * #### Example:\n * ```js\n * import {trace} from \"@uirouter/core\";\n * trace.enable(1, 5);\n * ```\n */\nconst trace = new Trace();\nexport { trace };\n"
  ]
}