@glimmer/runtime/dist/modules/es2017/lib/scope.js

Minimal runtime needed to render Glimmer templates

import { assign } from '@glimmer/util';
import { UNDEFINED_REFERENCE } from '@glimmer/reference';
export class DynamicScopeImpl {
  constructor(bucket) {
    if (bucket) {
      this.bucket = assign({}, bucket);
    } else {
      this.bucket = {};
    }
  }

  get(key) {
    return this.bucket[key];
  }

  set(key, reference) {
    return this.bucket[key] = reference;
  }

  child() {
    return new DynamicScopeImpl(this.bucket);
  }

}
export function isScopeReference(s) {
  if (s === null || Array.isArray(s)) return false;
  return true;
}
export class PartialScopeImpl {
  constructor( // the 0th slot is `self`
  slots, owner, callerScope, // named arguments and blocks passed to a layout that uses eval
  evalScope, // locals in scope when the partial was invoked
  partialMap) {
    this.slots = slots;
    this.owner = owner;
    this.callerScope = callerScope;
    this.evalScope = evalScope;
    this.partialMap = partialMap;
  }

  static root(self, size = 0, owner) {
    let refs = new Array(size + 1);

    for (let i = 0; i <= size; i++) {
      refs[i] = UNDEFINED_REFERENCE;
    }

    return new PartialScopeImpl(refs, owner, null, null, null).init({
      self
    });
  }

  static sized(size = 0, owner) {
    let refs = new Array(size + 1);

    for (let i = 0; i <= size; i++) {
      refs[i] = UNDEFINED_REFERENCE;
    }

    return new PartialScopeImpl(refs, owner, null, null, null);
  }

  init({
    self
  }) {
    this.slots[0] = self;
    return this;
  }

  getSelf() {
    return this.get(0);
  }

  getSymbol(symbol) {
    return this.get(symbol);
  }

  getBlock(symbol) {
    let block = this.get(symbol);
    return block === UNDEFINED_REFERENCE ? null : block;
  }

  getEvalScope() {
    return this.evalScope;
  }

  getPartialMap() {
    return this.partialMap;
  }

  bind(symbol, value) {
    this.set(symbol, value);
  }

  bindSelf(self) {
    this.set(0, self);
  }

  bindSymbol(symbol, value) {
    this.set(symbol, value);
  }

  bindBlock(symbol, value) {
    this.set(symbol, value);
  }

  bindEvalScope(map) {
    this.evalScope = map;
  }

  bindPartialMap(map) {
    this.partialMap = map;
  }

  bindCallerScope(scope) {
    this.callerScope = scope;
  }

  getCallerScope() {
    return this.callerScope;
  }

  child() {
    return new PartialScopeImpl(this.slots.slice(), this.owner, this.callerScope, this.evalScope, this.partialMap);
  }

  get(index) {
    if (index >= this.slots.length) {
      throw new RangeError(`BUG: cannot get $${index} from scope; length=${this.slots.length}`);
    }

    return this.slots[index];
  }

  set(index, value) {
    if (index >= this.slots.length) {
      throw new RangeError(`BUG: cannot get $${index} from scope; length=${this.slots.length}`);
    }

    this.slots[index] = value;
  }

}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../packages/@glimmer/runtime/lib/scope.ts"],"names":[],"mappings":"AAUA,SAAS,MAAT,QAAuB,eAAvB;AACA,SAAoB,mBAApB,QAA+C,oBAA/C;AAEA,OAAM,MAAO,gBAAP,CAAuB;AAG3B,EAAA,WAAA,CAAY,MAAZ,EAAoC;AAClC,QAAI,MAAJ,EAAY;AACV,WAAK,MAAL,GAAc,MAAM,CAAC,EAAD,EAAK,MAAL,CAApB;AACD,KAFD,MAEO;AACL,WAAK,MAAL,GAAc,EAAd;AACD;AACF;;AAED,EAAA,GAAG,CAAC,GAAD,EAAY;AACb,WAAO,KAAK,MAAL,CAAY,GAAZ,CAAP;AACD;;AAED,EAAA,GAAG,CAAC,GAAD,EAAc,SAAd,EAAkC;AACnC,WAAQ,KAAK,MAAL,CAAY,GAAZ,IAAmB,SAA3B;AACD;;AAED,EAAA,KAAK,GAAA;AACH,WAAO,IAAI,gBAAJ,CAAqB,KAAK,MAA1B,CAAP;AACD;;AArB0B;AAwB7B,OAAM,SAAU,gBAAV,CAA2B,CAA3B,EAAuC;AAC3C,MAAI,CAAC,KAAK,IAAN,IAAc,KAAK,CAAC,OAAN,CAAc,CAAd,CAAlB,EAAoC,OAAO,KAAP;AACpC,SAAO,IAAP;AACD;AAED,OAAM,MAAO,gBAAP,CAAuB;AAqB3B,EAAA,WAAA,EACE;AACS,EAAA,KAFX,EAGW,KAHX,EAIU,WAJV,EAKE;AACQ,EAAA,SANV,EAOE;AACQ,EAAA,UARV,EAQqD;AAN1C,SAAA,KAAA,GAAA,KAAA;AACA,SAAA,KAAA,GAAA,KAAA;AACD,SAAA,WAAA,GAAA,WAAA;AAEA,SAAA,SAAA,GAAA,SAAA;AAEA,SAAA,UAAA,GAAA,UAAA;AACN;;AA7BJ,SAAO,IAAP,CAAY,IAAZ,EAAsC,IAAI,GAAG,CAA7C,EAAgD,KAAhD,EAA4D;AAC1D,QAAI,IAAI,GAAyB,IAAI,KAAJ,CAAU,IAAI,GAAG,CAAjB,CAAjC;;AAEA,SAAK,IAAI,CAAC,GAAG,CAAb,EAAgB,CAAC,IAAI,IAArB,EAA2B,CAAC,EAA5B,EAAgC;AAC9B,MAAA,IAAI,CAAC,CAAD,CAAJ,GAAU,mBAAV;AACD;;AAED,WAAO,IAAI,gBAAJ,CAAqB,IAArB,EAA2B,KAA3B,EAAkC,IAAlC,EAAwC,IAAxC,EAA8C,IAA9C,EAAoD,IAApD,CAAyD;AAAE,MAAA;AAAF,KAAzD,CAAP;AACD;;AAED,SAAO,KAAP,CAAa,IAAI,GAAG,CAApB,EAAuB,KAAvB,EAAmC;AACjC,QAAI,IAAI,GAAyB,IAAI,KAAJ,CAAU,IAAI,GAAG,CAAjB,CAAjC;;AAEA,SAAK,IAAI,CAAC,GAAG,CAAb,EAAgB,CAAC,IAAI,IAArB,EAA2B,CAAC,EAA5B,EAAgC;AAC9B,MAAA,IAAI,CAAC,CAAD,CAAJ,GAAU,mBAAV;AACD;;AAED,WAAO,IAAI,gBAAJ,CAAqB,IAArB,EAA2B,KAA3B,EAAkC,IAAlC,EAAwC,IAAxC,EAA8C,IAA9C,CAAP;AACD;;AAaD,EAAA,IAAI,CAAC;AAAE,IAAA;AAAF,GAAD,EAAuC;AACzC,SAAK,KAAL,CAAW,CAAX,IAAgB,IAAhB;AACA,WAAO,IAAP;AACD;;AAED,EAAA,OAAO,GAAA;AACL,WAAO,KAAK,GAAL,CAA6B,CAA7B,CAAP;AACD;;AAED,EAAA,SAAS,CAAC,MAAD,EAAe;AACtB,WAAO,KAAK,GAAL,CAA6B,MAA7B,CAAP;AACD;;AAED,EAAA,QAAQ,CAAC,MAAD,EAAe;AACrB,QAAI,KAAK,GAAG,KAAK,GAAL,CAAS,MAAT,CAAZ;AACA,WAAO,KAAK,KAAK,mBAAV,GAAgC,IAAhC,GAAwC,KAA/C;AACD;;AAED,EAAA,YAAY,GAAA;AACV,WAAO,KAAK,SAAZ;AACD;;AAED,EAAA,aAAa,GAAA;AACX,WAAO,KAAK,UAAZ;AACD;;AAED,EAAA,IAAI,CAAC,MAAD,EAAiB,KAAjB,EAAiC;AACnC,SAAK,GAAL,CAAS,MAAT,EAAiB,KAAjB;AACD;;AAED,EAAA,QAAQ,CAAC,IAAD,EAAyB;AAC/B,SAAK,GAAL,CAA6B,CAA7B,EAAgC,IAAhC;AACD;;AAED,EAAA,UAAU,CAAC,MAAD,EAAiB,KAAjB,EAA0C;AAClD,SAAK,GAAL,CAAS,MAAT,EAAiB,KAAjB;AACD;;AAED,EAAA,SAAS,CAAC,MAAD,EAAiB,KAAjB,EAA0C;AACjD,SAAK,GAAL,CAA6B,MAA7B,EAAqC,KAArC;AACD;;AAED,EAAA,aAAa,CAAC,GAAD,EAA6B;AACxC,SAAK,SAAL,GAAiB,GAAjB;AACD;;AAED,EAAA,cAAc,CAAC,GAAD,EAA8B;AAC1C,SAAK,UAAL,GAAkB,GAAlB;AACD;;AAED,EAAA,eAAe,CAAC,KAAD,EAAqB;AAClC,SAAK,WAAL,GAAmB,KAAnB;AACD;;AAED,EAAA,cAAc,GAAA;AACZ,WAAO,KAAK,WAAZ;AACD;;AAED,EAAA,KAAK,GAAA;AACH,WAAO,IAAI,gBAAJ,CACL,KAAK,KAAL,CAAW,KAAX,EADK,EAEL,KAAK,KAFA,EAGL,KAAK,WAHA,EAIL,KAAK,SAJA,EAKL,KAAK,UALA,CAAP;AAOD;;AAEO,EAAA,GAAG,CAAsB,KAAtB,EAAmC;AAC5C,QAAI,KAAK,IAAI,KAAK,KAAL,CAAW,MAAxB,EAAgC;AAC9B,YAAM,IAAI,UAAJ,CAAe,oBAAoB,KAAK,uBAAuB,KAAK,KAAL,CAAW,MAAM,EAAhF,CAAN;AACD;;AAED,WAAO,KAAK,KAAL,CAAW,KAAX,CAAP;AACD;;AAEO,EAAA,GAAG,CAAsB,KAAtB,EAAqC,KAArC,EAA6C;AACtD,QAAI,KAAK,IAAI,KAAK,KAAL,CAAW,MAAxB,EAAgC;AAC9B,YAAM,IAAI,UAAJ,CAAe,oBAAoB,KAAK,uBAAuB,KAAK,KAAL,CAAW,MAAM,EAAhF,CAAN;AACD;;AAED,SAAK,KAAL,CAAW,KAAX,IAAoB,KAApB;AACD;;AAlH0B","sourcesContent":["import {\n  DynamicScope,\n  Dict,\n  PartialScope,\n  ScopeSlot,\n  ScopeBlock,\n  Option,\n  Scope,\n  Owner,\n} from '@glimmer/interfaces';\nimport { assign } from '@glimmer/util';\nimport { Reference, UNDEFINED_REFERENCE } from '@glimmer/reference';\n\nexport class DynamicScopeImpl implements DynamicScope {\n  private bucket: Dict<Reference>;\n\n  constructor(bucket?: Dict<Reference>) {\n    if (bucket) {\n      this.bucket = assign({}, bucket);\n    } else {\n      this.bucket = {};\n    }\n  }\n\n  get(key: string): Reference {\n    return this.bucket[key];\n  }\n\n  set(key: string, reference: Reference): Reference {\n    return (this.bucket[key] = reference);\n  }\n\n  child(): DynamicScopeImpl {\n    return new DynamicScopeImpl(this.bucket);\n  }\n}\n\nexport function isScopeReference(s: ScopeSlot): s is Reference {\n  if (s === null || Array.isArray(s)) return false;\n  return true;\n}\n\nexport class PartialScopeImpl implements PartialScope {\n  static root(self: Reference<unknown>, size = 0, owner: Owner): PartialScope {\n    let refs: Reference<unknown>[] = new Array(size + 1);\n\n    for (let i = 0; i <= size; i++) {\n      refs[i] = UNDEFINED_REFERENCE;\n    }\n\n    return new PartialScopeImpl(refs, owner, null, null, null).init({ self });\n  }\n\n  static sized(size = 0, owner: Owner): Scope {\n    let refs: Reference<unknown>[] = new Array(size + 1);\n\n    for (let i = 0; i <= size; i++) {\n      refs[i] = UNDEFINED_REFERENCE;\n    }\n\n    return new PartialScopeImpl(refs, owner, null, null, null);\n  }\n\n  constructor(\n    // the 0th slot is `self`\n    readonly slots: Array<ScopeSlot>,\n    readonly owner: Owner,\n    private callerScope: Scope | null,\n    // named arguments and blocks passed to a layout that uses eval\n    private evalScope: Dict<ScopeSlot> | null,\n    // locals in scope when the partial was invoked\n    private partialMap: Dict<Reference<unknown>> | null\n  ) {}\n\n  init({ self }: { self: Reference<unknown> }): this {\n    this.slots[0] = self;\n    return this;\n  }\n\n  getSelf(): Reference<unknown> {\n    return this.get<Reference<unknown>>(0);\n  }\n\n  getSymbol(symbol: number): Reference<unknown> {\n    return this.get<Reference<unknown>>(symbol);\n  }\n\n  getBlock(symbol: number): Option<ScopeBlock> {\n    let block = this.get(symbol);\n    return block === UNDEFINED_REFERENCE ? null : (block as ScopeBlock);\n  }\n\n  getEvalScope(): Option<Dict<ScopeSlot>> {\n    return this.evalScope;\n  }\n\n  getPartialMap(): Option<Dict<Reference<unknown>>> {\n    return this.partialMap;\n  }\n\n  bind(symbol: number, value: ScopeSlot) {\n    this.set(symbol, value);\n  }\n\n  bindSelf(self: Reference<unknown>) {\n    this.set<Reference<unknown>>(0, self);\n  }\n\n  bindSymbol(symbol: number, value: Reference<unknown>) {\n    this.set(symbol, value);\n  }\n\n  bindBlock(symbol: number, value: Option<ScopeBlock>) {\n    this.set<Option<ScopeBlock>>(symbol, value);\n  }\n\n  bindEvalScope(map: Option<Dict<ScopeSlot>>) {\n    this.evalScope = map;\n  }\n\n  bindPartialMap(map: Dict<Reference<unknown>>) {\n    this.partialMap = map;\n  }\n\n  bindCallerScope(scope: Option<Scope>): void {\n    this.callerScope = scope;\n  }\n\n  getCallerScope(): Option<Scope> {\n    return this.callerScope;\n  }\n\n  child(): Scope {\n    return new PartialScopeImpl(\n      this.slots.slice(),\n      this.owner,\n      this.callerScope,\n      this.evalScope,\n      this.partialMap\n    );\n  }\n\n  private get<T extends ScopeSlot>(index: number): T {\n    if (index >= this.slots.length) {\n      throw new RangeError(`BUG: cannot get $${index} from scope; length=${this.slots.length}`);\n    }\n\n    return this.slots[index] as T;\n  }\n\n  private set<T extends ScopeSlot>(index: number, value: T): void {\n    if (index >= this.slots.length) {\n      throw new RangeError(`BUG: cannot get $${index} from scope; length=${this.slots.length}`);\n    }\n\n    this.slots[index] = value;\n  }\n}\n"],"sourceRoot":""}