TypeScript @angular-compiler-src-output-output_ast.literalArr类(方法)实例源码

it('should support literals', () => {
   expect(emitStmt(o.literal(0).toStmt())).toEqual('0;');
   expect(emitStmt(o.literal(true).toStmt())).toEqual('true;');
   expect(emitStmt(o.literal('someStr').toStmt())).toEqual(`'someStr';`);
   expect(emitStmt(o.literalArr([o.literal(1)]).toStmt())).toEqual(`[1];`);
   expect(emitStmt(o.literalMap([['someKey', o.literal(1)]]).toStmt())).toEqual(`{someKey: 1};`);
 });

it('should support literals', () => {
   expect(emitStmt(o.literal(0).toStmt())).toEqual('0;');
   expect(emitStmt(o.literal(true).toStmt())).toEqual('true;');
   expect(emitStmt(o.literal('someStr').toStmt())).toEqual(`'someStr';`);
   expect(emitStmt(o.literal('$a').toStmt())).toEqual(`'\\$a';`);
   expect(emitStmt(o.literalArr([o.literal(1)]).toStmt())).toEqual(`[1];`);
   expect(emitStmt(o.literalMap([['someKey', o.literal(1)]]).toStmt()))
       .toEqual(`{'someKey': 1};`);
   expect(emitStmt(
              o.literalMap([['someKey', o.literal(1)]], new o.MapType(o.NUMBER_TYPE)).toStmt()))
       .toEqual(`<String, num>{'someKey': 1};`);
 });

it('should support literals', () => {
   expect(emitStmt(o.literal(0).toStmt())).toEqual('0;');
   expect(emitStmt(o.literal(true).toStmt())).toEqual('true;');
   expect(emitStmt(o.literal('someStr').toStmt())).toEqual(`'someStr';`);
   expect(emitStmt(o.literalArr([o.literal(1)]).toStmt())).toEqual(`[1];`);
   expect(emitStmt(o.literalMap([
                      {key: 'someKey', value: o.literal(1), quoted: false},
                      {key: 'a', value: o.literal('a'), quoted: false},
                      {key: '*', value: o.literal('star'), quoted: true},
                    ]).toStmt())
              .replace(/\s+/gm, ''))
       .toEqual(`{someKey:1,a:'a','*':'star'};`);
 });

it('should generate unique argument names', () => {
   const externalIds = new Array(10).fill(1).map(
       (_, index) =>
           new o.ExternalReference(anotherModuleUrl, `id_${index}_`, {name: `id_${index}_`}));
   const externalIds1 = new Array(10).fill(1).map(
       (_, index) => new o.ExternalReference(
           anotherModuleUrl, `id_${index}_1`, {name: `id_${index}_1`}));
   const ctx = EmitterVisitorContext.createRoot();
   const converter = new JitEmitterVisitor(new JitReflector());
   converter.visitAllStatements(
       [o.literalArr([...externalIds1, ...externalIds].map(id => o.importExpr(id))).toStmt()],
       ctx);
   const args = converter.getArgs();
   expect(Object.keys(args).length).toBe(20);
 });

o.variable('throwError')
      .set(o.fn([],
                [
                  new o.ThrowStmt(o.importExpr(baseExceptionIdentifier)
                                      .instantiate([o.literal('someError')]))
                ]))
      .toDeclStmt(),

  o.variable('catchError')
      .set(o.fn([new o.FnParam('runCb')],
                [
                  new o.TryCatchStmt([o.variable('runCb').callFn([]).toStmt()],
                                     [
                                       new o.ReturnStatement(
                                           o.literalArr([o.CATCH_ERROR_VAR, o.CATCH_STACK_VAR]))
                                     ])
                ],
                o.DYNAMIC_TYPE))
      .toDeclStmt(),

  o.variable('dynamicInstance')
      .set(o.variable('DynamicClass')
               .instantiate([o.literal('someValue'), o.literal('dynamicValue')]))
      .toDeclStmt(),
  o.variable('dynamicInstance').prop('dynamicChangeable').set(o.literal('changedValue')).toStmt(),

  new o.ReturnStatement(o.literalMap([
    ['stringLiteral', o.literal('Hello World!')],
    ['intLiteral', o.literal(42)],
    ['boolLiteral', o.literal(true)],

.set(o.fn(
          [new o.FnParam('param')],
          [new o.ReturnStatement(o.literalMap([['param', o.variable('param')]]))], o.DYNAMIC_TYPE))
      .toDeclStmt(),

  o.variable('throwError')
      .set(o.fn([], [new o.ThrowStmt(
                        o.importExpr(baseErrorIdentifier).instantiate([o.literal('someError')]))]))
      .toDeclStmt(),

  o.variable('catchError')
      .set(o.fn(
          [new o.FnParam('runCb')],
          [new o.TryCatchStmt(
              [o.variable('runCb').callFn([]).toStmt()],
              [new o.ReturnStatement(o.literalArr([o.CATCH_ERROR_VAR, o.CATCH_STACK_VAR]))])],
          o.DYNAMIC_TYPE))
      .toDeclStmt(),

  o.variable('dynamicInstance')
      .set(o.variable('DynamicClass').instantiate([
        o.literal('someValue'), o.literal('dynamicValue')
      ]))
      .toDeclStmt(),
  o.variable('dynamicInstance').prop('dynamicChangeable').set(o.literal('changedValue')).toStmt(),

  new o.ReturnStatement(o.literalMap([
    ['stringLiteral', o.literal('Hello World!')],
    ['intLiteral', o.literal(42)],
    ['boolLiteral', o.literal(true)],
    ['arrayLiteral', o.literalArr([o.literal(0)])],