本文整理匯總了TypeScript中@angular/compiler/src/output/output_ast.fn函數的典型用法代碼示例。如果您正苦於以下問題：TypeScript fn函數的具體用法？TypeScript fn怎麽用？TypeScript fn使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。
在下文中一共展示了fn函數的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: it
it('should support function expressions', () => {
expect(emitStmt(o.fn([], []).toStmt())).toEqual(['():void => {', '};'].join('\n'));
expect(emitStmt(o.fn([], [new o.ReturnStatement(o.literal(1))], o.INT_TYPE).toStmt()))
.toEqual(['():number => {', ' return 1;\n};'].join('\n'));
expect(emitStmt(o.fn([new o.FnParam('param1', o.INT_TYPE)], []).toStmt()))
.toEqual(['(param1:number):void => {', '};'].join('\n'));
});示例2: it
it('should support function expressions', () => {
expect(emitStmt(o.fn([], []).toStmt())).toEqual(['function() {', '};'].join('\n'));
expect(emitStmt(o.fn([], [new o.ReturnStatement(o.literal(1))]).toStmt()))
.toEqual(['function() {', ' return 1;\n};'].join('\n'));
expect(emitStmt(o.fn([new o.FnParam('param1')], []).toStmt()))
.toEqual(['function(param1) {', '};'].join('\n'));
});示例3: it
it('should support function expressions', () => {
expect(emitStmt(o.fn([], []).toStmt())).toEqual(`(function () { });`);
expect(emitStmt(o.fn([], [new o.ReturnStatement(o.literal(1))], o.INT_TYPE).toStmt()))
.toEqual(`(function () { return 1; });`);
expect(emitStmt(o.fn([new o.FnParam('param1', o.INT_TYPE)], []).toStmt()))
.toEqual(`(function (param1) { });`);
});示例4: it
it('should break expressions into multiple lines if they are too long', () => {
const values: o.Expression[] = new Array(100);
values.fill(o.literal(1));
values.splice(50, 0, o.fn([], [new o.ReturnStatement(o.literal(1))]));
expect(emitStmt(o.variable('fn').callFn(values).toStmt())).toEqual([
'fn(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,',
' 1,1,1,1,1,1,1,1,1,1,():void => {', ' return 1;',
' },1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,',
' 1,1,1,1,1,1,1,1,1,1,1,1);'
].join('\n'));
});示例5: createOperatorFn
function createOperatorFn(op: o.BinaryOperator) {
return o.fn(
[new o.FnParam('a'), new o.FnParam('b')],
[new o.ReturnStatement(new o.BinaryOperatorExpr(op, o.variable('a'), o.variable('b')))],
o.DYNAMIC_TYPE);
}示例6:
o.variable('map')
.set(o.literalMap([
['someKey', o.literal('someValue')],
['changeable', o.literal('initialValue')],
]))
.toDeclStmt(),
o.variable('map').key(o.literal('changeable')).set(o.literal('changedValue')).toStmt(),
o.variable('externalInstance')
.set(o.importExpr(testDataIdentifier).instantiate([o.literal('someValue')]))
.toDeclStmt(),
o.variable('externalInstance').prop('changeable').set(o.literal('changedValue')).toStmt(),
o.variable('fn')
.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(baseExceptionIdentifier)
.instantiate([o.literal('someError')]))
]))
.toDeclStmt(),
o.variable('catchError')
.set(o.fn([new o.FnParam('runCb')],
[
new o.TryCatchStmt([o.variable('runCb').callFn([]).toStmt()],示例7: it
it('should support function expressions', () => {
expect(emitStmt(o.fn([], []).toStmt())).toEqual(['() {', '};'].join('\n'));
expect(emitStmt(o.fn([new o.FnParam('param1', o.INT_TYPE)], []).toStmt()))
.toEqual(['(int param1) {', '};'].join('\n'));
});