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fix(compiler): Update types for TypeScript nullability support

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This commit is contained in:
Miško Hevery
2017-03-24 09:59:58 -07:00
committed by Hans
parent d8b73e4223
commit 09d9f5fe54
118 changed files with 2086 additions and 1859 deletions
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23
packages/compiler/test/expression_parser/parser_spec.ts
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@ -28,18 +28,18 @@ export function main() {
function parseTemplateBindingsResult(
text: string, location: any = null, prefix?: string): TemplateBindingParseResult {
return createParser().parseTemplateBindings(prefix, text, location);
return createParser().parseTemplateBindings(prefix || null, text, location);
}
function parseTemplateBindings(
text: string, location: any = null, prefix?: string): TemplateBinding[] {
return parseTemplateBindingsResult(text, location, prefix).templateBindings;
}
function parseInterpolation(text: string, location: any = null): ASTWithSource {
function parseInterpolation(text: string, location: any = null): ASTWithSource|null {
return createParser().parseInterpolation(text, location);
}
function splitInterpolation(text: string, location: any = null): SplitInterpolation {
function splitInterpolation(text: string, location: any = null): SplitInterpolation|null {
return createParser().splitInterpolation(text, location);
}
@ -48,7 +48,7 @@ export function main() {
}
function checkInterpolation(exp: string, expected?: string) {
const ast = parseInterpolation(exp);
const ast = parseInterpolation(exp) !;
if (expected == null) expected = exp;
expect(unparse(ast)).toEqual(expected);
validate(ast);
@ -475,7 +475,7 @@ export function main() {
() => { expect(parseInterpolation('nothing')).toBe(null); });
it('should parse no prefix/suffix interpolation', () => {
const ast = parseInterpolation('{{a}}').ast as Interpolation;
const ast = parseInterpolation('{{a}}') !.ast as Interpolation;
expect(ast.strings).toEqual(['', '']);
expect(ast.expressions.length).toEqual(1);
expect(ast.expressions[0].name).toEqual('a');
@ -483,18 +483,18 @@ export function main() {
it('should parse prefix/suffix with multiple interpolation', () => {
const originalExp = 'before {{ a }} middle {{ b }} after';
const ast = parseInterpolation(originalExp).ast;
const ast = parseInterpolation(originalExp) !.ast;
expect(unparse(ast)).toEqual(originalExp);
validate(ast);
});
it('should report empty interpolation expressions', () => {
expectError(
parseInterpolation('{{}}'),
parseInterpolation('{{}}') !,
'Blank expressions are not allowed in interpolated strings');
expectError(
parseInterpolation('foo {{ }}'),
parseInterpolation('foo {{ }}') !,
'Parser Error: Blank expressions are not allowed in interpolated strings');
});
@ -507,7 +507,8 @@ export function main() {
it('should support custom interpolation', () => {
const parser = new Parser(new Lexer());
const ast = parser.parseInterpolation('{% a %}', null, {start: '{%', end: '%}'}).ast as any;
const ast =
parser.parseInterpolation('{% a %}', null, {start: '{%', end: '%}'}) !.ast as any;
expect(ast.strings).toEqual(['', '']);
expect(ast.expressions.length).toEqual(1);
expect(ast.expressions[0].name).toEqual('a');
@ -586,12 +587,12 @@ export function main() {
describe('offsets', () => {
it('should retain the offsets of an interpolation', () => {
const interpolations = splitInterpolation('{{a}} {{b}} {{c}}');
const interpolations = splitInterpolation('{{a}} {{b}} {{c}}') !;
expect(interpolations.offsets).toEqual([2, 9, 16]);
});
it('should retain the offsets into the expression AST of interpolations', () => {
const source = parseInterpolation('{{a}} {{b}} {{c}}');
const source = parseInterpolation('{{a}} {{b}} {{c}}') !;
const interpolation = source.ast as Interpolation;
expect(interpolation.expressions.map(e => e.span.start)).toEqual([2, 9, 16]);
});