2f7492c986
Removes `CompileIdentifierMetadata.name` / `.moduleUrl`, as well as `CompileTypeMetadata.name / moduleUrl` and `CompileFactoryMetadata.name / moduleUrl`.
58 lines
2.3 KiB
TypeScript
58 lines
2.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {CompileTokenMetadata} from '../compile_metadata';
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import {isPresent} from '../facade/lang';
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import {IdentifierSpec, Identifiers, createEnumIdentifier, createIdentifier} from '../identifiers';
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import * as o from '../output/output_ast';
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export function createDiTokenExpression(token: CompileTokenMetadata): o.Expression {
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if (isPresent(token.value)) {
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return o.literal(token.value);
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} else {
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return o.importExpr(token.identifier);
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}
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}
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export function createInlineArray(values: o.Expression[]): o.Expression {
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if (values.length === 0) {
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return o.importExpr(createIdentifier(Identifiers.EMPTY_INLINE_ARRAY));
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}
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const log2 = Math.log(values.length) / Math.log(2);
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const index = Math.ceil(log2);
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const identifierSpec = index < Identifiers.inlineArrays.length ? Identifiers.inlineArrays[index] :
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Identifiers.InlineArrayDynamic;
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const identifier = createIdentifier(identifierSpec);
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return o.importExpr(identifier).instantiate([
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<o.Expression>o.literal(values.length)
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].concat(values));
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}
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export function createPureProxy(
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fn: o.Expression, argCount: number, pureProxyProp: o.ReadPropExpr,
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builder: {fields: o.ClassField[], ctorStmts: {push: (stmt: o.Statement) => void}}) {
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builder.fields.push(new o.ClassField(pureProxyProp.name, null));
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const pureProxyId =
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argCount < Identifiers.pureProxies.length ? Identifiers.pureProxies[argCount] : null;
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if (!pureProxyId) {
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throw new Error(`Unsupported number of argument for pure functions: ${argCount}`);
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}
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builder.ctorStmts.push(o.THIS_EXPR.prop(pureProxyProp.name)
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.set(o.importExpr(createIdentifier(pureProxyId)).callFn([fn]))
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.toStmt());
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}
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export function createEnumExpression(enumType: IdentifierSpec, enumValue: any): o.Expression {
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const enumName =
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Object.keys(enumType.runtime).find((propName) => enumType.runtime[propName] === enumValue);
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if (!enumName) {
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throw new Error(`Unknown enum value ${enumValue} in ${enumType.name}`);
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}
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return o.importExpr(createEnumIdentifier(enumType, enumName));
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}
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