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Add helpers from source files to the bundleInfo to be used later

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This commit is contained in:
Sheetal Nandi
2019-02-01 17:15:17 -08:00
parent 4050378819
commit e3eb7bc4b7
16 changed files with 182 additions and 27 deletions
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27
src/compiler/emitter.ts
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@@ -572,6 +572,12 @@ namespace ts {
if (bundleFileInfo) {
bundleFileInfo.sections.push({ pos, end: writer.getTextPos(), kind: BundleFileSectionKind.Text });
// Source file metadata if needed later on
// Store helpes
const helpers = getHelpersFromBundledSourceFiles(bundle);
if (helpers) {
bundleFileInfo.sources.helpers = helpers;
}
}
reset();
@@ -1142,6 +1148,27 @@ namespace ts {
pipelinePhase(hint, substituteNode(hint, node));
}
function getHelpersFromBundledSourceFiles(bundle: Bundle): string[] | undefined {
let result: string[] | undefined;
if (moduleKind === ModuleKind.None || printerOptions.noEmitHelpers) {
return undefined;
}
const bundledHelpers = createMap<boolean>();
for (const sourceFile of bundle.sourceFiles) {
const shouldSkip = getExternalHelpersModuleName(sourceFile) !== undefined;
const helpers = getSortedEmitHelpers(sourceFile);
if (!helpers) continue;
for (const helper of helpers) {
if (!helper.scoped && !shouldSkip && !bundledHelpers.get(helper.name)) {
bundledHelpers.set(helper.name, true);
(result || (result = [])).push(helper.name);
}
}
}
return result;
}
function emitHelpers(node: Node) {
let helpersEmitted = false;
const bundle = node.kind === SyntaxKind.Bundle ? <Bundle>node : undefined;

2
src/compiler/types.ts
View File

@@ -5529,6 +5529,8 @@ namespace ts {
/*@internal*/
export interface SourceFileInfo {
// List of helpers in own source files emitted if no prepend is present
helpers?: string[];
}
/*@internal*/