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Rewrite getPropFromRaw slightly to surface T in the parameters (#53301)

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Mateusz Burzyński 2023-03-20 04:01:16 +01:00 committed by GitHub
parent 716b592e55
commit d458e30a06
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1 changed files with 7 additions and 7 deletions
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14
src/compiler/commandLineParser.ts
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@ -29,7 +29,6 @@ import {
emptyArray,
endsWith,
ensureTrailingDirectorySeparator,
every,
Expression,
extend,
Extension,
@ -2974,7 +2973,7 @@ function parseJsonConfigFileContentWorker(
};
function getConfigFileSpecs(): ConfigFileSpecs {
const referencesOfRaw = getPropFromRaw<ProjectReference>("references", element => typeof element === "object", "object");
const referencesOfRaw = getPropFromRaw("references", (element): element is ProjectReference => !!element && typeof element === "object", "object");
const filesSpecs = toPropValue(getSpecsFromRaw("files"));
if (filesSpecs) {
const hasZeroOrNoReferences = referencesOfRaw === "no-prop" || isArray(referencesOfRaw) && referencesOfRaw.length === 0;
@ -3049,7 +3048,7 @@ function parseJsonConfigFileContentWorker(
function getProjectReferences(basePath: string): readonly ProjectReference[] | undefined {
let projectReferences: ProjectReference[] | undefined;
const referencesOfRaw = getPropFromRaw<ProjectReference>("references", element => typeof element === "object", "object");
const referencesOfRaw = getPropFromRaw("references", (element): element is ProjectReference => !!element && typeof element === "object", "object");
if (isArray(referencesOfRaw)) {
for (const ref of referencesOfRaw) {
if (typeof ref.path !== "string") {
@ -3077,11 +3076,12 @@ function parseJsonConfigFileContentWorker(
return getPropFromRaw(prop, isString, "string");
}
function getPropFromRaw<T>(prop: "files" | "include" | "exclude" | "references", validateElement: (value: unknown) => boolean, elementTypeName: string): PropOfRaw<T> {
function getPropFromRaw<T>(prop: "files" | "include" | "exclude" | "references", validateElement: (value: unknown) => value is T, elementTypeName: string): PropOfRaw<T> {
if (hasProperty(raw, prop) && !isNullOrUndefined(raw[prop])) {
if (isArray(raw[prop])) {
const result = raw[prop] as T[];
if (!sourceFile && !every(result, validateElement)) {
const value = raw[prop];
if (isArray(value)) {
const result = filter(value, validateElement);
if (!sourceFile && result.length !== value.length) {
errors.push(createCompilerDiagnostic(Diagnostics.Compiler_option_0_requires_a_value_of_type_1, prop, elementTypeName));
}
return result;