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feat: Support types compiler option in compiler APIs (#4155)

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Handles `types` in the compiler APIs to make it easier to supply
external type libraries.
This commit is contained in:
Kitson Kelly 2020-02-28 03:27:00 +11:00 • committed by GitHub
parent daf7617f42
commit 1d26da6a47
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6 changed files with 91 additions and 7 deletions
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21
cli/js/compiler_util.ts
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@ -182,12 +182,20 @@ export function createWriteFile(state: WriteFileState): WriteFileCallback {
};
}
export interface ConvertCompilerOptionsResult {
files?: string[];
options: ts.CompilerOptions;
}
/** Take a runtime set of compiler options as stringified JSON and convert it
* to a set of TypeScript compiler options. */
export function convertCompilerOptions(str: string): ts.CompilerOptions {
export function convertCompilerOptions(
str: string
): ConvertCompilerOptionsResult {
const options: CompilerOptions = JSON.parse(str);
const out: Record<string, unknown> = {};
const keys = Object.keys(options) as Array<keyof CompilerOptions>;
const files: string[] = [];
for (const key of keys) {
switch (key) {
case "jsx":
@ -261,11 +269,20 @@ export function convertCompilerOptions(str: string): ts.CompilerOptions {
default:
throw new TypeError("Unexpected emit target.");
}
break;
case "types":
const types = options[key];
assert(types);
files.push(...types);
break;
default:
out[key] = options[key];
}
}
return out as ts.CompilerOptions;
return {
options: out as ts.CompilerOptions,
files: files.length ? files : undefined
};
}
/** An array of TypeScript diagnostic types we ignore. */