deno/cli/js/compiler_api.ts
2020-05-06 00:19:18 +02:00

84 lines
2.6 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
// This file contains the runtime APIs which will dispatch work to the internal
// compiler within Deno.
import { DiagnosticItem } from "./diagnostics.ts";
import * as util from "./util.ts";
import * as runtimeCompilerOps from "./ops/runtime_compiler.ts";
import { TranspileOnlyResult } from "./ops/runtime_compiler.ts";
import { CompilerOptions } from "./compiler_options.ts";
function checkRelative(specifier: string): string {
return specifier.match(/^([\.\/\\]|https?:\/{2}|file:\/{2})/)
? specifier
: `./${specifier}`;
}
// TODO(bartlomieju): change return type to interface?
export function transpileOnly(
sources: Record<string, string>,
options: CompilerOptions = {}
): Promise<Record<string, TranspileOnlyResult>> {
util.log("Deno.transpileOnly", { sources: Object.keys(sources), options });
const payload = {
sources,
options: JSON.stringify(options),
};
return runtimeCompilerOps.transpile(payload);
}
// TODO(bartlomieju): change return type to interface?
export async function compile(
rootName: string,
sources?: Record<string, string>,
options: CompilerOptions = {}
): Promise<[DiagnosticItem[] | undefined, Record<string, string>]> {
const payload = {
rootName: sources ? rootName : checkRelative(rootName),
sources,
options: JSON.stringify(options),
bundle: false,
};
util.log("Deno.compile", {
rootName: payload.rootName,
sources: !!sources,
options,
});
const result = await runtimeCompilerOps.compile(payload);
util.assert(result.emitMap);
const maybeDiagnostics =
result.diagnostics.length === 0 ? undefined : result.diagnostics;
const emitMap: Record<string, string> = {};
for (const [key, emmitedSource] of Object.entries(result.emitMap)) {
emitMap[key] = emmitedSource.contents;
}
return [maybeDiagnostics, emitMap];
}
// TODO(bartlomieju): change return type to interface?
export async function bundle(
rootName: string,
sources?: Record<string, string>,
options: CompilerOptions = {}
): Promise<[DiagnosticItem[] | undefined, string]> {
const payload = {
rootName: sources ? rootName : checkRelative(rootName),
sources,
options: JSON.stringify(options),
bundle: true,
};
util.log("Deno.bundle", {
rootName: payload.rootName,
sources: !!sources,
options,
});
const result = await runtimeCompilerOps.compile(payload);
util.assert(result.output);
const maybeDiagnostics =
result.diagnostics.length === 0 ? undefined : result.diagnostics;
return [maybeDiagnostics, result.output];
}