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// 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.
((window) => {
const util = window.__bootstrap.util;
const { sendAsync } = window.__bootstrap.dispatchJson;
function opCompile(request) {
return sendAsync("op_compile", request);
}
function opTranspile(
request,
) {
return sendAsync("op_transpile", request);
}
function checkRelative(specifier) {
return specifier.match(/^([\.\/\\]|https?:\/{2}|file:\/{2})/)
? specifier
: `./${specifier}`;
}
// TODO(bartlomieju): change return type to interface?
function transpileOnly(
sources,
options = {},
) {
util.log("Deno.transpileOnly", { sources: Object.keys(sources), options });
const payload = {
sources,
options: JSON.stringify(options),
};
return opTranspile(payload);
}
// TODO(bartlomieju): change return type to interface?
async function compile(
rootName,
sources,
options = {},
) {
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 opCompile(payload);
util.assert(result.emitMap);
const maybeDiagnostics = result.diagnostics.length === 0
? undefined
: result.diagnostics;
const emitMap = {};
for (const [key, emittedSource] of Object.entries(result.emitMap)) {
emitMap[key] = emittedSource.contents;
}
return [maybeDiagnostics, emitMap];
}
// TODO(bartlomieju): change return type to interface?
async function bundle(
rootName,
sources,
options = {},
) {
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 opCompile(payload);
util.assert(result.output);
const maybeDiagnostics = result.diagnostics.length === 0
? undefined
: result.diagnostics;
return [maybeDiagnostics, result.output];
}
window.__bootstrap.compilerApi = {
bundle,
compile,
transpileOnly,
};
})(this);
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