@wrench/roll-typescript/lib/host/emit-host.js

plugin for bundling TypeScript with support of modular output and declaration bundle

Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const util_1 = require("../util");
const report_host_1 = require("./report-host");
const overrides = ["getCommonSourceDirectory"];
let current;
function emitByProgram(program, host, fileName, dtsOnly) {
    const { ts } = host;
    const emit = current = {
        fileName,
        sourceFile: program.getSourceFile(fileName),
        files: [],
    };
    if (emit.sourceFile) {
        const origin = lodash_1.pick(program, overrides);
        const injects = lodash_1.pick(host, overrides);
        Object.assign(program, injects);
        try {
            const r = program.emit(emit.sourceFile, writeFile, void 0, dtsOnly, host.transform);
            report_host_1.reportDiagnostics(host, r.diagnostics);
        }
        finally {
            Object.assign(program, origin);
        }
    }
    else {
        const template = ts.Diagnostics.File_0_not_found;
        const diagnostic = ts.createCompilerDiagnostic(template, fileName);
        host.reportDiagnostic(diagnostic);
    }
    return emit;
}
exports.emitByProgram = emitByProgram;
function writeFile(name, text, writeByteOrderMark) {
    const key = util_1.extname(name).toLowerCase().split(".").join("");
    const file = { name, text, writeByteOrderMark };
    current.files.push(file);
    current[key] = file;
}