@ehmicky/dev-tasks/build/src/tasks/builder/types.js

Automated development tasks for my own projects

import{pipeline}from"node:stream/promises";

import gulp from"gulp";
import{exec}from"gulp-execa";
import{pathExists}from"path-exists";

import{
BUILD,
BUILT_MAIN_SOURCE,
SOURCES_GLOB,
TYPESCRIPT_AMBIENT_EXT,
TYPESCRIPT_AMBIENT_MAIN,
TYPESCRIPT_MAIN}from
"../../files.js";

export const buildTypes=async()=>{
if(await pathExists(TYPESCRIPT_MAIN)){
await buildFullTypes();
return
}

if(await pathExists(TYPESCRIPT_AMBIENT_MAIN)){
await buildAmbientTypes()
}
};

const buildFullTypes=async()=>{
if(await pathExists(TYPESCRIPT_AMBIENT_MAIN)){
throw new Error("\"src/main.d.ts\" and \"src/main.ts\" must not both exist.")
}

await exec(`tsc ${TSC_FLAGS}`,{echo:false})
};







const TSCONFIG_FLAGS=`
--module nodenext \
--moduleResolution nodenext \
--target esnext \
--lib esnext \
--strict \
--exactOptionalPropertyTypes \
--noUncheckedIndexedAccess \
--noUncheckedSideEffectImports \
--forceConsistentCasingInFileNames \
--verbatimModuleSyntax \
`;

const TSC_FLAGS=`\
${TSCONFIG_FLAGS} \
--declaration \
--emitDeclarationOnly \
--declarationDir ${BUILT_MAIN_SOURCE} \
${TYPESCRIPT_MAIN}
`.trim();

const buildAmbientTypes=()=>
pipeline(
gulp.src([`${SOURCES_GLOB}/*.${TYPESCRIPT_AMBIENT_EXT}`],{
since:gulp.lastRun(buildTypes)
}),
gulp.dest(BUILD)
);