grpc-node/gulpfile.js

87 lines
2.3 KiB
JavaScript

const gulp = require('gulp');
const merge2 = require('merge2');
const path = require('path');
const sourcemaps = require('gulp-sourcemaps');
const tslint = require('gulp-tslint');
const typescript = require('gulp-typescript');
const tslintPath = './tslint.json'
const tsconfigPath = './tsconfig.json';
const outDir = 'build';
const srcGlob = 'src/**/*.ts';
function onError() {}
function makeCompileFn(dev) {
const tsSettings = dev ? {
noEmitOnError: false,
noUnusedParameters: false
} : {};
return () => {
const { dts, js } = gulp.src(srcGlob)
.pipe(sourcemaps.init())
.pipe(typescript.createProject(tsconfigPath, tsSettings)())
.on('error', onError);
const jsMap = js.pipe(sourcemaps.write('.', {
includeContent: false,
sourceRoot: path.relative(outDir, 'src')
}));
return merge2([
js.pipe(gulp.dest(`${outDir}/src`)),
dts.pipe(gulp.dest(`${outDir}/types`)),
jsMap.pipe(gulp.dest(`${outDir}/src`))
]);
};
}
/**
* Runs tslint on files in src/, with linting rules defined in tslint.json.
*/
gulp.task('lint', () => {
const program = require('tslint').Linter.createProgram(tsconfigPath);
gulp.src(srcGlob)
.pipe(tslint({
configuration: tslintPath,
formatter: 'prose',
program
}))
.pipe(tslint.report())
.on('warning', onError);
});
/**
* Transpiles TypeScript files in src/ to JavaScript according to the settings
* found in tsconfig.json.
* Currently, all errors are emitted twice. This is being tracked here:
* https://github.com/ivogabe/gulp-typescript/issues/438
*/
gulp.task('compile', makeCompileFn(false));
/**
* Starts watching files in src/, running the 'compile' step whenever a file
* changes.
*/
gulp.task('watch', () => {
gulp.start(['compile']);
return gulp.watch(srcGlob, ['compile']);
});
/**
* Transpiles source code with relaxed requirements:
* - Emit output even if there are type-checking errors (this is a workaround
* for the twice-emitted errors in the 'compile' step)
* - Do not emit errors for unused parameters
*/
gulp.task('dev.compile', makeCompileFn(true));
/**
* Watches files similar to the 'watch' step, but runs the 'dev.compile' step
* instead.
*/
gulp.task('dev.watch', () => {
gulp.start(['dev.compile']);
return gulp.watch(srcGlob, ['dev.compile']);
});
gulp.task('default', ['compile']);