tilde-sass/dist/index.js

A SASS compiler with tilde (~) support for resolving node_modules path and supports new sass' syntax.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const path_1 = __importDefault(require("path"));
// import fiber                from 'fibers';
const gulp_1 = require("gulp");
const gulp_util_1 = __importDefault(require("gulp-util"));
const gulp_if_1 = __importDefault(require("gulp-if"));
const gulp_sass_1 = __importDefault(require("gulp-sass"));
const sass_1 = __importDefault(require("sass"));
const gulp_postcss_1 = __importDefault(require("gulp-postcss"));
const cssnano_1 = __importDefault(require("cssnano"));
const postcss_merge_rules_plus_1 = __importDefault(require("postcss-merge-rules-plus"));
const sassProcessor = (0, gulp_sass_1.default)(sass_1.default);
function compile(options) {
    // if (!options.fiber) options.fiber = fiber;
    if (!options.importer)
        options.importer = (url, prev) => {
            return ((url[0] === '~') ? {
                file: path_1.default.join(process.cwd(), "node_modules", url.replace('~', ''))
            } : null);
        };
    let postcssPlugins = [
        // re-compress using postcss+cssnano if --outputStyle compressed
        (options.outputStyle === 'compressed') ? (0, cssnano_1.default)() : null,
        // merges selectors having the same properties
        options.mergeSelectors ? (0, postcss_merge_rules_plus_1.default)() : null,
    ].filter(p => p !== null);
    let processSass = () => (0, gulp_1.src)(options.file)
        .pipe(sassProcessor(options)
        .on('error', sassProcessor.logError))
        // re-compile using postcss if postcss have any plugins
        .pipe((0, gulp_if_1.default)(postcssPlugins.length > 0, (0, gulp_postcss_1.default)(postcssPlugins)))
        .on('error', gulp_util_1.default.log)
        .pipe((0, gulp_1.dest)(options.outFile));
    // compile the sass now:
    processSass();
    // compile the sass in the future: (if --watch option set)
    if (options.watch)
        (0, gulp_1.watch)(options.file, processSass);
}
exports.default = compile;