@polyfill-io-aot/builder/src/executors/FormatSourceDirsExecutor.js

This is the builder module for polyfill-io-aot.

"use strict";
const Bluebird = require("bluebird");
const fs = require("fs-extra");
const path_1 = require("path");
const CopyPath_1 = require("../CopyPath");
const Executor_1 = require("../Executor");
const BuildEvent_1 = require("../interfaces/BuildEvent");
const symbols_1 = require("../symbols");
/** @internal */
class FormatSourceDirsExecutor extends Executor_1.Executor {
    execute() {
        this.emit(BuildEvent_1.BuildEvent.FORMAT_DIRS_BEGIN);
        this._ora.start('Formatting source directory paths');
        const out = [];
        const extraCopies$ = [];
        Bluebird
            .reduce(this.conf.dirs, (acc, dir) => this.createReducer(dir, extraCopies$)(acc, dir), out)
            .then(() => {
            this._ora.succeed('Source directories formatted');
            this.builder[symbols_1.COPY_DIRS] = out;
            this.builder[symbols_1.COPY_FILES] = extraCopies$;
            this.emit(BuildEvent_1.BuildEvent.FORMAT_DIRS_OK);
        }, (e) => {
            this._ora.fail(`Failed formatting source dirs: ${this.formatError(e)}`);
            this.onError(e);
        });
    }
    createReducer(root, extraCopies$) {
        const reducer = async (acc, dir) => {
            try {
                dir = path_1.resolve(dir);
                this.emit(BuildEvent_1.BuildEvent.FORMAT_DIR_BEGIN, dir);
                let hasSubdirs = false;
                const entries = (await fs.readdir(dir))
                    .map((p) => path_1.join(dir, p));
                const stats = {};
                for (const entry of entries) {
                    const stat = await fs.stat(entry);
                    stats[entry] = stat;
                    if (stat.isDirectory()) {
                        hasSubdirs = true;
                        await reducer(acc, entry);
                    }
                }
                if (hasSubdirs) {
                    for (const entry of entries) {
                        if (stats[entry].isFile()) {
                            extraCopies$.push(new CopyPath_1.CopyPath(entry, root));
                        }
                    }
                }
                else {
                    acc.push(new CopyPath_1.CopyPath(dir, root));
                }
                this.emit(BuildEvent_1.BuildEvent.FORMAT_DIR_OK, dir);
                this._ora.text = `Formatted ${dir}`;
                return acc;
            }
            catch (e) {
                this.emit(BuildEvent_1.BuildEvent.FORMAT_DIR_ERR, dir, e);
            }
        };
        return reducer;
    }
}
module.exports = FormatSourceDirsExecutor;
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