"use strict";
/**
 * Copyright 2018 Google LLC. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
Object.defineProperty(exports, "__esModule", { value: true });
const execa = require("execa");
const fs = require("fs");
const nunjucks = require("nunjucks");
const p_queue_1 = require("p-queue");
const path = require("path");
const util_1 = require("util");
const readdir = util_1.promisify(fs.readdir);
const writeFile = util_1.promisify(fs.writeFile);
const srcPath = path.join(__dirname, '../../../src');
const apiPath = path.join(srcPath, 'apis');
const templatePath = path.join(srcPath, 'generator/templates/index.html.njk');
const docsPath = path.join(__dirname, '../../../docs');
const indexPath = path.join(docsPath, 'index.html');
if (!fs.existsSync(docsPath)) {
    fs.mkdirSync(docsPath);
}
/**
 * Iterate over each API directory, and use the `compodoc` tool to generate
 * reference API documentation in the `docs` folder.  This folder is ignored
 * in git, so a publish must be done with `npm run publish-docs`.
 *
 * To use this, run `npm run generate-docs`.
 */
async function main() {
    const children = await readdir(apiPath);
    const dirs = children.filter(x => {
        return !x.endsWith('.ts') && !x.includes('compute');
    });
    const contents = nunjucks.render(templatePath, { apis: dirs });
    await writeFile(indexPath, contents);
    const q = new p_queue_1.default({ concurrency: 50 });
    console.log(`Generating docs for ${dirs.length} APIs...`);
    let i = 0;
    const promises = dirs.map(dir => {
        return q
            .add(() => execa(process.execPath, [
            '--max-old-space-size=8192',
            './node_modules/.bin/compodoc',
            `src/apis/${dir}`,
            '-d',
            `./docs/${dir}`,
        ]))
            .then(() => {
            i++;
            console.log(`[${i}/${dirs.length}] ${dir}`);
        });
    });
    await Promise.all(promises);
}
main().catch(console.error);
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