generate.js

const fs = require('fs');

const DB_NAME = './db.json';
const ALPHABET =
	'ABCDEFGHIJKLMNOPQRSTUVWXYZ_';
const EN = 'en';
const ZH = 'zh';

/**
 * get file head content
 * @param {String} letter
 * @param {String} lang
 */
function getHead(
	letter,
	lang,
) {
	let head = '';
	if (lang === EN) {
		head = `
# ${letter}

| Word  | Pronunciation | phonetic |
| :-- | :-- | :-- |
`;
	} else if (lang === ZH) {
		head = `
# ${letter}

| 单词  | 发音 | 音标 |
| :-- | :-- | :-- |
`;
	}
	return head;
}

function getReference(
	wordList,
	lang,
) {
	let reference = '';
	if (lang === EN) {
		reference = `
## Reference

`;
	} else if (lang === ZH) {
		reference = `
## 参考资料

`;
	}
	let flag = false;
	for (const item of wordList) {
		if (
			item.reference !== ''
		) {
			reference += `- ${item.reference}\n`;
			flag = true;
		}
	}
	return flag
		? reference
		: '';
}

function getRow(word) {
	let pron = '';
	let phonetic = '';
	let url = '';
	for (const index in word.phonetic) {
		if (index === '0') {
			if (
				word.phonetic
					.length === 1
			) {
				url =
					'/awesome-pronunciation/public/audio/' +
					encodeURIComponent(
						`${(
							word.key ||
							word.word
						).replace(
							'.',
							'dot-',
						)}.mp3`,
					);
			} else {
				url =
					'/awesome-pronunciation/public/audio/' +
					encodeURIComponent(
						`${(
							word.key ||
							word.word
						).replace(
							'.',
							'dot-',
						)}-${index}.mp3`,
					);
			}
			pron = `<audio src="${url}" controls="controls" controlslist="nodownload"></audio>`;
			phonetic = `${word.phonetic[index]}`;
		} else {
			url =
				'/awesome-pronunciation/public/audio/' +
				encodeURIComponent(
					`${(
						word.key ||
						word.word
					).replace(
						'.',
						'dot-',
					)}-${index}.mp3`,
				);
			pron += `<br/><audio src="${url}" controls="controls" controlslist="nodownload"></audio>`;
			phonetic += `<br/>${word.phonetic[index]}`;
		}
	}

	if (word.explanation) {
		pron = word.explanation;
	}

	const content = `| ${word.word} | ${pron} | ${phonetic} |\n`;
	return content;
}

// 保存文件
function saveFile(
	filename,
	content,
) {
	fs.writeFile(
		filename,
		content,
		(err) => {
			if (err) throw err;
			console.log(
				`${filename} saved!`,
			);
		},
	);
}

//
function write() {
	const data = JSON.parse(
		fs.readFileSync(DB_NAME),
	);
	const enDir =
		'./docs/content/';
	writeAll(data, enDir, EN);
}

function writeAll(
	data,
	dir,
	lang,
) {
	for (const i of ALPHABET) {
		const wordList = data[i];
		const path = `${dir}${i}.md`;
		writeLetter(
			i,
			wordList,
			path,
			lang,
		);
	}
}

function writeLetter(
	letter,
	wordList,
	path,
	lang,
) {
	let content = getHead(
		letter,
		lang,
	);
	for (const j of wordList) {
		if (j.hidden) {
			continue;
		}
		content += getRow(j);
	}
	content += getReference(
		wordList,
		lang,
	);
	saveFile(path, content);
}

write();