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refactor: detect nodejs

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Xmader 2020-11-24 05:08:18 -05:00
parent bfdd80a364
commit 2fbfbede86
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GPG key ID: A20B97FB9EB730E4
3 changed files with 13 additions and 6 deletions
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5
package-lock.json generated
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@ -525,6 +525,11 @@
"minimalistic-assert": "^1.0.0"
}
},
"detect-node": {
"version": "2.0.4",
"resolved": "https://registry.npmjs.org/detect-node/-/detect-node-2.0.4.tgz",
"integrity": "sha512-ZIzRpLJrOj7jjP2miAtgqIfmzbxa4ZOr5jJc601zklsfEx9oTzmmj2nVpIPRpNlRTIh8lc1kyViIY7BWSGNmKw=="
},
"dfa": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/dfa/-/dfa-1.2.0.tgz",

1
package.json
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@ -36,6 +36,7 @@
"dist/main.js"
],
"dependencies": {
"detect-node": "^2.0.4",
"pdfkit": "git+https://github.com/Xmader/pdfkit.git",
"svg-to-pdfkit": "^0.1.8",
"webmscore": "^0.10.4"

13
src/mscore.ts
View file

@ -3,6 +3,7 @@
import { fetchMscz } from './mscz'
import { fetchData } from './utils'
import { ScoreInfo } from './scoreinfo'
import isNodeJs from 'detect-node'
const WEBMSCORE_URL = 'https://cdn.jsdelivr.net/npm/webmscore@0.10/webmscore.js'
@ -16,8 +17,8 @@ const SOUND_FONT_LOADED = Symbol('SoundFont loaded')
export type WebMscore = import('webmscore').default
export type WebMscoreConstr = typeof import('webmscore').default
const initMscore = async (w?: Window): Promise<WebMscoreConstr> => {
if (w !== undefined) { // attached to a page
const initMscore = async (w: Window): Promise<WebMscoreConstr> => {
if (!isNodeJs) { // attached to a page
if (!w['WebMscore']) {
// init webmscore (https://github.com/LibreScore/webmscore)
const script = w.document.createElement('script')
@ -32,11 +33,11 @@ const initMscore = async (w?: Window): Promise<WebMscoreConstr> => {
}
let fonts: Promise<Uint8Array[]> | undefined
const initFonts = (nodeJs: boolean) => {
const initFonts = () => {
// load CJK fonts
// CJK (East Asian) characters will be rendered as "tofu" if there is no font
if (!fonts) {
if (nodeJs) {
if (isNodeJs) {
// module.exports.CN = ..., module.exports.KR = ...
const FONTS = Object.values(require('@librescore/fonts'))
@ -65,8 +66,8 @@ export const loadSoundFont = (score: WebMscore): Promise<void> => {
}
export const loadMscore = async (scoreinfo: ScoreInfo, w?: Window): Promise<WebMscore> => {
initFonts(w === undefined)
const WebMscore = await initMscore(w)
initFonts()
const WebMscore = await initMscore(w!)
// parse mscz data
const data = new Uint8Array(