45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
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const fs = require("fs")
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const util = require("util")
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const logger = require("logplease").create("state")
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const state = new Map()
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function replacer(key, value) {
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if(value instanceof Map) {
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return {
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data_type: "Map",
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value: Array.from(value.entries()),
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}
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} else {
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return value
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}
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}
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function reviver(key, value) {
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if(typeof value === "object" && value !== null) {
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if (value.data_type === "Map") {
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return new Map(value.value)
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}
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}
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return value
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}
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module.exports = {
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state,
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async load(data_file){
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if(fs.exists_sync(data_file)){
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logger.info("Loading state from file")
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var content = await util.promisify(fs.read_file)(data_file)
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var obj = JSON.parse(content.toString(), reviver);
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[...obj.keys()].forEach(k => state.set(k, obj.get(k)))
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}else{
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logger.info("Creating new statefile")
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state.set("repositories", new Map().set("offical", "https://repo.pistonee.org/index.yaml"))
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}
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},
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async save(data_file){
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logger.info("Saving state to disk")
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await util.promisify(fs.write_file)(data_file, JSON.stringify(state, replacer))
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}
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}
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