feat(app/web): add support for config.presets (#801) [skip ci]

2022-01-22 02:37:13 +01:00
parent 9ddfa49ef5
commit 6c14295f32
7 changed files with 146 additions and 0 deletions
--- a/source/app/metrics/presets.mjs
+++ b/source/app/metrics/presets.mjs
@@ -0,0 +1,70 @@
+//Imports
+import fs from "fs/promises"
+import yaml from "js-yaml"
+import fetch from "node-fetch"
+import metadata from "./metadata.mjs"
+
+/**Presets parser */
+export default async function presets(list, {log = true, core = null} = {}) {
+  //Init
+  const {plugins} = await metadata({log:false})
+  const {"config.presets":files} = plugins.core.inputs({q:{"config.presets":list}, account:"bypass"})
+  const logger = log ? console.debug : () => null
+  const allowed = Object.entries(metadata.inputs).filter(([_, {type, preset}]) => (type !== "token")&&(!/^(?:[Ff]alse|[Oo]ff|[Nn]o|0)$/.test(preset))).map(([key]) => key)
+  const env = core ? "action" : "web"
+  const options = {}
+
+  //Load presets
+  for (const file of files) {
+    try {
+      //Load and parse preset
+      logger(`metrics/presets > loading ${file}`)
+      let text = ""
+      if (file.startsWith("@")) {
+        logger(`metrics/presets > ${file} seems to be predefined preset, fetching`)
+        text = await fetch(`https://raw.githubusercontent.com/lowlighter/metrics/presets/${file.substring(1)}/preset.yaml`).then(response => response.text())
+      }
+      else if (file.startsWith("https://")) {
+        logger(`metrics/presets > ${file} seems to be an url, fetching`)
+        text = await fetch(file).then(response => response.text())
+      }
+      else if (env === "action") {
+        logger(`metrics/presets > ${file} seems to be a local file, reading`)
+        text = `${await fs.readFile(file)}`
+      }
+      else {
+        logger(`metrics/presets > ${file} cannot be loaded in current environment ${env}, skipping`)
+        continue
+      }
+      const {schema, with:inputs} = yaml.load(text)
+      logger(`metrics/presets > ${file} preset schema is ${schema}`)
+
+      //Evaluate preset
+      switch (`${schema}`) {
+        case "draft":{
+          for (let [key, value] of Object.entries(inputs)) {
+            if (!allowed.includes(key)) {
+              logger(`metrics/presets > ${key} is specified but is not allowed in preset, skipping`)
+              continue
+            }
+            if (env === "web")
+              key = metadata.to.query(key)
+            if (key in options)
+              logger(`metrics/presets > ${key} was already specified by another preset, overwriting`)
+            options[key] = value
+          }
+          break
+        }
+        default:
+          throw new Error(`unsupported preset schema: ${schema}`)
+      }
+    }
+    //Handle errors
+    catch (error) {
+      if (env === "action")
+        console.log(`::warning::skipping preset ${file}: ${error.message}`)
+      logger(`metrics/presets > an error occured while loading preset ${file} (${error}), ignoring`)
+    }
+  }
+  return options
+}