Add a hook command to netlify-dev

src/commands/dev/hook.js

@@ -0,0 +1,65 @@
+const execa = require("execa");
+const Command = require("@netlify/cli-utils");
+const { track } = require("@netlify/cli-utils/src/utils/telemetry");
+const {
+  // NETLIFYDEV,
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+
+class HookCommand extends Command {
+  async run() {
+    const { site, api, config } = this.netlify;
+
+    if (!(config && config.dev && config.dev.hooks)) {
+      this.log(`${NETLIFYDEVERR} No hooks defined in your netlify.toml.`);
+      process.exit(1);
+    }
+
+    if (site.id) {
+      this.log(
+        `${NETLIFYDEVLOG} Checking your site's environment variables...`
+      ); // just to show some visual response first
+      const accessToken = api.accessToken;
+      const { addEnvVariables } = require("../../utils/dev");
+      await addEnvVariables(api, site, accessToken);
+    } else {
+      this.log(
+        `${NETLIFYDEVERR} No Site ID detected. You probably forgot to run \`netlify link\` or \`netlify init\`. `
+      );
+    }
+
+    const hook = this.argv.join(" ");
+    const cmd = config.dev.hooks[hook];
+
+    if (!cmd) {
+      this.log(
+        `${NETLIFYDEVERR} No hook called "${hook}" defined in your netlify.toml.`
+      );
+      process.exit(1);
+    }
+
+    execa(cmd.split(" ")[0], cmd.split(" ").slice(1), {
+      env: process.env,
+      stdio: "inherit"
+    });
+    // Todo hoist this telemetry `command` to CLI hook
+    track("command", {
+      command: "dev:hook"
+    });
+  }
+}
+
+HookCommand.description = `Hook command
+Responds to one of the named hook defined in your netlify.toml file.
+Used with \`netlify dev --live\` to handle updates on webhooks triggered
+by external systems like Contentful, Sanity, etc...
+`;
+
+HookCommand.examples = ["$ netlify dev:hook Contentful"];
+
+HookCommand.strict = false;
+HookCommand.parse = false;
+
+module.exports = HookCommand;