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47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
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#!/usr/bin/env node
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// Some copypasta that does an exhaustive introspection query on some graphql
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// server and outputs a pretty-printed schema.
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//
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// Install dependencies:
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//
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// $ npm install -g axios graphql
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//
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// Usage, e.g.:
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//
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// $ NODE_PATH=$(npm root --quiet -g) utils/dump-remote-schema.js http://localhost:8088/v1/graphql
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//
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// TODO whatever if there's a more appropriate way to install dependencies such
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// that this script can be called from anywhere, and without littering
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// everything with node_modules directories.
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const { introspectionQuery, buildClientSchema, printSchema } = require('graphql');
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const axios = require('axios');
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if (process.argv.length != 3){
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console.log("Supply the graphql server URL as the only argument on the command line");
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process.exit(1);
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}
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axios({
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url: process.argv[2],
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method: 'post',
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headers: { 'Content-Type': 'application/json' },
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data: {operationName: "IntrospectionQuery", query: introspectionQuery},
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}).then(({data}) => {
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console.log(data);
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if (data.errors) {
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console.log(data.errors);
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console.log("\n ^^^^^^^^^^^^^^^ OOPS GOT SOME ERRORS FROM THE SERVER ^^^^^^^^^^^^^^^\n\n");
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// proceed anyway I guess
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}
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const schema = buildClientSchema(data.data);
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console.log(printSchema(schema));
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}).catch(error => {
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console.log(error);
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console.log("\n ^^^^^^^^^^^^^^^ OOPS GOT SOME ERRORS ^^^^^^^^^^^^^^^\n\n");
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});
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