mirror of
https://github.com/MODSetter/SurfSense.git
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43 lines
1.5 KiB
TypeScript
43 lines
1.5 KiB
TypeScript
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/**
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* Runnable self-check for the playground CSV serializer. No test framework —
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* run with: ``npx tsx lib/playground/csv.selfcheck.ts``
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* Exits non-zero on the first failed assertion.
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*/
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import assert from "node:assert/strict";
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import { rowsToCsv } from "./csv";
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// Union of keys, stable order, header + rows joined with CRLF.
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assert.equal(
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rowsToCsv([
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{ a: 1, b: "x" },
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{ a: 2, c: true },
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]),
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"a,b,c\r\n1,x,\r\n2,,true"
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);
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// Explicit columns fix order and subset.
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assert.equal(rowsToCsv([{ a: 1, b: 2, c: 3 }], ["c", "a"]), "c,a\r\n3,1");
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// RFC 4180 quoting: commas, quotes, and newlines.
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assert.equal(rowsToCsv([{ v: 'he said "hi", bye' }]), 'v\r\n"he said ""hi"", bye"');
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assert.equal(rowsToCsv([{ v: "line1\nline2" }]), 'v\r\n"line1\nline2"');
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// Objects/arrays are JSON-stringified (then quoted for the comma).
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assert.equal(rowsToCsv([{ v: { k: 1 } }]), 'v\r\n"{""k"":1}"');
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// Null/undefined become empty cells.
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assert.equal(rowsToCsv([{ v: null }]), "v\r\n");
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// Formula-injection guard: dangerous leads get a ' prefix, real numbers don't.
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assert.equal(rowsToCsv([{ v: "=1+2" }]), "v\r\n'=1+2");
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assert.equal(rowsToCsv([{ v: "+1-800" }]), "v\r\n'+1-800");
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assert.equal(rowsToCsv([{ v: "@handle" }]), "v\r\n'@handle");
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assert.equal(rowsToCsv([{ v: "-cmd" }]), "v\r\n'-cmd");
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assert.equal(rowsToCsv([{ v: "-5" }]), "v\r\n-5");
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assert.equal(rowsToCsv([{ v: -5 }]), "v\r\n-5");
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// Header only when there are no rows.
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assert.equal(rowsToCsv([], ["a", "b"]), "a,b");
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console.log("csv.selfcheck: all assertions passed");
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