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Don't rely on json-markup for non-json strings #587

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merged 6 commits into from
Jun 2, 2020
Merged

Don't rely on json-markup for non-json strings #587

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20fb5ec
don't rely on json-markup for non-json strings
smanolloff May 25, 2020
6c76e93
prettier
smanolloff May 26, 2020
de51eb6
fix quotes around non-json strings; test coverage
smanolloff May 27, 2020
70cb812
lint
smanolloff May 27, 2020
b1671da
prettier
smanolloff May 27, 2020
52e64dd
don't use toString in tests
smanolloff May 29, 2020
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2 changes: 1 addition & 1 deletion .../jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,7 @@ describe('<KeyValuesTable>', () => {
expect(el.length).toBe(data.length);
el.forEach((valueDiv, i) => {
if (data[i].key !== 'jsonkey') {
expect(valueDiv.html()).toMatch(`"${data[i].value}"`);
expect(valueDiv.text()).toBe(data[i].value);
}
});
});
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47 changes: 35 additions & 12 deletions ...ages/jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.tsx
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Expand Up @@ -25,16 +25,43 @@ import './KeyValuesTable.css';

const jsonObjectOrArrayStartRegex = /^(\[|\{)/;

function parseIfComplexJson(value: any) {
function tryParseJson(value: string) {
try {
return JSON.parse(value);
} catch (_) {
return value;
}
}

const stringMarkup = (value: string) => (
<div className="json-markup">
<span className="json-markup-string">{value}</span>
</div>
);

function _jsonMarkup(value: any) {
const markup = { __html: jsonMarkup(value) };

return (
// eslint-disable-next-line react/no-danger
<div dangerouslySetInnerHTML={markup} />
);
}

function formatValue(value: any) {
let content;

// if the value is a string representing actual json object or array, then use json-markup
if (typeof value === 'string' && jsonObjectOrArrayStartRegex.test(value)) {
if (typeof value === 'string') {
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Why does this logic need to change if the goal is to only remove the quotes? Attempting to parse any value as JSON led to bugs previously, where, for example, a string that looks like a number would get converted to number and change representation / precision.

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but it has not changed - see a few lines below.
Basically, the boolean && has been split into two separate conditionals, due to the need to explicitly handle non-json strings.

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ok, thanks. Could you please add unit tests that cover the new conditions? There are only two lines that are not covered: https://codecov.io/gh/jaegertracing/jaeger-ui/compare/3335512110c60ace5b089e1b61d187a6d6ec4000...6c76e930f59843f41817effbf3d57c3f3a999367/diff

// otherwise just return as is
try {
return JSON.parse(value);
// eslint-disable-next-line no-empty
} catch (_) {}
content = jsonObjectOrArrayStartRegex.test(value)
? _jsonMarkup(tryParseJson(value))
: stringMarkup(value);
} else {
content = _jsonMarkup(value);
}
return value;

return <div className="ub-inline-block">{content}</div>;
}

export const LinkValue = (props: { href: string; title?: string; children: React.ReactNode }) => (
Expand Down Expand Up @@ -71,11 +98,7 @@ export default function KeyValuesTable(props: KeyValuesTableProps) {
<table className="u-width-100">
<tbody className="KeyValueTable--body">
{data.map((row, i) => {
const markup = {
__html: jsonMarkup(parseIfComplexJson(row.value)),
};
// eslint-disable-next-line react/no-danger
const jsonTable = <div className="ub-inline-block" dangerouslySetInnerHTML={markup} />;
const jsonTable = formatValue(row.value);
const links = linksGetter ? linksGetter(data, i) : null;
let valueMarkup;
if (links && links.length === 1) {
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