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FIX string parsing issue of number format #371

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FIX string parsing issue of number format #371

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20 changes: 19 additions & 1 deletion packages/convict/src/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,24 @@ function isWindowsNamedPipe(x) {
return String(x).includes('\\\\.\\pipe\\')
}

/**
* Checks if x is a number
*
* @param {*} x
* @returns {Boolean}
*/
function isNumber(x) {
if (typeof x === 'number') {
return true
} else if (parseFloat(x)) {
return true
} else if (typeof x === 'string' && x === 'NaN') {
return true
}

return false
}

const types = {
'*': function() { },
int: function(x) {
Expand Down Expand Up @@ -406,7 +424,7 @@ function coerce(k, v, schema, instance) {
case 'integer':
case 'int': v = parseInt(v, 10); break
case 'port_or_windows_named_pipe': v = isWindowsNamedPipe(v) ? v : parseInt(v, 10); break
case 'number': v = parseFloat(v); break
case 'number': v = isNumber(v) ? parseFloat(v) : v; break
case 'boolean': v = String(v).toLowerCase() !== 'false'; break
case 'array': v = v.split(','); break
case 'object': v = JSON.parse(v); break
Expand Down