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[WIP] return indices from safeParse #11

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[WIP] return indices from safeParse #11

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10 changes: 9 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -122,7 +122,8 @@ function safeParse (header) {

const result = {
type: type.toLowerCase(),
parameters: new NullObject()
parameters: new NullObject(),
parametersIndices: new NullObject()
}

// parse parameters
Expand All @@ -131,8 +132,10 @@ function safeParse (header) {
}

let key
let keyIndex
let match
let value
let valueIndex

paramRE.lastIndex = index

Expand All @@ -143,17 +146,22 @@ function safeParse (header) {

index += match[0].length
key = match[1].toLowerCase()
keyIndex = match.index + 2
value = match[2]
valueIndex = match.index + (match[0].length - value.length)

if (value[0] === '"') {
// remove quotes and escapes
value = value
.slice(1, value.length - 1)

++valueIndex

quotedPairRE.test(value) && (value = value.replace(quotedPairRE, '$1'))
}

result.parameters[key] = value
result.parametersIndices[key] = { keyAt: keyIndex, valueAt: valueIndex }
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[comment for reference]

}

if (index !== header.length) {
Expand Down