( attr: SvelteNode, source: string )
| 56 | } |
| 57 | |
| 58 | function getAttributeExpression( |
| 59 | attr: SvelteNode, |
| 60 | source: string |
| 61 | ): string | undefined { |
| 62 | if (attr.value === true || attr.value == null) { |
| 63 | return undefined |
| 64 | } |
| 65 | |
| 66 | if (!Array.isArray(attr.value)) { |
| 67 | if (attr.value.type === 'ExpressionTag') { |
| 68 | return source.slice( |
| 69 | attr.value.expression.start, |
| 70 | attr.value.expression.end |
| 71 | ) |
| 72 | } |
| 73 | return undefined |
| 74 | } |
| 75 | |
| 76 | if (!attr.value.length) { |
| 77 | return '""' |
| 78 | } |
| 79 | |
| 80 | if (attr.value.length === 1) { |
| 81 | const [value] = attr.value |
| 82 | if (value.type === 'ExpressionTag') { |
| 83 | return source.slice(value.expression.start, value.expression.end) |
| 84 | } |
| 85 | return JSON.stringify(getStringAttributeValue(value)) |
| 86 | } |
| 87 | |
| 88 | let staticValue = '' |
| 89 | for (const value of attr.value) { |
| 90 | if (value.type === 'ExpressionTag') { |
| 91 | return undefined |
| 92 | } |
| 93 | staticValue += getStringAttributeValue(value) |
| 94 | } |
| 95 | return JSON.stringify(staticValue) |
| 96 | } |
| 97 | |
| 98 | function extractMessageComponent( |
| 99 | node: SvelteNode, |
no test coverage detected