95 lines
1.9 KiB
JavaScript
95 lines
1.9 KiB
JavaScript
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'use strict'
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var stringify = require('unist-util-stringify-position')
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module.exports = VMessage
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// Inherit from `Error#`.
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function VMessagePrototype() {}
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VMessagePrototype.prototype = Error.prototype
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VMessage.prototype = new VMessagePrototype()
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// Message properties.
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var proto = VMessage.prototype
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proto.file = ''
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proto.name = ''
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proto.reason = ''
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proto.message = ''
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proto.stack = ''
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proto.fatal = null
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proto.column = null
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proto.line = null
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// Construct a new VMessage.
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//
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// Note: We cannot invoke `Error` on the created context, as that adds readonly
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// `line` and `column` attributes on Safari 9, thus throwing and failing the
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// data.
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function VMessage(reason, position, origin) {
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var parts
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var range
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var location
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if (typeof position === 'string') {
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origin = position
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position = null
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}
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parts = parseOrigin(origin)
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range = stringify(position) || '1:1'
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location = {
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start: {line: null, column: null},
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end: {line: null, column: null}
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}
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// Node.
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if (position && position.position) {
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position = position.position
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}
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if (position) {
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// Position.
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if (position.start) {
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location = position
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position = position.start
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} else {
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// Point.
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location.start = position
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}
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}
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if (reason.stack) {
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this.stack = reason.stack
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reason = reason.message
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}
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this.message = reason
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this.name = range
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this.reason = reason
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this.line = position ? position.line : null
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this.column = position ? position.column : null
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this.location = location
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this.source = parts[0]
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this.ruleId = parts[1]
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}
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function parseOrigin(origin) {
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var result = [null, null]
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var index
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if (typeof origin === 'string') {
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index = origin.indexOf(':')
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if (index === -1) {
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result[1] = origin
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} else {
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result[0] = origin.slice(0, index)
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result[1] = origin.slice(index + 1)
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}
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}
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return result
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}
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