40 lines
852 B
JavaScript
40 lines
852 B
JavaScript
module.exports = function enforce(type, value) {
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switch (type) {
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case 'Array': {
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if (Array.isArray(value)) return
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break
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}
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case 'Boolean': {
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if (typeof value === 'boolean') return
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break
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}
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case 'Buffer': {
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if (Buffer.isBuffer(value)) return
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break
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}
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case 'Number': {
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if (typeof value === 'number') return
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break
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}
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case 'String': {
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if (typeof value === 'string') return
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break
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}
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default: {
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if (getName(value.constructor) === getName(type)) return
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}
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}
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throw new TypeError('Expected ' + (getName(type) || type) + ', got ' + value)
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}
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function getName(fn) {
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// Why not fn.name: https://kangax.github.io/compat-table/es6/#function_name_property
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var match = fn.toString().match(/function (.*?)\(/)
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return match ? match[1] : null
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}
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