45 lines
1.0 KiB
TypeScript
45 lines
1.0 KiB
TypeScript
import {
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isArray,
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isMap,
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isObject,
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isFunction,
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isPlainObject,
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isSet,
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objectToString
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} from './index'
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/**
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* For converting {{ interpolation }} values to displayed strings.
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* @private
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*/
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export const toDisplayString = (val: unknown): string => {
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return val == null
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? ''
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: isArray(val) ||
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(isObject(val) &&
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(val.toString === objectToString || !isFunction(val.toString)))
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? JSON.stringify(val, replacer, 2)
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: String(val)
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}
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const replacer = (_key: string, val: any): any => {
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// can't use isRef here since @vue/shared has no deps
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if (val && val.__v_isRef) {
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return replacer(_key, val.value)
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} else if (isMap(val)) {
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return {
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[`Map(${val.size})`]: [...val.entries()].reduce((entries, [key, val]) => {
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;(entries as any)[`${key} =>`] = val
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return entries
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}, {})
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}
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} else if (isSet(val)) {
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return {
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[`Set(${val.size})`]: [...val.values()]
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}
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} else if (isObject(val) && !isArray(val) && !isPlainObject(val)) {
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return String(val)
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}
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return val
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}
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