41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
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import { isDefined } from '@typebot.io/lib'
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import { Variable, VariableWithValue } from '@typebot.io/schemas'
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import { safeStringify } from './safeStringify'
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export const parseVariables =
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(
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variables: Variable[],
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options: { fieldToParse?: 'value' | 'id'; escapeForJson?: boolean } = {
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fieldToParse: 'value',
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escapeForJson: false,
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}
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) =>
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(text: string | undefined): string => {
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if (!text || text === '') return ''
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return text.replace(/\{\{(.*?)\}\}/g, (_, fullVariableString) => {
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const matchedVarName = fullVariableString.replace(/{{|}}/g, '')
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const variable = variables.find((variable) => {
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return (
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matchedVarName === variable.name &&
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(options.fieldToParse === 'id' || isDefined(variable.value))
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)
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}) as VariableWithValue | undefined
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if (!variable) return ''
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if (options.fieldToParse === 'id') return variable.id
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const { value } = variable
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if (options.escapeForJson)
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return jsonParse(
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typeof value !== 'string' ? JSON.stringify(value) : value
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)
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const parsedValue = safeStringify(value)
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if (!parsedValue) return ''
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return parsedValue
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})
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}
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const jsonParse = (str: string) =>
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str
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.replace(/\n/g, `\\n`)
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.replace(/"/g, `\\"`)
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.replace(/\\[^n"]/g, `\\\\ `)
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