43 lines
820 B
JavaScript
43 lines
820 B
JavaScript
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/**
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* @typedef {import('../types.js').ConstructName} ConstructName
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* @typedef {import('../types.js').Unsafe} Unsafe
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*/
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/**
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* @param {Array<ConstructName>} stack
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* @param {Unsafe} pattern
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* @returns {boolean}
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*/
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export function patternInScope(stack, pattern) {
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return (
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listInScope(stack, pattern.inConstruct, true) &&
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!listInScope(stack, pattern.notInConstruct, false)
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)
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}
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/**
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* @param {Array<ConstructName>} stack
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* @param {Unsafe['inConstruct']} list
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* @param {boolean} none
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* @returns {boolean}
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*/
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function listInScope(stack, list, none) {
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if (typeof list === 'string') {
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list = [list]
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}
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if (!list || list.length === 0) {
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return none
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}
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let index = -1
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while (++index < list.length) {
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if (stack.includes(list[index])) {
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return true
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}
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}
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return false
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}
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