26 lines
580 B
JavaScript
Executable File
26 lines
580 B
JavaScript
Executable File
/**
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* @typedef {import('estree-jsx').Expression} Expression
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*/
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import {ok as assert} from 'devlop'
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/**
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* @param {ReadonlyArray<Expression>} expressions
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* Expressions.
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* @returns {Expression}
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* Addition.
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*/
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export function toBinaryAddition(expressions) {
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let index = -1
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/** @type {Expression | undefined} */
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let left
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while (++index < expressions.length) {
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const right = expressions[index]
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left = left ? {type: 'BinaryExpression', left, operator: '+', right} : right
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}
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assert(left, 'expected non-empty `expressions` to be passed')
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return left
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}
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