mirror of https://github.com/actions/setup-python
42 lines
891 B
JavaScript
42 lines
891 B
JavaScript
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'use strict';
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const alias = ['stdin', 'stdout', 'stderr'];
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const hasAlias = opts => alias.some(x => Boolean(opts[x]));
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module.exports = opts => {
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if (!opts) {
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return null;
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}
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if (opts.stdio && hasAlias(opts)) {
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throw new Error(`It's not possible to provide \`stdio\` in combination with one of ${alias.map(x => `\`${x}\``).join(', ')}`);
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}
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if (typeof opts.stdio === 'string') {
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return opts.stdio;
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}
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const stdio = opts.stdio || [];
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if (!Array.isArray(stdio)) {
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throw new TypeError(`Expected \`stdio\` to be of type \`string\` or \`Array\`, got \`${typeof stdio}\``);
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}
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const result = [];
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const len = Math.max(stdio.length, alias.length);
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for (let i = 0; i < len; i++) {
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let value = null;
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if (stdio[i] !== undefined) {
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value = stdio[i];
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} else if (opts[alias[i]] !== undefined) {
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value = opts[alias[i]];
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}
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result[i] = value;
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}
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return result;
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};
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