mirror of
https://github.com/dawidd6/action-ansible-playbook.git
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64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
'use strict';
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/**
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* Stringify a CST document, token, or collection item
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*
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* Fair warning: This applies no validation whatsoever, and
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* simply concatenates the sources in their logical order.
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*/
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const stringify = (cst) => 'type' in cst ? stringifyToken(cst) : stringifyItem(cst);
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function stringifyToken(token) {
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switch (token.type) {
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case 'block-scalar': {
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let res = '';
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for (const tok of token.props)
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res += stringifyToken(tok);
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return res + token.source;
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}
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case 'block-map':
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case 'block-seq': {
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let res = '';
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for (const item of token.items)
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res += stringifyItem(item);
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return res;
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}
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case 'flow-collection': {
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let res = token.start.source;
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for (const item of token.items)
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res += stringifyItem(item);
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for (const st of token.end)
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res += st.source;
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return res;
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}
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case 'document': {
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let res = stringifyItem(token);
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if (token.end)
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for (const st of token.end)
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res += st.source;
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return res;
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}
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default: {
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let res = token.source;
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if ('end' in token && token.end)
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for (const st of token.end)
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res += st.source;
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return res;
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}
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}
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}
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function stringifyItem({ start, key, sep, value }) {
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let res = '';
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for (const st of start)
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res += st.source;
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if (key)
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res += stringifyToken(key);
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if (sep)
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for (const st of sep)
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res += st.source;
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if (value)
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res += stringifyToken(value);
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return res;
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}
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exports.stringify = stringify;
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