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// Join raw text tokens with the rest of the text
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//
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// This is set as a separate rule to provide an opportunity for plugins
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// to run text replacements after text join, but before escape join.
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//
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// For example, `\:)` shouldn't be replaced with an emoji.
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//
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export default function text_join(state) {
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let curr, last;
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const blockTokens = state.tokens;
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const l = blockTokens.length;
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for (let j = 0; j < l; j++) {
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if (blockTokens[j].type !== 'inline') continue;
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const tokens = blockTokens[j].children;
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const max = tokens.length;
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for (curr = 0; curr < max; curr++) {
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if (tokens[curr].type === 'text_special') {
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tokens[curr].type = 'text';
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}
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}
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for (curr = last = 0; curr < max; curr++) {
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if (tokens[curr].type === 'text' &&
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curr + 1 < max &&
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tokens[curr + 1].type === 'text') {
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// collapse two adjacent text nodes
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tokens[curr + 1].content = tokens[curr].content + tokens[curr + 1].content;
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} else {
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if (curr !== last) { tokens[last] = tokens[curr]; }
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last++;
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}
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}
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if (curr !== last) {
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tokens.length = last;
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}
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}
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}
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