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